{"id":709,"date":"2026-07-08T04:14:57","date_gmt":"2026-07-08T04:14:57","guid":{"rendered":"https:\/\/rufreevpn.org\/"},"modified":"2026-07-08T04:14:57","modified_gmt":"2026-07-08T04:14:57","slug":"demystifying-l2tp","status":"publish","type":"post","link":"https:\/\/rufreevpn.org\/ur\/post\/demystifying-l2tp\/","title":{"rendered":"L2TP \u06a9\u0648 \u0648\u0627\u0636\u062d \u06a9\u0631\u0646\u0627: \u0644\u06cc\u0626\u0631 2 \u0679\u0646\u0644\u0646\u06af \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u06a9\u06d2 \u067e\u06cc\u0686\u06be\u06d2 \u0641\u0646 \u062a\u0639\u0645\u06cc\u0631"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0648\u0631\u0686\u0648\u0626\u0644 \u067e\u0631\u0627\u0626\u06cc\u0648\u06cc\u0679 \u0646\u06cc\u0679 \u0648\u0631\u06a9\u0646\u06af \u06a9\u06d2 \u0627\u0631\u062a\u0642\u0627\u0626\u06cc \u0633\u0644\u0633\u0644\u06d2 \u0645\u06cc\u06ba\u060c L2TP (\u0644\u06cc\u0626\u0631 2 \u0679\u0646\u0644\u0646\u06af \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644) \u0645\u06cc\u0631\u0627\u062b\u06cc \u0688\u0627\u0626\u0644 \u0627\u067e \u0627\u0646\u0641\u0631\u0627\u0633\u0679\u0631\u06a9\u0686\u0631 \u0627\u0648\u0631 \u062c\u062f\u06cc\u062f \u062e\u0641\u06cc\u06c1 \u0646\u06af\u0627\u0631\u06cc \u06a9\u06cc \u062d\u0641\u0627\u0638\u062a \u06a9\u06d2 \u062f\u0631\u0645\u06cc\u0627\u0646 \u0627\u06cc\u06a9 \u0627\u06c1\u0645 \u067e\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631 \u06a9\u06be\u0691\u0627 \u06c1\u06d2\u06d4 RFC 2661 \u0645\u06cc\u06ba \u0628\u0627\u0636\u0627\u0628\u0637\u06c1 \u0637\u0648\u0631 \u067e\u0631 \u0628\u06cc\u0627\u0646 \u06a9\u06cc\u0627 \u06af\u06cc\u0627\u060c L2TP \u0627\u06cc\u06a9 \u0633\u06cc\u0634\u0646 \u0644\u06cc\u0626\u0631 \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u06c1\u06d2 \u062c\u0648 \u062f\u0648 \u0645\u062a\u0631\u0648\u06a9 \u0641\u0631\u06cc\u0645 \u0648\u0631\u06a9\u0633 \u06a9\u06cc \u0628\u06c1\u062a\u0631\u06cc\u0646 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u06a9\u0648 \u06cc\u06a9\u062c\u0627 \u06a9\u0631\u062a\u0627 \u06c1\u06d2: \u0645\u0627\u0626\u06cc\u06a9\u0631\u0648\u0633\u0627\u0641\u0679 \u06a9\u0627 PPTP (\u067e\u0648\u0627\u0626\u0646\u0679 \u0679\u0648 \u067e\u0648\u0627\u0626\u0646\u0679 \u0679\u0646\u0644\u0646\u06af \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644) \u0627\u0648\u0631 \u0633\u0633\u06a9\u0648 \u06a9\u0627 L2F (\u0644\u06cc\u0626\u0631 2 \u0641\u0627\u0631\u0648\u0631\u0688\u0646\u06af)\u06d4<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"501\" src=\"https:\/\/rufreevpn.org\/wp-content\/uploads\/2026\/07\/0e05cb58-d9c7-40db-98a9-86cc4779af57-1024x501.png\" alt=\"L2TP\" class=\"wp-image-710\" srcset=\"\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">OSI \u0645\u0627\u0688\u0644 \u06a9\u06cc \u0688\u06cc\u0679\u0627 \u0644\u0646\u06a9 \u0644\u06cc\u0626\u0631 (\u0644\u06cc\u0626\u0631 2) \u067e\u0631 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2\u060c L2TP \u06a9\u0627 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0645\u0642\u0635\u062f \u067e\u0648\u0627\u0626\u0646\u0679 \u0679\u0648 \u067e\u0648\u0627\u0626\u0646\u0679 \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 (PPP) \u0641\u0631\u06cc\u0645\u0648\u06ba \u06a9\u0648 \u0627\u0633 \u0637\u0631\u062d \u0644\u067e\u06cc\u0679\u0646\u0627 \u06c1\u06d2 \u06a9\u06c1 \u0648\u06c1 \u067e\u06cc\u06a9\u0679 \u0633\u0648\u0626\u0686\u0688 \u0646\u06cc\u0679 \u0648\u0631\u06a9\u0633 \u062c\u06cc\u0633\u06d2 IP, Frame Relay, \u06cc\u0627 ATM \u067e\u0631 \u0644\u06d2 \u062c\u0627\u06cc\u0627 \u062c\u0627 \u0633\u06a9\u06d2\u06d4<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f \u0634\u0641\u0627\u0641\u06cc\u062a \u06a9\u0627 \u062a\u0636\u0627\u062f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062e\u0627\u0644\u0635 \u0633\u06cc\u06a9\u06cc\u0648\u0631\u0679\u06cc \u0622\u0688\u06cc\u0679\u0646\u06af \u06a9\u06d2 \u0646\u0642\u0637\u06c1 \u0646\u0638\u0631 \u0633\u06d2\u060c L2TP \u062a\u06a9\u0646\u06cc\u06a9\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0634\u0641\u0627\u0641 \u06c1\u06d2\u06d4 \u06cc\u06c1 \u0648\u0631\u0686\u0648\u0626\u0644 \u06c1\u0627\u0626\u06cc \u0648\u06d2 \u0628\u0646\u0627\u062a\u0627 \u06c1\u06d2 \u0644\u06cc\u06a9\u0646 \u0628\u06a9\u062a\u0631 \u0628\u0646\u062f \u06af\u0627\u0691\u06cc \u0641\u0631\u0627\u06c1\u0645 \u0646\u06c1\u06cc\u06ba \u06a9\u0631\u062a\u0627\u061b \u0627\u0633 \u0645\u06cc\u06ba \u0688\u06cc\u0679\u0627 \u06a9\u06cc \u062e\u0641\u06cc\u06c1 \u06a9\u0627\u0631\u06cc \u06cc\u0627 \u0645\u0627\u062e\u0630 \u06a9\u06cc \u062a\u0635\u062f\u06cc\u0642 \u06a9\u06d2 \u06a9\u0648\u0626\u06cc \u0645\u0642\u0627\u0645\u06cc \u0645\u06cc\u06a9\u0627\u0646\u0632\u0645 \u0646\u06c1\u06cc\u06ba \u06c1\u06cc\u06ba\u06d4 \u0679\u0631\u0627\u0646\u0632\u0679 \u0645\u06cc\u06ba \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u0645\u062d\u0641\u0648\u0638 \u0628\u0646\u0627\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u0627\u0633\u06d2 \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0639\u0627\u0644\u0645\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0627\u0646\u0679\u0631\u0646\u06cc\u0679 \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u0633\u06cc\u06a9\u06cc\u0648\u0631\u0679\u06cc \u0641\u0631\u06cc\u0645 \u0648\u0631\u06a9 \u06a9\u06d2 \u0633\u0627\u062a\u06be \u062c\u0648\u0691\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u060c \u062c\u0633 \u0633\u06d2 L2TP\/IPsec \u0633\u0648\u0679 \u062a\u0634\u06a9\u06cc\u0644 \u067e\u0627\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u06cc\u06a9 L2TP \u06a9\u0646\u06a9\u0634\u0646 \u06a9\u06cc \u062a\u0634\u0631\u06cc\u062d: LAC \u0633\u06d2 LNS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u06cc\u06c1 \u0633\u0645\u062c\u06be\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06a9\u06c1 L2TP \u062c\u063a\u0631\u0627\u0641\u06cc\u0627\u0626\u06cc \u062a\u0642\u0633\u06cc\u0645\u0648\u06ba \u06a9\u0648 \u06a9\u06cc\u0633\u06d2 \u067e\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0622\u067e \u06a9\u0648 \u0627\u0633 \u06a9\u06d2 \u062f\u0648 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0622\u0631\u06a9\u06cc\u0679\u06cc\u06a9\u0686\u0631\u0644 \u0627\u062e\u062a\u062a\u0627\u0645\u06cc \u0646\u0642\u0627\u0637 \u06a9\u0648 \u0633\u0645\u062c\u06be\u0646\u0627 \u06c1\u0648\u06af\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LAC (L2TP \u0631\u0633\u0627\u0626\u06cc \u0645\u0631\u062a\u06a9\u0632):<\/strong> \u0633\u0631\u0646\u06af \u06a9\u0627 \u0622\u063a\u0627\u0632 \u06a9\u0646\u0646\u062f\u06c1\u06d4 \u06cc\u06c1 \u0648\u06c1 \u0622\u0644\u06c1 \u06c1\u06d2 (\u062c\u06cc\u0633\u06d2 \u0622\u0626\u06cc \u0627\u06cc\u0633 \u067e\u06cc \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0627\u06cc\u06a9\u0633\u06cc\u0633 \u0633\u0631\u0648\u0631 \u06cc\u0627 \u0645\u0642\u0627\u0645\u06cc \u06a9\u0644\u0627\u0626\u0646\u0679) \u062c\u0648 \u062c\u0633\u0645\u0627\u0646\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0645\u0642\u0627\u0645\u06cc \u06a9\u0646\u06a9\u0634\u0646 \u06a9\u0648 \u062e\u062a\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0679\u0631\u06cc\u0641\u06a9 \u06a9\u0648 L2TP \u0633\u0631\u0646\u06af \u0645\u06cc\u06ba \u0622\u06af\u06d2 \u0628\u06be\u06cc\u062c\u062a\u0627 \u06c1\u06d2\u06d4<\/li>\n\n\n\n<li><strong>LNS (L2TP \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0633\u0631\u0648\u0631)<\/strong> \u0633\u0631\u0646\u06af \u06a9\u0627 \u0648\u0635\u0648\u0644 \u06a9\u0646\u0646\u062f\u06c1 \u0627\u0648\u0631 \u0645\u0646\u0637\u0642\u06cc \u062e\u0627\u062a\u0645\u06c1 \u0646\u0642\u0637\u06c1\u06d4 LNS \u0622\u0646\u06d2 \u0648\u0627\u0644\u06d2 L2TP \u067e\u06cc\u06a9\u0679\u0648\u06ba \u06a9\u0648 \u0688\u06cc \u06a9\u06cc\u067e\u0633\u0648\u0644\u06cc\u0679 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0635\u0644\u06cc PPP \u0641\u0631\u06cc\u0645\u0648\u06ba \u06a9\u0648 \u0646\u06a9\u0627\u0644\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u062f\u0648\u0631 \u062f\u0631\u0627\u0632 \u0635\u0627\u0631\u0641 \u06a9\u0648 \u0645\u0642\u0627\u0645\u06cc \u06a9\u0627\u0631\u067e\u0648\u0631\u06cc\u0679 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0645\u06cc\u06ba \u0636\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/li>\n<\/ul>\n\n\n\n<div class=\"l2tp-flow-container\">\n    <h3 class=\"l2tp-flow-title\">How Data Moves Through L2TP\/IPsec<\/h3>\n    \n    <div class=\"l2tp-visual-diagram\">\n        <div class=\"diagram-node\"><span>\u0635\u0627\u0631\u0641 \u06a9\u0627 \u0622\u0644\u06c1<\/span><\/div>\n        <div class=\"diagram-arrow\"><span class=\"arrow-text\">1. PPP Frame Created<\/span>\u27a1\ufe0f<\/div>\n        <div class=\"diagram-node node-highlight\"><span>L2TP Encapsulation<\/span><\/div>\n        <div class=\"diagram-arrow\"><span class=\"arrow-text\">2. IPsec Armor Attached<\/span>\u27a1\ufe0f<\/div>\n        <div class=\"diagram-node\"><span>UDP \u0633\u0631\u0646\u06af<\/span><\/div>\n        <div class=\"diagram-arrow\">\u27a1\ufe0f<\/div>\n        <div class=\"diagram-node\"><span>\u0648\u06cc \u067e\u06cc \u0627\u06cc\u0646 \u0633\u0631\u0648\u0631 \/ \u0627\u06cc\u0644 \u0627\u06cc\u0646 \u0627\u06cc\u0633<\/span><\/div>\n    <\/div>\n\n    <div class=\"l2tp-steps-grid\">\n        <div class=\"l2tp-step-card\">\n            <div class=\"step-number\">01<\/div>\n            <div class=\"step-content\">\n                <h4>\u0622\u063a\u0627\u0632 &#038; \u0633\u0631\u0646\u06af \u0633\u0627\u0632\u06cc<\/h4>\n                <p>The client device packages traffic into standard PPP frames. The LAC wraps these frames inside an L2TP header.<\/p>\n            <\/div>\n        <\/div>\n        \n        <div class=\"l2tp-step-card card-featured\">\n            <div class=\"step-number\">02<\/div>\n            <div class=\"step-content\">\n                <h4>\u062e\u0641\u06cc\u06c1 \u0646\u06af\u0627\u0631\u06cc \u0644\u0641\u0627\u0641 (IPsec)<\/h4>\n                <p>\u0686\u0648\u0646\u06a9\u06c1 L2TP \u067e\u06cc\u06a9\u0679 \u0628\u06d2 \u0646\u0642\u0627\u0628 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u060c IPsec \u0627\u0633\u06d2 \u0631\u0648\u06a9\u062a\u0627 \u06c1\u06d2\u06d4 Encapsulating Security Payload (ESP) \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2\u060c IPsec \u067e\u0648\u0631\u06d2 L2TP \u067e\u06cc\u06a9\u0679 \u06a9\u0648 \u062e\u0641\u06cc\u06c1 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0688\u06cc\u0679\u0627 \u06a9\u06cc \u0633\u0627\u0644\u0645\u06cc\u062a \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u0633 \u067e\u0631 \u062f\u0633\u062a\u062e\u0637 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n            <\/div>\n        <\/div>\n        \n        <div class=\"l2tp-step-card\">\n            <div class=\"step-number\">03<\/div>\n            <div class=\"step-content\">\n                <h4>\u0679\u0631\u0627\u0646\u0632\u0679<\/h4>\n                <p>\u067e\u06cc\u06a9\u0679 UDP \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0639\u0648\u0627\u0645\u06cc \u0631\u0648\u0679\u0646\u06af \u0627\u0646\u0641\u0631\u0627\u0633\u0679\u0631\u06a9\u0686\u0631 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u067e\u0648\u0631\u0679\u0633 1701\u060c 500\u060c \u06cc\u0627 4500 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u0628\u06be\u06cc\u062c\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n            <\/div>\n        <\/div>\n        \n        <div class=\"l2tp-step-card\">\n            <div class=\"step-number\">04<\/div>\n            <div class=\"step-content\">\n                <h4>LNS \u067e\u0631 \u0688\u06cc\u06a9\u06cc\u067e\u0633\u0648\u0644\u06cc\u0634\u0646<\/h4>\n                <p>LNS \u067e\u06cc\u06a9\u0679 \u062d\u0627\u0635\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c IPsec \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06a9\u06d2 \u0627\u0633\u06d2 \u0688\u06cc \u06a9\u0631\u067e\u0679 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0627\u0633 \u06a9\u06cc \u0627\u0635\u0644\u06cc\u062a \u06a9\u06cc \u062a\u0635\u062f\u06cc\u0642 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c L2TP \u0679\u0631\u0627\u0646\u0633\u067e\u0648\u0631\u0679 \u06c1\u06cc\u0688\u0631 \u06a9\u0648 \u06c1\u0679\u0627\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u0635\u0627\u0641 PPP \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u06c1\u062f\u0641 \u067e\u0631\u0627\u0626\u06cc\u0648\u06cc\u0679 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0645\u06cc\u06ba \u0641\u0631\u0627\u06c1\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<style>\n\/* \u57fa\u7840\u5bb9\u5668 *\/\n.l2tp-flow-container {\n    margin: 30px auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    max-width: 100%;\n}\n\n\/* \u6807\u9898\u6837\u5f0f *\/\n.l2tp-flow-title {\n    font-size: 20px;\n    font-weight: 700;\n    color: #333333;\n    margin-bottom: 24px;\n    padding-left: 12px;\n    border-left: 5px solid #5fa5fa;\n    line-height: 1.2;\n}\n\n\/* \u7535\u8111\u7aef\u6d41\u5411\u56fe\u6837\u5f0f *\/\n.l2tp-visual-diagram {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    background: #f7fafc;\n    border: 1px solid #e2e8f0;\n    border-radius: 8px;\n    padding: 20px;\n    margin-bottom: 25px;\n    box-shadow: inset 0 1px 3px rgba(0,0,0,0.02);\n}\n\n.diagram-node {\n    background: #ffffff;\n    border: 1px solid #cbd5e0;\n    border-radius: 6px;\n    padding: 10px 14px;\n    font-size: 13px;\n    font-weight: 600;\n    color: #4a5568;\n    text-align: center;\n    box-shadow: 0 2px 4px rgba(0,0,0,0.04);\n    flex-shrink: 0;\n}\n\n.diagram-node.node-highlight {\n    border-color: #5fa5fa;\n    background-color: rgba(95, 165, 250, 0.05);\n    color: #2b6cb0;\n}\n\n.diagram-arrow {\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    font-size: 14px;\n    color: #5fa5fa;\n    flex-grow: 1;\n    margin: 0 8px;\n    text-align: center;\n}\n\n.arrow-text {\n    font-size: 10px;\n    color: #718096;\n    margin-bottom: 4px;\n    font-weight: 500;\n}\n\n\/* \u6b65\u9aa4\u7f51\u683c\u5e03\u5c40 *\/\n.l2tp-steps-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 20px;\n}\n\n\/* \u6b65\u9aa4\u5361\u7247\u57fa\u7840\u6837\u5f0f *\/\n.l2tp-step-card {\n    display: flex;\n    background: #ffffff;\n    border: 1px solid #edf2f7;\n    border-radius: 8px;\n    padding: 20px;\n    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.03);\n    transition: transform 0.2s ease, box-shadow 0.2s ease;\n}\n\n.l2tp-step-card:hover {\n    transform: translateY(-2px);\n    box-shadow: 0 5px 12px rgba(95, 165, 250, 0.12);\n}\n\n\/* \u6570\u5b57\u6837\u5f0f *\/\n.step-number {\n    font-size: 24px;\n    font-weight: 800;\n    color: #5fa5fa;\n    opacity: 0.7;\n    margin-right: 16px;\n    line-height: 1;\n}\n\n\/* \u5361\u7247\u5185\u90e8\u6b63\u6587 *\/\n.step-content h4 {\n    margin: 0 0 8px 0 !important;\n    font-size: 16px;\n    font-weight: 600;\n    color: #2d3748;\n}\n\n.step-content p {\n    margin: 0 !important;\n    font-size: 14px;\n    line-height: 1.5;\n    color: #4a5568;\n}\n\n\/* \u6838\u5fc3\u9ad8\u4eae\u6b65\u9aa4\uff08IPsec \u52a0\u5bc6\u5c42\uff09 *\/\n.card-featured {\n    border-color: #5fa5fa;\n    background-color: rgba(95, 165, 250, 0.02);\n    box-shadow: 0 4px 10px rgba(95, 165, 250, 0.08);\n}\n.card-featured .step-number {\n    opacity: 1;\n}\n\n\/* \ud83d\udcf1 \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u4f18\u5316\uff08\u5c0f\u4e8e 768px\uff09 *\/\n@media screen and (max-width: 768px) {\n    \/* \u624b\u673a\u7aef\u9690\u85cf\u590d\u6742\u7684\u5355\u884c\u7f51\u7edc\u6d41\u5411\u56fe\uff0c\u9632\u6b62\u88ab\u6324\u538b\u53d8\u5f62 *\/\n    .l2tp-visual-diagram {\n        display: none;\n    }\n    \n    \/* \u7f51\u683c\u53d8\u5355\u5217\u5e73\u94fa *\/\n    .l2tp-steps-grid {\n        grid-template-columns: 100%;\n        gap: 15px;\n    }\n    \n    .l2tp-step-card {\n        padding: 16px;\n    }\n    \n    .step-number {\n        font-size: 20px;\n        margin-right: 12px;\n    }\n}\n<\/style>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u06a9\u0646\u06cc\u06a9\u06cc \u06af\u06c1\u0631\u0627\u0626\u06cc: \u0628\u0646\u06cc\u0627\u062f\u06cc \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0627\u0648\u0631 \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L2TP \u067e\u06cc\u0686\u06cc\u062f\u06c1 \u06a9\u0627\u0631\u067e\u0648\u0631\u06cc\u0679 \u0645\u0627\u062d\u0648\u0644 \u0645\u06cc\u06ba \u0686\u0646\u062f \u063a\u06cc\u0631 \u0645\u0639\u06cc\u0627\u0631\u06cc \u0635\u0644\u0627\u062d\u06cc\u062a\u0648\u06ba \u06a9\u06cc \u0648\u062c\u06c1 \u0633\u06d2 \u0645\u0646\u0641\u0631\u062f \u0637\u0648\u0631 \u067e\u0631 \u0642\u0627\u0628\u0644 \u0639\u0645\u0644 \u06c1\u06d2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0644\u0679\u06cc \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u0633\u067e\u0648\u0631\u0679:<\/strong> \u062c\u062f\u06cc\u062f \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u06a9\u06d2 \u0628\u0631\u0639\u06a9\u0633 \u062c\u0648 \u0635\u0631\u0641 \u0645\u0642\u0627\u0645\u06cc IP \u0679\u0631\u06cc\u0641\u06a9 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u060c L2TP \u0645\u0639\u06cc\u0627\u0631\u06cc PPP \u0641\u0631\u06cc\u0645\u0648\u06ba \u06a9\u0648 \u0633\u0645\u06cc\u0679\u062a\u0627 \u06c1\u06d2\u06d4 \u06cc\u06c1 \u0627\u0633\u06d2 IP \u06a9\u0648\u0631 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u06a9\u06d2 \u067e\u0627\u0631 \u063a\u06cc\u0631 IP \u0644\u06cc\u06af\u06cc\u0633\u06cc \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0627\u062c\u0627\u0632\u062a \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4<\/li>\n\n\n\n<li><strong>\u0644\u0686\u06a9\u062f\u0627\u0631 \u062a\u0635\u062f\u06cc\u0642:<\/strong> \u06cc\u06c1 \u0645\u0636\u0628\u0648\u0637 AAA (\u062a\u0635\u062f\u06cc\u0642\u060c \u0627\u062e\u062a\u06cc\u0627\u0631\u060c \u0627\u0648\u0631 \u0627\u06a9\u0627\u0624\u0646\u0679\u0646\u06af) \u0622\u0631\u06a9\u06cc\u0679\u06cc\u06a9\u0686\u0631\u0632 \u0645\u06cc\u06ba \u0645\u0642\u0627\u0645\u06cc \u0637\u0648\u0631 \u067e\u0631 \u062c\u0691\u062a\u0627 \u06c1\u06d2\u060c PAP\u060c CHAP\u060c MS-CHAPv2\u060c \u0627\u0648\u0631 EAP \u062c\u06cc\u0633\u06d2 \u062a\u0635\u062f\u06cc\u0642\u06cc \u0641\u0631\u06cc\u0645 \u0648\u0631\u06a9\u0633 \u06a9\u06cc \u062d\u0645\u0627\u06cc\u062a \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/li>\n\n\n\n<li><strong>\u062f\u0648\u06c1\u0631\u06cc \u0686\u06cc\u0646\u0644 \u06a9\u06cc \u0639\u0644\u06cc\u062d\u062f\u06af\u06cc:<\/strong> L2TP \u0633\u062e\u062a\u06cc \u0633\u06d2 \u0627\u067e\u0646\u06d2 \u06a9\u0646\u0679\u0631\u0648\u0644 \u067e\u0644\u06cc\u0646 (\u062c\u0648 \u0633\u0631\u0646\u06af \u06a9\u06cc \u062a\u0634\u06a9\u06cc\u0644\u060c \u06a9\u06cc\u067e-\u0627\u06cc\u0644\u06cc\u0648\u0632\u060c \u0627\u0648\u0631 \u0679\u0627\u0631\u0688\u0627\u0624\u0646 \u06a9\u0648 \u0633\u0646\u0628\u06be\u0627\u0644\u062a\u0627 \u06c1\u06d2) \u06a9\u0648 \u0627\u067e\u0646\u06d2 \u0688\u06cc\u0679\u0627 \u067e\u0644\u06cc\u0646 (\u062c\u0648 \u0627\u0635\u0644 \u067e\u06d2 \u0644\u0648\u0688\u0632 \u0644\u06d2 \u062c\u0627\u062a\u0627 \u06c1\u06d2) \u0633\u06d2 \u0627\u0644\u06af \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u062a\u06be\u0631\u0648 \u067e\u0679 \u06a9\u06d2 \u0627\u0633\u062a\u062d\u06a9\u0627\u0645 \u06a9\u0648 \u0628\u06c1\u062a\u0631 \u0628\u0646\u0627\u062a\u06d2 \u06c1\u0648\u0626\u06d2\u06d4<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Weighing the Pros and Cons of L2TP\/IPsec<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0641\u0648\u0627\u0626\u062f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0648\u0633\u06cc\u0639 \u0645\u0642\u0627\u0645\u06cc \u062d\u0645\u0627\u06cc\u062a:<\/strong> L2TP\/IPsec \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u0648\u0646\u0688\u0648\u0632\u060c \u0645\u06cc\u06a9 \u0627\u0648 \u0627\u06cc\u0633\u060c \u0622\u0626\u06cc \u0627\u0648 \u0627\u06cc\u0633\u060c \u0644\u06cc\u0646\u06a9\u0633 \u0627\u0648\u0631 \u0627\u06cc\u0646\u0688\u0631\u0627\u0626\u06cc\u0688 \u06a9\u06d2 \u06a9\u0631\u0646\u0644\u0632 \u0645\u06cc\u06ba \u0634\u0627\u0645\u0644 \u06c1\u06d2\u06d4 \u0627\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0635\u0627\u0631\u0641\u06cc\u0646 \u06a9\u0648 \u0628\u06cc\u0631\u0648\u0646\u06cc \u062a\u06cc\u0633\u0631\u06d2 \u0641\u0631\u06cc\u0642 \u06a9\u06d2 \u0633\u0627\u0641\u0679 \u0648\u06cc\u0626\u0631 \u06a9\u0644\u0627\u0626\u0646\u0679 \u0627\u06cc\u067e\u0644\u06cc \u06a9\u06cc\u0634\u0646\u0632 \u0688\u0627\u0624\u0646 \u0644\u0648\u0688 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0628\u06c1\u062a \u06a9\u0645 \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u06d4<\/li>\n\n\n\n<li><strong>\u0645\u0633\u062a\u062d\u06a9\u0645 \u0633\u06cc\u0634\u0646 \u067e\u0631\u0633\u0633\u0679\u06cc\u0646\u0633:<\/strong> \u06cc\u06c1 \u067e\u06cc\u0686\u06cc\u062f\u06c1\u060c \u0645\u0644\u0679\u06cc \u06c1\u0627\u067e \u0627\u0646\u0679\u0631\u067e\u0631\u0627\u0626\u0632 WAN \u0631\u0648\u0679\u0646\u06af \u067e\u0627\u062a\u06be \u0648\u06cc\u0632 \u067e\u0631 \u0645\u0646\u0637\u0642\u06cc \u067e\u0648\u0627\u0626\u0646\u0679 \u0679\u0648 \u067e\u0648\u0627\u0626\u0646\u0679 \u06a9\u0646\u06a9\u0634\u0646\u0632 \u06a9\u0648 \u0628\u0631\u0642\u0631\u0627\u0631 \u0631\u06a9\u06be\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f \u06c1\u06d2\u06d4<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0642\u0635\u0627\u0646\u0627\u062a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062f\u0648\u06c1\u0631\u06cc \u0627\u0646\u06a9\u06cc\u067e\u0633\u0648\u0644\u06cc\u0634\u0646 \u06a9\u06cc \u0633\u0632\u0627:<\/strong> \u06a9\u06cc\u0648\u0646\u06a9\u06c1 \u0688\u06cc\u0679\u0627 \u067e\u06cc\u06a9\u0679\u0633 \u06a9\u0648 PPP \u06c1\u06cc\u0688\u0631\u0632 \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0641\u0627\u0631\u0645\u06cc\u0679 \u06a9\u06cc\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u060c \u067e\u06be\u0631 L2TP \u06c1\u06cc\u0688\u0631\u0632 \u0645\u06cc\u06ba \u0644\u067e\u06cc\u0679\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u0622\u062e\u0631 \u0645\u06cc\u06ba IPsec \u06c1\u06cc\u0688\u0631\u0632 \u0645\u06cc\u06ba \u062f\u0648\u0628\u0627\u0631\u06c1 \u0644\u067e\u06cc\u0679\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0633 \u0644\u06cc\u06d2 \u0688\u06cc\u0679\u0627 \u06a9\u0627 \u0627\u0636\u0627\u0641\u06cc \u0628\u0648\u062c\u06be \u0628\u06c1\u062a \u0632\u06cc\u0627\u062f\u06c1 \u06c1\u06d2\u06d4 \u06cc\u06c1 \u062f\u0648\u06c1\u0631\u06cc \u0627\u0646\u06a9\u06cc\u067e\u0633\u0648\u0644\u06cc\u0634\u0646 CPU \u06a9\u06cc \u067e\u0631\u0648\u0633\u06cc\u0633\u0646\u06af \u0637\u0627\u0642\u062a \u06a9\u0648 \u062e\u062a\u0645 \u06a9\u0631\u062a\u06cc \u06c1\u06d2 \u0627\u0648\u0631 \u062a\u06be\u0631\u0648\u067e\u0679 \u06a9\u06cc \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc \u06a9\u0648 \u06a9\u0645 \u06a9\u0631\u062a\u06cc \u06c1\u06d2\u06d4<\/li>\n\n\n\n<li><strong>MTU \u0645\u0633\u0627\u0626\u0644 &amp; \u0641\u0631\u06cc\u06af\u0645\u0646\u0679\u06cc\u0634\u0646:<\/strong> \u0628\u06be\u0627\u0631\u06cc \u06c1\u06cc\u0688\u0631 \u0627\u0633\u0679\u06cc\u06a9 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0627\u0646\u062c\u06cc\u0646\u0626\u0631\u0632 \u06a9\u0648 \u0645\u0635\u0646\u0648\u0639\u06cc \u0637\u0648\u0631 \u067e\u0631 \u06a9\u0645 \u06a9\u0631\u0646\u06d2 \u067e\u0631 \u0645\u062c\u0628\u0648\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 <strong>\u0632\u06cc\u0627\u062f\u06c1 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631\u0633\u06cc\u0644 \u06cc\u0648\u0646\u0679 (MTU)<\/strong> \u0633\u0627\u0626\u0632 (\u0627\u06a9\u062b\u0631 1400 \u06cc\u0627 1280 \u0628\u0627\u0626\u0679\u0633 \u062a\u06a9 \u06a9\u0645 \u06c1\u0648\u062a\u0627 \u06c1\u06d2)\u06d4 \u0627\u06af\u0631 \u0628\u06c1\u062a\u0631 \u0646\u06c1 \u06a9\u06cc\u0627 \u06af\u06cc\u0627 \u06c1\u0648\u060c \u062a\u0648 \u06cc\u06c1 \u067e\u06cc\u06a9\u0679 \u0641\u0631\u06cc\u06af\u0645\u0646\u0679\u06cc\u0634\u0646 \u06a9\u0627 \u0628\u0627\u0639\u062b \u0628\u0646\u062a\u0627 \u06c1\u06d2\u060c \u062c\u0633 \u06a9\u06d2 \u0646\u062a\u06cc\u062c\u06d2 \u0645\u06cc\u06ba \u062a\u0627\u062e\u06cc\u0631 \u0628\u0691\u06be \u062c\u0627\u062a\u06cc \u06c1\u06d2 \u0627\u0648\u0631 \u06a9\u0646\u06a9\u0634\u0646 \u0645\u0646\u0642\u0637\u0639 \u06c1\u0648 \u062c\u0627\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/li>\n\n\n\n<li><strong>\u0641\u0627\u0626\u0631 \u0648\u0627\u0644 \u06a9\u06cc \u0646\u0632\u0627\u06a9\u062a:<\/strong> L2TP \u0633\u062e\u062a\u06cc \u0633\u06d2 \u0648\u0627\u0636\u062d \u067e\u0648\u0631\u0679 \u067e\u0631\u0648\u0641\u0627\u0626\u0644\u0632 \u067e\u0631 \u0627\u0646\u062d\u0635\u0627\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2: UDP 1701 (L2TP \u0679\u0631\u06cc\u0641\u06a9)\u060c UDP 500 (IKE \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0628\u0627\u062f\u0644\u06c1)\u060c \u0627\u0648\u0631 UDP 4500 (NAT \u0679\u0631\u0627\u0648\u0631\u0633\u0644)\u06d4 \u0686\u0648\u0646\u06a9\u06c1 \u06cc\u06c1 \u067e\u0648\u0631\u0679\u0633 \u0645\u0642\u0631\u0631 \u0627\u0648\u0631 \u0645\u062e\u0635\u0648\u0635 \u06c1\u06cc\u06ba\u060c \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0641\u0627\u0626\u0631 \u0648\u0627\u0644\u0632 \u0627\u0648\u0631 ISPs \u0622\u0633\u0627\u0646\u06cc \u0633\u06d2 \u0627\u0646\u06c1\u06cc\u06ba \u0628\u0644\u0627\u06a9 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/li>\n<\/ul>\n\n\n\n<div class=\"protocol-compare-container\">\n    <h3 class=\"protocol-title\">\u062c\u062f\u06cc\u062f \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u0645\u0648\u0627\u0632\u0646\u06c1<\/h3>\n    \n    <div class=\"protocol-table-wrapper\">\n        <table class=\"protocol-compare-table\">\n            <thead>\n                <tr>\n                    <th class=\"sticky-col\">\u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u0641\u06cc\u0686\u0631<\/th>\n                    <th class=\"highlight-l2tp\">L2TP\/IPsec<\/th>\n                    <th>\u0627\u0648\u067e\u0646 \u0648\u06cc \u067e\u06cc \u0627\u06cc\u0646<\/th>\n                    <th class=\"highlight-wg\">\u0648\u0627\u0626\u0631 \u06af\u0627\u0631\u0688<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td class=\"sticky-col font-medium\">\u062e\u0641\u06cc\u06c1 \u06a9\u0627\u0631\u06cc \u06a9\u06cc \u067e\u0631\u062a<\/td>\n                    <td>\u0645\u0646\u062d\u0635\u0631 (IPsec)<\/td>\n                    <td>\u0645\u0642\u0627\u0645\u06cc (OpenSSL)<\/td>\n                    <td class=\"tech-badge\">\u0645\u0642\u0627\u0645\u06cc (ChaCha20\/Poly1305)<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"sticky-col font-medium\">\u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc \u06a9\u06cc \u0631\u0641\u062a\u0627\u0631<\/td>\n                    <td class=\"speed-slow\">\u0645\u0639\u062a\u062f\u0644\/\u0633\u0633\u062a<\/td>\n                    <td>\u0645\u0639\u062a\u062f\u0644<\/td>\n                    <td class=\"speed-fast\">\u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u062a\u06cc\u0632<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"sticky-col font-medium\">\u06a9\u0648\u0688 \u0628\u06cc\u0633 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc<\/td>\n                    <td>\u0628\u0691\u0627 \/ \u0648\u0631\u062b\u06c1 \u0627\u0633\u0679\u06cc\u06a9<\/td>\n                    <td>\u067e\u06cc\u0686\u06cc\u062f\u06c1 \/ \u0628\u0691\u0627<\/td>\n                    <td>\u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u06c1\u0644\u06a9\u0627 \u0648\u0632\u0646 (~4,000 \u0644\u0627\u0626\u0646\u06cc\u06ba)<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"sticky-col font-medium\">\u0641\u0627\u0626\u0631 \u0648\u0627\u0644 \u0628\u0627\u0626\u06cc \u067e\u0627\u0633\u0646\u06af<\/td>\n                    <td class=\"bypass-poor\">\u0646\u0627\u0642\u0635 (\u0645\u0642\u0631\u0631\u06c1 UDP \u067e\u0648\u0631\u0679\u0633)<\/td>\n                    <td class=\"bypass-good\">\u0628\u06c1\u062a\u0631\u06cc\u0646 (\u0646\u0642\u0644 \u06a9\u0631 \u0633\u06a9\u062a\u0627 \u06c1\u06d2 HTTPS TCP 443)<\/td>\n                    <td>\u0627\u0639\u062a\u062f\u0627\u0644 (UDP \u0642\u0627\u0628\u0644 \u062a\u0631\u062a\u06cc\u0628)<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"sticky-col font-medium\">\u0645\u0642\u0627\u0645\u06cc OS \u0633\u067e\u0648\u0631\u0679<\/td>\n                    <td class=\"support-good\">\u0628\u06c1\u062a\u0631\u06cc\u0646 (\u0628\u0644\u0679 \u0627\u0646)<\/td>\n                    <td>\u0646\u0627\u06cc\u0627\u0628 (\u06a9\u0644\u0627\u0626\u0646\u0679 \u0627\u06cc\u067e \u062f\u0631\u06a9\u0627\u0631 \u06c1\u06d2)<\/td>\n                    <td>\u062a\u0631\u0642\u06cc \u067e\u0630\u06cc\u0631 (\u0645\u0642\u0627\u0645\u06cc \u0644\u06cc\u0646\u06a9\u0633\/\u0627\u06cc\u067e \u067e\u0631 \u0645\u0628\u0646\u06cc)<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n<\/div>\n\n<style>\n\/* \u5bb9\u5668\u8bbe\u8ba1 *\/\n.protocol-compare-container {\n    margin: 30px auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    max-width: 100%;\n}\n\n\/* \u6807\u9898\u6837\u5f0f\uff0c\u878d\u5165 #5fa5fa *\/\n.protocol-title {\n    font-size: 20px;\n    font-weight: 700;\n    color: #333333;\n    margin-bottom: 18px;\n    padding-left: 12px;\n    border-left: 5px solid #5fa5fa;\n    line-height: 1.2;\n}\n\n\/* \u5305\u88f9\u5c42\uff1a\u5b9e\u73b0\u624b\u673a\u7aef\u6a2a\u5411\u6eda\u52a8\u7684\u6838\u5fc3 *\/\n.protocol-table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);\n    border-radius: 8px;\n    border: 1px solid #edf2f7;\n}\n\n\/* \u9690\u85cf\u6a2a\u5411\u6eda\u52a8\u6761\uff0c\u4fdd\u6301\u89c6\u89c9\u6574\u6d01\uff08\u53ef\u9009\uff09 *\/\n.protocol-table-wrapper::-webkit-scrollbar {\n    height: 6px;\n}\n.protocol-table-wrapper::-webkit-scrollbar-thumb {\n    background: #cbd5e0;\n    border-radius: 3px;\n}\n\n\/* \u8868\u683c\u57fa\u7840\u5b9a\u4e49 *\/\n.protocol-compare-table {\n    width: 100%;\n    border-collapse: separate;\n    border-spacing: 0;\n    background: #ffffff;\n    text-align: left;\n}\n\n\/* \u8868\u5934\u4e0e\u57fa\u7840\u5355\u5143\u683c *\/\n.protocol-compare-table th,\n.protocol-compare-table td {\n    padding: 14px 16px;\n    font-size: 14px;\n    line-height: 1.5;\n    border-bottom: 1px solid #edf2f7;\n    white-space: nowrap; \/* \u9632\u6b62\u4e0d\u5f53\u6298\u884c *\/\n}\n\n.protocol-compare-table th {\n    background: #f7fafc;\n    color: #4a5568;\n    font-weight: 700;\n}\n\n\/* \u9996\u5217\u56fa\u5b9a\uff08\u7535\u8111\u7aef\u4e0e\u624b\u673a\u7aef\u901a\u7528\u7684\u4f53\u9a8c\u5927\u62db\uff09 *\/\n.sticky-col {\n    position: -webkit-sticky;\n    position: sticky;\n    left: 0;\n    background: #f7fafc !important;\n    font-weight: 600;\n    color: #2d3748;\n    z-index: 2;\n    border-right: 2px solid #edf2f7;\n    min-width: 140px;\n}\n\n\/* \u5217\u9ad8\u4eae\u5904\u7406 *\/\n.highlight-l2tp {\n    background-color: rgba(95, 165, 250, 0.1) !important;\n    color: #2b6cb0 !important;\n}\n\n.highlight-wg {\n    background-color: #f0fdf4 !important;\n    color: #166534 !important;\n}\n\n\/* \u884c\u4ea4\u4e92\u53d8\u8272 *\/\n.protocol-compare-table tbody tr:hover td {\n    background-color: #f8fafc;\n}\n\n\/* \u7ec6\u8282\u53c2\u6570\u8c03\u8272\u677f *\/\n.tech-badge {\n    font-family: monospace;\n    font-weight: 600;\n}\n\n.speed-slow {\n    color: #e53e3e;\n    font-weight: 600;\n}\n\n.speed-fast {\n    color: #38a169;\n    font-weight: 700;\n    background-color: rgba(56, 161, 105, 0.05);\n}\n\n.bypass-poor {\n    color: #e53e3e;\n}\n\n.bypass-good, .support-good {\n    color: #38a169;\n    font-weight: 600;\n}\n\n\/* \ud83d\udcf1 \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u4f18\u5316\uff08\u9488\u5bf9\u5c0f\u4e8e 768px\uff09 *\/\n@media screen and (max-width: 768px) {\n    .protocol-compare-table th,\n    .protocol-compare-table td {\n        padding: 12px;\n        font-size: 13px;\n        \/* \u5728\u79fb\u52a8\u7aef\u5141\u8bb8\u7279\u5b9a\u957f\u6587\u672c\u9002\u5f53\u6362\u884c\u9632\u6b62\u5217\u88ab\u6491\u5f97\u592a\u5bbd *\/\n        white-space: normal; \n        min-width: 150px;\n    }\n    \n    .sticky-col {\n        min-width: 110px;\n        box-shadow: 4px 0 8px rgba(0,0,0,0.04); \/* \u6ed1\u52a8\u65f6\u9996\u5217\u8fb9\u7f18\u5e26\u5fae\u9634\u5f71\uff0c\u4f53\u9a8c\u6781\u4f73 *\/\n    }\n}\n<\/style>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u06a9\u0646\u06cc\u06a9\u06cc FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633: \u0633\u06cc\u06a9\u06cc\u0648\u0631\u0679\u06cc \u067e\u06cc\u0634\u06c1 \u0648\u0631 L2TP \u06a9\u0648 &#8220;\u0645\u062a\u0631\u0648\u06a9&#8221; \u06a9\u06cc\u0648\u06ba \u06a9\u06c1\u062a\u06d2 \u06c1\u06cc\u06ba \u0627\u06af\u0631 \u06cc\u06c1 \u0645\u0636\u0628\u0648\u0637 IPsec \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062c\u0628\u06a9\u06c1 IPsec \u06a9\u0627 \u062c\u0632\u0648 \u062e\u0648\u062f \u0645\u0636\u0628\u0648\u0637 \u0633\u0627\u0626\u0641\u0631\u0632 \u062c\u06cc\u0633\u06d2 AES-256 \u06a9\u06d2 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u0645\u06cc\u06ba \u0645\u062d\u0641\u0648\u0638 \u0631\u06c1\u062a\u0627 \u06c1\u06d2\u060c L2TP \u06a9\u0627 \u0645\u062c\u0645\u0648\u0639\u06cc \u0688\u06cc\u0632\u0627\u0626\u0646 \u067e\u0631\u0627\u0646\u0627 \u06c1\u06d2\u06d4 \u0627\u0633 \u06a9\u0627 \u0628\u06be\u0627\u0631\u06cc \u06a9\u0648\u0688 \u0628\u06cc\u0633 \u062d\u0645\u0644\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u06cc\u06a9 \u0648\u0633\u06cc\u0639 \u062a\u0631 \u0646\u0638\u0631\u06cc\u0627\u062a\u06cc \u0633\u0637\u062d \u067e\u06cc\u0634 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u0627\u0633 \u06a9\u0627 \u0633\u0627\u062e\u062a\u06cc \u062f\u0648\u06c1\u0631\u06cc \u0644\u0641\u0627\u0641\u06c1 \u0627\u0633\u06d2 \u062c\u062f\u06cc\u062f \u062a\u06cc\u0632 \u0631\u0641\u062a\u0627\u0631 \u0627\u0646\u0641\u0631\u0627\u0633\u0679\u0631\u06a9\u0686\u0631 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0648\u0627\u0626\u0631 \u06af\u0627\u0631\u0688 \u062c\u06cc\u0633\u06d2 \u067e\u062a\u0644\u06d2 \u062d\u0644 \u06a9\u06d2 \u0645\u0642\u0627\u0628\u0644\u06d2 \u0645\u06cc\u06ba \u06a9\u0645 \u0645\u0648\u0632\u0648\u06ba \u0628\u0646\u0627\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644: L2TP\/IPsec \u06a9\u06d2 \u0633\u0627\u062a\u06be NAT \u0679\u0631\u0627\u0648\u0631\u0633\u0644 (NAT-T) \u06a9\u06cc\u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0686\u0648\u0646\u06a9\u06c1 IPsec AH \u0627\u0648\u0631 ESP \u067e\u06cc\u06a9\u0679 \u0627\u0633 \u0648\u0642\u062a \u0679\u0648\u0679 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba \u062c\u0628 \u0648\u06c1 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0627\u06cc\u0688\u0631\u06cc\u0633 \u0679\u0631\u0627\u0646\u0633\u0644\u06cc\u0634\u0646 (NAT) \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0631\u0648\u0679\u0631 \u0633\u06d2 \u06af\u0632\u0631\u062a\u06d2 \u06c1\u06cc\u06ba (NAT IP \u06c1\u06cc\u0688\u0631\u0632 \u06a9\u0648 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u062c\u0633 \u0633\u06d2 IPsec \u06a9\u06cc \u0627\u0646\u0679\u06cc\u06af\u0631\u06cc\u0679\u06cc \u0686\u06cc\u06a9 \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648 \u062c\u0627\u062a\u06cc \u06c1\u06d2)\u060c NAT-T \u0627\u0646\u06a9\u0631\u067e\u0679\u0688 IPsec \u067e\u06cc\u06a9\u0679\u0648\u06ba \u06a9\u0648 \u0645\u0639\u06cc\u0627\u0631\u06cc UDP \u067e\u06cc\u06a9\u0679\u0648\u06ba \u0645\u06cc\u06ba \u067e\u0648\u0631\u0679 4500 \u067e\u0631 \u0644\u067e\u06cc\u0679 \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4 \u0627\u0633 \u0637\u0631\u062d \u06af\u06be\u0631\u06cc\u0644\u0648 \u0631\u0648\u0679\u0631 VPN \u0679\u0631\u06cc\u0641\u06a9 \u06a9\u0648 \u0645\u062d\u0641\u0648\u0638 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u06af\u0632\u0631\u0646\u06d2 \u062f\u06cc\u062a\u0627 \u06c1\u06d2 \u0628\u063a\u06cc\u0631 \u06a9\u0631\u06cc\u067e\u0679\u0648\u06af\u0631\u0627\u0641\u06a9 \u062f\u0633\u062a\u062e\u0637\u0648\u06ba \u06a9\u0648 \u062e\u0631\u0627\u0628 \u06a9\u06cc\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644: \u06a9\u06cc\u0627 L2TP IPsec \u06a9\u06d2 \u0628\u063a\u06cc\u0631 \u0645\u062d\u0641\u0648\u0638 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0686\u0644 \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u06a9\u0646\u06cc\u06a9\u06cc \u0637\u0648\u0631 \u067e\u0631 \u06c1\u0627\u06ba\u060c \u0644\u06cc\u06a9\u0646 \u0627\u0633\u06d2 \u0639\u0648\u0627\u0645\u06cc \u0646\u06cc\u0679 \u0648\u0631\u06a9\u0633 \u067e\u0631 \u06a9\u0628\u06be\u06cc \u0628\u06be\u06cc \u0627\u0633 \u0637\u0631\u062d \u062a\u0631\u062a\u06cc\u0628 \u0646\u06c1\u06cc\u06ba \u062f\u06cc\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2\u06d4 IPsec \u06a9\u06d2 \u0628\u063a\u06cc\u0631\u060c L2TP \u0679\u0646\u0644 \u0645\u06a9\u0645\u0644 \u0637\u0648\u0631 \u067e\u0631 \u0633\u0627\u062f\u06c1 \u0645\u062a\u0646 \u0645\u06cc\u06ba \u06a9\u0627\u0645 \u06a9\u0631\u062a\u06cc \u06c1\u06d2\u06d4 \u0628\u0646\u06cc\u0627\u062f\u06cc \u067e\u06cc\u06a9\u0679 \u0633\u0646\u0641\u0646\u06af \u0679\u0648\u0644 (\u062c\u06cc\u0633\u06d2 Wireshark) \u0648\u0627\u0644\u0627 \u06a9\u0648\u0626\u06cc \u0628\u06be\u06cc \u0622\u067e \u06a9\u06d2 \u062e\u0627\u0645 \u06a9\u0645\u067e\u0646\u06cc \u06a9\u06d2 \u0688\u06cc\u0679\u0627\u060c \u06a9\u0627\u0631\u067e\u0648\u0631\u06cc\u0679 \u0627\u0633\u0646\u0627\u062f \u0627\u0648\u0631 \u0633\u06cc\u0634\u0646 \u06a9\u06cc \u062a\u0641\u0635\u06cc\u0644\u0627\u062a \u0622\u0633\u0627\u0646\u06cc \u0633\u06d2 \u067e\u0691\u06be \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633: \u0627\u06cc\u06a9 \u06c1\u06cc \u06af\u06be\u0631\u06cc\u0644\u0648 \u0631\u0648\u0679\u0631 \u06a9\u06d2 \u067e\u06cc\u0686\u06be\u06d2 \u0645\u062a\u0639\u062f\u062f \u0688\u06cc\u0648\u0627\u0626\u0633\u0632 \u0628\u06cc\u06a9 \u0648\u0642\u062a L2TP\/IPsec VPN \u0633\u06d2 \u06a9\u06cc\u0648\u06ba \u0645\u0646\u0633\u0644\u06a9 \u06c1\u0648\u0646\u06d2 \u0645\u06cc\u06ba \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648 \u062c\u0627\u062a\u06cc \u06c1\u06cc\u06ba\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u06cc\u06c1 L2TP\/IPsec \u06a9\u06cc \u0627\u06cc\u06a9 \u06a9\u0644\u0627\u0633\u06a9 \u062d\u062f\u0648\u062f \u06c1\u06d2 \u062c\u0633\u06d2 NAT-T \u0633\u0646\u06af\u0644 \u06a9\u0644\u0627\u0626\u0646\u0679 \u0645\u06cc\u067e\u0646\u06af \u0645\u0633\u0626\u0644\u06c1 \u06a9\u06c1\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4 \u0686\u0648\u0646\u06a9\u06c1 L2TP \u0645\u0642\u0631\u0631\u06c1 \u067e\u0648\u0631\u0679\u0633 (NAT-T \u06a9\u06d2 \u0644\u06cc\u06d2 UDP 4500 \u0627\u0648\u0631 UDP 500) \u067e\u0631 \u0627\u0646\u062d\u0635\u0627\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0633 \u0644\u06cc\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0628\u0646\u06cc\u0627\u062f\u06cc \u06a9\u0646\u0632\u06cc\u0648\u0645\u0631 \u0631\u0648\u0679\u0631\u0632 \u0627\u06cc\u06a9 \u06c1\u06cc \u0648\u0642\u062a \u0645\u06cc\u06ba \u0645\u062a\u0639\u062f\u062f \u0627\u0646\u062f\u0631\u0648\u0646\u06cc \u067e\u0631\u0627\u0626\u06cc\u0648\u06cc\u0679 IP \u067e\u062a\u0648\u06ba \u067e\u0631 \u0627\u06cc\u06a9 \u062c\u06cc\u0633\u06d2 \u0622\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0627\u0646\u06a9\u0631\u067e\u0679\u0688 SPI (\u0633\u06cc\u06a9\u06cc\u0648\u0631\u0679\u06cc \u067e\u06cc\u0631\u0627\u0645\u06cc\u0679\u0631 \u0627\u0646\u0688\u06cc\u06a9\u0633) \u0679\u0631\u06cc\u06a9\u0646\u06af \u0633\u0679\u0631\u06cc\u0645\u0632 \u06a9\u0648 \u0645\u06cc\u067e \u0646\u06c1\u06cc\u06ba \u06a9\u0631 \u0633\u06a9\u062a\u06d2\u06d4 \u062c\u0628\u06a9\u06c1 \u062c\u062f\u06cc\u062f \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u062c\u06cc\u0633\u06d2 OpenVPN \u0627\u0648\u0631 WireGuard \u06a9\u0626\u06cc \u0633\u0648 \u0628\u06cc\u06a9 \u0648\u0642\u062a \u0633\u06cc\u0634\u0646\u0632 \u06a9\u0648 \u0627\u06cc\u06a9 \u06c1\u06cc \u0644\u0648\u06a9\u0644 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0633\u06d2 \u0633\u067e\u0648\u0631\u0679 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0633\u0648\u0631\u0633 \u067e\u0648\u0631\u0679\u0633 \u06a9\u0648 \u0645\u062a\u062d\u0631\u06a9 \u0637\u0648\u0631 \u067e\u0631 \u0631\u06cc\u0646\u0688\u0645\u0627\u0626\u0632 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u060c L2TP\/IPsec \u0627\u06a9\u062b\u0631 \u0627\u0633\u06cc NAT \u0641\u0627\u0626\u0631 \u0648\u0627\u0644 \u06a9\u06d2 \u067e\u06cc\u0686\u06be\u06d2 \u0633\u06d2 \u062c\u0691\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u062f\u0648\u0633\u0631\u06d2 \u0688\u06cc\u0648\u0627\u0626\u0633 \u06a9\u0648 \u0645\u062d\u062f\u0648\u062f \u06cc\u0627 \u0645\u06a9\u0645\u0644 \u0637\u0648\u0631 \u067e\u0631 \u06af\u0631\u0627 \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633: L2TP\/IPsec \u06a9\u06cc \u062a\u0639\u06cc\u0646\u0627\u062a\u06cc \u0645\u06cc\u06ba Pre-Shared Key (PSK) \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u0646\u06d2 \u06a9\u0627 \u0633\u06cc\u06a9\u06cc\u0648\u0631\u0679\u06cc \u062e\u0637\u0631\u06c1 \u06a9\u06cc\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062c\u0628 L2TP\/IPsec \u06a9\u0648 Pre-Shared Key (\u0627\u06a9\u062b\u0631 &#8220;L2TP with Secret Key&#8221; \u06a9\u06c1\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2) \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u062a\u0639\u06cc\u0646\u0627\u062a \u06a9\u06cc\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u060c \u062a\u0648 \u06c1\u0631 \u0645\u0644\u0627\u0632\u0645 \u06cc\u0627 \u0635\u0627\u0631\u0641 \u06a9\u0646\u06a9\u0634\u0646 \u0634\u0631\u0648\u0639 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0628\u0627\u0644\u06a9\u0644 \u0648\u06c1\u06cc \u062c\u0627\u0645\u062f \u067e\u0627\u0633\u0641\u0631\u06cc\u0632 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0627\u06af\u0631 \u06a9\u0633\u06cc \u0627\u06cc\u06a9 \u0645\u0644\u0627\u0632\u0645 \u06a9\u06d2 \u0622\u0644\u06d2 \u0633\u06d2 \u0633\u0645\u062c\u06be\u0648\u062a\u06c1 \u06c1\u0648 \u062c\u0627\u0626\u06d2\u060c \u06cc\u0627 \u06a9\u0648\u0626\u06cc \u0633\u0627\u0628\u0642 \u0645\u0644\u0627\u0632\u0645 \u06a9\u0644\u06cc\u062f \u0628\u0631\u0642\u0631\u0627\u0631 \u0631\u06a9\u06be\u06d2\u060c \u062a\u0648 \u067e\u0648\u0631\u0627 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0628\u06d2 \u0646\u0642\u0627\u0628 \u06c1\u0648 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4 \u062d\u0645\u0644\u06c1 \u0622\u0648\u0631 \u0627\u0633 \u0644\u06cc\u06a9 \u06c1\u0648\u0626\u06cc PSK \u06a9\u0648 \u062c\u0639\u0644\u06cc \u0631\u0633\u0627\u0626\u06cc \u067e\u0648\u0627\u0626\u0646\u0679\u0633 \u0642\u0627\u0626\u0645 \u06a9\u0631\u0646\u06d2 \u0627\u0648\u0631 \u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u06c1\u062f\u0641 \u0628\u0646\u062f \u0645\u06cc\u0646-\u0627\u0646-\u062f\u06cc-\u0645\u0688\u0644 (MITM) \u0688\u06cc\u06a9\u0631\u067e\u0634\u0646 \u062d\u0645\u0644\u0648\u06ba \u06a9\u0648 \u0627\u0646\u062c\u0627\u0645 \u062f\u06cc\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u0627\u0639\u0644\u06cc\u0670 \u062d\u0641\u0627\u0638\u062a\u06cc \u0627\u0646\u0679\u0631\u067e\u0631\u0627\u0626\u0632 \u0622\u0688\u0679 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c PSK \u0633\u06d2 \u0627\u0646\u0641\u0631\u0627\u062f\u06cc X.509 \u0688\u06cc\u062c\u06cc\u0679\u0644 \u0633\u0631\u0679\u06cc\u0641\u06a9\u06cc\u0679\u0633 \u06a9\u06cc \u0637\u0631\u0641 EAP-TLS \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0645\u0646\u062a\u0642\u0644\u06cc \u0639\u0627\u0644\u0645\u06cc \u0637\u0648\u0631 \u067e\u0631 \u062a\u062c\u0648\u06cc\u0632 \u06a9\u06cc \u062c\u0627\u062a\u06cc \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q: L2TP\/IPsec \u062c\u062f\u06cc\u062f \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u06a9\u06d2 \u0645\u0642\u0627\u0628\u0644\u06d2 \u0645\u06cc\u06ba \u0632\u06cc\u0627\u062f\u06c1 CPU \u0627\u0648\u0648\u0631\u06c1\u06cc\u0688 \u06a9\u06cc\u0648\u06ba \u06a9\u06be\u0627\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc \u06a9\u06cc \u0631\u06a9\u0627\u0648\u0679 \u06a9\u0627 \u062a\u0639\u0644\u0642 \u0641\u0646 \u062a\u0639\u0645\u06cc\u0631 \u0627\u0648\u0631 \u06a9\u0631\u067e\u0679\u0648-\u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc \u0633\u06d2 \u06c1\u06d2\u06d4 L2TP \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u06cc\u0648\u0632\u0631-\u0627\u0633\u067e\u06cc\u0633 \u0627\u0648\u0631 \u06a9\u0631\u0646\u0644-\u0627\u0633\u067e\u06cc\u0633 \u06a9\u06cc \u062d\u062f \u0645\u06cc\u06ba \u0627\u06cc\u06a9 \u06a9\u062b\u06cc\u0631 \u067e\u0631\u062a\u0648\u06ba \u0648\u0627\u0644\u06d2 \u0633\u0627\u0641\u0679 \u0648\u06cc\u0626\u0631 \u0627\u0633\u0679\u06cc\u06a9 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u06af\u0632\u0631\u0646\u06d2 \u067e\u0631 \u0645\u062c\u0628\u0648\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0688\u0628\u0644 \u0627\u0646\u06a9\u06cc\u067e\u0633\u0648\u0644\u06cc\u0634\u0646 (PPP \u0627\u0648\u0648\u0631 L2TP \u0627\u0648\u0648\u0631 IPsec) \u06a9\u0648 \u0627\u0646\u062c\u0627\u0645 \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4 \u0645\u0632\u06cc\u062f \u0628\u0631\u0622\u06ba\u060c \u06cc\u06c1 \u067e\u0631\u0627\u0646\u06d2 \u06a9\u0631\u067e\u0679\u0648\u06af\u0631\u0627\u0641\u06a9 \u067e\u0631\u0627\u0626\u0645\u06cc\u0679\u06cc\u0648\u0632 \u067e\u0631 \u0627\u0646\u062d\u0635\u0627\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u062c\u062f\u06cc\u062f \u0645\u062a\u0628\u0627\u062f\u0644 \u062c\u06cc\u0633\u06d2 \u0648\u0627\u0626\u0631 \u06af\u0627\u0631\u0688 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a OS \u06a9\u0631\u0646\u0644 \u06a9\u0648\u0688 \u0645\u06cc\u06ba \u0644\u06a9\u06be\u06d2 \u062c\u0627\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u0644\u06cc\u06af\u06cc\u0633\u06cc PPP \u067e\u0631\u062a \u06a9\u0648 \u0645\u06a9\u0645\u0644 \u0637\u0648\u0631 \u067e\u0631 \u0646\u0638\u0631\u0627\u0646\u062f\u0627\u0632 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u0627\u0648\u0631 \u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u0645\u062a\u0648\u0627\u0632\u06cc \u0633\u0627\u0626\u0641\u0631\u0632 \u062c\u06cc\u0633\u06d2 ChaCha20-Poly1305 \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u0627\u0633 \u0633\u06d2 \u062c\u062f\u06cc\u062f \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u0645\u0648\u0628\u0627\u0626\u0644 \u0622\u0644\u0627\u062a \u067e\u0631 \u0646\u0645\u0627\u06cc\u0627\u06ba \u0637\u0648\u0631 \u067e\u0631 \u06a9\u0645 \u0628\u06cc\u0679\u0631\u06cc \u0627\u0648\u0631 CPU \u067e\u0627\u0648\u0631 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 3\u20134x \u0632\u06cc\u0627\u062f\u06c1 \u062a\u06be\u0631\u0648 \u067e\u0679 \u062d\u0627\u0635\u0644 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644: L2TP\/IPsec \u062c\u062f\u06cc\u062f \u06af\u06c1\u0631\u06d2 \u067e\u06cc\u06a9\u0679 \u0645\u0639\u0627\u0626\u0646\u06c1 (DPI) \u0641\u0627\u0626\u0631 \u0648\u0627\u0644\u0632 \u06a9\u0648 \u06a9\u06cc\u0633\u06d2 \u06c1\u06cc\u0646\u0688\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u06cc\u06c1 \u0646\u0645\u0627\u06cc\u0627\u06ba \u0637\u0648\u0631 \u067e\u0631 \u062c\u062f\u0648\u062c\u06c1\u062f \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u06a9\u06cc\u0648\u0646\u06a9\u06c1 L2TP\/IPsec \u0645\u06a9\u0645\u0644 \u0637\u0648\u0631 \u067e\u0631 \u0627\u06cc\u06a9 \u0645\u0642\u0631\u0631\u06c1\u060c \u0627\u0644\u06af \u067e\u0648\u0631\u0679 \u0641\u0679 \u067e\u0631\u0646\u0679 (UDP 1701\u060c 500\u060c \u0627\u0648\u0631 4500) \u067e\u0631 \u0627\u0646\u062d\u0635\u0627\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u06c1\u06cc\u0646\u0688 \u0634\u06cc\u06a9 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u0645\u06cc\u0679\u0627 \u0688\u06cc\u0679\u0627 \u0641\u0679 \u067e\u0631\u0646\u0679\u0633 \u06a9\u0648 \u0628\u0627\u0644\u06a9\u0644 \u0628\u06d2 \u0646\u0642\u0627\u0628 \u0686\u06be\u0648\u0691 \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u060c \u06cc\u06c1 \u06a9\u0627\u0631\u067e\u0648\u0631\u06cc\u0679 \u0641\u0627\u0626\u0631 \u0648\u0627\u0644\u0632\u060c ISPs\u060c \u0627\u0648\u0631 \u0642\u0648\u0645\u06cc \u0633\u0646\u0633\u0631\u0634\u067e \u0633\u0633\u0679\u0645\u0632 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06c1\u0648\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0688\u06cc\u067e \u067e\u06cc\u06a9\u0679 \u0627\u0646\u0633\u067e\u06cc\u06a9\u0634\u0646 (DPI) \u0679\u0648\u0644\u0632 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u06cc\u06a9 \u0646\u0627\u0642\u0627\u0628\u0644 \u06cc\u0642\u06cc\u0646 \u062d\u062f \u062a\u06a9 \u0622\u0633\u0627\u0646 \u06c1\u062f\u0641 \u06c1\u06d2\u06d4 SSL \u067e\u0631 \u0645\u0628\u0646\u06cc \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644\u0632 \u062c\u06cc\u0633\u06d2 OpenVPN (\u062c\u0648 TCP \u067e\u0648\u0631\u0679 443 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0679\u0631\u06cc\u0641\u06a9 \u0631\u0648\u0679 \u06a9\u0631 \u06a9\u06d2 \u0645\u0639\u06cc\u0627\u0631\u06cc HTTPS \u0628\u06cc\u0646\u06a9 \u0679\u0631\u06cc\u0641\u06a9 \u06a9\u06cc \u0637\u0631\u062d \u0628\u063a\u06cc\u0631 \u06a9\u0633\u06cc \u0631\u06a9\u0627\u0648\u0679 \u06a9\u06d2 \u06af\u06be\u0644 \u0645\u0644 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba) \u06a9\u06d2 \u0628\u0631\u0639\u06a9\u0633\u060c L2TP\/IPsec \u0679\u0631\u06cc\u0641\u06a9 \u06a9\u0648 \u0627\u06cc\u06a9 \u06c1\u06cc \u0641\u0627\u0626\u0631 \u0648\u0627\u0644 \u0642\u0627\u0639\u062f\u06d2 \u0633\u06d2 \u0641\u0648\u0631\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0634\u0646\u0627\u062e\u062a \u0627\u0648\u0631 \u0628\u0644\u0627\u06a9 \u06a9\u06cc\u0627 \u062c\u0627 \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644: \u0627\u0686\u0627\u0646\u06a9 \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u06a9\u06cc \u062e\u0631\u0627\u0628\u06cc \u06cc\u0627 \u06c1\u06cc\u0646\u0688 \u0627\u0648\u0648\u0631 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u0627\u06cc\u06a9 \u0641\u0639\u0627\u0644 L2TP\/IPsec \u0633\u06cc\u0634\u0646 \u06a9\u0627 \u06a9\u06cc\u0627 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IKEv2 \u06a9\u06d2 \u0628\u0631\u0639\u06a9\u0633 (\u062c\u0648 \u062c\u062f\u06cc\u062f MOBIKE \u062a\u0648\u0633\u06cc\u0639 \u06a9\u0648 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u062a\u0627\u06a9\u06c1 \u0628\u063a\u06cc\u0631 \u062a\u0648\u0691\u06d2 Wi\u2011Fi \u0633\u06d2 5G \u0645\u06cc\u06ba \u0622\u0633\u0627\u0646\u06cc \u0633\u06d2 \u0645\u0646\u062a\u0642\u0644 \u06c1\u0648 \u0633\u06a9\u06d2)\u060c \u0645\u0639\u06cc\u0627\u0631\u06cc L2TP\/IPsec \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u06a9\u06cc \u0645\u0646\u062a\u0642\u0644\u06cc \u06a9\u0648 \u062e\u0631\u0627\u0628 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0633\u0646\u0628\u06be\u0627\u0644\u062a\u0627 \u06c1\u06d2\u06d4 \u06a9\u06cc\u0648\u0646\u06a9\u06c1 \u0628\u0646\u06cc\u0627\u062f\u06cc \u06a9\u0646\u06a9\u0634\u0646 \u0627\u06cc\u06a9 \u0633\u062e\u062a \u0645\u0646\u0637\u0642\u06cc PPP (Point\u2011to\u2011Point Protocol) \u0633\u06cc\u0634\u0646 \u0633\u06d2 \u062c\u0691\u0627 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u060c \u06a9\u0644\u0627\u0626\u0646\u0679 \u06a9\u06d2 \u0628\u06cc\u0631\u0648\u0646\u06cc IP \u0627\u06cc\u0688\u0631\u06cc\u0633 \u0645\u06cc\u06ba \u06a9\u0633\u06cc \u0628\u06be\u06cc \u0627\u0686\u0627\u0646\u06a9 \u062a\u0628\u062f\u06cc\u0644\u06cc \u06a9\u06cc \u0648\u062c\u06c1 \u0633\u06d2 \u0679\u0646\u0644 \u067e\u06be\u0646\u0633 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4 L2TP \u0646\u06cc\u0679 \u0648\u0631\u06a9 \u0633\u0631\u0648\u0631 (LNS) \u06a9\u0648 Dead Peer Detection (DPD) \u0679\u0627\u0626\u0645\u0631\u0632 \u062e\u062a\u0645 \u06c1\u0648\u0646\u06d2 \u06a9\u0627 \u0627\u0646\u062a\u0638\u0627\u0631 \u06a9\u0631\u0646\u0627 \u067e\u0691\u062a\u0627 \u06c1\u06d2 (\u0627\u06a9\u062b\u0631 30 \u0633\u06d2 60 \u0633\u06cc\u06a9\u0646\u0688 \u0644\u06af\u062a\u06d2 \u06c1\u06cc\u06ba) \u0627\u0633 \u0633\u06d2 \u067e\u06c1\u0644\u06d2 \u06a9\u06c1 \u0648\u06c1 \u0628\u0627\u0636\u0627\u0628\u0637\u06c1 \u0637\u0648\u0631 \u067e\u0631 \u0645\u0631\u062f\u06c1 \u0679\u0646\u0644 \u06a9\u0648 \u062a\u0648\u0691\u06d2 \u0627\u0648\u0631 \u0635\u0627\u0631\u0641 \u06a9\u06d2 \u0622\u0644\u06d2 \u06a9\u0648 \u062f\u0648\u0628\u0627\u0631\u06c1 \u062a\u0635\u062f\u06cc\u0642 \u06a9\u0631\u0646\u06d2 \u0627\u0648\u0631 \u0627\u06cc\u06a9 \u0646\u06cc\u0627 \u06a9\u0646\u06a9\u0634\u0646 \u0642\u0627\u0626\u0645 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0627\u062c\u0627\u0632\u062a \u062f\u06d2\u06d4<\/p>","protected":false},"excerpt":{"rendered":"<p>In the evolutionary timeline of virtual private networking, L2TP (Layer 2 Tunneling Protocol) stands as a critical bridge between legacy dial-up infrastructures and modern cryptographic security. Formally defined in RFC 2661, L2TP is a session-layer protocol that merges the best features of two obsolete frameworks: Microsoft\u2019s PPTP (Point-to-Point Tunneling Protocol) and Cisco\u2019s L2F (Layer 2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":710,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"What Is L2TP? A Complete Guide to Layer 2 Tunneling Protocol","_seopress_titles_desc":"Dive deep into the L2TP\/IPsec protocol. Learn how LAC and LNS architecture, double encapsulation, and IPsec integration work together to secure enterprise data.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-post"],"_links":{"self":[{"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/posts\/709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/comments?post=709"}],"version-history":[{"count":1,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/posts\/709\/revisions"}],"predecessor-version":[{"id":711,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/posts\/709\/revisions\/711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/media\/710"}],"wp:attachment":[{"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/media?parent=709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/categories?post=709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rufreevpn.org\/ur\/wp-json\/wp\/v2\/tags?post=709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}