\u5e38\u89c1 VPN \u534f\u8bae<\/h3>\n
\u4e0d\u540c\u7684\u534f\u8bae\u4f7f\u7528\u4e0d\u540c\u7684\u52a0\u5bc6\u6280\u672f\u6765\u5904\u7406\u60a8\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u6700\u5e38\u7528\u534f\u8bae\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n \n
| \u534f\u8bae<\/th>\n | \u6838\u5fc3\u7279\u6027\u4e0e\u5e94\u7528\u573a\u666f<\/th>\n <\/tr>\n <\/thead>\n |
|---|---|
| \n WireGuard<\/a>\n <\/td>\n | \u4ee5\u7cbe\u7b80\u7684\u4ee3\u7801\u5e93\u548c\u6781\u901f\u6027\u80fd\u8457\u79f0\u7684\u73b0\u4ee3\u6807\u51c6\u3002\u662f\u9ad8\u6027\u80fd\u7f51\u7edc\u548c\u4f4e\u5ef6\u8fdf\u9700\u6c42\u7684\u7406\u60f3\u9009\u62e9\u3002<\/td>\n <\/tr>\n |
| \n OpenVPN<\/a>\n <\/td>\n | \u4e00\u79cd\u529f\u80fd\u6781\u5176\u4e30\u5bcc\u7684\u5f00\u6e90\u534f\u8bae\uff0c\u88ab\u5e7f\u6cdb\u8ba4\u4e3a\u662f\u5b89\u5168\u6027\u4e0e\u7a81\u7834\u5c01\u9501\u80fd\u529b\u7684\u884c\u4e1a\u53ef\u9760\u6807\u51c6\u3002<\/td>\n <\/tr>\n |
| \n IKEv2\/IPsec<\/a>\n <\/td>\n | \u79fb\u52a8\u8bbe\u5907\u7684\u7edd\u4f73\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u5728 Wi-Fi \u548c\u8702\u7a9d\u6570\u636e\u4e4b\u95f4\u5207\u6362\u65f6\uff0c\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u7684\u6548\u7387\u6781\u9ad8\u3002<\/td>\n <\/tr>\n |
| \n L2TP\/IPsec<\/a>\n <\/td>\n | \u4e00\u79cd\u8f83\u65e7\u7684\u534f\u8bae\uff0c\u901f\u5ea6\u901a\u5e38\u8f83\u6162\uff0c\u4f46\u4ecd\u7528\u4e8e\u65e7\u7248\u7cfb\u7edf\u548c\u8fc7\u65f6\u786c\u4ef6\u7684\u57fa\u7840\u517c\u5bb9\u6027\u3002<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n\n\nWireGuard\uff1a\u5b89\u5168\u96a7\u9053\u6280\u672f\u7684\u73b0\u4ee3\u6807\u51c6<\/h2>\n\n\n\nWireGuard \u4ee3\u8868\u4e86\u5b89\u5168\u7f51\u7edc\u9886\u57df\u7684\u4e00\u6b21\u91cd\u5927\u8303\u5f0f\u8f6c\u79fb\uff0c\u5c06\u5176\u81ea\u8eab\u5b9a\u4f4d\u4e3a IPsec \u548c OpenVPN \u7b49\u8001\u65e7\u534f\u8bae\u7684\u73b0\u4ee3\u66ff\u4ee3\u65b9\u6848\u3002\u8be5\u534f\u8bae\u7531 Jason Donenfeld \u5f00\u53d1\uff0c\u5176\u4e3b\u8981\u76ee\u6807\u662f\u7528\u7cbe\u7b80\u3001\u9ad8\u6027\u80fd division \u7684\u89e3\u51b3\u65b9\u6848\u53d6\u4ee3\u524d\u4ee3\u4ea7\u54c1\u5197\u957f\u4e14\u81c3\u80bf\u7684\u67b6\u6784\u3002\u4f20\u7edf VPN \u534f\u8bae\u901a\u5e38\u56e0\u8d85\u8fc7\u6570\u5341\u4e07\u884c\u7684\u5e9e\u5927\u4ee3\u7801\u5e93\u800c\u4e3e\u6b65\u7ef4\u8270\uff0c\u800c WireGuard \u5219\u4ee5\u6781\u7b80\u8457\u79f0\uff0c\u4ec5\u7531\u7ea6 4,000 \u884c\u4ee3\u7801\u7ec4\u6210\u3002\u8fd9\u79cd\u6781\u7b80\u4e3b\u4e49\u65b9\u6cd5\u4e0d\u4ec5\u4ec5\u662f\u4e00\u79cd\u5ba1\u7f8e\u9009\u62e9\uff0c\u66f4\u662f\u4e00\u79cd\u5173\u952e\u7684\u5b89\u5168\u7b56\u7565\uff1b\u66f4\u5c0f\u7684\u4ee3\u7801\u5e93\u610f\u5473\u7740\u6781\u7a84\u7684\u653b\u51fb\u9762\uff0c\u5e76\u5141\u8bb8\u8fdb\u884c\u5168\u9762\u7684\u72ec\u7acb\u5ba1\u8ba1\uff0c\u786e\u4fdd\u4e0e\u66f4\u590d\u6742\u7684\u7cfb\u7edf\u76f8\u6bd4\uff0c\u80fd\u591f\u4ee5\u66f4\u9ad8\u6548\u7387\u8bc6\u522b\u5e76\u4fee\u590d\u6f0f\u6d1e\u3002<\/p>\n\n\n\n \u9664\u4e86\u7ed3\u6784\u7b80\u5355\u5916\uff0cWireGuard \u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u5353\u8d8a\u7684\u901f\u5ea6\u548c\u4f4e\u5ef6\u8fdf\u6027\u80fd\u3002\u901a\u8fc7\u5b8c\u5168\u5728 Linux \u5185\u6838\u7a7a\u95f4\u5185\u8fd0\u884c\u5e76\u5229\u7528\u6700\u5148\u8fdb\u7684\u52a0\u5bc6\u539f\u8bed\uff0c\u5b83\u907f\u514d\u4e86\u65e7\u7248\u7528\u6237\u7a7a\u95f4\u5b9e\u73b0\u4e2d\u5e38\u89c1\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u6240\u5e26\u6765\u7684\u6c89\u91cd\u5f00\u9500\u3002\u5b83\u91c7\u7528\u4e86\u73b0\u4ee3\u201c\u52a0\u5bc6\u5957\u4ef6\u201d\uff0c\u5305\u62ec\u7528\u4e8e\u5bf9\u79f0\u52a0\u5bc6\u7684 ChaCha20\u3001\u7528\u4e8e\u5bc6\u94a5\u4ea4\u6362\u7684 Curve25519 \u4ee5\u53ca\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684 Poly1305\u3002\u8fd9\u4e9b\u7b97\u6cd5\u65e8\u5728\u5404\u79cd\u786c\u4ef6\u4e0a\uff08\u5373\u4f7f\u662f\u7f3a\u4e4f\u4e13\u7528 AES \u52a0\u901f\u7684\u8bbe\u5907\uff09\u90fd\u80fd\u5feb\u901f\u8fd0\u884c\u3002\u56e0\u6b64\uff0c\u7528\u6237\u53ef\u4ee5\u83b7\u5f97\u66f4\u5feb\u7684\u8fde\u63a5\u901f\u5ea6\u3001\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u4ee5\u53ca\u79fb\u52a8\u8bbe\u5907\u4e0a\u66f4\u957f\u7684\u7eed\u822a\u65f6\u95f4\uff0c\u4f7f\u5176\u6210\u4e3a\u4ece\u9ad8\u7aef\u670d\u52a1\u5668\u5230\u8d44\u6e90\u53d7\u9650\u578b\u667a\u80fd\u624b\u673a\u7684\u7406\u60f3\u9009\u62e9\u3002\n\n\u5728\u5b9e\u9645\u5e94\u7528\u65b9\u9762\uff0cWireGuard \u7b80\u5316\u4e86\u901a\u5e38\u4ee4\u4eba\u6cae\u4e27\u7684 VPN \u914d\u7f6e\u8fc7\u7a0b\u3002\u5b83\u91c7\u7528\u4e86\u7c7b\u4f3c\u4e8e SSH \u7684\u76f4\u89c2\u516c\u94a5\u8ba4\u8bc1\u6a21\u578b\uff0c\u6709\u6548\u5730\u6d88\u9664\u4e86\u7ba1\u7406\u590d\u6742 X.509 \u8bc1\u4e66\u94fe\u7684\u9700\u8981\u3002\u6b64\u5916\uff0c\u8be5\u534f\u8bae\u9ed8\u8ba4\u8bbe\u8ba1\u4e3a\u201c\u9690\u8eab\u201d\u6a21\u5f0f\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u5bf9\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u6570\u636e\u5305\u505a\u51fa\u54cd\u5e94\uff0c\u4f7f\u670d\u52a1\u5668\u5bf9\u672a\u7ecf\u6388\u6743\u7684\u626b\u63cf\u5668\u51e0\u4e4e\u4e0d\u53ef\u89c1\u3002\u5176\u6700\u53d7\u8d5e\u8a89\u7684\u7279\u6027\u4e4b\u4e00\u662f\u5f3a\u5927\u7684\u6f2b\u6e38\u529f\u80fd\uff1b\u5373\u4f7f\u8bbe\u5907\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u63a5\u53e3\u4e4b\u95f4\u5207\u6362\uff08\u4f8b\u5982\u4ece\u5bb6\u5ead Wi-Fi \u79fb\u52a8\u5230\u8702\u7a9d\u6570\u636e\u8fde\u63a5\uff09\uff0cWireGuard \u4e5f\u80fd\u4fdd\u6301\u65e0\u7f1d\u8fde\u63a5\u3002\u8fd9\u79cd\u94dc\u5899\u94c1\u58c1\u822c\u7684\u5b89\u5168\u6027\u3001\u6781\u901f\u6027\u80fd\u548c\u6613\u7528\u6027\u7684\u7ed3\u5408\uff0c\u4f7f\u5176\u5728\u6574\u4e2a\u884c\u4e1a\u5185\u5f97\u5230\u8fc5\u901f\u666e\u53ca\uff0c\u786e\u7acb\u4e86\u5176\u4f5c\u4e3a\u52a0\u5bc6\u96a7\u9053\u6280\u672f\u65b0\u91d1\u51c6\u7684\u5730\u4f4d\u3002<\/p>\n\n\n\n \u8fd1\u4e8c\u5341\u5e74\u6765\uff0cOpenVPN \u4e00\u76f4\u662f\u521b\u5efa\u5b89\u5168\u70b9\u5bf9\u70b9\uff08point-to-point\uff09\u548c\u7ad9\u70b9\u5bf9\u7ad9\u70b9\uff08site-to-site\uff09\u8fde\u63a5\u7684\u516c\u8ba4\u884c\u4e1a\u6807\u51c6\u3002\u8fd9\u6b3e\u4e8e 2001 \u5e74\u53d1\u5e03\u7684\u5f00\u6e90\u534f\u8bae\u63d0\u4f9b\u4e86\u4e00\u79cd\u900f\u660e\u4e14\u9ad8\u5ea6\u53ef\u5b9a\u5236\u7684\u6570\u636e\u52a0\u5bc6\u65b9\u5f0f\uff0c\u4ece\u800c\u5f7b\u5e95\u6539\u53d8\u4e86\u6574\u4e2a\u884c\u4e1a\u3002\u5b83\u4e4b\u6240\u4ee5\u80fd\u591f\u957f\u76db\u4e0d\u8870\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5f52\u529f\u4e8e\u5176\u201c\u7ecf\u53d7\u8fc7\u5b9e\u6218\u68c0\u9a8c\u201d\u7684\u7279\u6027\uff1b\u7531\u4e8e\u6e90\u7801\u5bf9\u6240\u6709\u4eba\u5f00\u653e\uff0c\u5b83\u7ecf\u5386\u4e86\u6570\u5341\u8f7d\u4e25\u82db\u7684\u72ec\u7acb\u5ba1\u8ba1\u3002\u8fd9\u79cd\u900f\u660e\u5ea6\u5efa\u7acb\u4e86\u4e00\u79cd\u5176\u4ed6\u534f\u8bae\u96be\u4ee5\u4f01\u53ca\u7684\u4fe1\u4efb\u6c34\u5e73\uff0c\u4f7f\u5176\u6210\u4e3a\u90a3\u4e9b\u91cd\u89c6\u6210\u719f\u53ef\u9760\u8bb0\u5f55\u3001\u800c\u975e\u5b9e\u9a8c\u6027\u901f\u5ea6\u7684\u9690\u79c1\u654f\u611f\u578b\u7ec4\u7ec7\u548c\u4e2a\u4eba\u7528\u6237\u7684\u9996\u9009\u3002<\/p>\n\n\n\n OpenVPN \u6700\u663e\u8457\u7684\u4f18\u52bf\u4e4b\u4e00\u5728\u4e8e\u5176\u5728\u7ed5\u8fc7\u9650\u5236\u6027\u9632\u706b\u5899\u548c\u7f51\u7edc\u5ba1\u67e5\u65b9\u9762\u65e0\u4e0e\u4f26\u6bd4\u7684\u901a\u7528\u6027\u3002\u4e0e\u8bb8\u591a\u53d7\u9650\u4e8e\u7279\u5b9a\u7aef\u53e3\u7684\u534f\u8bae\u4e0d\u540c\uff0cOpenVPN \u53ef\u4ee5\u914d\u7f6e\u4e3a\u5728\u8ffd\u6c42\u6781\u901f\u7684 UDP \u6216\u8ffd\u6c42\u6781\u9ad8\u53ef\u9760\u6027\u7684 TCP \u4e0a\u8fd0\u884c\u3002\u901a\u8fc7\u5229\u7528 TCP 443 \u7aef\u53e3\uff08\u5373\u6807\u51c6 HTTPS \u7f51\u9875\u6d41\u91cf\u6240\u4f7f\u7528\u7684\u7aef\u53e3\uff09\uff0cOpenVPN \u53ef\u4ee5\u6709\u6548\u5730\u5c06 VPN \u6570\u636e\u4f2a\u88c5\u6210\u6b63\u5e38\u7684\u4e92\u8054\u7f51\u6d4f\u89c8\u3002\u8fd9\u4f7f\u5176\u6210\u4e3a\u9ad8\u5ba1\u67e5\u73af\u5883\u4e0b\u7528\u6237\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u56e0\u4e3a\u5728\u8fd9\u4e9b\u73af\u5883\u4e2d\uff0c\u5176\u4ed6 VPN \u7279\u5f81\u5f88\u5bb9\u6613\u88ab\u6df1\u5ea6\u5305\u68c0\u6d4b\uff08DPI\uff09\u8bc6\u522b\u5e76\u963b\u65ad\u3002\n\nOpenVPN \u7684\u5b89\u5168\u57fa\u7840\u6784\u5efa\u4e8e OpenSSL \u5e93\u4e4b\u4e0a\uff0c\u8fd9\u4f7f\u5176\u80fd\u591f\u8c03\u7528\u5927\u91cf\u9ad8\u7ea7\u52a0\u5bc6\u7b97\u6cd5\u3002\u5b83\u6700\u5e38\u4f7f\u7528 AES-256 \u52a0\u5bc6\uff0c\u8fd9\u4e00\u5b89\u5168\u6807\u51c6\u5df2\u88ab\u5168\u7403\u653f\u5e9c\u548c\u519b\u4e8b\u673a\u6784\u5e7f\u6cdb\u91c7\u7528\u3002\u9664\u4e86\u57fa\u7840\u52a0\u5bc6\u5916\uff0cOpenVPN \u8fd8\u652f\u6301\u591a\u79cd\u8eab\u4efd\u9a8c\u8bc1\u65b9\u6cd5\uff0c\u5305\u62ec\u6570\u5b57\u8bc1\u4e66\u3001\u9884\u5171\u4eab\u5bc6\u94a5\u548c\u591a\u91cd\u8eab\u4efd\u9a8c\u8bc1\uff08MFA\uff09\u3002\u867d\u7136\u8fd9\u79cd\u5e7f\u6cdb\u7684\u529f\u80fd\u96c6\u5141\u8bb8\u9ad8\u5ea6\u7684\u201c\u7cbe\u7ec6\u8c03\u4f18\u201d\uff0c\u4f46\u4e5f\u5bfc\u81f4\u4e86\u9661\u5ced\u7684\u5b66\u4e60\u66f2\u7ebf\u3002OpenVPN \u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u5bc6\u5bc6\u9ebb\u9ebb\u4e14\u975e\u5e38\u590d\u6742\uff0c\u4e0e WireGuard \u7b49\u73b0\u4ee3\u66ff\u4ee3\u65b9\u6848\u76f8\u6bd4\uff0c\u9700\u8981\u66f4\u6df1\u5c42\u6b21\u7684\u6280\u672f\u77e5\u8bc6\u3002<\/p>\n\n\n\n \u7136\u800c\uff0c\u8fd9\u79cd\u901a\u7528\u6027\u7684\u91cd\u91cf\u662f\u4ee5\u6027\u80fd\u4e3a\u4ee3\u4ef7\u7684\u3002OpenVPN \u62e5\u6709\u8d85\u8fc7 10 \u4e07\u884c\u7684\u5e9e\u5927\u4ee3\u7801\u5e93\uff0c\u4e0e\u66f4\u73b0\u4ee3\u3001\u66f4\u7cbe\u7b80\u7684\u534f\u8bae\u76f8\u6bd4\uff0c\u5176\u7ef4\u62a4\u548c\u5ba1\u8ba1\u7684\u96be\u5ea6\u663e\u8457\u589e\u52a0\u3002\u6b64\u5916\uff0c\u7531\u4e8e OpenVPN \u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u201c\u7528\u6237\u7a7a\u95f4\u201d\u5185\u8fd0\u884c\uff0c\u5b83\u9700\u8981\u66f4\u591a\u7684 CPU \u8d44\u6e90\u6765\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u66f4\u9ad8\u7684\u5ef6\u8fdf\u5e76\u52a0\u901f\u79fb\u52a8\u8bbe\u5907\u7684\u7535\u6c60\u6d88\u8017\u3002\u5c3d\u7ba1\u5b58\u5728\u8fd9\u4e9b\u7f3a\u70b9\uff0cOpenVPN \u51ed\u501f\u5176\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u3001\u5f3a\u5927\u7684\u529f\u80fd\u4ee5\u53ca\u4e8c\u5341\u5e74\u6765\u5728\u5b9e\u6218\u4e2d\u8bc1\u660e\u7684\u53ef\u9760\u6027\uff0c\u4f9d\u7136\u662f\u6570\u5b57\u5b89\u5168\u9886\u57df\u7684\u91cd\u8981\u652f\u67f1\u3002<\/p>\n\n\n\n IKEv2\uff08Internet Key Exchange version 2\uff09\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u96a7\u9053\u534f\u8bae\uff0c\u901a\u5e38\u4e0e IPsec \u914d\u5408\u4f7f\u7528\u4ee5\u8fdb\u884c\u52a0\u5bc6\u548c\u8eab\u4efd\u9a8c\u8bc1\u3002\u8be5\u534f\u8bae\u7531\u5fae\u8f6f\u548c\u601d\u79d1\u8054\u5408\u5f00\u53d1\uff0c\u56e0\u5176\u5728\u7f51\u7edc\u5207\u6362\u671f\u95f4\u4fdd\u6301\u6301\u4e45\u8fde\u63a5\u7684\u72ec\u7279\u80fd\u529b\uff0c\u5df2\u6210\u4e3a VPN \u884c\u4e1a\u7684\u652f\u67f1\u3002\u4e0e\u90a3\u4e9b\u5728\u8bbe\u5907\u4e22\u5931\u4fe1\u53f7\u6216\u5207\u6362\u57fa\u7ad9\u65f6\u53ef\u80fd\u4f1a\u65ad\u5f00\u8fde\u63a5\u7684\u8001\u65e7\u534f\u8bae\u4e0d\u540c\uff0cIKEv2 \u5177\u5907\u201cMOBIKE\u201d\uff08\u79fb\u52a8\u6027\u4e0e\u591a\u5bbf\u4e3b\uff09\u529f\u80fd\u3002\u8fd9\u4f7f\u5f97\u5b83\u5bf9\u4e8e\u7ecf\u5e38\u5728 Wi-Fi \u548c\u8702\u7a9d\u6570\u636e\u4e4b\u95f4\u5207\u6362\u7684\u79fb\u52a8\u7528\u6237\u6765\u8bf4\u5177\u6709\u6781\u5f3a\u7684\u5f39\u6027\uff0c\u56e0\u4e3a\u5b83\u51e0\u4e4e\u53ef\u4ee5\u77ac\u95f4\u91cd\u65b0\u5efa\u7acb\u5b89\u5168\u96a7\u9053\uff0c\u800c\u65e0\u9700\u7528\u6237\u624b\u52a8\u91cd\u65b0\u8fde\u63a5\u3002\n\n\u4ece\u5b89\u5168\u89d2\u5ea6\u6765\u770b\uff0cIKEv2\/IPsec \u56e0\u5176\u5f3a\u5927\u7684\u52a0\u5bc6\u652f\u6301\u548c\u5904\u7406\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u80fd\u529b\u800c\u5907\u53d7\u63a8\u5d07\u3002\u5b83\u5229\u7528 IPsec \u5957\u4ef6\u4e3a\u6570\u636e\u5305\u63d0\u4f9b\u5b89\u5168\u5c42\uff0c\u901a\u5e38\u91c7\u7528 AES-256 \u52a0\u5bc6\u4ee5\u786e\u4fdd\u62e6\u622a\u7684\u6570\u636e\u65e0\u6cd5\u88ab\u8bfb\u53d6\u3002\u5176\u4e3b\u8981\u6280\u672f\u4f18\u52bf\u4e4b\u4e00\u662f\u5f97\u5230\u8bb8\u591a\u64cd\u4f5c\u7cfb\u7edf\u7684\u539f\u751f\u652f\u6301\uff0c\u5305\u62ec Windows\u3001macOS \u548c iOS\u3002\u8fd9\u79cd\u539f\u751f\u652f\u6301\u610f\u5473\u7740\u7528\u6237\u901a\u5e38\u65e0\u9700\u5b89\u88c5\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u5373\u53ef\u4f7f\u7528\u8be5\u534f\u8bae\u5efa\u7acb VPN \u8fde\u63a5\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u7b80\u6d01\u3001\u66f4\u96c6\u6210\u7684\u4f53\u9a8c\uff0c\u5e76\u51cf\u8f7b\u4e86\u8bbe\u5907\u7cfb\u7edf\u8d44\u6e90\u7684\u8d1f\u62c5\u3002<\/p>\n\n\n\n IKEv2\/IPsec \u7684\u6027\u80fd\u901a\u5e38\u4f18\u4e8e OpenVPN\uff0c\u56e0\u4e3a\u5b83\u7684\u8bbe\u8ba1\u66f4\u52a0\u9ad8\u6548\u4e14\u5bf9 CPU \u8d44\u6e90\u7684\u5360\u7528\u66f4\u5c11\u3002\u867d\u7136\u5b83\u53ef\u80fd\u65e0\u6cd5\u8fbe\u5230\u65b0\u4e00\u4ee3 WireGuard \u534f\u8bae\u90a3\u79cd\u6781\u9ad8\u7684\u901f\u5ea6\uff0c\u4f46\u5b83\u5728\u5b89\u5168\u6027\u548c\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u4e86\u6781\u4f73\u7684\u5e73\u8861\uff0c\u4f7f\u5176\u6210\u4e3a\u6d41\u5a92\u4f53\u6216\u5b89\u5168\u516c\u53f8\u8fdc\u7a0b\u8bbf\u95ee\u7b49\u9ad8\u5e26\u5bbd\u6d3b\u52a8\u7684\u7406\u60f3\u9009\u62e9\u3002\u7136\u800c\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cIKEv2 \u6709\u65f6\u66f4\u5bb9\u6613\u88ab\u590d\u6742\u7684\u9632\u706b\u5899\u62e6\u622a\uff0c\u56e0\u4e3a\u5b83\u901a\u5e38\u4f7f\u7528\u4e00\u7ec4\u7279\u5b9a\u7684\u7aef\u53e3\uff0c\u7f51\u7edc\u7ba1\u7406\u5458\u5f88\u5bb9\u6613\u8bc6\u522b\u8fd9\u4e9b\u7aef\u53e3\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5b83\u51ed\u501f\u901f\u5ea6\u3001\u539f\u751f\u517c\u5bb9\u6027\u4ee5\u53ca\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u65e0\u53ef\u6bd4\u62df\u7684\u7a33\u5b9a\u6027\uff0c\u59cb\u7ec8\u5904\u4e8e\u73b0\u4ee3\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\u7684\u524d\u6cbf\u3002<\/p>\n\n\n\n \u7b2c 2 \u5c42\u96a7\u9053\u534f\u8bae (L2TP) \u662f\u65e7\u7248\u70b9\u5bf9\u70b9\u96a7\u9053\u534f\u8bae (PPTP) \u7684\u5ef6\u4f38\uff0c\u51e0\u4e4e\u603b\u662f\u4e0e IPsec \u6210\u5bf9\u51fa\u73b0\uff0c\u4ee5\u63d0\u4f9b\u5176\u81ea\u8eab\u7f3a\u4e4f\u7684\u5b89\u5168\u6027\u3002\u867d\u7136 L2TP \u8d1f\u8d23\u521b\u5efa\u5141\u8bb8\u6570\u636e\u5728\u4e24\u70b9\u4e4b\u95f4\u4f20\u8f93\u7684\u96a7\u9053\uff0c\u4f46\u52a0\u5bc6\u548c\u8eab\u4efd\u9a8c\u8bc1\u7684\u91cd\u4efb\u5219\u7531 IPsec \u627f\u62c5\u3002\u591a\u5e74\u6765\uff0c\u8fd9\u79cd\u7ec4\u5408\u4e00\u76f4\u662f\u4f01\u4e1a\u8fdc\u7a0b\u8bbf\u95ee\u7684\u6807\u51c6\uff0c\u5e76\u4e14\u5728\u4eca\u5929\u4f9d\u7136\u662f\u4e00\u4e2a\u5177\u6709\u6781\u9ad8\u517c\u5bb9\u6027\u7684\u9009\u9879\u3002\u7531\u4e8e L2TP\/IPsec \u5f97\u5230\u51e0\u4e4e\u6240\u6709\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\uff08\u4ece\u65e7\u7248 Windows \u5230\u73b0\u4ee3\u667a\u80fd\u624b\u673a\uff09\u7684\u539f\u751f\u652f\u6301\uff0c\u56e0\u6b64\u5f53\u7528\u6237\u9700\u8981\u5728\u53d7\u9650\u6216\u65e0\u6cd5\u5b89\u88c5\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u7684\u8bbe\u5907\u4e0a\u5efa\u7acb VPN \u8fde\u63a5\u65f6\uff0c\u5b83\u901a\u5e38\u662f\u9996\u9009\u3002\n\n\u4ece\u6280\u672f\u89d2\u5ea6\u6765\u770b\uff0cL2TP\/IPsec \u6700\u663e\u8457\u7684\u7279\u5f81\u662f\u5176\u201c\u53cc\u91cd\u5c01\u88c5\u201d\u8fc7\u7a0b\u3002\u5728\u8fd9\u79cd\u67b6\u6784\u4e0b\uff0c\u6570\u636e\u9996\u5148\u88ab\u5305\u88f9\u5728 L2TP \u6570\u636e\u5305\u4e2d\uff0c\u7136\u540e\u4e3a\u4e86\u52a0\u5bc6\u518d\u6b21\u88ab\u5305\u88f9\u5728 IPsec \u6570\u636e\u5305\u4e2d\u3002\u867d\u7136\u8fd9\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u4fdd\u62a4\u5c42\uff0c\u4f46\u4e5f\u5f15\u5165\u4e86\u663e\u8457\u7684\u5f00\u9500 (Overhead)\u3002\u7531\u4e8e\u6bcf\u6761\u6570\u636e\u90fd\u5fc5\u987b\u7ecf\u8fc7\u4e24\u6b21\u5904\u7406\uff0cL2TP\/IPsec \u901a\u5e38\u6bd4 WireGuard \u6216 IKEv2 \u7b49\u7cbe\u7b80\u534f\u8bae\u66f4\u6162\u4e14\u66f4\u8017 CPU \u8d44\u6e90\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8f83\u4f4e\u7684\u541e\u5410\u91cf\u548c\u8f83\u9ad8\u7684\u5ef6\u8fdf\uff0c\u4f7f\u5176\u4e0d\u592a\u9002\u5408\u6e38\u620f\u6216 4K \u6d41\u5a92\u4f53\u7b49\u9ad8\u901f\u4efb\u52a1\uff0c\u4f46\u5bf9\u4e8e\u6807\u51c6\u7684\u7f51\u9875\u6d4f\u89c8\u548c\u6587\u6863\u5171\u4eab\u6765\u8bf4\uff0c\u5b83\u4f9d\u7136\u5b8c\u5168\u80dc\u4efb\u3002<\/p>\n\n\n\n \u5728\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u4e0b\uff0cL2TP\/IPsec \u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u4e4b\u4e00\u662f\u5b83\u6781\u6613\u88ab\u9632\u706b\u5899\u62e6\u622a\u3002\u8be5\u534f\u8bae\u901a\u5e38\u4f9d\u8d56\u4e8e\u56fa\u5b9a\u7aef\u53e3\uff08\u5982 UDP 500 \u548c UDP 4500\uff09\uff0c\u8fd9\u4e9b\u7aef\u53e3\u5f88\u5bb9\u6613\u88ab\u7f51\u7edc\u7ba1\u7406\u5458\u6216\u653f\u5e9c\u5ba1\u67e5\u673a\u6784\u901a\u8fc7\u6df1\u5ea6\u5305\u68c0\u6d4b\uff08DPI\uff09\u6280\u672f\u8fdb\u884c\u8bc6\u522b\u548c\u9650\u5236\u3002\u4e0e\u80fd\u591f\u5c06\u6d41\u91cf\u9690\u85cf\u5728\u5e38\u7528\u7f51\u9875\u7aef\u53e3\u4e2d\u7684 OpenVPN \u4e0d\u540c\uff0cL2TP\/IPsec \u5728\u7f51\u7edc\u4e2d\u975e\u5e38\u201c\u663e\u773c\u201d\uff0c\u4e14\u7f3a\u4e4f\u9690\u8eab\u80fd\u529b\u3002\u5c3d\u7ba1\u5b58\u5728\u8fd9\u4e9b\u5c40\u9650\u6027\u53ca\u5176\u67b6\u6784\u65e5\u76ca\u8001\u5316\uff0c\u4f46\u51ed\u501f\u5176\u666e\u904d\u7684\u517c\u5bb9\u6027\uff0c\u4ee5\u53ca\u4f5c\u4e3a VPN \u9886\u57df\u867d\u6162\u4f46\u53ef\u9760\u7684\u201c\u8001\u5175\u201d\u5730\u4f4d\uff0cL2TP\/IPsec \u81f3\u4eca\u4ecd\u5728\u5168\u7403\u8303\u56f4\u5185\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n VPN \u534f\u8bae\u7684\u6f14\u8fdb\u53cd\u6620\u4e86\u4e92\u8054\u7f51\u672c\u8eab\u66f4\u5e7f\u6cdb\u7684\u53d1\u5c55\u53f2\u2014\u2014\u8fd9\u662f\u4e00\u573a\u5728\u5b89\u5168\u6027\u3001\u901f\u5ea6\u548c\u517c\u5bb9\u6027\u4e4b\u95f4\u4e0d\u65ad\u8fdb\u884c\u7684\u535a\u5f08\u3002\u867d\u7136 L2TP\/IPsec \u7b49\u8001\u65e7\u534f\u8bae\u4e3a\u65e7\u786c\u4ef6\u63d0\u4f9b\u4e86\u8fc7\u6e21\u6865\u6881\uff0c\u4e14 OpenVPN \u4f9d\u7136\u662f\u7ed5\u8fc7\u5ba1\u67e5\u7684\u201c\u745e\u58eb\u519b\u5200\u201d\uff0c\u4f46\u6574\u4e2a\u884c\u4e1a\u663e\u7136\u6b63\u671d\u7740\u66f4\u9ad8\u6548\u7684\u672a\u6765\u8fc8\u8fdb\u3002IKEv2\/IPsec \u4f9d\u7136\u662f\u90a3\u4e9b\u5728\u79fb\u52a8\u4e2d\u8ffd\u6c42\u7a33\u5b9a\u6027\u7684\u624b\u673a\u7528\u6237\u7684\u201c\u82f1\u96c4\u201d\uff0c\u800c WireGuard \u7684\u51fa\u73b0\u5219\u6210\u4e3a\u4e86\u51b3\u5b9a\u6027\u7684\u201c\u6e38\u620f\u89c4\u5219\u6539\u53d8\u8005\u201d\u3002\u901a\u8fc7\u5c06\u9876\u5c16\u52a0\u5bc6\u6280\u672f\u4e0e\u6781\u7b80\u4ee3\u7801\u5e93\u76f8\u7ed3\u5408\uff0cWireGuard \u8bc1\u660e\u4e86\u5b89\u5168\u7f51\u7edc\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u7f13\u6162\u6216\u590d\u6742\u3002\n\n\u5f52\u6839\u7ed3\u5e95\uff0c\u5e76\u6ca1\u6709\u4e00\u4e2a\u9002\u7528\u4e8e\u6240\u6709\u573a\u666f\u7684\u5355\u4e00\u201c\u6700\u4f73\u201d\u534f\u8bae\uff1b\u6b63\u786e\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u60a8\u7684\u5177\u4f53\u786c\u4ef6\u3001\u5bf9\u901f\u5ea6\u7684\u9700\u6c42\u4ee5\u53ca\u60a8\u8bd5\u56fe\u514b\u670d\u7684\u5ba1\u67e5\u7a0b\u5ea6\u3002\u7136\u800c\uff0c\u7406\u89e3\u8fd9\u4e9b\u6570\u5b57\u96a7\u9053\u7684\u201c\u8bf4\u660e\u4e66\u201d\uff0c\u80fd\u8ba9\u60a8\u5b8c\u5168\u638c\u63e1\u81ea\u5df1\u7684\u5728\u7ebf\u9690\u79c1\u4e0e\u6027\u80fd\u3002<\/p>","protected":false},"excerpt":{"rendered":" A VPN protocol is a set of standardized rules and instruction sets that determine exactly how data is transmitted between your device and a VPN server. It acts as the “instruction manual” for the secure tunnel, defining the specific methods for encryption, authentication, and data integrity. While the VPN itself creates the connection, the protocol dictates the balance between speed, security, and stability. For example, some protocols prioritize heavy encryption to ensure maximum privacy, while others focus on minimizing overhead to provide the fastest possible speeds for streaming or gaming. Common VPN Protocols Different protocols use different cryptographic techniques to handle your data. Here is a breakdown of the most widely used ones: Protocol Key Characteristics & Use Cases WireGuard The modern standard known for its lean codebase and exceptional speed. Ideal for high-performance networking and low latency. OpenVPN A highly versatile, open-source protocol that is widely considered the industry reliable standard for security and bypass capabilities. IKEv2\/IPsec Excellent for mobile devices because it is highly effective at re-establishing connections when switching between Wi-Fi and cellular data. L2TP\/IPsec An older protocol that is generally slower but still used for basic compatibility on legacy systems and older hardware. WireGuard: The Modern Standard for Secure Tunneling WireGuard represents a significant paradigm shift in the realm of secure networking, positioning itself as a modern alternative to aging protocols like IPsec and OpenVPN. Developed by Jason Donenfeld, its primary objective was to replace the cumbersome and bloated architectures of its predecessors with a streamlined, high-performance solution. While traditional VPN protocols often struggle with massive codebases exceeding hundreds of thousands of lines, WireGuard is famously lean, consisting of only about 4,000 lines of code. This minimalist approach is not merely an aesthetic choice but a critical security strategy; a smaller codebase presents a much narrower attack surface and allows for comprehensive independent auditing, ensuring that vulnerabilities can be identified and patched with far greater efficiency than in more complex systems. Beyond its structural simplicity, WireGuard is engineered for exceptional speed and low-latency performance. By operating entirely within the Linux kernel space and utilizing state-of-the-art cryptographic primitives, it avoids the heavy overhead typically associated with context switching in older user-space implementations. It leverages a modern “crypto suite” that includes ChaCha20 for symmetric encryption, Curve25519 for key exchange, and Poly1305 for authentication. These algorithms are designed to be extremely fast on a wide variety of hardware, even those lacking specialized AES acceleration. Consequently, users experience faster connection times, higher throughput, and improved battery life on mobile devices, making it an ideal choice for everything from high-end servers to resource-constrained smartphones.In terms of practical utility, WireGuard simplifies the often-frustrating process of VPN configuration. It adopts a straightforward public-key authentication model similar to SSH, effectively eliminating the need for managing complex X.509 certificate chains. Furthermore, the protocol is designed to be “stealthy” by default, as it does not respond to unauthenticated packets, making the server virtually invisible to unauthorized scanners. One of its most praised features is its robust roaming capability; WireGuard can maintain a seamless connection even as a device switches between different network interfaces, such as moving from a home Wi-Fi network to a cellular data connection. This combination of ironclad security, extreme performance, and ease of use has led to its rapid adoption across the industry, establishing it as the new gold standard for encrypted tunneling. The Legacy and Power of OpenVPN For nearly two decades, OpenVPN has served as the definitive industry standard for creating secure point-to-point and site-to-site connections. Released in 2001, this open-source protocol revolutionized the industry by providing a transparent and highly customizable way to secure data. Its longevity is largely due to its “battle-tested” nature; because the source code is open for anyone to inspect, it has undergone decades of rigorous independent audits. This transparency has built a level of trust that few other protocols can match, making it a favorite for privacy-conscious organizations and individual users who prioritize a proven track record over experimental speed. One of the most significant advantages of OpenVPN is its unparalleled versatility in bypassing restrictive firewalls and network censorship. Unlike many protocols that are restricted to specific ports, OpenVPN can be configured to run on both UDP for maximum speed and TCP for maximum reliability. By utilizing TCP port 443\u2014the same port used for standard HTTPS web traffic\u2014OpenVPN can effectively disguise VPN data as normal internet browsing. This makes it a powerful tool for users in high-censorship environments where other VPN signatures are easily detected and blocked by deep packet inspection.The security foundation of OpenVPN is built upon the OpenSSL library, which grants it access to a vast array of high-level cryptographic algorithms. It most commonly utilizes AES-256 encryption, a standard so secure it is used by governments and military institutions worldwide. Beyond simple encryption, OpenVPN supports diverse authentication methods, including digital certificates, pre-shared keys, and multi-factor authentication. While this extensive feature set allows for a high degree of “fine-tuning,” it also creates a steep learning curve. The configuration files for an OpenVPN setup are often dense and complex, requiring a deeper level of technical knowledge than modern alternatives like WireGuard. However, the weight of this versatility comes with a performance cost. OpenVPN features a massive codebase of over 100,000 lines, which is significantly more difficult to maintain and audit than newer, leaner protocols. Additionally, because OpenVPN operates in the operating system’s “user space,” it requires more CPU resources to encrypt and decrypt data, which can lead to higher latency and increased battery drain on mobile devices. Despite these drawbacks, OpenVPN remains a critical pillar of digital security, valued for its extreme flexibility, robust features, and two decades of proven reliability in the field. The Reliability and Mobility of IKEv2\/IPsec IKEv2, or Internet Key Exchange version 2, is a robust tunneling protocol usually paired with IPsec for encryption and authentication. Developed jointly by Microsoft and Cisco, it has become a staple in the VPN industry due to its unique ability to maintain a persistent<\/p>","protected":false},"author":1,"featured_media":534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What is a VPN Protocol?","_seopress_titles_desc":"Explore the world of VPN protocols. 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![\"WireGuard\"](\"https:\/\/rocketspacevpn.com\/wp-content\/uploads\/2026\/05\/WireGuard-1024x576.jpg\")
![\"OpenVPN](\"https:\/\/rocketspacevpn.com\/wp-content\/uploads\/2026\/05\/how-openvpn-work-1024x501.png\")
![\"\"](\"https:\/\/rocketspacevpn.com\/wp-content\/uploads\/2026\/05\/imgi_154_What-is-IKEv2IPsec-scaled-1-1024x576.jpeg\")
<\/figure>\n\n\n\n![\"L2TP\/IPsec](\"https:\/\/rocketspacevpn.com\/wp-content\/uploads\/2026\/05\/imgi_149_how-l2tp-ipsec-works-min-1-864x1024.jpeg\")