\u6b63\u5982\u5d14\u5065\u5728\u300a\u4e0d\u662f\u6211\u4e0d\u660e\u767d\u300b\u4e2d\u5531\u7684\u90a3\u6837\uff0c\u201c\u4e0d\u662f\u6211\u4e0d\u660e\u767d\uff0c\u8fd9\u4e16\u754c\u53d8\u5316\u5feb\u3002\u201d\u5c3d\u7ba1\u4eba\u4eec\u548c\u5404\u5382\u5bb6\u4ecd\u9075\u5faa\u8fd9\u4e2a\u5c42\u6b21\u5212\u5206\u6765\u8bbe\u8ba1\u548c\u5b9e\u73b0\u5404\u79cd\u534f\u8bae\u548c\u6280\u672f\uff0c\u4f46\u5728\u7f51\u7edc\u6280\u672f\u65e5\u65b0\u6708\u5f02\u5730\u98de\u901f\u53d1\u5c55\u4e0e\u666e\u53ca\u4e0b\uff0c\u5982\u4eca\u5e94\u7528\u7684TCP\/IP\u534f\u8bae\u5df2\u548c\u6700\u521d\u7684\u8bbe\u8ba1\u5927\u76f8\u5f84\u5ead\u3002\u5728\u6ca1\u6709\u5047\u8bbe\u653b\u51fb\u8005\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\u8bbe\u8ba1\u7684TCP\/IP\u534f\u8bae\u65e9\u5df2\u5343\u75ae\u767e\u5b54\uff0c\u4e0d\u5f97\u4e0d\u6253\u4e0a\u5404\u79cd\u201c\u5b89\u5168\u8865\u4e01\u201d\uff0c\u540c\u65f6\u5b89\u5168\u4eba\u5458\u4e5f\u5fc5\u987b\u8003\u8651\u8981\u5728\u54ea\u4e00\u4e2a\u5c42\u6b21\u5bf9\u81ea\u5df1\u7684\u4ea7\u54c1\u8fdb\u884c\u9632\u62a4\u3002<\/p>\n
\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u4f7f\u7528\u5305\u62ec\u76d1\u542c\u3001\u4e2d\u65ad\u3001\u7be1\u6539\u548c\u4f2a\u9020\u7b49\u65b9\u5f0f\u8fdb\u884c\u7f51\u7edc\u653b\u51fb\u3002\u76d1\u542c\u662f\u4e00\u79cd\u88ab\u52a8\u653b\u51fb\u6a21\u5f0f\uff0c\u5176\u76ee\u7684\u662f\u83b7\u53d6\u7f51\u7edc\u901a\u4fe1\u53cc\u65b9\u7684\u901a\u4fe1\u5185\u5bb9\uff1b\u4e2d\u65ad\u3001\u7be1\u6539\u548c\u4f2a\u9020\u90fd\u5c5e\u4e8e\u4e3b\u52a8\u653b\u51fb\u6a21\u5f0f\uff0c\u4e2d\u65ad\u7684\u76ee\u6807\u662f\u4f7f\u6b63\u5e38\u7684\u7f51\u7edc\u901a\u4fe1\u548c\u4f1a\u8bdd\u65e0\u6cd5\u7ee7\u7eed\uff0c\u7be1\u6539\u5219\u53ef\u4ee5\u5230\u8fbe\u901a\u4fe1\u53e6\u4e00\u65b9\u7684\u6570\u636e\u8fdb\u884c\u672a\u6388\u6743\u7684\u4fee\u6539\uff0c\u81f4\u4f7f\u5bf9\u65b9\u63a5\u6536\u5230\u865a\u5047\u7684\u4fe1\u606f\uff0c\u4f2a\u9020\u4f1a\u4f7f\u901a\u4fe1\u7684\u4e00\u65b9\u63a5\u6536\u5230\u865a\u5047\u7684\u81ea\u79f0\u6765\u81ea\u53e6\u4e00\u65b9\u7684\u4fe1\u606f\uff0c\u8fdb\u800c\u6267\u884c\u67d0\u79cd\u64cd\u4f5c\u3002\u5e38\u89c1\u7684\u653b\u51fb\u6709ICMP\u91cd\u5b9a\u5411\u3001ARP\u6b3a\u9a97\u3001DoS\uff08Denial of Service\uff0c\u62d2\u7edd\u670d\u52a1\uff09\u3001DNS\u6b3a\u9a97\u3001\u7f51\u9875\u6728\u9a6c\u548c\u7f51\u9875\u9493\u9c7c\u7b49\u3002\u8fd9\u4e9b\u653b\u51fb\u5728\u4e0d\u540c\u7a0b\u5ea6\u4e0a\u7834\u574f\u4e86\u4fe1\u606f\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u3001\u53ef\u7528\u6027\u3001\u53ef\u63a7\u6027\u3001\u771f\u5b9e\u6027\u7b49\u5c5e\u6027\u3002<\/p>\n
\u6309\u7167TCP\/IP\u534f\u8bae\u7684\u5212\u5206\uff0c\u53ef\u4ee5\u5c06\u653b\u51fb\u5212\u5206\u4e3a\u5bf9\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u548c\u5e94\u7528\u5c42\u7684\u653b\u51fb\u3002\u7f51\u7edc\u5c42\u7684\u57fa\u7840\u534f\u8bae\u5305\u62ecIP\u3001ARP\u7b49\uff0c\u5f80\u5f80\u4e5f\u5c06ICMP\u3001BGP\u7b49\u534f\u8bae\u5f52\u4e3a\u7f51\u7edc\u5c42\u534f\u8bae\u3002IP\u534f\u8bae\u7684\u9996\u8981\u5b89\u5168\u95ee\u9898\u5728\u4e8e\u5728\u8fdb\u884c\u5206\u7ec4\u4ea4\u6362\u65f6\u53ea\u6839\u636e\u76ee\u7684\u5730\u5740\u8fdb\u884c\u8f6c\u53d1\uff0c\u800c\u4e0d\u68c0\u67e5\u6e90\u5730\u5740\u662f\u5426\u6709\u6548\uff0c\u7f3a\u4e4f\u5bf9IP\u5730\u5740\u7684\u8eab\u4efd\u8ba4\u8bc1\uff0c\u5bb9\u6613\u906d\u5230\u4e0d\u9700\u8981\u6536\u5230\u54cd\u5e94\u5305\u7684\u653b\u51fb\u6216\u5e8f\u5217\u53f7\u731c\u6d4b\u653b\u51fb\u7b49\uff0c\u8fdb\u800c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u4f1a\u8bdd\u52ab\u6301\u3002IP\u534f\u8bae\u5b58\u5728\u5176\u4ed6\u7684\u5b89\u5168\u95ee\u9898\u8fd8\u5305\u62ecIP\u5206\u7247\u91cd\u7ec4\u7f3a\u9677\u7b49\u3002ARP\u534f\u8bae\u7684\u57fa\u672c\u529f\u80fd\u662f\u901a\u8fc7IP\u5730\u5740\u67e5\u8be2\u76ee\u6807\u8bbe\u5907\u7684MAC\u5730\u5740\uff0c\u4ee5\u4fdd\u8bc1\u901a\u4fe1\u7684\u6b63\u5e38\u8fdb\u884c\u3002ARP\u534f\u8bae\u901a\u8fc7\u5e7f\u64ad\u8fdb\u884c\u95ee\u8be2\uff0c\u5e76\u5728\u6bcf\u53f0\u4e3b\u673a\u4e0a\u7ef4\u62a4\u4e00\u4e2aARP\u7f13\u5b58\u8868\uff0c\u4fdd\u5b58MAC-IP\u7684\u6620\u5c04\u3002\u800c\u8fd9\u79cd\u8bbe\u8ba1\u672a\u5bf9\u6620\u5c04\u5173\u7cfb\u7684\u771f\u5b9e\u6027\u8fdb\u884c\u9a8c\u8bc1\uff0c\u672a\u5bf9\u95ee\u8be2\u54cd\u5e94\u6765\u6e90\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5f88\u5bb9\u6613\u9020\u6210ARP\u6b3a\u9a97\u3002<\/p>\n
\u4f20\u8f93\u5c42\u534f\u8bae\u4e3b\u8981\u6709TCP\u548cUDP\u3002TCP\u5efa\u7acb\u4f1a\u8bdd\u540e\u7684\u8fde\u63a5\u8fc7\u7a0b\u4e2d\uff0c\u4ec5\u9760IP\u5730\u5740\u3001\u7aef\u53e3\u548c\u5e8f\u5217\u53f7\u786e\u8ba4\u53f7\u6765\u5bf9\u901a\u4fe1\u5bf9\u65b9\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u5f88\u5bb9\u6613\u906d\u5230\u4f2a\u9020\u6216\u6b3a\u9a97\u7b49\u653b\u51fb\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u76f4\u63a5\u4f2a\u9020TCP RST\u62a5\u6587\u4e2d\u65ad\u4f1a\u8bdd\u8fc7\u7a0b\uff0c\u6216\u8005\u8fdb\u884c\u5176\u4ed6\u4e2d\u95f4\u4eba\u653b\u51fb\u7b49\u3002\u6b64\u5916\uff0cTCP\u7684\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u4e2d\u7684\u8bbe\u8ba1\u7f3a\u9677\uff0c\u5bb9\u6613\u9020\u6210SYN Flood\u653b\u51fb\uff0c\u5229\u7528\u5c11\u91cf\u8d44\u6e90\u5373\u53ef\u6d88\u8017\u670d\u52a1\u5668\u7aef\u5927\u91cf\u8d44\u6e90\uff0c\u8fdb\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002UDP\u534f\u8bae\u4f5c\u4e3a\u4e00\u79cd\u65e0\u8fde\u63a5\u4f20\u8f93\u534f\u8bae\uff0c\u4e00\u822c\u53ea\u7528\u6765\u4f20\u8f93\u6570\u636e\uff0c\u9488\u5bf9UDP\u7684\u653b\u51fb\u5f88\u5c11\u89c1\uff0c\u5e38\u89c1\u7684\u6709UDP Flood\uff0c\u901a\u8fc7\u6ee5\u7528UDP\u534f\u8bae\u6d88\u8017\u76ee\u6807\u7f51\u7edc\u5e26\u5bbd\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002<\/p>\n
\u5e94\u7528\u5c42\u534f\u8bae\u6bd4\u8f83\u591a\uff0c\u5e38\u89c1\u7684\u6709HTTP\u3001SMTP\u3001FTP\u3001DNS\u7b49\uff0c\u5927\u591a\u6570\u91c7\u7528\u660e\u6587\u4f20\u8f93\uff0c\u56e0\u6b64\u5f88\u53ef\u80fd\u88ab\u76d1\u542c\u3001\u6b3a\u9a97\u548c\u7be1\u6539\u7b49\u3002\u4e00\u4e9b\u5e38\u89c1\u7684Web\u653b\u51fb\u7ecf\u5e38\u7ed3\u5408\u5e94\u7528\u5c42\u7684\u5f31\u70b9\u6765\u5b9e\u65bd\uff0c\u5229\u7528\u7f51\u7edc\u6570\u636e\u7684\u660e\u6587\u4f20\u8f93\uff0c\u8fdb\u884c\u5982\u6d41\u91cf\u52ab\u6301\u3001\u6570\u636e\u7a83\u542c\u7b49\u653b\u51fb\u3002\u4e00\u4e9bSMTP\u670d\u52a1\u63d0\u4f9b\u5546\u5728\u7528\u6237\u53d1\u9001\u90ae\u4ef6\u65f6\u4e0d\u5bf9\u7528\u6237\u58f0\u79f0\u7684\u6765\u6e90\u8fdb\u884c\u786e\u8ba4\uff0c\u5bfc\u81f4\u7528\u6237\u5192\u540d\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\uff0c\u8fdb\u800c\u5bf9\u90ae\u4ef6\u63a5\u6536\u8005\u8fdb\u884c\u6b3a\u9a97\u3002DNS\u52ab\u6301\u53ef\u4ee5\u6210\u4e3a\u5f00\u5c55\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u4e00\u4e2a\u91cd\u8981\u624b\u6bb5\uff0c\u800cDNS\u5c61\u6b21\u6210\u4e3aDDoS\u653b\u51fb\u7684\u76ee\u6807\uff0c\u4ece\u800c\u5bfc\u81f4\u5927\u9762\u79ef\u65ad\u7f51\u4e8b\u4ef6\u7684\u53d1\u751f\u3002<\/p>\n
\u7eb5\u89c2TCP\/IP\u534f\u8bae\u6808\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u8fd9\u4e9b\u5b89\u5168\u9690\u60a3\u5927\u591a\u90fd\u662f\u7531\u4e8e\u7f3a\u4e4f\u5bf9\u7528\u6237\u7684\u8eab\u4efd\u8ba4\u8bc1\u3001\u6570\u636e\u7684\u672a\u52a0\u5bc6\u4f20\u8f93\u548c\u4f20\u8f93\u7684\u6570\u636e\u672a\u8fdb\u884c\u8ba4\u8bc1\u9020\u6210\u7684\u3002\u5bf9\u6b64\uff0c\u524d\u4eba\u628a\u5bc6\u7801\u5b66\u5f15\u5165\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u6765\uff0c\u5728\u5404\u534f\u8bae\u5c42\u8bbe\u8ba1\u4e86\u4e00\u4e9b\u5b89\u5168\u4f20\u8f93\u65b9\u6848\uff08\u534f\u8bae\uff09\uff0c\u7531\u6b64\u4fdd\u8bc1\u4fe1\u606f\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u3001\u53ef\u7528\u6027\u3001\u53ef\u63a7\u6027\u3001\u771f\u5b9e\u6027\u548c\u4e0d\u53ef\u5426\u8ba4\u6027\u7b49\u3002<\/p>\n
\u7f51\u7edc\u5c42\u5b89\u5168\u534f\u8bae\u4e3b\u8981\u6709IPsec\u7b49\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u62a4\u5404\u4e0a\u5c42\u534f\u8bae\uff0c\u5e76\u4e3a\u5404\u79cd\u5b89\u5168\u670d\u52a1\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u7684\u5e73\u53f0\u3002IPsec\u628a\u5bc6\u7801\u5b66\u7684\u5b89\u5168\u673a\u5236\u5f15\u5165\u4e86IP\u534f\u8bae\uff0c\u901a\u8fc7\u4f7f\u7528\u73b0\u4ee3\u5bc6\u7801\u5b66\u7684\u65b9\u6cd5\u63d0\u4f9b\u673a\u5bc6\u6027\u548c\u8ba4\u8bc1\u670d\u52a1\uff0c\u8ba9\u7528\u6237\u6709\u9009\u62e9\u7684\u4f7f\u7528\uff0c\u5e76\u5f97\u5230\u76f8\u5e94\u7684\u5b89\u5168\u670d\u52a1\u3002IPsec\u4e3b\u8981\u5305\u62ec\u5b89\u5168\u534f\u8bae\u90e8\u5206\u548c\u5bc6\u94a5\u534f\u5546\u90e8\u5206\u3002\u5b89\u5168\u534f\u8bae\u90e8\u5206\u5305\u62ecAH\u534f\u8bae\uff08Authentication Header\uff0c\u8ba4\u8bc1\u5934\uff09\u548cESP\u534f\u8bae\uff08Encapsulate Security Payload\uff0c\u5c01\u88c5\u5b89\u5168\u8f7d\u8377\uff09\u4e24\u79cd\u3002AH\u534f\u8bae\u63d0\u4f9b\u65e0\u8fde\u63a5\u7684\u5b8c\u6574\u6027\u3001\u6570\u636e\u6e90\u8ba4\u8bc1\u548c\u6297\u91cd\u653e\u7684\u4fdd\u62a4\u673a\u5236\uff0c\u4f46\u4e0d\u63d0\u4f9b\u673a\u5bc6\u6027\u7684\u4fdd\u62a4\u670d\u52a1\uff1b\u800cESP\u534f\u8bae\u5219\u4e3aIP\u534f\u8bae\u63d0\u4f9b\u4e86\u673a\u5bc6\u6027\u3001\u6570\u636e\u6e90\u9a8c\u8bc1\u3001\u6297\u91cd\u653e\u53ca\u5b8c\u6574\u6027\u7b49\u5b89\u5168\u670d\u52a1\uff0c\u5176\u4e2d\u673a\u5bc6\u6027\u662f\u57fa\u672c\u529f\u80fd\uff0c\u5176\u4ed6\u4e3a\u53ef\u9009\u529f\u80fd\u3002\u7531\u4e8eESP\u534f\u8bae\u662f\u5728AH\u534f\u8bae\u6295\u5165\u4f7f\u7528\u4ee5\u540e\u624d\u8bbe\u8ba1\u51fa\u6765\u7684\uff0c\u56e0\u6b64\u529f\u80fd\u8f83\u5c11\u7684AH\u5c06\u9010\u6b65\u9000\u51fa\u4e92\u8054\u7f51\u3002\u6b64\u5916\uff0cIPsec\u8fd8\u5305\u542b\u4e86\u5bc6\u94a5\u534f\u5546\u548c\u4ea4\u6362\u534f\u8bae\uff0c\u8d1f\u8d23\u5904\u7406\u901a\u4fe1\u53cc\u65b9\u7684\u534f\u8bae\u53ca\u7b97\u6cd5\u7684\u534f\u5546\uff0c\u4ea7\u751f\u5e76\u4ea4\u6362\u52a0\u5bc6\u548c\u8ba4\u8bc1\u5bc6\u94a5\uff0c\u4ee5\u5efa\u7acb\u901a\u4fe1\u53cc\u65b9\u7684\u5b89\u5168\u5173\u8054\uff08Security Association\uff0cSA\uff09\u3002IPsec\u534f\u8bae\u652f\u6301\u96a7\u9053\u6a21\u5f0f\u548c\u4f20\u8f93\u6a21\u5f0f\u3002\u96a7\u9053\u6a21\u5f0f\u5728IP\u6570\u636e\u5305\u7684\u524d\u540e\u5404\u6dfb\u52a0\u4e00\u4e9b\u76f8\u5173\u5b57\u6bb5\uff0c\u6784\u6210IPsec\u6570\u636e\u5305\uff0c\u518d\u5728IPsec\u8fd9\u4e2a\u6570\u636e\u5305\u4e0a\u52a0\u4e00\u4e2a\u65b0\u7684IP\u5934\uff0c\u8fd9\u6837\u4fdd\u62a4\u4e86\u539f\u59cb\u7684IP\u5934\u4fe1\u606f\u3002\u96a7\u9053\u6a21\u5f0f\u4e2d\u7684\u65b0IP\u5934\u4e0e\u539fIP\u5934\u7684\u6e90\u5730\u5740\u3001\u76ee\u7684\u5730\u5740\u90fd\u4e0d\u540c\uff0c\u5f53\u9700\u8981\u7ecf\u8fc7\u7f51\u5173\u6216\u8def\u7531\u5668\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u96a7\u9053\u6a21\u5f0f\u3002\u4f20\u8f93\u6a21\u5f0f\u4e2dIPsec\u53ea\u5bf9\u4f20\u8f93\u5c42\u6570\u636e\u8fdb\u884c\u5c01\u88c5\u4fdd\u62a4\uff0c\u4e0d\u4fdd\u62a4IP\u5934\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u53ea\u7528\u4e8e\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u7531\u4e8e\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\uff0cIPsec\u53ef\u4ee5\u4e3a\u4efb\u4f55\u7f51\u7edc\u5c42\u4ee5\u4e0a\u7684\u5e94\u7528\u63d0\u4f9b\u5b89\u5168\u4fdd\u62a4\u673a\u5236\uff0c\u800c\u65e0\u9700\u7f51\u7edc\u5e94\u7528\u518d\u8fdb\u884c\u5176\u4ed6\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002\u7531\u4e8eIPsec\u534f\u8bae\u4e0d\u4ec5\u80fd\u63d0\u4f9b\u96a7\u9053\u529f\u80fd\uff0c\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u6570\u636e\u52a0\u5bc6\u3001\u8eab\u4efd\u8ba4\u8bc1\u7b49\u5b89\u5168\u670d\u52a1\uff0c\u56e0\u6b64\u6210\u4e3a\u5e94\u7528\u5e7f\u6cdb\u7684\u4e00\u79cdVPN\u5b9e\u65bd\u65b9\u6848\u3002IPsec\u80fd\u5bf9\u6240\u6709\u6765\u81ea\u4e0a\u5c42\u7684\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u8fd8\u80fd\u591f\u4fdd\u62a4\u539f\u59cb\u7684IP\u5934\u90e8\uff0c\u4f46\u6709\u65f6\u4eba\u4eec\u5e0c\u671b\u80fd\u6709\u4e00\u4e9b\u66f4\u4e3a\u201c\u8f7b\u91cf\u7ea7\u201d\u7684\u52a0\u5bc6\u4fdd\u62a4\uff0c\u80fd\u591f\u63d0\u4f9b\u7aef\u5230\u7aef\u800c\u4e0d\u662f\u4e3b\u673a\u5230\u4e3b\u673a\u7684\u5b89\u5168\u9632\u62a4\u3002\u8fd9\u65f6\u5c31\u9700\u8981\u6709\u9ad8\u5c42\u5b89\u5168\u534f\u8bae\u4e86\u3002<\/p>\n
\u4f20\u8f93\u5c42\u5b89\u5168\u534f\u8bae\u4e3b\u8981\u662fTLS\uff08Transport Layer Security\uff09\uff0c\u524d\u8eab\u662fSSL\uff08Secure Socket Layer\uff09\u3002TLS\u534f\u8bae\u5728\u4f20\u8f93\u5c42\u4e0a\u901a\u8fc7\u5bc6\u7801\u5b66\u7b97\u6cd5\uff0c\u652f\u6301\u5728\u4e92\u8054\u7f51\u4e0a\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\u548c\u901a\u4fe1\u6570\u636e\u673a\u5bc6\u6027\u4fdd\u62a4\uff0c\u80fd\u591f\u9632\u6b62\u6570\u636e\u7684\u76d1\u542c\u3001\u7be1\u6539\u548c\u4f2a\u9020\u7b49\uff0c\u4e3a\u5e94\u7528\u5c42\u7684\u7f51\u7edc\u901a\u4fe1\u63d0\u4f9b\u4e86\u5b89\u5168\u7684\u7aef\u5230\u7aef\u4f20\u8f93\u670d\u52a1\uff0c\u4ece\u800c\u5728Web\u6d4f\u89c8\u3001\u7535\u5b50\u90ae\u4ef6\u7b49\u7f51\u7edc\u5e94\u7528\u4e2d\u5f97\u5230\u5e7f\u6cdb\u4f7f\u7528\u3002TLS\u534f\u8bae\u5206\u4e3aTLS\u8bb0\u5f55\u534f\u8bae\u548cTLS\u63e1\u624b\u534f\u8bae\u4e24\u90e8\u5206\uff0c\u5176\u4e2d\u8bb0\u5f55\u534f\u8bae\u4f4d\u4e8eTCP\u4e4b\u4e0a\uff0c\u4f7f\u7528\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u5c01\u88c5\u5404\u79cd\u9ad8\u5c42\u534f\u8bae\u6570\u636e\uff0c\u7528HMAC\u8fdb\u884c\u6570\u636e\u7684\u5b8c\u6574\u6027\u6821\u9a8c\uff1b\u63e1\u624b\u534f\u8bae\u5219\u5728\u5e94\u7528\u5c42\u6570\u636e\u4f20\u8f93\u4e4b\u524d\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff0c\u5e76\u534f\u5546\u52a0\u5bc6\u7b97\u6cd5\u548c\u52a0\u5bc6\u5bc6\u94a5\uff0c\u8fd9\u6837\u8bb0\u5f55\u534f\u8bae\u5c31\u80fd\u4f7f\u7528\u8be5\u5bc6\u94a5\u8fdb\u884c\u52a0\u5bc6\u4e86\u3002\u4e00\u4e9b\u5382\u5546\u5c06TLS\u7528\u4e8e\u6784\u5efaSSL VPN\u4ea7\u54c1\uff0c\u4e0e\u4f20\u7edf\u7684IPsec VPN\u6280\u672f\u76f8\u6bd4\uff0cTLS\u5728\u9632\u706b\u5899\u548c\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u8bbe\u5907\u7a7f\u8d8a\u65b9\u9762\u5177\u6709\u5185\u5728\u7684\u4f18\u52bf\uff0c\u4f7f\u5176\u5728\u6709\u5927\u91cf\u8fdc\u7a0b\u7528\u6237\u8bbf\u95ee\u7684\u73af\u5883\u4e2d\u66f4\u6613\u4f7f\u7528\u548c\u7ba1\u7406\u3002<\/p>\n
\u5e94\u7528\u5c42\u5b89\u5168\u534f\u8bae\u7684\u7279\u70b9\u5728\u4e8e\u4f1a\u9488\u5bf9\u4e0d\u540c\u5e94\u7528\u7684\u5b89\u5168\u9700\u6c42\u6765\u8bbe\u8ba1\u4e0d\u540c\u7684\u5b89\u5168\u673a\u5236\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u7075\u6d3b\u6027\uff0c\u5982HTTPS\u3001S\/MIME\u7b49\u3002HTTPS\u534f\u8bae\u4e3b\u8981\u7528\u4e8e\u5bf9Web\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u4e00\u822c\u7684\u7535\u5b50\u5546\u52a1\u3001\u94f6\u884c\u6216\u5176\u4ed6\u6d89\u53ca\u5230\u8d26\u53f7\u7684\u7f51\u7ad9\u90fd\u4f1a\u91c7\u7528HTTPS\u8fdb\u884c\u8fde\u63a5\uff0c\u4ece\u800c\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u7b49\uff0c\u9632\u6b62\u88ab\u7a83\u542c\u3001\u4f2a\u9020\u7b49\u3002\u73b0\u5728\u4f7f\u7528HTTPS\u7684\u7f51\u7ad9\u8d8a\u6765\u8d8a\u591a\u4e86\uff0c\u5df2\u7ecf\u4e0d\u9650\u4e8e\u7535\u5b50\u5546\u52a1\u7b49\u8fd9\u7c7b\u7f51\u7ad9\u4e86\u3002S\/MIME\u662f\u7535\u5b50\u90ae\u4ef6\u7684\u52a0\u5bc6\u6807\u51c6\uff0c\u5728MIME\u534f\u8bae\u4e0a\u52a0\u5165\u4e86\u6570\u5b57\u7b7e\u540d\u548c\u52a0\u5bc6\u529f\u80fd\uff0c\u80fd\u5bf9\u7528\u6237\u8eab\u4efd\u8fdb\u884c\u8ba4\u8bc1\uff0c\u540c\u65f6\u907f\u514d\u4e86\u7535\u5b50\u90ae\u4ef6\u6570\u636e\u7684\u660e\u6587\u4f20\u8f93\u5e26\u6765\u7684\u98ce\u9669\u3002\u5e94\u7528\u5c42\u5b89\u5168\u534f\u8bae\u80fd\u591f\u6839\u636e\u4e0d\u540c\u5e94\u7528\u7684\u5b89\u5168\u9700\u6c42\u5b9a\u5236\u5b89\u5168\u529f\u80fd\uff0c\u5728\u8bbe\u8ba1\u4e0a\u4e0d\u9700\u8981\u5bf9\u5e95\u5c42\u534f\u8bae\u7684\u4f9d\u8d56\uff0c\u7075\u6d3b\u5ea6\u9ad8\uff0c\u5e94\u7528\u5e7f\u6cdb\u3002<\/p>\n
\u5b89\u5168\u662f\u548c\u6613\u7528\u6027\u6210\u53cd\u6bd4\u7684\uff0c\u540c\u65f6\u5b89\u5168\u7684\u5b9e\u73b0\u4e5f\u8981\u727a\u7272\u4e00\u5b9a\u7684\u6548\u7387\uff0c\u4f46\u968f\u7740\u8ba1\u7b97\u673a\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5b9e\u73b0\u5b89\u5168\u5e26\u6765\u7684\u4ee3\u4ef7\u8d8a\u6765\u8d8a\u5c0f\uff0c\u5b89\u5168\u534f\u8bae\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u591a\u3002\u5728\u9009\u62e9\u8981\u4f7f\u7528\u54ea\u4e00\u5c42\u7684\u5b89\u5168\u534f\u8bae\u4e4b\u524d\uff0c\u8981\u5148\u5206\u6790\u5404\u534f\u8bae\u7684\u4f18\u7f3a\u70b9\uff0c\u7ed3\u5408\u81ea\u8eab\u7684\u9700\u6c42\u8fdb\u884c\u9009\u53d6\u3002\u6b63\u5982\u524d\u6587\u4e2d\u6240\u63d0\u5230\u7684\uff0cIPsec VPN\u901a\u7528\u6027\u5f3a\uff0c\u4f46\u52a8\u6001\u8eab\u4efd\u8ba4\u8bc1\u529f\u80fd\u8f83\u5f31\uff0c\u9002\u5408\u63a5\u5165\u6570\u91cf\u76f8\u5bf9\u7a33\u5b9a\u7684\u573a\u666f\uff0c\u800c\u5176\u529f\u80fd\u590d\u6742\uff0c\u901a\u5e38\u9700\u8981\u7528\u4e13\u7528\u7684\u5ba2\u6237\u7aef\u6765\u8fdb\u884c\u8fde\u63a5\u3002\u6240\u4ee5\u4e3a\u4e86\u4e00\u4e9b\u7075\u6d3b\u6027\uff0c\u6709\u7684\u5355\u4f4d\u4f1a\u9009\u62e9\u4f7f\u7528SSL VPN\uff0c\u56e0\u4e3a\u5176\u4e0d\u4f1a\u5f71\u54cd\u539f\u6709\u7f51\u7edc\u62d3\u6251\uff0c\u53ef\u4ee5\u57fa\u4e8eB\/S\u67b6\u6784\uff0c\u65e0\u9700\u5b89\u88c5\u5ba2\u6237\u7aef\uff0c\u800c\u4e14\u6240\u6709\u7684\u63a7\u5236\u90fd\u662f\u57fa\u4e8e\u5e94\u7528\u5c42\u7684\uff0c\u53ef\u4ee5\u8fdb\u884c\u5185\u5bb9\u7684\u7ec6\u5206\uff0c\u540c\u65f6\u5176\u5728\u5b58\u5728\u5927\u91cf\u8fdc\u7a0b\u7528\u6237\u73af\u5883\u4e2d\u4e5f\u6709\u66f4\u597d\u7684\u7ba1\u7406\u6027\u3002<\/p>\n
\u9a6c\u514b\u601d\u4e3b\u4e49\u552f\u7269\u8fa9\u8bc1\u6cd5\u8ba4\u4e3a\uff0c\u4e0d\u540c\u7684\u4e8b\u7269\u6709\u4e0d\u540c\u7684\u7279\u70b9\uff0c\u540c\u4e00\u4e8b\u7269\u5728\u4e0d\u540c\u53d1\u5c55\u9636\u6bb5\u4e5f\u6709\u4e0d\u540c\u7684\u7279\u70b9\u3002\u56e0\u6b64\u5728\u9009\u53d6\u4f7f\u7528\u54ea\u4e00\u5c42\u7684\u5b89\u5168\u534f\u8bae\u65f6\u8981\u6839\u636e\u5b9e\u9645\u5e94\u7528\u60c5\u51b5\uff0c\u56e0\u5730\u5236\u5b9c\uff0c\u7efc\u5408\u8bbe\u8ba1\uff0c\u5168\u9762\u8861\u91cf\uff0c\u4ece\u800c\u8fbe\u5230\u6700\u597d\u7684\u6548\u679c\u3002<\/p>\n
<\/p>\n
\u53c2\u8003\u6587\u732e<\/strong><\/p>\n [1] \u8c22\u5e0c\u4ec1. \u8ba1\u7b97\u673a\u7f51\u7edc\uff08\u7b2c6\u7248\uff09[M]. \u5317\u4eac\uff1a\u7535\u5b50\u5de5\u4e1a\u51fa\u7248\u793e\uff0c2013.<\/p>\n [2] \u8bf8\u845b\u5efa\u4f1f. \u7f51\u7edc\u653b\u9632\u6280\u672f\u4e0e\u5b9e\u8df5[M]. \u5317\u4eac\uff1a\u7535\u5b50\u5de5\u4e1a\u51fa\u7248\u793e\uff0c2011.<\/p>\n [3] \u5d14\u9e3f. \u7f51\u7edc\u5b89\u5168\u6982\u8bba[M]. 2015.<\/p>\n [4] William Stallings\u8457\uff0c\u5218\u7389\u73cd\u7b49\u8bd1. \u5bc6\u7801\u7f16\u7801\u5b66\u4e0e\u7f51\u7edc\u5b89\u5168\u2014\u2014\u539f\u7406\u4e0e\u5b9e\u8df5\uff08\u7b2c\u4e94\u7248\uff09[M]. \u5317\u4eac\uff1a\u7535\u5b50\u5de5\u4e1a\u51fa\u7248\u793e\uff0c2012.<\/p>\n <\/p>\n \uff08\u672c\u6587\u4e3a\u4e2d\u56fd\u79d1\u5b66\u9662\u5927\u5b662017-2018\u5b66\u5e74\u7b2c\u4e00\u5b66\u671f\u300a\u7f51\u7edc\u4e0e\u7cfb\u7edf\u5b89\u5168\u300b\u8bfe\u7a0b\u5c0f\u4f5c\u4e1a\uff0c\u5b8c\u6210\u65f6\u95f4\u4e3a2017\u5e7411\u670824\u65e5\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":" \u6b63\u5982\u5d14\u5065\u5728\u300a\u4e0d\u662f\u6211\u4e0d\u660e\u767d\u300b\u4e2d\u5531\u7684\u90a3\u6837\uff0c\u201c\u4e0d\u662f\u6211\u4e0d\u660e\u767d\uff0c\u8fd9\u4e16\u754c\u53d8\u5316\u5feb\u3002\u201d\u5c3d\u7ba1\u4eba\u4eec\u548c\u5404\u5382\u5bb6\u4ecd\u9075\u5faa\u8fd9\u4e2a\u5c42\u6b21\u5212\u5206\u6765\u8bbe\u8ba1 […]<\/p>\n","protected":false},"author":1,"featured_media":316,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-315","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/posts\/315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=315"}],"version-history":[{"count":2,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions"}],"predecessor-version":[{"id":321,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions\/321"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=\/wp\/v2\/media\/316"}],"wp:attachment":[{"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.91tfboys.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}