{"id":221,"date":"2024-04-09T14:09:03","date_gmt":"2024-04-09T14:09:03","guid":{"rendered":"https:\/\/blog.devops955.com\/swain\/?p=221"},"modified":"2024-04-09T14:09:03","modified_gmt":"2024-04-09T14:09:03","slug":"ipsec-notes","status":"publish","type":"post","link":"https:\/\/blog.devops955.com\/swain\/zh\/2024\/04\/09\/ipsec-notes\/","title":{"rendered":"IPSec\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<blockquote>\n<p>\u9884\u8ba1\u9605\u8bfb18\u5206\u949f<\/p>\n<\/blockquote>\n<h1>IPSec\u57fa\u7840\u7b80\u4ecb<\/h1>\n<p><strong>IPSec(Internet Protocol Security)<\/strong> \u662f\u4e00\u79cd\u5b89\u5168\u7f51\u7edc\u534f\u8bae\u5957\u4ef6\uff0c\u7528\u4e8e\u5728IP\u7f51\u7edc\u4e2d\u5b9e\u73b0\u5b89\u5168\u901a\u4fe1\u3002\u5b83\u53ef\u4ee5\u4e3aIPv4\u548cIPv6\u63d0\u4f9b\u52a0\u5bc6\u548c\u8ba4\u8bc1\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u771f\u5b9e\u6027\u3002IPSec\u65e8\u5728\u4fdd\u62a4\u6570\u636e\u4e0d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3001\u7a83\u542c\u3001\u7be1\u6539\u6216\u5176\u4ed6\u5f62\u5f0f\u7684\u653b\u51fb\u3002<br \/>\nIPSec\u6700\u521d\u662f\u4e3a\u4e86\u89e3\u51b3\u4e92\u8054\u7f51\u4e0a\u7684\u5b89\u5168\u901a\u4fe1\u95ee\u9898\u800c\u5f00\u53d1\u7684\uff0c\u5b83\u7684\u53d1\u5c55\u53ef\u4ee5\u8ffd\u6eaf\u52301990\u5e74\u4ee3\uff0c\u968f\u7740\u4e92\u8054\u7f51\u7684\u666e\u53ca\u548c\u4f7f\u7528\u8303\u56f4\u4e0d\u65ad\u589e\u52a0\uff0c\u968f\u4e4b\u800c\u6765\u7684\u5b89\u5168\u95ee\u9898\u4e5f\u65e5\u76ca\u7a81\u51fa\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0cIPSec\u6807\u51c6\u88ab\u5236\u5b9a\u51fa\u6765\uff0c\u6210\u4e3a\u786e\u4fdd\u4e92\u8054\u7f51\u901a\u4fe1\u5b89\u5168\u7684\u5173\u952e\u6280\u672f\u4e4b\u4e00\u3002<br \/>\nIPSec\u76ee\u524d\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f01\u4e1a\u3001\u653f\u5e9c\u673a\u6784\u548c\u4e2a\u4eba\u7684\u865a\u62df\u79c1\u4eba\u7f51\u7edc\uff08VPN\uff09\u8fde\u63a5\uff0c\u53ef\u4ee5\u5f88\u597d\u7684\u4fdd\u62a4\u7f51\u7edc\u5c42\u6570\u636e\u4f20\u8f93\u3002\u901a\u8fc7IPSec\u5efa\u7acb\u52a0\u5bc6\u96a7\u9053\uff0c\u7ec4\u7ec7\u6216\u4e2a\u4eba\u53ef\u4ee5\u786e\u4fdd\u5176\u6570\u636e\u5728\u4e92\u8054\u7f51\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\uff0c\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u548c\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<h2>IPsec\u7ed3\u6784<\/h2>\n<p><strong>IPsec<\/strong> \u7531\u4ee5\u4e0b\u534f\u8bae\u7ec4\u6210\uff1a<\/p>\n<ul>\n<li><strong>AH(Authentication Header)<\/strong> \u4e3a IP \u6570\u636e\u62a5\u63d0\u4f9b\u65e0\u8fde\u63a5\u7684\u6570\u636e\u5b8c\u6574\u6027\u548c\u6570\u636e\u6765\u6e90\u8ba4\u8bc1\uff0c\u5e76\u63d0\u4f9b\u5bf9 IP \u5934\u4fee\u6539\u653b\u51fb\u548c\u91cd\u653e\u653b\u51fb\u7684\u4fdd\u62a4\u3002<\/li>\n<li><strong>ESP(Encapsulating Security Payload)<\/strong> \u63d0\u4f9b\u4fdd\u5bc6\u6027\u3001\u65e0\u8fde\u63a5\u7684\u6570\u636e\u5b8c\u6574\u6027\u3001\u6570\u636e\u6765\u6e90\u8ba4\u8bc1\u3001\u53cd\u91cd\u653e\u670d\u52a1\uff08\u4e00\u79cd\u5f62\u5f0f\u7684\u90e8\u5206\u5e8f\u5217\u5b8c\u6574\u6027\uff09\u4ee5\u53ca\u6709\u9650\u7684\u6d41\u91cf\u6d41\u4fdd\u5bc6\u6027\u3002<\/li>\n<li><strong>ISAKMP(Internet Security Association and Key Management Protocol)<\/strong> \u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u4e8e\u8ba4\u8bc1\u548c\u5bc6\u94a5\u4ea4\u6362\u7684\u6846\u67b6\uff0c\u5b9e\u9645\u7684\u8ba4\u8bc1\u5bc6\u94a5\u6750\u6599\u7531\u624b\u52a8\u914d\u7f6e\u7684\u9884\u5171\u4eab\u5bc6\u94a5\uff08Pre-shared Key\uff09\u3001\u4e92\u8054\u7f51\u5bc6\u94a5\u4ea4\u6362\uff08IKE \u548c IKEv2\uff09\u3001Kerberized \u4e92\u8054\u7f51\u5bc6\u94a5\u534f\u5546\uff08KINK\uff09\u6216 IPSECKEY DNS \u8bb0\u5f55\u63d0\u4f9b\u3002\u5176\u76ee\u7684\u662f\u751f\u6210\u5b89\u5168\u5173\u8054\uff08SA\uff09\uff0c\u5305\u62ec\u6267\u884c AH \u548c\/\u6216 ESP \u64cd\u4f5c\u6240\u9700\u7684\u7b97\u6cd5\u548c\u53c2\u6570\u96c6\u5408\u3002<\/li>\n<\/ul>\n<h2>IPsec\u62a5\u6587<\/h2>\n<p>IPSec\u62a5\u6587\u5206\u4e3a<strong>AH\u62a5\u6587<\/strong>\u548c<strong>ESP\u62a5\u6587<\/strong>\u4e24\u79cd\u3002<\/p>\n<h3>AH\u62a5\u6587<\/h3>\n<p>AH\u76f4\u63a5\u5728\u5de5\u4f5c\u5728IP\u4e0a\uff0c\u4f7f\u7528 <strong>IP \u534f\u8bae\u53f7 51<\/strong>\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Ipsec-ah.svg_.png\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Ipsec-ah.svg_-1024x512.png\" alt=\"\" \/><\/a><\/p>\n<p>\u4ed6\u7684\u62a5\u6587\u683c\u5f0f\u5982\u4e0b\uff1a<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image.png\" data-rel=\"lightbox-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image-1024x239.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li><strong>Next Header\uff088\u4f4d\uff09<\/strong> \u6307\u793a\u88ab\u4fdd\u62a4\u7684\u4e0a\u5c42\u534f\u8bae\u7684\u7c7b\u578b\uff0c\u53d6\u81ea <strong><em>IP\u534f\u8bae\u53f7\u5217\u8868<\/em><\/strong> \u3002<br \/>\n<blockquote>\n<p><a href=\"https:\/\/www.iana.org\/assignments\/protocol-numbers\/protocol-numbers.xhtml\">https:\/\/www.iana.org\/assignments\/protocol-numbers\/protocol-numbers.xhtml<\/a><br \/>\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_IP_protocol_numbers\">https:\/\/en.wikipedia.org\/wiki\/List_of_IP_protocol_numbers<\/a><\/p>\n<\/blockquote>\n<\/li>\n<li><strong>Payload Length\uff088\u4f4d\uff09<\/strong> \u4ee5 4 \u5b57\u8282\u7684\u500d\u6570\u8ba1\u7b97AH\u7684\u957f\u5ea6\u518d\u51cf2\u3002IPv6\u4e0b\uff0cAH\u7684\u5934\u90e8\u4e3a 8 \u5b57\u8282\u7684\u500d\u6570\u3002<\/li>\n<li><strong>Reserved\uff0816\u4f4d\uff09<\/strong> \u4fdd\u7559\u4f9b\u5c06\u6765\u4f7f\u7528\uff08\u76ee\u524d\u4e3a\u5168\u96f6\uff09\u3002<\/li>\n<li><strong>SPI\uff0832\u4f4d\uff09<\/strong> \u4e00\u4e2a\u534f\u5546\u7684\u4efb\u610f\u503c\uff0c\u7528\u4e8e\u63a5\u6536\u65b9\u8bc6\u522b\u5173\u8054SA\u3002<\/li>\n<li><strong>Sequence Number\uff0832\u4f4d\uff09<\/strong> \u4e00\u4e2a\u9012\u589e\u7684\u5e8f\u5217\u53f7\uff08\u6bcf\u53d1\u9001\u4e00\u4e2a\u5305\u589e\u52a0 1\uff09\u4ee5\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u5f53\u542f\u7528\u91cd\u653e\u68c0\u6d4b\u65f6\uff0c\u5e8f\u5217\u53f7\u6c38\u8fdc\u4e0d\u4f1a\u590d\u7528\uff0c\u5728\u5e8f\u5217\u53f7\u7528\u5230\u6700\u5927\u503c\u4e4b\u524d\uff0c\u5fc5\u987b\u91cd\u65b0\u534f\u5546\u4e00\u4e2a\u65b0\u7684SA\u3002<\/li>\n<li><strong>ICV\uff0832\u7684\u500d\u6570\uff09<\/strong> \u53d8\u957f\u68c0\u67e5\u503c\u3002\u7528\u4e8e\u586b\u5145 IPv6 \u7684 8 \u5b57\u8282\u6216 IPv4 \u7684 4 \u5b57\u8282\u3002<\/li>\n<\/ul>\n<h3>ESP\u62a5\u6587<\/h3>\n<p>ESP\u76f4\u63a5\u5728\u5de5\u4f5c\u5728IP\u4e0a\uff0c\u4f7f\u7528 <strong>IP \u534f\u8bae\u53f7 50<\/strong><br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/1200px-Ipsec-esp-tunnel-and-transport.svg_.png\" data-rel=\"lightbox-image-2\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/1200px-Ipsec-esp-tunnel-and-transport.svg_-1024x414.png\" alt=\"\" \/><\/a><\/p>\n<p>\u4ed6\u7684\u62a5\u6587\u683c\u5f0f\u5982\u4e0b\uff1a<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image-1.png\" data-rel=\"lightbox-image-3\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image-1-1024x359.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li><strong>SPI\uff0832\u4f4d\uff09<\/strong> \u4e00\u4e2a\u534f\u5546\u7684\u4efb\u610f\u503c\uff0c\u7528\u4e8e\u63a5\u6536\u65b9\u8bc6\u522bSA\u3002<\/li>\n<li><strong>Sequence Number\uff0832\u4f4d\uff09<\/strong> \u4e00\u4e2a\u9012\u589e\u7684\u5e8f\u5217\u53f7\uff08\u6bcf\u53d1\u9001\u4e00\u4e2a\u5305\u589e\u52a0 1\uff09\u4ee5\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u6bcf\u4e2aSA\u90fd\u6709\u4e00\u4e2a\u5355\u72ec\u7684\u8ba1\u6570\u5668\u3002<\/li>\n<li><strong>Payload data\uff08\u53ef\u53d8\u957f\u5ea6\uff09<\/strong> \u539f\u59cb IP \u6570\u636e\u5305\u7684\u53d7\u4fdd\u62a4\u5185\u5bb9\uff0c\u88ab\u4fdd\u62a4\u7684\u5185\u5bb9\u7c7b\u578b\u7531Next Header\u5b57\u6bb5\u8868\u793a\u3002<\/li>\n<li><strong>Padding\uff080-255\u5b57\u8282\uff09<\/strong> \u7528\u4e8e\u52a0\u5bc6\u7684\u586b\u5145\uff0c\u4ee5\u5c06\u6709\u6548\u8f7d\u8377\u6570\u636e\u6269\u5c55\u5230\u7b26\u5408\u52a0\u5bc6\u7684\u5bc6\u7801\u5757\u5927\u5c0f\uff0c\u5e76\u5bf9\u9f50\u4e0b\u4e00\u4e2a\u5b57\u6bb5\u3002<\/li>\n<li><strong>Pad Length\uff088\u4f4d\uff09<\/strong> \u586b\u5145\u7684\u5927\u5c0f\u3002<\/li>\n<li><strong>Next Header\uff088\u4f4d\uff09<\/strong> \u4e0b\u4e00\u4e2a\u5934\u90e8\u7684\u7c7b\u578b\u3002\u5176\u503c\u4ece IP \u534f\u8bae\u53f7\u5217\u8868\u4e2d\u53d6\u5f97\u3002<\/li>\n<li><strong>ICV\uff0832\u4f4d\u7684\u500d\u6570\uff09<\/strong> \u53d8\u957f\u68c0\u67e5\u503c\u3002\u5bf9\u9f50\u5230 IPv6 \u7684 8 \u5b57\u8282\u6216 IPv4 \u7684 4 \u5b57\u8282\uff0c\u5b83\u53ef\u80fd\u5305\u542b\u586b\u5145\u3002<\/li>\n<\/ul>\n<h2>IPsec\u5de5\u4f5c\u6a21\u5f0f<\/h2>\n<p>IPSec\u652f\u6301\u4e24\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff1a<strong>\u4f20\u8f93\u6a21\u5f0f\uff08Transport Mode\uff09<\/strong>\u548c<strong>\u96a7\u9053\u6a21\u5f0f\uff08Tunnel Mode\uff09<\/strong>\u3002<\/p>\n<p><a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Ipsec-modes.svg_.png\" data-rel=\"lightbox-image-4\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Ipsec-modes.svg_-1024x406.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li><strong>\u4f20\u8f93\u6a21\u5f0f<\/strong> \u901a\u5e38\u53ea\u6709 IP \u6570\u636e\u5305\u7684\u6570\u636e\u88ab\u52a0\u5bc6\u6216\u8ba4\u8bc1\u3002\u7531\u4e8e IP \u5934\u90e8\u6ca1\u6709\u88ab\u4fee\u6539\u6216\u52a0\u5bc6\uff0c\u8def\u7531\u8def\u5f84\u4fdd\u6301\u4e0d\u53d8\uff1b\u5f53\u4f7f\u7528AH\u65f6\uff0cIP \u5730\u5740\u4e0d\u80fd\u7ecf\u8fc7\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff08NAT\uff09\uff0c\u5426\u5219\u4f1a\u4f7f\u54c8\u5e0c\u503c\u65e0\u6548\u3002\u4f20\u8f93\u5c42\u548c\u5e94\u7528\u5c42\u603b\u662f\u901a\u8fc7\u54c8\u5e0c\u8fdb\u884c\u4fdd\u62a4\uff0c\u56e0\u6b64\u5b83\u4eec\u4e0d\u80fd\u88ab\u4fee\u6539\uff0c\u5305\u62ec\u7aef\u53e3\u53f7\u7b49\u3002<\/li>\n<li><strong>\u96a7\u9053\u6a21\u5f0f<\/strong> \u5728\u96a7\u9053\u6a21\u5f0f\u4e2d\uff0c\u6574\u4e2a IP \u6570\u636e\u5305\u90fd\u88ab\u52a0\u5bc6\u548c\u8ba4\u8bc1\u3002\u7136\u540e\uff0c\u5b83\u88ab\u5c01\u88c5\u5230\u4e00\u4e2a\u5916\u5c42\u65b0 IP \u5934\u90e8\u7684\u65b0 IP \u6570\u636e\u5305\u4e2d\u3002\u96a7\u9053\u6a21\u5f0f\u7528\u4e8e\u521b\u5efaVPN\u7ad9\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5305\u62ec\u4e3b\u673a\u5230\u7f51\u7edc\u901a\u4fe1\u548c\u4e3b\u673a\u5230\u4e3b\u673a\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h2>IPSec\u52a0\u5bc6\u7b97\u6cd5<\/h2>\n<p>IPSec\u5e38\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5\u5305\u62ec\uff1a<br \/>\n<strong>\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li><strong>AES<\/strong>\uff1a\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u652f\u6301128\u4f4d(AES128)\u3001192\u4f4d(AES192)\u548c256\u4f4d(AES256)\u7684\u5bc6\u94a5\u957f\u5ea6\u3002<\/li>\n<li><strong>DES<\/strong>\uff1a\u4e00\u79cd\u8f83\u65e7\u7684\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u4f46\u7531\u4e8e\u5176\u5bc6\u94a5\u957f\u5ea6\u8f83\u77ed\uff0856\u4f4d\uff09\uff0c\u73b0\u5728\u5df2\u7ecf\u4e0d\u591f\u5b89\u5168\u5f88\u5c11\u4f7f\u7528\u3002<\/li>\n<li><strong>3DES<\/strong>\uff1aDES\u7684\u589e\u5f3a\u7248\u672c\uff0c\u901a\u8fc7\u5e94\u7528\u4e09\u6b21DES\u6765\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li><strong>Diffe-Hellman(DH)<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u79bb\u6563\u5bf9\u6570\u7684\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u7aef\u4e4b\u95f4\u5efa\u7acb\u5171\u4eab\u5bc6\u94a5\u3002<\/li>\n<\/ul>\n<p><strong>\u8eab\u4efd\u9a8c\u8bc1\u7b97\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li><strong>RSA<\/strong>\uff1a\u4e00\u79cd\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u901a\u8fc7\u516c\u94a5\u548c\u79c1\u94a5\u7684\u914d\u5408\u4f7f\u7528\u6765\u52a0\u5bc6\u548c\u89e3\u5bc6\u6570\u636e\u3002<\/li>\n<li><strong>PSK<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u9884\u5171\u4eab\u5bc6\u94a5\u7684\u8eab\u4efd\u9a8c\u8bc1\u7b97\u6cd5\uff0c\u4e0d\u9700\u8981\u4f7f\u7528\u516c\u94a5\u548c\u79c1\u94a5\uff0c\u53ea\u9700\u8981\u5728\u4e24\u7aef\u9884\u914d\u7f6e\u4e00\u4e2a\u5171\u4eab\u5bc6\u94a5\u3002<\/li>\n<li><strong>ECDSA<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u692d\u5706\u66f2\u7ebf\u7684\u516c\u5f00\u5bc6\u94a5\u52a0\u5bc6\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n<p>IPsec\u4e3b\u8981\u4f7f\u7528\u5bf9\u79f0\u52a0\u5bc6\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u52a0\u5bc6\uff0c\u975e\u5bf9\u79f0\u52a0\u5bc6\u4e3b\u8981\u7528\u4e8e\u5bc6\u94a5\u4ea4\u6362(IKE)\u9636\u6bb5\u3002<\/p>\n<h2>\u5b89\u5168\u5173\u8054\uff08SA\uff09<\/h2>\n<p>IPSec\u4f7f\u7528<strong>\u5b89\u5168\u5173\u8054\uff08Security association\uff09<\/strong>\u6765\u5efa\u7acb\u548c\u7ba1\u7406\u52a0\u5bc6\u548c\u8ba4\u8bc1\u53c2\u6570\u3002SA\u662f\u4e24\u4e2a\u901a\u4fe1\u5b9e\u4f53\u4e4b\u95f4\u7684\u4e00\u7ec4\u5b89\u5168\u53c2\u6570\uff0c\u5305\u62ec\u52a0\u5bc6\u7b97\u6cd5\u3001\u5bc6\u94a5\u3001\u54c8\u5e0c\u7b97\u6cd5\u7b49\u3002<br \/>\nIPsec\u7684SA\u662f\u901a\u8fc7\u4e92\u8054\u7f51\u5b89\u5168\u5173\u8054\u548c\u5bc6\u94a5\u7ba1\u7406\u534f\u8bae\uff08ISAKMP\uff09\u5efa\u7acb\u7684\u3002ISAKMP \u901a\u8fc7\u624b\u52a8\u914d\u7f6e\u9884\u5171\u4eab\u5bc6\u94a5\u3001\u4e92\u8054\u7f51\u5bc6\u94a5\u4ea4\u6362\uff08IKE \u548c IKEv2\uff09\u7b49\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002<br \/>\n\u4e3a\u4e86\u786e\u5b9a\u6570\u636e\u5305\u5e94\u600e\u6837\u6765\u4fdd\u62a4\uff0cIPsec\u4f7f\u7528\u5b89\u5168\u53c2\u6570\u7d22\u5f15\uff08SPI\uff09\uff0c\u8fd9\u662f\u4e00\u4e2a\u5bf9\u5b89\u5168\u5173\u8054\u6570\u636e\u5e93\uff08SADB\uff09\u7684\u7d22\u5f15\uff0c\u518d\u52a0\u4e0a\u6570\u636e\u5305\u5934\u90e8\u7684\u76ee\u7684\u5730\u5740\uff0c\u8fd9\u4e24\u8005\u5171\u540c\u6807\u8bc6\u4e86\u552f\u4e00\u6570\u636e\u5305\u7684SA\u3002<br \/>\n\u5bf9\u4e8e\u51fa\u7ad9\u548c\u5165\u7ad9\u6570\u636e\u5305\uff0c\u90fd\u4f1a\u6267\u884c\u7c7b\u4f3c\u7684\u8fc7\u7a0b\uff0c\u56e0\u6b64IPsec\u901a\u4fe1\u9700\u8981\u81f3\u5c11\u4e24\u4e2aSA\uff08\u4e00\u4e2a\u7528\u4e8e\u5165\u7ad9\u6d41\u91cf\uff0c\u4e00\u4e2a\u7528\u4e8e\u51fa\u7ad9\u6d41\u91cf\uff09\u3002IPSec\u901a\u5e38\u4f7f\u7528<strong>IKE\uff08Internet Key Exchange\uff09<\/strong> \u534f\u8bae\u6765\u5efa\u7acb\u3001\u534f\u5546\u548c\u7ba1\u7406SA\u3002<\/p>\n<h2>\u4e92\u8054\u7f51\u5bc6\u94a5\u4ea4\u6362\uff08IKE\uff09<\/h2>\n<p>IPsec\u4e2dIKE\u534f\u8bae\u91c7\u7528UDP 500\u7aef\u53e3\u53d1\u8d77\u548c\u54cd\u5e94\u534f\u5546\uff0c\u5728NAT\u573a\u666f\u4e0b\uff0c\u4f7f\u7528UDP 4500\u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<h3>IKEv1\u548cIKEv2<\/h3>\n<p><strong>IKEv1<\/strong>\u5305\u542b\u4e24\u4e2a\u9636\u6bb5\uff0cIKE phase 1\u548cIKE phase 2\u3002<\/p>\n<ol>\n<li>\n<p>IKE\u9636\u6bb51<br \/>\nIKE\u9636\u6bb51\u7684\u76ee\u6807\u662f\u5efa\u7acb\u4e00\u4e2a\u5b89\u5168\u7684\u3001\u52a0\u5bc6\u7684\u901a\u9053\uff0c\u7528\u4e8e\u4e24\u4e2a\u901a\u4fe1\u5b9e\u4f53\u4e4b\u95f4\u7684\u5b89\u5168\u901a\u4fe1\u3002\u8fd9\u4e2a\u9636\u6bb5\u4e3b\u8981\u5bf9\u901a\u4fe1\u53cc\u65b9\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u5e76\u4e14\u534f\u5546\u4e00\u4e2a\u5171\u4eab\u7684\u4f1a\u8bdd\u5bc6\u94a5\uff0c\u8be5\u5bc6\u94a5\u5c06\u7528\u4e8eIKE\u9636\u6bb52\u7684\u901a\u4fe1\u52a0\u5bc6\u3002IKE\u9636\u6bb51\u6709\u4e24\u79cd\u6a21\u5f0f\uff1a\u4e3b\u6a21\u5f0f\uff08Main Mode\uff09\u548c\u4fb5\u5165\u6a21\u5f0f\uff08Aggressive Mode\uff09\uff0c\u5176\u4e2d\u4e3b\u6a21\u5f0f\u63d0\u4f9b\u66f4\u597d\u7684\u5b89\u5168\u6027\uff0c\u4f46\u662f\u4fb5\u5165\u6a21\u5f0f\u66f4\u5feb\u3002<br \/>\n\u5728\u9636\u6bb51\u5b8c\u6210\u540e\uff0c\u53cc\u65b9\u5c06\u5efa\u7acb\u4e00\u4e2a<strong>IKE SA<\/strong>\uff0c\u8fd9\u4e2aSA\u662f\u4e13\u7528\u4e8eIKE\u81ea\u8eab\u6d88\u606f\u7684\u5b89\u5168\u901a\u9053\uff0c\u5e76\u4e0d\u7528\u4e8eIPsec\u4f20\u8f93\u6570\u636e\u7684\u4fdd\u62a4\u3002<\/p>\n<\/li>\n<li>\n<p>IKE\u9636\u6bb52<br \/>\nIKE\u9636\u6bb52\u7684\u76ee\u7684\u662f\u4f7f\u7528\u9636\u6bb51\u4e2d\u5efa\u7acb\u7684\u5b89\u5168\u901a\u9053\u6765\u534f\u5546\u7528\u4e8e\u4fdd\u62a4IP\u6570\u636e\u5305\u7684IPsec SA\u53c2\u6570\u3002\u9636\u6bb52\u901a\u5e38\u4f7f\u7528\u5feb\u901f\u6a21\u5f0f\uff08Quick Mode\uff09\u7684\u4ea4\u6362\u6765\u5b9e\u73b0\u3002<br \/>\n\u5728\u9636\u6bb52\u5b8c\u6210\u540e\uff0c\u5c31\u5efa\u7acb\u4e86\u7528\u4e8e\u5b9e\u9645\u6570\u636e\u4f20\u8f93\u7684<strong>IPsec SA<\/strong>\u3002\u8fd9\u4e2aSA\u662f\u5355\u5411\u7684\uff0c\u56e0\u6b64\u901a\u5e38\u4f1a\u5efa\u7acb\u4e24\u4e2aSA\uff0c\u4e00\u4e2a\u7528\u4e8e\u5165\u7ad9\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u51fa\u7ad9\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>IKEv2<\/strong>\u662f\u5bf9IKEv1\u7684\u6539\u8fdb\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u548c\u66f4\u6709\u6548\u7684SA\u534f\u5546\u673a\u5236\u3002\u5b83\u7b80\u5316\u4e86\u534f\u8bae\u6d41\u7a0b\uff0c\u53ea\u5305\u542b\u4e00\u4e2a\u9636\u6bb5\uff0c\u8fd9\u4e2a\u9636\u6bb5\u65e2\u5efa\u7acb\u4e86IKE SA\uff0c\u4e5f\u534f\u5546\u4e86IPsec SA\u3002IKEv2\u8fd8\u5f15\u5165\u4e86\u8bb8\u591a\u6539\u8fdb\uff0c\u6bd4\u5982\u5bf9NAT\u7a7f\u8d8a\u7684\u652f\u6301\u3001EAP\u8ba4\u8bc1\u3001\u5bf9\u65ad\u5f00\u8fde\u63a5\u540e\u7684\u81ea\u52a8\u91cd\u65b0\u8fde\u63a5\u7b49\u3002<\/p>\n<h1>IPSec\u5de5\u4f5c\u6d41\u7a0b<\/h1>\n<h2>\u901a\u4fe1\u8fc7\u7a0b<\/h2>\n<ol>\n<li>\n<p>\u8bc6\u522b\u201c\u611f\u5174\u8da3\u6d41\uff08interested traffic\uff09\u201d\u3002\u7f51\u7edc\u8bbe\u5907\u63a5\u6536\u5230\u62a5\u6587\u540e\uff0c\u901a\u5e38\u4f1a\u5c06\u62a5\u6587\u7684\u4e94\u5143\u7ec4\u7b49\u4fe1\u606f\u548cIPsec\u7b56\u7565\u8fdb\u884c\u5339\u914d\u6765\u5224\u65ad\u62a5\u6587\u662f\u5426\u8981\u901a\u8fc7IPsec\u96a7\u9053\u4f20\u8f93\uff0c\u9700\u8981\u901a\u8fc7IPsec\u96a7\u9053\u4f20\u8f93\u7684\u6d41\u91cf\u901a\u5e38\u88ab\u79f0\u4e3a\u201c\u611f\u5174\u8da3\u6d41\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u534f\u5546\u5b89\u5168\u5173\u8054\uff08SA\uff09\u3002SA\u662f\u901a\u4fe1\u53cc\u65b9\u5bf9\u67d0\u4e9b\u534f\u5546\u8981\u7d20\u7684\u7ea6\u5b9a\uff0c\u6bd4\u5982\u53cc\u65b9\u4f7f\u7528\u7684\u5b89\u5168\u534f\u8bae\u3001\u6570\u636e\u4f20\u8f93\u91c7\u7528\u7684\u5c01\u88c5\u6a21\u5f0f\u3001\u534f\u8bae\u91c7\u7528\u7684\u52a0\u5bc6\u548c\u9a8c\u8bc1\u7b97\u6cd5\u3001\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u5bc6\u94a5\u7b49\uff0c\u901a\u4fe1\u53cc\u65b9\u4e4b\u95f4\u53ea\u6709\u5efa\u7acb\u4e86SA\uff0c\u624d\u80fd\u8fdb\u884c\u5b89\u5168\u7684\u6570\u636e\u4f20\u8f93\u3002<br \/>\n\u8bc6\u522b\u51fa\u611f\u5174\u8da3\u6d41\u540e\uff0c\u672c\u7aef\u7f51\u7edc\u8bbe\u5907\u4f1a\u5411\u5bf9\u7aef\u7f51\u7edc\u8bbe\u5907\u53d1\u8d77SA\u534f\u5546\u3002\u5728\u8fd9\u4e00\u9636\u6bb5\uff0c\u901a\u4fe1\u53cc\u65b9\u4e4b\u95f4\u901a\u8fc7IKE\u534f\u8bae\u5148\u534f\u5546\u5efa\u7acbIKE SA\uff08\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u548c\u5bc6\u94a5\u4fe1\u606f\u4ea4\u6362\uff09\uff0c\u7136\u540e\u5728IKE SA\u7684\u57fa\u7840\u4e0a\u534f\u5546\u5efa\u7acbIPsec SA\uff08\u7528\u4e8e\u6570\u636e\u5b89\u5168\u4f20\u8f93\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u4f20\u8f93\u3002IPsec SA\u5efa\u7acb\u6210\u529f\u540e\uff0c\u53cc\u65b9\u5c31\u53ef\u4ee5\u901a\u8fc7IPsec\u96a7\u9053\u4f20\u8f93\u6570\u636e\u4e86\u3002<br \/>\nIPsec\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\uff0c\u5728\u8fd9\u4e00\u9636\u6bb5\u9700\u8981\u901a\u8fc7AH\u6216ESP\u534f\u8bae\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u548c\u9a8c\u8bc1\u3002\u52a0\u5bc6\u673a\u5236\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u673a\u5bc6\u6027\uff0c\u9632\u6b62\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u7a83\u53d6\uff1b\u9a8c\u8bc1\u673a\u5236\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u771f\u5b9e\u53ef\u9760\uff0c\u9632\u6b62\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u4eff\u5192\u548c\u7be1\u6539\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image-2.png\" data-rel=\"lightbox-image-5\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/image-2-300x285.png\" alt=\"\" \/><\/a><br \/>\n\u5982\u56fe\u6240\u793a\uff0cIPsec\u53d1\u9001\u65b9\u4f1a\u4f7f\u7528\u52a0\u5bc6\u7b97\u6cd5\u548c\u52a0\u5bc6\u5bc6\u94a5\u5bf9\u62a5\u6587\u8fdb\u884c\u52a0\u5bc6\uff0c\u5c06\u539f\u59cb\u6570\u636e\u5c01\u88c5\u8d77\u6765\u3002\u7136\u540e\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u5206\u522b\u901a\u8fc7\u76f8\u540c\u7684\u9a8c\u8bc1\u7b97\u6cd5\u548c\u9a8c\u8bc1\u5bc6\u94a5\u5bf9\u52a0\u5bc6\u540e\u7684\u62a5\u6587\u8fdb\u884c\u5904\u7406\u5f97\u5230\u5b8c\u6574\u6027\u6821\u9a8c\u503cICV\u3002\u5982\u679c\u4e24\u7aef\u8ba1\u7b97\u7684ICV\u76f8\u540c\u5219\u8868\u793a\u8be5\u62a5\u6587\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u6ca1\u6709\u88ab\u7be1\u6539\uff0c\u63a5\u6536\u65b9\u5bf9\u9a8c\u8bc1\u901a\u8fc7\u7684\u62a5\u6587\u8fdb\u884c\u89e3\u5bc6\u5904\u7406\uff1b\u5982\u679cICV\u4e0d\u76f8\u540c\u5219\u76f4\u63a5\u4e22\u5f03\u62a5\u6587\u3002<\/p>\n<\/li>\n<li>\n<p>\u96a7\u9053\u62c6\u9664\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u901a\u4fe1\u53cc\u65b9\u4e4b\u95f4\u7684\u4f1a\u8bdd\u8001\u5316\u5373\u4ee3\u8868\u901a\u4fe1\u53cc\u65b9\u6570\u636e\u4ea4\u6362\u5df2\u7ecf\u5b8c\u6210\uff0c\u56e0\u6b64\u4e3a\u4e86\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\uff0c\u901a\u4fe1\u53cc\u65b9\u4e4b\u95f4\u7684\u96a7\u9053\u5728\u7a7a\u95f2\u65f6\u95f4\u8fbe\u5230\u4e00\u5b9a\u503c\u540e\u4f1a\u81ea\u52a8\u5220\u9664\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>IPsec\u6d41\u91cf\u5339\u914d<\/h2>\n<p>\u5728IPsec\u96a7\u9053\u914d\u7f6e\u4e2d\uff0c\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u6761\u4ef6\u662f\u786e\u4fdd\u4e24\u7aef\u7684\u611f\u5174\u8da3\u6d41\u914d\u7f6e\u5339\u914d\u3002\u4f8b\u5982A\u7ad9\u70b9\u7684\u5730\u5740\u4e3a10.0.1.0\/24\u548c10.0.2.0\/24\uff1bB\u7ad9\u70b9\u7684\u5730\u5740\u8303\u56f4\u4e3a10.10.10.0\/24\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u66f4\u597d\u7684\u517c\u5bb9\uff0c\u786e\u4fdd\u96a7\u9053\u7684\u6b63\u786e\u5efa\u7acb\uff1a<\/p>\n<ul>\n<li>A\u7ad9\u70b9\uff08\u672c\u5730\uff09\u7684\u7b56\u7565\u5e94\u5b9a\u4e49\u4e3a\u4ece10.0.1.0\/24\u548c10.0.2.0\/24\u5230B\u7ad9\u70b9\u7684\u76ee\u7684\u5b50\u7f5110.10.10.0\/24\u3002<\/li>\n<li>B\u7ad9\u70b9\uff08\u5bf9\u7aef\uff09\u7684\u7b56\u7565\u5e94\u8be5\u76f8\u5e94\u5730\u53cd\u6620\u8fd9\u4e00\u914d\u7f6e\uff0c\u4f46\u662f\u65b9\u5411\u76f8\u53cd\u3002\u56e0\u6b64B\u7ad9\u70b9\u9700\u8981\u5b9a\u4e4910.10.10.0\/24\u5230A\u7ad9\u70b9\u5bf9\u5e94\u768410.0.1.0\/24\u548c10.0.2.0\/24\uff0c\u800c\u5c3d\u91cf\u4e0d\u8981\u4f7f\u752810.10.10.0\/24\u5230A\u7ad9\u70b9\u768410.0.0.0\/22\u3002<\/li>\n<\/ul>\n<p>\u5f53\u4f60\u5c06\u591a\u4e2aC\u7c7b\u5730\u5740\uff08\u4f8b\u598210.0.0.0\/24 - 10.0.3.0\/24\uff09\u805a\u5408\u4e3a\u4e00\u4e2a\u8f83\u5927\u7684\u5b50\u7f51\u65f6\uff0c\u53ef\u80fd\u4f1a\u7531\u4e8e\u914d\u7f6e\u4e0d\u4e00\u81f4\u5bfc\u81f4\u8bbe\u5907\u95f4\u534f\u5546SA\u5931\u8d25\u7684\u95ee\u9898\uff0c\u56e0\u6b64\u8981\u5c06\u4e24\u8fb9\u7684\u7b56\u7565\u914d\u7f6e\u4e00\u81f4\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/topo.png\" data-rel=\"lightbox-image-6\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/topo-1024x308.png\" alt=\"\" \/><\/a><\/p>\n<p>\u4f8b\u5982\uff0cRouter-1\u914d\u7f6eacl\u4e3a\u4e24\u6761\u660e\u7ec6\uff0c\u4ed6\u5c06\u5efa\u7acb\u4e24\u6761\u51fa\u7ad9SA\uff08\u56e0\u4e3a\u6ca1\u6709\u6d3b\u8dc3\u7684\u6d41\u91cf\uff0c\u76ee\u524d\u6ca1\u6709\u5efa\u7acbIPSec SA)\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Router-1.png\" data-rel=\"lightbox-image-7\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Router-1-675x1024.png\" alt=\"\" \/><\/a><\/p>\n<p>Router-2\u914d\u7f6e\u7684\u5219\u4e3a\u805a\u5408\u7684\u7f51\u6bb5\uff0c\u4ed6\u5c31\u53ea\u4f1a\u5efa\u7acb\u4e00\u6761\u51fa\u7ad9SA\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Router-2.png\" data-rel=\"lightbox-image-8\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/Router-2.png\" alt=\"\" \/><\/a><\/p>\n<p>\u5f53VPC10(10.10.10.10)-&gt;VPC2(10.0.2.10)\u65f6<br \/>\nRouter-2\u4f1a\u6839\u636e\u81ea\u5df1\u7684\u611f\u5174\u8da3\u6d41\u914d\u7f6e\u534f\u5546\u5efa\u7acb<strong>\u51fa\u7ad9SA<\/strong><\/p>\n<ul>\n<li>\u6e90\u5730\u5740: 10.10.10.0\/24<\/li>\n<li>\u76ee\u7684\u5730\u5740: 10.0.0.0\/22<\/li>\n<li>SPI: TBD<\/li>\n<\/ul>\n<p>Router-1\u6536\u5230\u4f1a\u53d1\u73b0\u8fd9\u4e2a\u4e0d\u5728\u81ea\u5df1\u611f\u5174\u8da3\u6d41\u91cc\u9762\uff0c\u4e8e\u662f\u534f\u5546\u4e0d\u6210\uff0c\u4ece\u800c\u5bfc\u81f4\u65e0\u6cd5\u8bbf\u95ee\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/10.10.10.10.png\" data-rel=\"lightbox-image-9\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/10.10.10.10.png\" alt=\"\" \/><\/a><\/p>\n<p>\u53cd\u4e4b\uff0c\u5f53VPC2(10.0.2.10)-&gt;VPC10(10.10.10.10)\u65f6\uff0cRouter-1\u4f1a\u6839\u636e\u660e\u7ec6\u768410.0.2.0\/24\u523010.10.10.0\/24\u5efa\u7acb<strong>\u51fa\u7ad9SA<\/strong><\/p>\n<ul>\n<li>\u6e90\u5730\u5740: 10.0.2.0\/24<\/li>\n<li>\u76ee\u7684\u5730\u5740: 10.10.10.0\/24<\/li>\n<li>SPI: 0x77716905<\/li>\n<\/ul>\n<p>Router-2\u6536\u5230\u68c0\u67e5\u8fd9\u4e2a\u5b50\u7f51\u4f1a\u5339\u914d\u5230\u81ea\u5df1\u7684\u611f\u5174\u8da3\u6d41\uff0c\u4e8e\u662f\u6210\u529f\u534f\u5546\uff0c\u5efa\u7acb\u76f8\u5e94\u7684SA\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/10.0.2.10.jpg\" data-rel=\"lightbox-image-10\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/10.0.2.10.jpg\" alt=\"\" \/><\/a><\/p>\n<p>\u67e5\u770bRouter-1\u4f1a\u53d1\u73b0\uff0c\u5bf9\u5e94\u7684IPSec SA\u5df2\u7ecf\u5904\u4e8eactive\u72b6\u6001\uff0c\u5e76\u4e14outbound\u548cinbound\u90fd\u534f\u5546\u6210\u529f<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/rtr-1.jpg\" data-rel=\"lightbox-image-11\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/rtr-1-584x1024.jpg\" alt=\"\" \/><\/a><\/p>\n<p>\u518d\u67e5\u770bRouter-2\u53ef\u4ee5\u770b\u5230\uff0c\u5339\u914d\u5230\u611f\u5174\u8da3\u7684\u6d41\u540e\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u76f8\u5e94\u7684IPSec SA\u5e76\u4e14\u534f\u5546\u7684inbound\u548coutbound\u7684spi\u548cRouter-1\u4e00\u81f4\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/rtr-2.png\" data-rel=\"lightbox-image-12\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/rtr-2-587x1024.png\" alt=\"\" \/><\/a><\/p>\n<p>\u540c\u65f6\uff0c\u5f53\u6211\u4eec\u518d\u6b21\u5c1d\u8bd5\u4eceVPC10(10.10.10.10)-&gt;VPC2(10.0.2.10)\u7684\u8bbf\u95ee\uff0c\u5c06\u4f1a\u53d1\u73b0\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u65b0\u5efa\u7acb\u7684IPSec SA\u5b8c\u6210\u901a\u4fe1\u3002<br \/>\n<a href=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/sa2.png\" data-rel=\"lightbox-image-13\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/sa2.png\" alt=\"\" \/><\/a><\/p>\n<p>\u6240\u4ee5\uff0c\u5f53\u6211\u4eec\u5728\u6b63\u5f0f\u73af\u5883\u4e0b\u914d\u7f6eIPSec\u65f6\uff0c\u9700\u8981\u5c3d\u53ef\u80fd\u5f97\u4fdd\u6301\u4e24\u7aef\u914d\u7f6e\u4e00\u81f4\uff0c\u5426\u5219\u53ef\u80fd\u9020\u6210IPSec\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u7684\u95ee\u9898\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u867d\u7136IPSec\u770b\u8d77\u6765\u6bd4\u8f83\u590d\u6742\uff0c\u7528\u5230\u5f88\u591a\u534f\u8bae\uff0c\u6709\u5404\u79cd\u5404\u6837\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u4f46\u662f\u5c31\u7b80\u800c\u8a00\u4e4b\uff0c\u4f60\u5176\u5b9e\u4e0d\u9700\u8981\u8fc7\u6df1\u5165\u5730\u5173\u5fc3\u5b83\u4eec\u5177\u4f53\u600e\u4e48\u8fdb\u884c\u5b89\u5168\u7684\u534f\u5546\uff0c\u52a0\u5bc6\u7b97\u6cd5\u5982\u4f55\u5b8c\u6210\u6570\u636e\u52a0\u5bc6\uff0c\u4f60\u53ea\u9700\u8981\u5173\u5fc3\u5b83\u7684\u96a7\u9053\u5efa\u7acb\u9700\u8981\u7ecf\u8fc7\u54ea\u4e9b\u8fc7\u7a0b\uff0c\u5b83\u5185\u90e8\u6570\u636e\u8981\u80fd\u6b63\u5e38\u901a\u4fe1\u53c8\u9700\u8981\u7ecf\u8fc7\u600e\u6837\u7684\u8fc7\u7a0b\u3002<br \/>\n\u4e86\u89e3\u4e86\u8fd9\u4e9b\u5185\u5bb9\u4e4b\u540e\uff0c\u76f8\u4fe1\u4f1a\u6709\u52a9\u4e8e\u4f60\u7406\u89e3\u9700\u8981\u5b8c\u6210\u54ea\u4e9b\u5185\u5bb9\u624d\u80fd\u6210\u529f\u5efa\u7acbIPSec\u7ad9\u70b9\uff0c\u5e76\u5728\u7ef4\u62a4\u8fc7\u7a0b\u4e2d\u9047\u5230\u95ee\u9898\u65f6\uff0c\u5982\u4f55\u7f29\u5c0f\u95ee\u9898\u8303\u56f4\u5e76\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002<br \/>\n\u6700\u540e\uff0c\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u7684\u8bb2\u89e3\u8db3\u591f\u6e05\u6670\uff0c\u80fd\u591f\u5e2e\u52a9\u4f60\u52a0\u6df1\u5bf9IPSec\u7684\u7406\u89e3\u3002<\/p>\n<h1>\u5b9e\u7528\u5de5\u5177<\/h1>\n<p>IPsec \u6570\u636e\u5305\u957f\u5ea6\u8ba1\u7b97\u5de5\u5177\uff1a<br \/>\n<a href=\"https:\/\/ipsec-overhead-calculator.netsec.us\/\">https:\/\/ipsec-overhead-calculator.netsec.us\/<\/a><br \/>\n<a href=\"https:\/\/community.cisco.com\/legacyfs\/online\/legacy\/4\/8\/7\/27784-IPSec_Calculator_NAT_GRE-Key.htm\">https:\/\/community.cisco.com\/legacyfs\/online\/legacy\/4\/8\/7\/27784-IPSec_Calculator_NAT_GRE-Key.htm<\/a><\/p>\n<blockquote>\n<p>\u53c2\u8003\u8d44\u6599<br \/>\n<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/net_mgmt\/vpn_solutions_center\/2-0\/ip_security\/provisioning\/guide\/IPsecPG1.html\">https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/net_mgmt\/vpn_solutions_center\/2-0\/ip_security\/provisioning\/guide\/IPsecPG1.html<\/a><br \/>\n<a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc2409\">https:\/\/datatracker.ietf.org\/doc\/html\/rfc2409<\/a><br \/>\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/IPsec\">https:\/\/en.wikipedia.org\/wiki\/IPsec<\/a><br \/>\n<a href=\"https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1100193603\">https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1100193603<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u4e86IPSec\u7684\u57fa\u7840\u77e5\u8bc6\u548c\u5de5\u4f5c\u539f\u7406\u3002\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86IPSec\u7684\u7ed3\u6784\u3001\u62a5\u6587\u683c\u5f0f\u3001\u5de5\u4f5c\u6a21\u5f0f\u3001\u52a0\u5bc6\u7b97\u6cd5\u3001\u5b89\u5168\u5173\u8054\uff08SA\uff09\u3001\u4e92\u8054\u7f51\u5bc6\u94a5\u4ea4\u6362\uff08IKE\uff09\u7b49\u5185\u5bb9\uff0c\u5e76\u89e3\u91ca\u4e86IPSec\u7684\u5de5\u4f5c\u6d41\u7a0b\u548c\u6d41\u91cf\u5339\u914d\u8fc7\u7a0b\u3002<\/p>\n","protected":false},"author":3,"featured_media":219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[29],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/03\/R-C.png","_links":{"self":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/221"}],"collection":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/comments?post=221"}],"version-history":[{"count":12,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/221\/revisions"}],"predecessor-version":[{"id":416,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/221\/revisions\/416"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media\/219"}],"wp:attachment":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media?parent=221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/categories?post=221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/tags?post=221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}