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{"id":2225,"date":"2019-01-20T02:19:11","date_gmt":"2019-01-20T02:19:11","guid":{"rendered":"http:\/\/tech.memoecho.com\/?p=2225"},"modified":"2019-01-20T03:09:16","modified_gmt":"2019-01-20T03:09:16","slug":"ipsec-security-architecture-for-ip","status":"publish","type":"post","link":"http:\/\/tech.memoecho.com\/zh\/linux\/centos\/ipsec-security-architecture-for-ip\/","title":{"rendered":"IPsec\uff08IP\u5b89\u5168\u67b6\u6784\uff09"},"content":{"rendered":"<!-- WP QUADS Content Ad Plugin v. 2.0.19 -->\n<div class=\"quads-location quads-ad2\" id=\"quads-ad2\" style=\"float:none;margin:0px;\">\n\n <!-- WP QUADS - Quick AdSense Reloaded v.2.0.19 Content AdSense async --> \n\n\n<script type=\"text\/javascript\" >\nvar quads_screen_width = document.body.clientWidth;\nif ( quads_screen_width >= 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 1024  && quads_screen_width < 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 768  && quads_screen_width < 1024 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width < 768 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }\n<\/script>\n\n <!-- end WP QUADS --> \n\n\n<\/div>\n<p><\/p>\n<table width=\"830\">\n<tbody>\n<tr>\n<td width=\"830\" height=\"61\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u25c6<u><br \/>\n\u4ec0\u4e48\u662fIPsec\uff1f<\/u><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>IPsec\u662f\uff0c<a href=\"http:\/\/tech.memoecho.com\/zh\/linux\/vpn-encryption-system-1\/\" target=\"_blank\" rel=\"noopener\">\u52a0\u5bc6\u7cfb\u7edf<\/a>\u7528\u4e8e\u901a\u8fc7\u8be5\u6280\u672f\u4fdd\u62a4\u7f51\u7edc\u5c42\u6570\u636e\u7684\u5b89\u5168\u6027<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u8981\u5b8c\u6210\u7684\u534f\u8bae\u3002 IPsec\u7531\u8bf8\u5982AH\uff0cESP\u548cIKE\u4e4b\u7c7b\u7684\u534f\u8bae\u7ec4\u6210\u3002\u8fd9\u4e2aIPsec<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528VPN\u8fde\u63a5\uff0c\u5373\u4f7f\u5728\u8bf8\u5982\u56e0\u7279\u7f51\u7684\u516c\u5171\u57fa\u7840\u8bbe\u65bd\u4e2d\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5b89\u5168\u5730\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u25c6<u>IPsec\u5de5\u4f5c\u5c42<br \/>\n<\/u><\/p>\n<p>\u7531\u4e8eIPsec\u5728\u7f51\u7edc\u5c42\u8fd0\u884c\uff0c\u65e0\u8bba\u662f\u4f5c\u4e3a\u4e0a\u5c42\u7684\u4f20\u8f93\u5c42\u7684TCP\u8fd8\u662fUDP<\/p>\n<p>\u5b83\u6ca1\u6709\u95ee\u9898\uff0c\u5e76\u4e14\u6ca1\u6709\u9650\u5236\uff0c\u56e0\u6b64\u5b83\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f46\u662f\uff0c\u7f51\u7edc\u5c42<\/p>\n<p><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IP<\/span><br \/>\n<span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u4e00\u5b9a\u662f\u3002\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u5b83\u4e0eIPsec\u65e0\u5173\uff0c\u4f46SSL\u5728\u4f1a\u8bdd\u5c42\u5de5\u4f5c\u3002\u548c<br \/>\n\u7f51\u7edc\u5c42<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c\u4f20\u8f93\u5c42<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">TCP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u4e00\u5b9a\u662f\u3002\u56e0\u6b64\u6240\u6709TCP \/ IP<br \/>\n\u53ef\u4ee5\u4f7f\u7528\u201cHTTP \/ FTP \/ SMTP\u201d\u7b49\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u4e0d\u80fd\u4f7f\u7528UDP\u5e94\u7528\u7a0b\u5e8f\u3002<\/span><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz13.gif\" width=\"494\" height=\"342\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">* SSL\u5b8c\u5168\u9002\u7528\u4e8e\u4f20\u8f93\u5c42\u548c\u4f1a\u8bdd\u5c42\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<br \/>\n<\/span><\/p>\n<p>\u25c6<u>\u6784\u6210IPsec\u7684\u4e24\u4e2a\u534f\u8bae\u548c\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae<br \/>\n<\/u><\/p>\n<p>\u987e\u540d\u601d\u4e49\uff0cIPsec\u672c\u8eab\u5c31\u662f\u4e00\u79cd\u5b89\u5168\u67b6\u6784\u3002 IPsec\u662f<span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">AH<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">ESP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IKE<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u5982\u591a\u91cd<br \/>\n\u5b83\u7531\u534f\u8bae\u7ec4\u6210\u3002 AH\u4ee3\u8868\u201cAuthentication Header\u201d\uff0c\u987e\u540d\u601d\u4e49\uff0c\u4ee3\u8868\u8eab\u4efd\u9a8c\u8bc1\u529f\u80fd<\/span><\/p>\n<p>\u6211\u6709\u3002 ESP\u662f\u201cEncapsulated Security Payload\u201d\u7684\u7f29\u5199\uff0c\u52a0\u5bc6\u5e94\u7528\u4e8e\u6709\u6548\u8f7d\u8377\u90e8\u5206<\/p>\n<p>\u4f60\u53ef\u4ee5\u505a\u5230\u3002 IKE\u4ee3\u8868\u201cInternet Key Exchage\u201d\uff0c\u662f\u4e00\u79cd\u53ef\u4ee5\u4ea4\u6362\u5bc6\u94a5\u7684\u534f\u8bae\u3002<\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"136\" height=\"26\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IPsec\u534f\u8bae<\/span><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"491\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u89d2\u8272<\/span><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"161\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u534f\u8bae\u7c7b\u578b<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">AH<\/span><\/td>\n<td width=\"491\" height=\"76\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u9a8c\u8bc1\u6570\u636e\u5305\u662f\u5426\u672a\u88ab\u7be1\u6539\u3002 \uff08HMAC\uff09<br \/>\n\u00b7\u65e0\u6cd5\u8fdb\u884c\u6570\u636e\u5305\u52a0\u5bc6\u3002<\/span><\/p>\n<\/td>\n<td align=\"center\" width=\"161\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IP\u534f\u8bae\u53f751<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">ESP<\/span><\/td>\n<td width=\"491\" height=\"76\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u9a8c\u8bc1\u6570\u636e\u5305\u662f\u5426\u672a\u88ab\u7be1\u6539\u3002 \uff08HMAC\uff09<br \/>\n\u00b7\u5bf9\u6570\u636e\u5305\u7684\u6709\u6548\u8d1f\u8f7d\u90e8\u5206\u6267\u884c\u52a0\u5bc6\uff08DES\u62163DES\u6216AES\uff09\u3002<\/span><\/p>\n<\/td>\n<td align=\"center\" width=\"161\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IP\u534f\u8bae\u53f750<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"116\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IKE<\/span><\/td>\n<td width=\"491\" height=\"116\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u5b89\u5168\u4ea4\u6362\u5bc6\u94a5\u4fe1\u606f\u3002 IKE\u662f[ISAKMP \/ Oakley]\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u5728ISAKMP\u534f\u8bae\u4e0a\u5b9e\u73b0\u4e86Oakley\u5bc6\u94a5\u4ea4\u6362\u8fc7\u7a0b\u3002<\/span><\/p>\n<p>\u00b7Diffie-Hellman\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u662fOakley\u7ec4\u4ef6\u4e4b\u4e00\u3002<\/p>\n<p>&nbsp;<\/td>\n<td align=\"center\" width=\"161\" height=\"116\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">UDP\u7aef\u53e3\u53f7500<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u5bf9\u4e8eRFC 2406\u548cRFC 4303\u683c\u5f0f\u7684ESP<\/span><br \/>\n<span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">\u8eab\u4efd\u9a8c\u8bc1\u9884\u544a\u7247<\/span><br \/>\n<span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u6709\u4e00\u4e2a\u529f\u80fd\u3002\u6709\u4e86\u8fd9\u4e2a\uff0c\u4e0d\u7528AH\u5728\u4e00\u8d77<br \/>\n\u5b83\u53ef\u4ee5\u9632\u6b62\u7be1\u6539\u3002\u56e0\u6b64\uff0cIPsec\u53ef\u4ee5\u5728\u6ca1\u6709AH\u7684\u60c5\u51b5\u4e0b\u5355\u72ec\u914d\u7f6eESP\u548cIKE\u3002<\/span><\/p>\n<p>\u4f46\u662f\uff0c\u4f7f\u7528ESP\u7684\u8eab\u4efd\u9a8c\u8bc1\u9884\u544a\u7247\u529f\u80fd\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u5176\u5728IP\u5934\u90e8\u5206\u4e4b\u524d\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4e3a\u4ec0\u4e48ESP\u53ef\u4ee5\u5b9e\u73b0AH\uff0c\u5373\u4f7fESP\u53ef\u4ee5\u5b9e\u73b0\u6240\u6709\u5b89\u5168\u670d\u52a1<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\"><br \/>\n<img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz14.gif\" width=\"455\" height=\"221\" border=\"0\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"156\" height=\"26\"><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"638\" height=\"26\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz15.gif\" width=\"455\" height=\"296\" border=\"0\" \/><\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"156\" height=\"26\"><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"638\" height=\"26\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"31\"><\/td>\n<td width=\"638\" height=\"31\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz16.gif\" width=\"550\" height=\"513\" border=\"0\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00a0<\/span>\n<!-- WP QUADS Content Ad Plugin v. 2.0.19 -->\n<div class=\"quads-location quads-ad2\" id=\"quads-ad2\" style=\"float:none;margin:0px;\">\n\n <!-- WP QUADS - Quick AdSense Reloaded v.2.0.19 Content AdSense async --> \n\n\n<script type=\"text\/javascript\" >\nvar quads_screen_width = document.body.clientWidth;\nif ( quads_screen_width >= 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 1024  && quads_screen_width < 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 768  && quads_screen_width < 1024 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width < 768 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }\n<\/script>\n\n <!-- end WP QUADS --> \n\n\n<\/div>\n<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>","protected":false},"excerpt":{"rendered":"<p>\u25c6 \u4ec0\u4e48\u662fIPsec\uff1f &nbsp; IPsec\u662f\uff0c\u52a0\u5bc6\u7cfb\u7edf\u7528\u4e8e\u901a\u8fc7\u8be5\u6280\u672f\u4fdd\u62a4\u7f51\u7edc\u5c42\u6570\u636e\u7684\u5b89\u5168\u6027 \u8fd9\u662f\u4e00\u4e2a\u8981\u5b8c\u6210\u7684\u534f\u8bae\u3002 IPsec\u7531\u8bf8\u5982AH\uff0cESP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[27],"tags":[258],"pwapp_after_post_content":"","pwapp_before_post_content":"","androapp_header":"","pwapp_author":{"ID":1,"name":"enadmin","slug":"enadmin"},"pwapp_terms":{"category":[{"term_id":27,"name":"centos","slug":"centos","term_group":0,"term_taxonomy_id":27,"taxonomy":"category","description":"","parent":7,"count":21,"filter":"raw","cat_ID":27,"category_count":21,"category_description":"","cat_name":"centos","category_nicename":"centos","category_parent":7,"ID":27}],"post_tag":[{"term_id":258,"name":"IPsec","slug":"ipsec","term_group":0,"term_taxonomy_id":258,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","ID":258}]},"pwapp_feed_image_dimension_type":"preview","pwapp_post_image":"https:\/\/www.infraexpert.com\/studygif\/ipsecz13.gif","share_image":"https:\/\/www.infraexpert.com\/studygif\/ipsecz13.gif","featured_image_showhide":"show","pwapp_excerpt":"<p>\u25c6 \u4ec0\u4e48\u662fIPsec\uff1f &nbsp; IPsec\u662f\uff0c\u52a0\u5bc6\u7cfb\u7edf\u7528\u4e8e\u901a\u8fc7\u8be5\u6280\u672f\u4fdd\u62a4\u7f51\u7edc\u5c42\u6570\u636e\u7684\u5b89\u5168\u6027 \u8fd9\u662f\u4e00\u4e2a\u8981\u5b8c\u6210\u7684\u534f\u8bae\u3002 IPsec\u7531\u8bf8\u5982AH\uff0cESP [&hellip;]<\/p>\n","pwapp_title":"IPsec\uff08IP\u5b89\u5168\u67b6\u6784\uff09","androapp_image_list":[{"src":"https:\/\/www.infraexpert.com\/studygif\/ipsecz13.gif","height":200},{"src":"https:\/\/www.infraexpert.com\/studygif\/ipsecz14.gif","height":200},{"src":"https:\/\/www.infraexpert.com\/studygif\/ipsecz15.gif","height":200},{"src":"https:\/\/www.infraexpert.com\/studygif\/ipsecz16.gif","height":200}],"pwapp_post_content":"<style type=\"text\/css\">androapp img{\r\n    max-width: 100%;\r\n    height: auto;\r\n}\r\niframe{\r\n    max-width: 100%;    \r\n}\r\nfigure {\r\n    max-width: 100%;\r\n    height: auto;\r\n}\r\nimg{\r\n    max-width: 100% !important;\r\n    height: auto;\r\n}\r\ndiv {\r\n    max-width: 100% !important;\r\n}\r\nspan {\r\n    max-width:100%;\r\n    overflow: auto;\r\n}\r\naudio {\r\n    display:block;\r\n    visibility:visible !important;\r\n}\r\nvideo{\r\n    width:100%;\r\n    height:auto;\r\n}\r\n<\/style><div class='androapp'><p><\/p>\n<table width=\"830\">\n<tbody>\n<tr>\n<td width=\"830\" height=\"61\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u25c6<u><br \/>\n\u4ec0\u4e48\u662fIPsec\uff1f<\/u><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>IPsec\u662f\uff0c<a href=\"http:\/\/tech.memoecho.com\/zh\/linux\/vpn-encryption-system-1\/\" target=\"_blank\" rel=\"noopener\">\u52a0\u5bc6\u7cfb\u7edf<\/a>\u7528\u4e8e\u901a\u8fc7\u8be5\u6280\u672f\u4fdd\u62a4\u7f51\u7edc\u5c42\u6570\u636e\u7684\u5b89\u5168\u6027<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u8981\u5b8c\u6210\u7684\u534f\u8bae\u3002 IPsec\u7531\u8bf8\u5982AH\uff0cESP\u548cIKE\u4e4b\u7c7b\u7684\u534f\u8bae\u7ec4\u6210\u3002\u8fd9\u4e2aIPsec<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528VPN\u8fde\u63a5\uff0c\u5373\u4f7f\u5728\u8bf8\u5982\u56e0\u7279\u7f51\u7684\u516c\u5171\u57fa\u7840\u8bbe\u65bd\u4e2d\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5b89\u5168\u5730\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u25c6<u>IPsec\u5de5\u4f5c\u5c42<br \/>\n<\/u><\/p>\n<p>\u7531\u4e8eIPsec\u5728\u7f51\u7edc\u5c42\u8fd0\u884c\uff0c\u65e0\u8bba\u662f\u4f5c\u4e3a\u4e0a\u5c42\u7684\u4f20\u8f93\u5c42\u7684TCP\u8fd8\u662fUDP<\/p>\n<p>\u5b83\u6ca1\u6709\u95ee\u9898\uff0c\u5e76\u4e14\u6ca1\u6709\u9650\u5236\uff0c\u56e0\u6b64\u5b83\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f46\u662f\uff0c\u7f51\u7edc\u5c42<\/p>\n<p><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IP<\/span><br \/>\n<span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u4e00\u5b9a\u662f\u3002\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u5b83\u4e0eIPsec\u65e0\u5173\uff0c\u4f46SSL\u5728\u4f1a\u8bdd\u5c42\u5de5\u4f5c\u3002\u548c<br \/>\n\u7f51\u7edc\u5c42<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c\u4f20\u8f93\u5c42<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">TCP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u4e00\u5b9a\u662f\u3002\u56e0\u6b64\u6240\u6709TCP \/ IP<br \/>\n\u53ef\u4ee5\u4f7f\u7528\u201cHTTP \/ FTP \/ SMTP\u201d\u7b49\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u4e0d\u80fd\u4f7f\u7528UDP\u5e94\u7528\u7a0b\u5e8f\u3002<\/span><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz13.gif\" width=\"494\" height=\"342\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">* SSL\u5b8c\u5168\u9002\u7528\u4e8e\u4f20\u8f93\u5c42\u548c\u4f1a\u8bdd\u5c42\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<br \/>\n<\/span><\/p>\n<p>\u25c6<u>\u6784\u6210IPsec\u7684\u4e24\u4e2a\u534f\u8bae\u548c\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae<br \/>\n<\/u><\/p>\n<p>\u987e\u540d\u601d\u4e49\uff0cIPsec\u672c\u8eab\u5c31\u662f\u4e00\u79cd\u5b89\u5168\u67b6\u6784\u3002 IPsec\u662f<span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">AH<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">ESP<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\uff0c<\/span><span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">IKE<\/span><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u5982\u591a\u91cd<br \/>\n\u5b83\u7531\u534f\u8bae\u7ec4\u6210\u3002 AH\u4ee3\u8868\u201cAuthentication Header\u201d\uff0c\u987e\u540d\u601d\u4e49\uff0c\u4ee3\u8868\u8eab\u4efd\u9a8c\u8bc1\u529f\u80fd<\/span><\/p>\n<p>\u6211\u6709\u3002 ESP\u662f\u201cEncapsulated Security Payload\u201d\u7684\u7f29\u5199\uff0c\u52a0\u5bc6\u5e94\u7528\u4e8e\u6709\u6548\u8f7d\u8377\u90e8\u5206<\/p>\n<p>\u4f60\u53ef\u4ee5\u505a\u5230\u3002 IKE\u4ee3\u8868\u201cInternet Key Exchage\u201d\uff0c\u662f\u4e00\u79cd\u53ef\u4ee5\u4ea4\u6362\u5bc6\u94a5\u7684\u534f\u8bae\u3002<\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"136\" height=\"26\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IPsec\u534f\u8bae<\/span><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"491\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u89d2\u8272<\/span><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"161\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u534f\u8bae\u7c7b\u578b<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">AH<\/span><\/td>\n<td width=\"491\" height=\"76\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u9a8c\u8bc1\u6570\u636e\u5305\u662f\u5426\u672a\u88ab\u7be1\u6539\u3002 \uff08HMAC\uff09<br \/>\n\u00b7\u65e0\u6cd5\u8fdb\u884c\u6570\u636e\u5305\u52a0\u5bc6\u3002<\/span><\/p>\n<\/td>\n<td align=\"center\" width=\"161\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IP\u534f\u8bae\u53f751<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">ESP<\/span><\/td>\n<td width=\"491\" height=\"76\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u9a8c\u8bc1\u6570\u636e\u5305\u662f\u5426\u672a\u88ab\u7be1\u6539\u3002 \uff08HMAC\uff09<br \/>\n\u00b7\u5bf9\u6570\u636e\u5305\u7684\u6709\u6548\u8d1f\u8f7d\u90e8\u5206\u6267\u884c\u52a0\u5bc6\uff08DES\u62163DES\u6216AES\uff09\u3002<\/span><\/p>\n<\/td>\n<td align=\"center\" width=\"161\" height=\"76\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IP\u534f\u8bae\u53f750<\/span><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"136\" height=\"116\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">IKE<\/span><\/td>\n<td width=\"491\" height=\"116\">\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00b7\u5b89\u5168\u4ea4\u6362\u5bc6\u94a5\u4fe1\u606f\u3002 IKE\u662f[ISAKMP \/ Oakley]\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u5728ISAKMP\u534f\u8bae\u4e0a\u5b9e\u73b0\u4e86Oakley\u5bc6\u94a5\u4ea4\u6362\u8fc7\u7a0b\u3002<\/span><\/p>\n<p>\u00b7Diffie-Hellman\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u662fOakley\u7ec4\u4ef6\u4e4b\u4e00\u3002<\/p>\n<p>&nbsp;<\/td>\n<td align=\"center\" width=\"161\" height=\"116\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">UDP\u7aef\u53e3\u53f7500<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u5bf9\u4e8eRFC 2406\u548cRFC 4303\u683c\u5f0f\u7684ESP<\/span><br \/>\n<span style=\"color: #ff0000; font-family: \u30e1\u30a4\u30ea\u30aa;\">\u8eab\u4efd\u9a8c\u8bc1\u9884\u544a\u7247<\/span><br \/>\n<span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u6709\u4e00\u4e2a\u529f\u80fd\u3002\u6709\u4e86\u8fd9\u4e2a\uff0c\u4e0d\u7528AH\u5728\u4e00\u8d77<br \/>\n\u5b83\u53ef\u4ee5\u9632\u6b62\u7be1\u6539\u3002\u56e0\u6b64\uff0cIPsec\u53ef\u4ee5\u5728\u6ca1\u6709AH\u7684\u60c5\u51b5\u4e0b\u5355\u72ec\u914d\u7f6eESP\u548cIKE\u3002<\/span><\/p>\n<p>\u4f46\u662f\uff0c\u4f7f\u7528ESP\u7684\u8eab\u4efd\u9a8c\u8bc1\u9884\u544a\u7247\u529f\u80fd\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u5176\u5728IP\u5934\u90e8\u5206\u4e4b\u524d\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4e3a\u4ec0\u4e48ESP\u53ef\u4ee5\u5b9e\u73b0AH\uff0c\u5373\u4f7fESP\u53ef\u4ee5\u5b9e\u73b0\u6240\u6709\u5b89\u5168\u670d\u52a1<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\"><br \/>\n<img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz14.gif\" width=\"455\" height=\"221\" border=\"0\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"156\" height=\"26\"><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"638\" height=\"26\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz15.gif\" width=\"455\" height=\"296\" border=\"0\" \/><\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"810\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"156\" height=\"26\"><\/td>\n<td align=\"center\" bgcolor=\"#aac6e1\" width=\"638\" height=\"26\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"31\"><\/td>\n<td width=\"638\" height=\"31\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"156\" height=\"36\"><\/td>\n<td width=\"638\" height=\"36\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/www.infraexpert.com\/studygif\/ipsecz16.gif\" width=\"550\" height=\"513\" border=\"0\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"line-height: 180%;\"><span style=\"font-family: \u30e1\u30a4\u30ea\u30aa;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/p><\/div>","pwapp_post_content_type":"postprocessed","pwapp_preview_type":"excerpt","androapp_failover_post_content_type":"","share_text":"IPsec\uff08IP\u5b89\u5168\u67b6\u6784\uff09\nvia http:\/\/tech.memoecho.com\/zh\/linux\/centos\/ipsec-security-architecture-for-ip\/","supercache":"androappsupercache","_links":{"self":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/2225"}],"collection":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/comments?post=2225"}],"version-history":[{"count":4,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/2225\/revisions"}],"predecessor-version":[{"id":2231,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/2225\/revisions\/2231"}],"wp:attachment":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/media?parent=2225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/categories?post=2225"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/tags?post=2225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}