{"id":7180,"date":"2021-06-30T11:01:44","date_gmt":"2021-06-30T03:01:44","guid":{"rendered":"https:\/\/blog.pfchina.org\/?p=7180"},"modified":"2021-07-24T10:54:00","modified_gmt":"2021-07-24T02:54:00","slug":"pfsense%e5%85%b7%e6%9c%89%e7%9b%b8%e5%90%8c%e5%ad%90%e7%bd%91%e7%9a%84%e7%ab%99%e7%82%b9%e5%88%b0%e7%ab%99%e7%82%b9-ipsec-vpn","status":"publish","type":"post","link":"https:\/\/blog.pfchina.org\/?p=7180","title":{"rendered":"pfSense\u5177\u6709\u76f8\u540c\u5b50\u7f51\u7684\u7ad9\u70b9\u5230\u7ad9\u70b9 IPsec VPN"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u5728\u4f7f\u7528 IPsec VPN \u8fde\u63a5\u4e24\u4e2a\u7ad9\u70b9\u65f6\uff0c\u6709\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u4e24\u4e2a\u7ad9\u70b9\u4f4d\u4e8e\u540c\u4e00\u5bfb\u5740\u8303\u56f4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528 NAT\u6765\u89e3\u51b3\u4e92\u76f8\u8bbf\u95ee\u7684\u95ee\u9898\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5982\u679c\u4e24\u4e2a\u7ad9\u70b9\u7684LAN\u4f7f\u7528\u540c\u4e00\u5b50\u7f51192.168.1.0\/24 \uff0c\u5219\u5b83\u4eec\u5c06\u65e0\u6cd5\u901a\u8fc7 VPN \u76f8\u4e92\u901a\u4fe1\uff0c\u56e0\u4e3a\u5b50\u7f51\u5728\u672c\u5730\u7f51\u7edc\u4e0a\u662f\u76f8\u540c\u7684\uff0c\u5e76\u4e14\u5728\u8fdc\u7a0b\u7f51\u7edc\u4e5f\u662f\u76f8\u540c\u7684\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 NAT \u4ece\u4e00\u4e2a\u7f51\u7edc\u5230\u53e6\u4e00\u4e2a\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u662f\u5177\u6709\u91cd\u53e0\u5b50\u7f51\u8fdb\u884cVPN\u8fde\u63a5\u7684\u65b9\u6cd5\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u6ce8\u610f<\/strong>\uff1a\u5982\u4f55\u914d\u7f6e\u7ad9\u70b9\u5230\u7ad9\u70b9\u7684 IPsec VPN\uff0c\u8bf7\u53c2\u9605<span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/blog.pfchina.org\/?p=7145\">pfSense\u914d\u7f6e\u7ad9\u70b9\u5230\u7ad9\u70b9IPsec VPN<\/a><\/span>\u3002<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">\u7f51\u7edc\u62d3\u6251<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u4ee5\u4e24\u4e2a\u7ad9\u70b9\uff08A \u548c B\uff09\u4e3a\u4f8b\uff0c\u5b83\u4eec\u7684 LAN \u4e0a\u662f\u76f8\u540c\u7684\u5b50\u7f51\uff1a192.168.1.0\/24<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<p class=\"aligncenter size-large\"><span style=\"color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7186\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/network-diagram-ipsec-nat-overlapping-subnets.png\" alt=\"\" width=\"814\" height=\"346\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/network-diagram-ipsec-nat-overlapping-subnets.png 814w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/network-diagram-ipsec-nat-overlapping-subnets-300x128.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/network-diagram-ipsec-nat-overlapping-subnets-768x326.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/network-diagram-ipsec-nat-overlapping-subnets-500x213.png 500w\" sizes=\"auto, (max-width: 814px) 100vw, 814px\" \/><\/span><\/p>\n<\/div>\n<p><span style=\"color: #000000;\">\u4e3a\u4e86\u5c06\u8fd9\u4e24\u4e2a\u7ad9\u70b9\u4e0e IPsec VPN \u8fde\u63a5\u8d77\u6765\uff0c\u6709\u4e24\u79cd\u65b9\u6848\uff1a<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">\u5bf9\u7ad9\u70b9 A\u7684\u6574\u4e2a\u5b50\u7f51\u8fdb\u884cNAT\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4ece\u7ad9\u70b9 B \u901a\u8fc7 IPsec VPN \u8bbf\u95ee\u5b83\u3002\u76f8\u53cd\uff0c\u6211\u4eec\u5c06\u5bf9\u7ad9\u70b9 B \u7684\u5b50\u7f51\u6267\u884c\u76f8\u540c\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4ece\u7ad9\u70b9 A \u901a\u8fc7 IPsec VPN \u8bbf\u95ee\u5b83\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">\u5c06\u6240\u6709\u6d41\u91cf\u901a\u8fc7 NAT \u8f6c\u6362\u5230\u4e00\u4e2a IP \u5730\u5740\u3002\u8fd9\u662f\u4e0a\u7f51\u65f6\u4f7f\u7528\u7684\u539f\u5219\uff1a\u5c40\u57df\u7f51\u7684\u6240\u6709\u79c1\u6709IP\u5730\u5740\u90fd\u662fNAT\u5230Internet\u8fde\u63a5\u7684\u516c\u5171IP\u5730\u5740\u3002<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">NAT \u7c7b\u578b\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u65b9\u6848\u548c\u76ee\u6807\u3002\u5982\u679c\u8981\u8bbf\u95ee\u591a\u4e2a\u8bbe\u5907\uff0c\u6700\u597d\u7684\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528\u4e00\u5bf9\u4e00 NAT\uff081:1 NAT\uff09\uff0c\u5373\u7b2c\u4e00\u4e2a\u89e3\u51b3\u65b9\u6848\u3002\u5426\u5219\uff0c\u5355\u4e2a IP \u5730\u5740\u4e0a\u7684\u7b80\u5355NAT\u5c31\u53ef\u4ee5\u4e86\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u5728\u672c\u793a\u4f8b\u4e2d\uff0c\u5c06\u8bbe\u7f6e\u4ee5\u4e0b\u9009\u9879\uff1a<\/span><\/p>\n<ul>\n<li>\u4ece\u7ad9\u70b9A\u8bbf\u95ee\uff1a\u7ad9\u70b9 B \u7684 LAN \u5c06\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u5b50\u7f51\u8bbf\u95ee\uff1a\u00a0192.168.200.0\/24\uff1b\u56e0\u6b64\uff0c\u4ece\u7ad9\u70b9 A \u5230\u8fbe\u670d\u52a1\u5668 192.168.1.222\uff08\u4f4d\u4e8e\u7ad9\u70b9 B\uff09\uff0c\u6211\u4eec\u5c06\u8bf7\u6c42 IP \u5730\u5740 192.168.200.222\u3002<\/li>\n<li>\u4ece\u7ad9\u70b9B\u8bbf\u95ee\uff1a\u7ad9\u70b9 A \u7684 LAN \u5c06\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u5b50\u7f51\u8bbf\u95ee\uff1a\u00a0192.168.100.0\/24\uff1b\u56e0\u6b64\uff0c\u4ece\u7ad9\u70b9 B \u5230\u8fbe\u670d\u52a1\u5668 192.168.1.111\uff08\u4f4d\u4e8e\u7ad9\u70b9 A\uff09\uff0c\u6211\u4eec\u5c06\u8bf7\u6c42 IP \u5730\u5740 192.168.100.111\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">\u914d\u7f6eNAT\u548cIPsec<\/span><\/h2>\n<p style=\"text-align: justify;\">\u5728\u7ad9\u70b9 A\u4e0a<span style=\"color: #000000;\">\uff0c\u8f6c\u5230 VPN &gt; IPsec\uff0c\u6309<span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/blog.pfchina.org\/?p=7145\">pfSense\u914d\u7f6e\u7ad9\u70b9\u5230\u7ad9\u70b9 IPsec VPN<\/a><\/span>\u4ecb\u7ecd\u7684\u65b9\u6cd5\u914d\u7f6e\u9636\u6bb51\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u9636\u6bb5 2\u8981\u914d\u7f6e\u7684\u4fe1\u606f\u5982\u4e0b\uff1a<\/span><\/p>\n<ul>\n<li>\u6a21\u5f0f\uff1a\u9009\u62e9\u96a7\u9053 IPv4\u3002\u8bf7\u6ce8\u610f\uff0c\u8def\u7531 (VTI) IPsec VPN \u65e0\u6cd5\u4f7f\u7528 NAT\u3002<\/li>\n<li>\u672c\u5730\u7f51\u7edc\uff1a\u9009\u62e9\u201cLAN \u5b50\u7f51\u201d\uff0c\u6216\u8005\u662f\u5e0c\u671b\u901a\u8fc7 IPsec VPN \u8bbf\u95ee\u7684\u771f\u5b9e\u672c\u5730\u5b50\u7f51\uff08\u5728\u672c\u4f8b\u4e2d\u4e3a 192.168.1.0\/24\uff09\u3002<\/li>\n<li>NAT\/BINAT \u8f6c\u6362\uff1a\u9009\u62e9\u201c\u7f51\u7edc\u201d\u5e76\u5728\u5730\u5740\u548c\u63a9\u7801\u5b57\u6bb5\u4e2d\u8f93\u5165\u201c\u00a0192.168.100.0\/24\u00a0\u201d\u3002<\/li>\n<li>\u8fdc\u7a0b\u7f51\u7edc\uff1a\u9009\u62e9\u201c\u7f51\u7edc\u201d\u5e76\u8f93\u5165\u201c\u00a0192.168.200.0\/24\u00a0\u201d\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u9636\u6bb5 2 \u7684\u5176\u4ed6\u53c2\u6570\u4e0d\u53c2\u4e0e\u4f7f\u7528NAT\u8bbe\u7f6e VPN\uff0c\u8fd9\u91cc\u4e0d\u8fdb\u884c\u8be6\u8ff0\u3002<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<p class=\"aligncenter size-large\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/phase2-configuration-nat-ipsec-pfsense-provya.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/phase2-configuration-nat-ipsec-pfsense-provya.png\" alt=\"\" width=\"750\" height=\"431\" \/><\/a><\/span><\/p>\n<div>\n<p style=\"text-align: left;\">\u5728\u7ad9\u70b9B\u4e0a\uff0c\u6267\u884c\u76f8\u540c\u7684\u914d\u7f6e\uff0c\u6ce8\u610f\u8bbe\u7f6e\u7684\u5dee\u5f02\u3002<\/p>\n<\/div>\n<p class=\"aligncenter size-large\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/second-phase2-configuration-nat-ipsec-pfsense-provya.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7188\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/second-phase2-configuration-nat-ipsec-pfsense-provya.png\" alt=\"\" width=\"750\" height=\"389\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/second-phase2-configuration-nat-ipsec-pfsense-provya.png 750w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/second-phase2-configuration-nat-ipsec-pfsense-provya-300x156.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/second-phase2-configuration-nat-ipsec-pfsense-provya-500x259.png 500w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a> <\/span><\/p>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold;\">\u914d\u7f6e\u8fc7\u6ee4\u89c4\u5219<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u6839\u636e\u8f6c\u6362\u540e\u7684\u5bfb\u5740\u65b9\u6848\u8c03\u6574\u8fc7\u6ee4\u89c4\u5219\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u5728LAN \u63a5\u53e3\u4e0a\uff0c\u4e3a\u4e86\u8fc7\u6ee4\u4ece\u7ad9\u70b9 A \u7684\u672c\u5730\u7f51\u7edc\u5230\u7ad9\u70b9 B \u7684\u6d41\u91cf\uff0c\u5728\u6e90\u5b57\u6bb5\u4e2d\u8bbe\u7f6e LAN \u5b50\u7f51 (192.168.1.0\/24)\uff0c\u5728\u76ee\u6807\u5b57\u6bb5\u4e2d\u8bbe\u7f6e\u7ad9\u70b9 B \u7684\u8f6c\u6362\u5b50\u7f51\uff08 192.168.200.0\/24\uff09\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<p class=\"aligncenter size-large\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-lan-pfsense-provya.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7189\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-lan-pfsense-provya.png\" alt=\"\" width=\"750\" height=\"220\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-lan-pfsense-provya.png 750w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-lan-pfsense-provya-300x88.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-lan-pfsense-provya-500x147.png 500w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/p>\n<\/div>\n<p><span style=\"color: #000000;\">\u8981\u8fc7\u6ee4\u6765\u81eaIPsec VPN\uff08IPsec \u9009\u9879\u5361\uff09\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u7531\u4e8eNAT\u89c4\u5219\u5df2\u81ea\u52a8\u751f\u6210\uff0c\u8fc7\u6ee4\u5fc5\u987b\u5728\u672c\u5730\u7ad9\u70b9\u7684\u771f\u5b9eIP\u5730\u5740\u548c\u8fdc\u7a0b\u7ad9\u70b9\u7684\u8f6c\u6362IP\u5730\u5740\u4e0a\u5b8c\u6210\u3002<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u7ad9\u70b9A\u914d\u7f6e\u793a\u4f8b\uff1a<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<p class=\"aligncenter size-large\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-ipsec-pfsense-provya.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7190\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-ipsec-pfsense-provya.png\" alt=\"\" width=\"750\" height=\"174\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-ipsec-pfsense-provya.png 750w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-ipsec-pfsense-provya-300x70.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2021\/06\/filtering-rules-vpn-ipsec-nat-ipsec-pfsense-provya-500x116.png 500w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4f7f\u7528 IPsec VPN \u8fde\u63a5\u4e24\u4e2a\u7ad9\u70b9\u65f6\uff0c\u6709\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u4e24\u4e2a\u7ad9\u70b9\u4f4d\u4e8e\u540c\u4e00\u5bfb\u5740\u8303 &hellip; <a href=\"https:\/\/blog.pfchina.org\/?p=7180\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[166],"class_list":["post-7180","post","type-post","status-publish","format-standard","hentry","category-pfsense","tag-ipsec"],"_links":{"self":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/7180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7180"}],"version-history":[{"count":0,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/7180\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}