{"id":6588,"date":"2020-02-14T14:24:30","date_gmt":"2020-02-14T06:24:30","guid":{"rendered":"https:\/\/www.linuxcool.com\/?p=6588"},"modified":"2024-01-06T22:36:49","modified_gmt":"2024-01-06T14:36:49","slug":"iptables","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/iptables","title":{"rendered":"iptables\u547d\u4ee4 &#8211; \u9632\u706b\u5899\u7b56\u7565\u7ba1\u7406\u5de5\u5177"},"content":{"rendered":"\n<p>iptables\u662f\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u9632\u706b\u5899\u7b56\u7565\u7684\u547d\u4ee4\uff0c\u540c\u65f6\u4e5f\u662f\u4e00\u4e2a\u57fa\u4e8e\u5185\u6838\u7ea7\u522b\u7684\u9632\u706b\u5899\u670d\u52a1\uff0c\u7528\u6237\u53ef\u4ee5\u57fa\u4e8e\u5b83\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u8fc7\u6ee4\u64cd\u4f5c\uff0c\u62d2\u7edd\u6389\u5371\u9669\u7684\u5916\u90e8\u8bf7\u6c42\u6d41\u91cf\uff0c\u4fdd\u62a4\u5185\u7f51\u7684\u5b89\u5168\u3002iptables\u547d\u4ee4\u9ed8\u8ba4\u4ec5\u652f\u6301IPv4\u534f\u8bae\uff0c\u5982\u9700\u652f\u6301IPv6\u534f\u8bae\uff0c\u5219\u9700\u4f7f\u7528ip6tables\u547d\u4ee4\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong>iptables \u53c2\u6570 \u5bf9\u8c61<\/p>\n\n\n\n<p><strong>\u5e38\u7528\u53c2\u6570\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>-A<\/td><td>\u5411\u89c4\u5219\u94fe\u4e2d\u8ffd\u52a0\u6761\u76ee<\/td><td rowspan=\"10\">&nbsp;<\/td><td>-L<\/td><td>\u663e\u793a\u89c4\u5219\u94fe\u4e2d\u7684\u5df2\u6709\u6761\u76ee<\/td><\/tr><tr><td>-c<\/td><td>\u521d\u59cb\u5316\u5305\u8ba1\u6570\u5668\u548c\u5b57\u8282\u8ba1\u6570\u5668<\/td><td>-N<\/td><td>\u521b\u5efa\u65b0\u7684\u7528\u6237\u81ea\u5b9a\u4e49\u89c4\u5219\u94fe<\/td><\/tr><tr><td>-D<\/td><td>\u4ece\u89c4\u5219\u94fe\u4e2d\u5220\u9664\u6761\u76ee<\/td><td>-o<\/td><td>\u8bbe\u7f6e\u6570\u636e\u5305\u79bb\u5f00\u672c\u673a\u65f6\u6240\u4f7f\u7528\u7684\u7f51\u7edc\u63a5\u53e3<\/td><\/tr><tr><td>-E<\/td><td>\u91cd\u547d\u540d\u6307\u5b9a\u7684\u7528\u6237\u81ea\u5b9a\u94fe<\/td><td>-p<\/td><td>\u8bbe\u7f6e\u8981\u5339\u914d\u6570\u636e\u5305\u7684\u534f\u8bae\u7c7b\u578b<\/td><\/tr><tr><td>-F<\/td><td>\u6e05\u9664\u89c4\u5219\u94fe\u4e2d\u7684\u73b0\u6709\u6761\u76ee<\/td><td>-P<\/td><td>\u8bbe\u7f6e\u89c4\u5219\u94fe\u4e2d\u7684\u9ed8\u8ba4\u76ee\u6807\u7b56\u7565<\/td><\/tr><tr><td>-t<\/td><td>\u8bbe\u7f6e\u8981\u7ba1\u7406\u7684\u8868<\/td><td>-R<\/td><td>\u66ff\u6362\u89c4\u5219\u94fe\u4e2d\u7684\u6307\u5b9a\u6761\u76ee<\/td><\/tr><tr><td>-h<\/td><td>\u663e\u793a\u5e2e\u52a9\u4fe1\u606f<\/td><td>-s<\/td><td>\u8bbe\u7f6e\u8981\u5339\u914d\u6570\u636e\u5305\u7684\u6e90IP\u5730\u5740<\/td><\/tr><tr><td>-i<\/td><td>\u8bbe\u7f6e\u6570\u636e\u5305\u8fdb\u5165\u672c\u673a\u7684\u7f51\u7edc\u63a5\u53e3<\/td><td>-v<\/td><td>\u663e\u793a\u6267\u884c\u8fc7\u7a0b\u8be6\u7ec6\u4fe1\u606f<\/td><\/tr><tr><td>-j<\/td><td>\u8bbe\u7f6e\u8981\u8df3\u8f6c\u7684\u76ee\u6807<\/td><td>-X<\/td><td>\u5220\u9664\u6307\u5b9a\u7684\u7528\u6237\u81ea\u5b9a\u94fe<\/td><\/tr><tr><td>-I<\/td><td>\u5411\u89c4\u5219\u94fe\u4e2d\u63d2\u5165\u6761\u76ee<\/td><td>-Z<\/td><td>\u6e05\u7a7a\u89c4\u5219\u94fe\u4e2d\u7684\u5305\u8ba1\u6570\u5668\u548c\u5b57\u8282\u8ba1\u6570\u5668<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u53c2\u8003\u793a\u4f8b<\/strong><\/p>\n\n\n\n<p>\u663e\u793a\u5f53\u524d\u9632\u706b\u5899\u7b56\u7565\u4e2d\u5168\u90e8\u7684\u8fc7\u6ee4\u8868\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# iptables -L<\/pre>\n\n\n\n<p>\u663e\u793a\u5f53\u524d\u9632\u706b\u5899\u7b56\u7565\u4e2d\u6307\u5b9a\u7684NAT\u8868\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# iptables -L -t nat<\/pre>\n\n\n\n<p>\u7981\u6b62\u6307\u5b9a\u7684\u8fdc\u7a0b\u4e3b\u673a\u8bbf\u95ee\u672c\u5730\u5168\u90e8\u7684\u670d\u52a1\uff08\u901a\u901a\u7981\u6b62\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# iptables -I INPUT -s 192.168.10.10 -j DROP<\/pre>\n\n\n\n<p>\u7981\u6b62\u6307\u5b9a\u7684\u8fdc\u7a0b\u4e3b\u673a\u8bbf\u95ee\u672c\u5730\u7684\u67d0\u4e2a\u7aef\u53e3\uff0c\u4f46\u5141\u8bb8\u8bbf\u95ee\u5176\u4f59\u7aef\u53e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# iptables -I INPUT -s 192.168.10.10 -p tcp --dport 22 -j DROP<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>iptables\u662f\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u9632\u706b\u5899\u7b56\u7565\u7684\u547d\u4ee4\uff0c\u540c\u65f6\u4e5f\u662f\u4e00\u4e2a\u57fa\u4e8e\u5185\u6838\u7ea7\u522b\u7684\u9632\u706b\u5899\u670d\u52a1\uff0c\u7528\u6237\u53ef\u4ee5\u57fa\u4e8e\u5b83\u5bf9\u6570\u636e\u5305\u8fdb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-6588","post","type-post","status-publish","format-standard","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/6588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=6588"}],"version-history":[{"count":12,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/6588\/revisions"}],"predecessor-version":[{"id":17105,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/6588\/revisions\/17105"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=6588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=6588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=6588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}