{"id":5393,"date":"2024-01-13T19:35:25","date_gmt":"2024-01-13T11:35:25","guid":{"rendered":"https:\/\/www.kenpai.com\/cms\/5393\/"},"modified":"2024-01-13T19:35:25","modified_gmt":"2024-01-13T11:35:25","slug":"%e6%80%8e%e4%b9%88%e4%bf%9d%e8%af%81linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%bd%91%e7%bb%9c%e5%ae%89%e5%85%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.kenpai.com\/cms\/5393\/","title":{"rendered":"\u600e\u4e48\u4fdd\u8bc1Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5b89\u5168\uff1f"},"content":{"rendered":"<\/p>\n<p style=\"text-align:center\">\n<p>\u4e3a\u4e86\u4fdd\u8bc1linux\u670d\u52a1\u5668\u7f51\u7edc\u7684\u5b89\u5168\uff0c\u9700\u8981\u7981\u6b62\u670d\u52a1\u5668\u8bbf\u95ee\u67d0\u4e9b\u4e0d\u5065\u5eb7\u7684\u7f51\u7ad9\u3002\u5b9e\u64cd\u8bf7\u5f80\u4e0b\u770b\uff1a<\/p>\n<\/p>\n<p> \u600e\u4e48\u4fdd\u8bc1Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5b89\u5168\uff1f<\/p>\n<p>1.\u5bf9\u6307\u5b9a\u7f51\u7ad9\u7981\u6b62\u8bbf\u95ee<\/p>\n<\/p>\n<p>iptables\u652f\u6301\u8bd5\u7528<span class='wp_keywordlink'><a href=\"https:\/\/www.kenpai.com\/domain.html\" title=\"\u57df\u540d\u6ce8\u518c\" target=\"_blank\">\u57df\u540d<\/a><\/span>\u548cIP\u5730\u5740\u4e24\u79cd\u65b9\u6cd5\u6765\u6307\u5b9a\u7981\u6b62\u7684\u7f51\u7ad9\u3002\u5982\u679c\u4f7f\u7528<span class='wp_keywordlink'><a href=\"https:\/\/www.kenpai.com\/domain.html\" title=\"\u57df\u540d\u6ce8\u518c\" target=\"_blank\">\u57df\u540d<\/a><\/span>\u7684\u65b9\u5f0f\u6307\u5b9a\u7f51\u7ad9\uff0ciptables\u4f1a\u901a\u8fc7DNS\u670d\u52a1\u5668\u67e5\u8be2\u8be5\u57df\u540d\u5bf9\u5e94\u7684\u6240\u6709IP\u5730\u5740\uff0c\u5e76\u5c06\u8fd9\u4e9bIP\u5730\u5740\u52a0\u5165\u5230\u89c4\u5219\u4e2d\uff0c\u6240\u4ee5\u4f7f\u7528\u57df\u540d\u6307\u5b9a\u7f51\u7ad9\u65f6\uff0ciptables\u7684\u6267\u884c\u901f\u5ea6\u4f1a\u7a0d\u6162\u3002<\/p>\n<\/p>\n<p>\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -I FORWARD -d www.xxx.com -j DROP<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -t filter -L FORWARD<\/p>\n<\/p>\n<p>2.\u7981\u6b62linux\u670d\u52a1\u5668\u4e0a\u7f51<\/p>\n<\/p>\n<p>\u64cd\u4f5c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -I FORWARD -s 192.168.1.102 -j DROP<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -t filter -L FORWARD<\/p>\n<\/p>\n<p>3.\u7981\u6b62Linux\u670d\u52a1\u5668\u8bbf\u95ee\u67d0\u4e9b\u8bbf\u95ee<\/p>\n<\/p>\n<p>\u7aef\u53e3\u662fTCP\/IP\u4f7f\u7528\u201c\u7aef\u53e3\u201d\u6765\u533a\u5206\u7cfb\u7edf\u4e2d\u7684\u4e0d\u540c\u7684\u670d\u52a1\uff0c\u5982web\u670d\u52a1\u4f7f\u7528\u7684\u662fTCP 80\u7aef\u53e3\uff0cFTP\u670d\u52a1\u4f7f\u7528\u7684\u662fTCP 21\u7aef\u53e3\u7b49\u3002\u7531\u4e8e\u4e0d\u540c\u7684\u670d\u52a1\u4f1a\u4f7f\u7528\u4e0d\u540c\u7684\u7aef\u53e3\u4e0e\u5916\u754c\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u8981\u7981\u6b62linux\u670d\u52a1\u5668\u4e0a\u7684\u67d0\u4e9b\u8bbf\u95ee\uff0c\u53ea\u8981\u7981\u6b62\u670d\u52a1\u4f7f\u7528\u7684\u7aef\u53e3\u53f7\u5373\u53ef\u3002<\/p>\n<\/p>\n<p>\u64cd\u4f5c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -I FROWARD -s 192.168.1.0\/24 -p tcp &#8211;dport 21 -j DROP<\/p>\n<\/p>\n<p>[root@localhost ~]# iptables -t filter -L FROWARD<\/p>\n<p>\u58f0\u660e\uff1a\u6587\u7ae0\u6765\u81ea\u7f51\u7edc\u8f6c\u8f7d\uff0c\u82e5\u65e0\u610f\u4e2d\u6709\u4fb5\u72af\u60a8\u6743\u76ca\u7684\u4fe1\u606f\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\uff0c\u6211\u4eec\u4f1a\u5728\u7b2c\u4e00\u65f6\u95f4\u5220\u9664\uff01 <\/p>\n<\/p>\n<p>                    \u66f4\u591a\u5173\u4e8e\u4e91\u670d\u52a1\u5668\uff0c<span class='wp_keywordlink'><a href=\"https:\/\/www.kenpai.com\/domain.html\" title=\"\u57df\u540d\u6ce8\u518c\" target=\"_blank\">\u57df\u540d\u6ce8\u518c<\/a><\/span>\uff0c\u865a\u62df\u4e3b\u673a\u7684\u95ee\u9898\uff0c\u8bf7\u8bbf\u95ee<span class='wp_keywordlink'><a href=\"https:\/\/www.kenpai.com\/\" title=\"\u57a6\u6d3e\u79d1\u6280\u5b98\u7f51\" target=\"_blank\">\u57a6\u6d3e\u79d1\u6280<\/a><\/span>\u5b98\u7f51\uff1a<span class='wp_keywordlink'><a href=\"https:\/\/www.kenpai.com\/\" title=\"\u57a6\u6d3e\u79d1\u6280\u5b98\u7f51\" target=\"_blank\">www.kenpai.com<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4e86\u4fdd\u8bc1linux\u670d\u52a1\u5668\u7f51\u7edc\u7684\u5b89\u5168\uff0c\u9700\u8981\u7981\u6b62\u670d\u52a1\u5668\u8bbf\u95ee\u67d0\u4e9b\u4e0d\u5065\u5eb7\u7684\u7f51\u7ad9\u3002\u5b9e\u64cd\u8bf7\u5f80\u4e0b\u770b\uff1a\t\t \u600e\u4e48\u4fdd\u8bc1Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5b89\u5168\uff1f\t1.\u5bf9\u6307\u5b9a\u7f51\u7ad9\u7981\u6b62<\/p>\n","protected":false},"author":2,"featured_media":446,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3322],"tags":[4070],"class_list":["post-5393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ktougao","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts\/5393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/comments?post=5393"}],"version-history":[{"count":0,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts\/5393\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/media\/446"}],"wp:attachment":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/media?parent=5393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/categories?post=5393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/tags?post=5393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}