{"id":548,"date":"2020-10-06T17:30:19","date_gmt":"2020-10-06T09:30:19","guid":{"rendered":"https:\/\/www.furyblog.com\/?p=548"},"modified":"2020-10-06T17:41:26","modified_gmt":"2020-10-06T09:41:26","slug":"linux%e5%ae%89%e5%85%a8%e5%8a%a0%e5%9b%ba-%e5%8d%8f%e8%ae%ae%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.furyblog.com\/?p=548","title":{"rendered":"Linux\u5b89\u5168\u52a0\u56fa-\u534f\u8bae\u5b89\u5168"},"content":{"rendered":"\t\t
\n\t\t\t\t\t\t
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\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
\n\t\t\t\t\t\t
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\n\t\t\t
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\n\t\t\t\t\t\t\t\t\t

DNS\u89e3\u6790<\/h1>

\u5b9e\u65bd\u76ee\u7684<\/span><\/p><\/td>

\u66f4\u6539\u4e3b\u673a\u89e3\u6790\u5730\u5740\u7684\u987a\u5e8f\uff0c\u51cf\u5c11\u5b89\u5168\u9690\u60a3<\/span><\/b><\/b><\/p><\/td><\/tr>

\u5b89\u5168\u98ce\u9669<\/span><\/p><\/td>

\u5bf9\u672c\u673a\u672a\u7ecf\u8bb8\u53ef\u7684 <\/span>IP <\/span>\u6b3a\u9a97<\/span><\/p><\/td><\/tr>

\u7cfb\u7edf\u5f53\u524d\u72b6\u6001<\/span><\/p><\/td>

Cat \/etc\/host.conf<\/span><\/p><\/td><\/tr>

\u5b9e\u65bd\u6b65\u9aa4<\/span><\/p><\/td>

vi<\/span> \/etc\/host.conf<\/span>\u4fee\u6539\u4e3a\u5982\u4e0b\u987a\u5e8f\uff1a<\/span><\/p>

order bind,hosts<\/span><\/p>

multi on<\/span><\/p>

nospoof on<\/span><\/p><\/td><\/tr>

\u56de\u9000\u65b9\u6848<\/span><\/p><\/td>

\u6062\u590d\/etc\/host.conf <\/span>\u914d\u7f6e\u6587\u4ef6<\/span><\/p><\/td><\/tr>

\u5224\u65ad\u4f9d\u636e<\/span><\/p><\/td>

\/etc\/host.conf<\/span><\/p>

order bind,hosts<\/span><\/p>

nospoof on<\/span><\/p><\/td><\/tr><\/tbody><\/table>

\u5185\u6838\u534f\u8bae\u52a0\u5f3a<\/h1>

\u5b9e\u65bd\u76ee\u7684<\/span><\/p><\/td>

\u8bbe\u7f6e\u5185\u6838\u534f\u8bae\u53c2\u6570\uff0c\u7f13\u89e3\u7f51\u7edc\u653b\u51fb<\/span><\/b><\/b><\/p><\/td><\/tr>

\u5b89\u5168\u98ce\u9669<\/span><\/p><\/td>

DDOS<\/span>\u653b\u51fb<\/span><\/p><\/td><\/tr>

\u7cfb\u7edf\u5f53\u524d\u72b6\u6001<\/span><\/p><\/td>

<\/a><\/a>Cat \/etc\/sysctl.conf<\/span><\/p><\/td><\/tr>

\u5b9e\u65bd\u6b65\u9aa4<\/span><\/p><\/td>

<\/a>vi \/etc\/sysctl.conf <\/span>\u5199\u5165\u4e0b\u8ff0\u5185\u5bb9\uff1a<\/span><\/p>

net.ipv4.tcp_max_syn_backlog = 8192<\/span><\/p>

net.ipv4.tcp_syncookies = 1<\/span><\/p>

net.ipv4.tcp_fin_timeout = 30<\/span><\/p>

net.ipv4.tcp_synack_retries = 2<\/span><\/p>

net.ipv4.tcp_syn_retries = 2<\/span><\/p>

net.ipv4.conf.all.accept_redirects<\/span> = 0<\/span><\/p>

net.ipv4.icmp_echo_ignore_broadcasts = 1<\/span><\/p><\/td><\/tr>

\u56de\u9000\u65b9\u6848<\/span><\/p><\/td>

\u5220\u9664\u91cd\u542f\uff0c\u6062\u590d\u52a0\u56fa\u4e4b\u524d<\/span><\/p><\/td><\/tr>

\u5224\u65ad\u4f9d\u636e<\/span><\/p><\/td>

Cat \/etc\/sysctl.conf<\/span><\/p><\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

\u76ee\u5f55 DNS\u89e3\u6790 \u5b9e\u65bd\u76ee\u7684 \u66f4\u6539\u4e3b\u673a\u89e3\u6790\u5730\u5740\u7684\u987a\u5e8f\uff0c\u51cf\u5c11\u5b89\u5168\u9690\u60a3 \u5b89\u5168\u98ce\u9669 \u5bf9\u672c\u673a\u672a\u7ecf\u8bb8\u53ef\u7684 IP \u6b3a\u9a97 \u7cfb\u7edf\u5f53\u524d\u72b6\u6001 Cat \/etc\/host.conf \u5b9e\u65bd\u6b65\u9aa4 vi \/etc\/host.conf\u4fee\u6539\u4e3a\u5982\u4e0b\u987a\u5e8f\uff1a order bind…<\/p>\n","protected":false},"author":1,"featured_media":528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,33],"tags":[],"topic":[],"class_list":["post-548","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-2","category-network-example"],"_links":{"self":[{"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/posts\/548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=548"}],"version-history":[{"count":7,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/posts\/548\/revisions"}],"predecessor-version":[{"id":557,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/posts\/548\/revisions\/557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=\/wp\/v2\/media\/528"}],"wp:attachment":[{"href":"https:\/\/www.furyblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=548"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.furyblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}