{"id":1254,"date":"2022-01-19T20:11:32","date_gmt":"2022-01-19T12:11:32","guid":{"rendered":"https:\/\/dasmz.com\/?p=1254"},"modified":"2022-01-20T10:22:56","modified_gmt":"2022-01-20T02:22:56","slug":"%e5%9f%ba%e4%ba%8emac%e5%9c%b0%e5%9d%80%e7%9a%84%e7%99%bd%e5%90%8d%e5%8d%95%ef%bc%8c%e4%bd%bf%e7%94%a8iptables%e8%bf%87%e6%bb%a4mac%e5%9c%b0%e5%9d%80%e7%9a%84%e9%97%ae%e9%a2%98-2022-1-19","status":"publish","type":"post","link":"https:\/\/dasmz.com\/?p=1254","title":{"rendered":"\u57fa\u4e8eMAC\u5730\u5740\u7684\u767d\u540d\u5355\uff0c\u4f7f\u7528iptables\u8fc7\u6ee4MAC\u5730\u5740\u7684\u95ee\u9898 2022-1-19"},"content":{"rendered":"\n

\u6709\u4e00\u4e2a\u9700\u6c42\uff0c\u5728OpenVPN\u7ec4\u7f51\u7684\u65f6\u5019\uff0c\u8003\u8651MAC\u5730\u5740\u7684\u767d\u540d\u5355\uff0c\u6839\u636eOSI\u7f51\u7edc\u6a21\u578b\uff0c\u5e94\u7528\u5c42\u7684\u4ee3\u7406\uff0c\u80af\u5b9a\u770b\u4e0d\u5230\u5ba2\u6237\u7aef\u8bbe\u5907\u7684MAC\u5730\u5740\uff0c\u81ea\u7136\u8c08\u4e0d\u4e0a\u8fc7\u6ee4\u3002<\/p>\n\n\n\n

\u4e0d\u8fc7OpenVPN\u5e94\u8be5\u662f\u53ef\u4ee5\u7684\uff0c\u5b83\u662f\u6570\u636e\u94fe\u8def\u4e8c\u5c42\u7684\u3002<\/p>\n\n\n\n

\u53c2\u8003\u4e86\u7f51\u7edc\u4e0a\u7684\u6559\u7a0b\uff0c\u57fa\u672c\u4e0a\uff0c\u53ef\u4ee5\u57fa\u4e8eiptables\u8fc7\u6ee4\u7f51\u7edc\u5185\u7684\u4e00\u90e8\u5206\u6d41\u91cf\u3002\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u7406\u89e3\uff0c\u6211\u8fd9\u91cc\u8d34\u4e00\u4e2aiptables\u7684\u5de5\u4f5c\u903b\u8f91\u539f\u7406\u56fe<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u7406\u8bba\u4e0a\uff0c\u5fc5\u987b\u7ecf\u8fc7\u6211\u4eec\u7684\u7f51\u5361\u7684\uff0c\u624d\u53ef\u4ee5\u8fdb\u884c\u8fc7\u6ee4<\/p>\n\n\n\n

\u901a\u5e38\uff0c\u5728<\/p>\n\n\n\n

  1. PREROUTING<\/li>
  2. FORWARD<\/li>
  3. INPUT<\/li><\/ol>\n\n\n\n

    \u6574\u7406\u7684\u8d44\u6599\u4fe1\u606f\uff1a<\/p>\n\n\n\n

    \u4f8b\u5b5001\uff0c\u9650\u5236INPUT\uff0c\u6765\u6e90MAC\u5730\u5740 00:0F:EA:91:04:08\uff0c\u4e22\u5f03\n\/sbin\/iptables -A INPUT -m mac --mac-source 00:0F:EA:91:04:08 -j DROP\n\n\n\u4f8b\u5b5002\uff0c\u9650\u5236INPUT\uff0c\u76ee\u7684\u7aef\u53e322\uff0c\u6765\u6e90MAC\u5730\u5740 00:0F:EA:91:04:07\uff0c\u5141\u8bb8\n\/sbin\/iptables -A INPUT -p tcp --destination-port 22 -m mac --mac-source 00:0F:EA:91:04:07 -j ACCEPT\n\n\u4f8b\u5b5003\uff0c\u9650\u5236INPUT\uff0c\u7f51\u5361\u4e3aeth1\uff0c\u76ee\u7684\u7aef\u53e322\uff0c\u6765\u6e90MAC\u5730\u5740\u4e3a 00:0F:EA:91:04:07\uff0c\u5141\u8bb8\n\/sbin\/iptables -A INPUT -i eth1 -p tcp --destination-port 22 -m mac --mac-source 00:0F:EA:91:04:07 -j ACCEPT\n\n\u5728FORWARD\u6216\u8005PREROUTING\u91cc\u9762\u4e5f\u540c\u6837\u7684\u9053\u7406\n\/sbin\/iptables -A FORWARD -i ethX -m mac --mac-source YOUR-MAC-ADDRESS-HERE -j ACCEPT\n\n\/sbin\/iptables -A FORWARD -m state --state NEW -m mac --mac-source YOUR-MAC-ADDRESS-HERE -j ACCEPT\n\n\n\/sbin\/iptables -A INPUT -p tcp --dport 22 -m mac ! --mac-source MAC-ADDRESS-HERE-TO-SKIP -j DROP\n### Drop ssh access to all except our own MAC Address ###\n\/sbin\/iptables -A INPUT -p tcp --dport 22 -m mac ! --mac-source YOUR-MAC-ADDRESS-HERE -j DROP\n### Save rules ###\n\/sbin\/service iptables save\n\n\n\u53ef\u4ee5\u4f7f\u7528IP\/MAC\u540c\u65f6\u5339\u914d\niptables -A INPUT -p tcp -s 192.168.1.200 -m mac --mac-source 00:0F:EA:91:04:08 -j DROP\n\n\u9650\u5236\u767b\u5f55\u7684\u767d\u540d\u5355MAC\u5730\u5740\n\/sbin\/iptables -A INPUT -p tcp --dport 22 -m mac ! --mac-source YOUR-MAC-ADDRESS-HERE -j DROP\n\/sbin\/iptables -A INPUT -p tcp --dport 22 -m mac ! --mac-source YOUR-MAC-ADDRESS-HERE -j DROP\n\n\u5728\u8f6c\u53d1\u94fe\u7684\u9650\u5236\niptables -A FORWARD -i eth0 -o eth1 -m mac --mac-source 00:0F:EA:91:04:07 -j ACCEPT\n\n\n\u5141\u8bb8\niptables -I INPUT -p tcp --dport 22 -m mac --mac-source 3E:D7:88:A6:66:8E -j ACCEPT\n\n\n\u62d2\u7edd\niptables -I INPUT -p tcp --dport 22 -m mac --mac-source 3E:D7:88:A6:66:8E -j REJECT\n\n\n\n\u62d2\u7edd\u6240\u6709\u7684\uff0c\u653e\u884c3E:D7:88:A6:66:8E\niptables -I INPUT -p tcp --port 22 -m mac ! --mac-source 3E:D7:88:A6:66:8E -j REJECT\n\n\n\n\u4e00\u822c\u7684OpenVPN\u7684\u89c4\u5219\niptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT\niptables -I FORWARD -s 10.8.0.0\/24 -j ACCEPT\niptables -I INPUT -p udp --dport 1194 -j ACCEPT\niptables -t nat -A POSTROUTING -s 10.8.0.0\/24 ! -d 10.8.0.0\/24 -j SNAT --to 104.237.156.154\n<\/pre>\n\n\n\n
    REJECT\u52a8\u4f5c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u62d2\u7edd(\u7ec8\u6b62)\u6570\u636e\u5305(TCP FIN\u6216UDP-ICMP-PORT-UNREACHABLE)\uff0c\u660e\u786e\u7684\u62d2\u7edd\u5bf9\u65b9\u7684\u8fde\u63a5\u52a8\u4f5c\uff0c\u8fde\u63a5\u9a6c\u4e0a\u65ad\u5f00<\/p>\n\n\n\n
    DROP\u52a8\u4f5c\u53ea\u662f\u7b80\u5355\u7684\u76f4\u63a5\u4e22\u5f03\u6570\u636e\uff0c\u5e76\u4e0d\u53cd\u9988\u4efb\u4f55\u56de\u5e94\u3002\u9700\u8981Client\u7b49\u5f85\u8d85\u65f6<\/p>\n\n\n\n
    <\/p>\n\n\n\n
    <\/p>\n\n\n\n
    \u53c2\u8003 https:\/\/www.cyberciti.biz\/tips\/iptables-mac-address-filtering.html<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6709\u4e00\u4e2a\u9700\u6c42\uff0c\u5728OpenVPN\u7ec4\u7f51\u7684\u65f6\u5019\uff0c\u8003\u8651MAC\u5730\u5740\u7684\u767d\u540d\u5355\uff0c\u6839\u636eOSI\u7f51\u7edc\u6a21\u578b\uff0c\u5e94\u7528\u5c42\u7684\u4ee3\u7406\uff0c\u80af\u5b9a\u770b\u4e0d\u5230\u5ba2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/posts\/1254"}],"collection":[{"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dasmz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1254"}],"version-history":[{"count":16,"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/posts\/1254\/revisions"}],"predecessor-version":[{"id":1283,"href":"https:\/\/dasmz.com\/index.php?rest_route=\/wp\/v2\/posts\/1254\/revisions\/1283"}],"wp:attachment":[{"href":"https:\/\/dasmz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dasmz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dasmz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}