\u80cc\u666f\uff1aOpenstack\u5728H\u7248\u4e4b\u524d\u7684\u65f6\u5019\uff0c\u79df\u6237\u53ef\u4ee5\u79df\u7528\u865a\u62df\u673a\u53d1\u52a8DoS\u653b\u51fb\uff0c\u5f88\u591a\u653b\u51fb\u7684\u65b9\u5f0f\u662f\u4f2a\u9020\u6e90\u5730\u5740\u3002\u8fd8\u6709\u522b\u7684\u653b\u51fb\uff0c\u5982ARP\u653b\u51fb\u7b49\u7b49\uff0c\u90fd\u662f\u901a\u8fc7\u4f2a\u9020\u6e90MAC\u6216IP\u5730\u5740\u5b9e\u73b0\u7684\u3002\u672c\u6587\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0bopenstack\u4e2d\u62b5\u5fa1\u865a\u5047\u6e90\u5730\u5740\u7684\u653b\u51fb\u3002<\/p>\n
\u8fd9\u79cd\u653b\u51fb\u7684\u7279\u70b9\u662f\u653b\u51fb\u8005\u4ece\u865a\u62df\u5316\u7cfb\u7edf\u5185\u90e8\u53d1\u8d77\uff0c\u653b\u51fb\u76ee\u6807\u53ef\u80fd\u662f\u516c\u7f51\u4e3b\u673a\uff0c\u6216\u8005\u662f\u5185\u7f51\u7684\u4e3b\u673a\u3002\u5bf9\u4e8e\u524d\u8005\u7684\u9632\u5fa1\u6bd4\u8f83\u5bb9\u6613\uff0c\u53ea\u9700\u8981\u5728\u7269\u7406\u7f51\u7edc\u8fb9\u754c\u5c31\u53ef\u4ee5\u90e8\u7f72\u5b89\u5168\u8bbe\u65bd\u8fdb\u884c\u68c0\u6d4b\u548c\u6e05\u6d17\uff1b\u4f46\u662f\u540e\u8005\u7684\u653b\u51fb\u6d41\u91cf\u5927\u90e8\u5206\u662f\u5b58\u5728\u4e8e\u865a\u62df\u7f51\u7edc\u548c\u865a\u62df\u7f51\u7edc\u8bbe\u5907\u4e2d\uff0c\u7269\u7406\u7684\u5b89\u5168\u8bbe\u5907\u662f\u65e0\u6cd5\u89c2\u6d4b\u6216\u7406\u89e3\u7269\u7406\u7f51\u7edc\u4e2d\u7684\u6d41\u91cf\uff0c\u65e0\u6cd5\u8fdb\u884c\u6709\u6548\u7684\u9632\u62a4\uff0c\u6240\u4ee5\u5bf9\u4e8e\u59cb\u4e8e\u5185\u90e8\u7684DoS\u653b\u51fb\uff0c\u5e94\u8be5\u5728\u865a\u62df\u5316\u73af\u5883\u4e2d\u5c06\u68c0\u6d4b\u5e76\u62b5\u5fa1\u3002
\n\u5728Openstack\u7684\u67b6\u6784\u4e0b\uff0c\u9884\u8ba1\u4e00\u79cd\u68c0\u6d4bDoS\u653b\u51fb\u7684\u65b9\u5f0f\u662f\u4f9d\u9760\u68c0\u6d4b\u6a21\u5757Ceilometer\uff0c\u7b49\u5b83\u6210\u719f\u4e4b\u540e\uff0c\u5c31\u53ef\u53ca\u65f6\u901a\u77e5\u7ba1\u7406\u5458\u6216\u7cfb\u7edf\uff0c\u901a\u8fc7Ceilometer\u4e0eNeutron\u534f\u4f5c\u5835\u4f4f\u8fd9\u79cd\u653b\u51fb\u3002
\n\u4e0d\u8fc7\u73b0\u5728Ceilometer\u8fd8\u5728\u521d\u7ea7\u9636\u6bb5\uff0c\u6240\u4ee5\u8fd8\u662f\u9700\u8981\u4f9d\u9760\u7f51\u7edc\u865a\u62df\u5316\u6a21\u5757Neutron\u8fdb\u884c\u9632\u62a4\uff0c\u597d\u5728IaaS\u7cfb\u7edf\u77e5\u9053VM\u7684\u771f\u5b9eIP\u548cMAC\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u5728L2\u9632\u706b\u5899\u4e0a\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u8fc7\u6ee4\uff0cH\u7248\u5df2\u7ecf\u5f15\u5165\u4e86\u8fd9\u90e8\u5206\u7279\u6027\u3002<\/p>\n
\u4e0b\u9762\u4ee5\u4e00\u53f0vm\u4e3a\u4f8b\uff1a
\n# neutron port-list|grep 100.0.0.16
\n| 368d35e1-4db7-405f-af26-1f2b6f224bd8 | | fa:16:3e:34:c8:f8 | {“subnet_id”: “57b30eb5-e9ee-489f-85ea-77bcaa6249e5”, “ip_address”: “100.0.0.16”} |<\/p>\n
2013.2.1\u5f15\u5165\u4e86\u57fa\u4e8eIPTABLES\u7684\u8fc7\u6ee4\u65b9\u6848
\niptables -L -nvx \u53ef\u4ee5\u770b\u5230\uff1a
\nChain neutron-openvswi-s368d35e1-4 (1 references)
\n pkts bytes target prot opt in out source destination
\n 212 29180 RETURN all — * * 100.0.0.16 0.0.0.0\/0 MAC FA:16:3E:34:C8:F8
\n 0 0 DROP all — * * 0.0.0.0\/0 0.0.0.0\/0
\n\u6b64\u5904\u5141\u8bb8\u771f\u5b9eIP\u548cmac\u7684\u6570\u636e\u5305\u7ecf\u8fc7\uff0c\u5bf9\u5176\u4ed6\u6570\u636e\u5305\u629b\u5f03<\/p>\n
2013.2.2 \u5f15\u5165\u4e86\u57fa\u4e8eEBTABLES\u7684\u8fc7\u6ee4\u65b9\u6848
\nebtables -t nat -L \u53ef\u4ee5\u53d1\u73b0\u4e0b\u9762\u9879
\nBridge chain: libvirt-I-tap368d35e1-4d, entries: 6, policy: ACCEPT
\n-j I-tap368d35e1-4d-mac
\n-p IPv4 -j I-tap368d35e1-4d-ipv4-ip
\n-p IPv4 -j I-tap368d35e1-4d-ipv4
\n-p ARP -j I-tap368d35e1-4d-arp-mac
\n-p ARP -j I-tap368d35e1-4d-arp-ip
\nBridge chain: I-tap368d35e1-4d-mac, entries: 2, policy: ACCEPT
\n-s fa:16:3e:34:c8:f8 -j RETURN
\n-j DROP
\nBridge chain: I-tap368d35e1-4d-ipv4-ip, entries: 3, policy: ACCEPT
\n-p IPv4 –ip-src 0.0.0.0 –ip-proto udp -j RETURN
\n-p IPv4 –ip-src 100.0.0.16 -j RETURN
\n-j DROP
\nBridge chain: I-tap368d35e1-4d-arp-mac, entries: 2, policy: ACCEPT
\n-p ARP –arp-mac-src fa:16:3e:34:c8:f8 -j RETURN
\n-j DROP
\nBridge chain: I-tap368d35e1-4d-arp-ip, entries: 2, policy: ACCEPT
\n-p ARP –arp-ip-src 100.0.0.16 -j RETURN
\n-j DROP
\n\u53ef\u89c1\u786e\u5b9e\u5c06VM\u7684mac\u548cip\u8fdb\u884c\u4e86\u8fc7\u6ee4\uff0c\u9632\u6b62\u5176\u4ed6ip\u548cmac\u7684\u6570\u636e\u5305\u7ecf\u8fc7<\/p>\n
\u867d\u7136\u8fd9\u79cd\u9632\u62a4\u53ef\u4ee5\u62b5\u5fa1\u4f2a\u9020\u6e90\u5730\u5740\u7684\u653b\u51fb\uff0c\u4f46\u662f\u65e0\u6cd5\u62b5\u5fa1\u4f7f\u7528\u771f\u5b9e\u6e90\u5730\u5740\u7684DoS\u653b\u51fb,\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u8fd8\u662f\u91c7\u7528ceilometer\u6216\u662fSDN\u7684\u6d41\u68c0\u6d4b\u7684\u65b9\u5f0f\u8f83\u597d\u3002<\/p>\n
p.s.1 \u4e3a\u4ec0\u4e48\u6211\u4f1a\u77e5\u9053\u8fd9\u4e9bOpenstack\u7248\u672c\u7684\u9632\u62a4\u7279\u6027\uff0c\u6211\u4f1a\u544a\u8bc9\u4f60\u8fd9\u4e9b\u7279\u6027\u8ba9\u6211\u4e0d\u80fd\u6d4b\u8bd5DDoS\u653b\u51fb\u5417\u2026 \u80cc\u666f\uff1aOpenstack\u5728H\u7248\u4e4b\u524d\u7684\u65f6\u5019\uff0c\u79df\u6237\u53ef\u4ee5\u79df\u7528\u865a\u62df\u673a\u53d1\u52a8DoS\u653b\u51fb\uff0c\u5f88\u591a\u653b\u51fb\u7684\u65b9\u5f0f\u662f\u4f2a\u9020\u6e90\u5730\u5740\u3002\u8fd8\u6709\u522b\u7684\u653b\u51fb\uff0c\u5982ARP\u653b\u51fb\u7b49\u7b49\uff0c\u90fd\u662f\u901a\u8fc7\u4f2a\u9020\u6e90MAC\u6216IP\u5730\u5740\u5b9e\u73b0\u7684\u3002\u672c\u6587\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0bopenstack\u4e2d\u62b5\u5fa1\u865a\u5047\u6e90\u5730\u5740\u7684\u653b\u51fb\u3002 \u8fd9\u79cd\u653b\u51fb\u7684\u7279\u70b9\u662f\u653b\u51fb\u8005\u4ece\u865a\u62df\u5316\u7cfb\u7edf\u5185\u90e8\u53d1\u8d77\uff0c\u653b\u51fb\u76ee\u6807\u53ef\u80fd\u662f\u516c\u7f51\u4e3b\u673a\uff0c\u6216\u8005\u662f\u5185\u7f51\u7684\u4e3b\u673a\u3002\u5bf9\u4e8e\u524d\u8005\u7684\u9632\u5fa1\u6bd4\u8f83\u5bb9\u6613\uff0c\u53ea\u9700\u8981\u5728\u7269\u7406\u7f51\u7edc\u8fb9\u754c\u5c31\u53ef\u4ee5\u90e8\u7f72\u5b89\u5168\u8bbe\u65bd\u8fdb\u884c\u68c0\u6d4b\u548c\u6e05\u6d17\uff1b\u4f46\u662f\u540e\u8005\u7684\u653b\u51fb\u6d41\u91cf\u5927\u90e8\u5206\u662f\u5b58\u5728\u4e8e\u865a\u62df\u7f51\u7edc\u548c\u865a\u62df\u7f51\u7edc\u8bbe\u5907\u4e2d\uff0c\u7269\u7406\u7684\u5b89\u5168\u8bbe\u5907\u662f\u65e0\u6cd5\u89c2\u6d4b\u6216\u7406\u89e3\u7269\u7406\u7f51\u7edc\u4e2d\u7684\u6d41\u91cf\uff0c\u65e0\u6cd5\u8fdb\u884c\u6709\u6548\u7684\u9632\u62a4\uff0c\u6240\u4ee5\u5bf9\u4e8e\u59cb\u4e8e\u5185\u90e8\u7684DoS\u653b\u51fb\uff0c\u5e94\u8be5\u5728\u865a\u62df\u5316\u73af\u5883\u4e2d\u5c06\u68c0\u6d4b\u5e76\u62b5\u5fa1\u3002 \u5728Openstack\u7684\u67b6\u6784\u4e0b\uff0c\u9884\u8ba1\u4e00\u79cd\u68c0\u6d4bDoS\u653b\u51fb\u7684\u65b9\u5f0f\u662f\u4f9d\u9760\u68c0\u6d4b\u6a21\u5757Ceilometer\uff0c\u7b49\u5b83\u6210\u719f\u4e4b\u540e\uff0c\u5c31\u53ef\u53ca\u65f6\u901a\u77e5\u7ba1\u7406\u5458\u6216\u7cfb\u7edf\uff0c\u901a\u8fc7Ceilometer\u4e0eNeutron\u534f\u4f5c\u5835\u4f4f\u8fd9\u79cd\u653b\u51fb\u3002 \u4e0d\u8fc7\u73b0\u5728Ceilometer\u8fd8\u5728\u521d\u7ea7\u9636\u6bb5\uff0c\u6240\u4ee5\u8fd8\u662f\u9700\u8981\u4f9d\u9760\u7f51\u7edc\u865a\u62df\u5316\u6a21\u5757Neutron\u8fdb\u884c\u9632\u62a4\uff0c\u597d\u5728IaaS\u7cfb\u7edf\u77e5\u9053VM\u7684\u771f\u5b9eIP\u548cMAC\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u5728L2\u9632\u706b\u5899\u4e0a\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u8fc7\u6ee4\uff0cH\u7248\u5df2\u7ecf\u5f15\u5165\u4e86\u8fd9\u90e8\u5206\u7279\u6027\u3002 \u4e0b\u9762\u4ee5\u4e00\u53f0vm\u4e3a\u4f8b\uff1a # neutron port-list|grep 100.0.0.16 | 368d35e1-4db7-405f-af26-1f2b6f224bd8 | | fa:16:3e:34:c8:f8 | {“subnet_id”: “57b30eb5-e9ee-489f-85ea-77bcaa6249e5”, “ip_address”: “100.0.0.16”} | 2013.2.1\u5f15\u5165\u4e86\u57fa\u4e8eIPTABLES\u7684\u8fc7\u6ee4\u65b9\u6848 iptables -L -nvx \u53ef\u4ee5\u770b\u5230\uff1a Chain neutron-openvswi-s368d35e1-4 (1 references) pkts bytes target prot opt in out source destination 212 29180 RETURN all — * * 100.0.0.16 0.0.0.0\/0 MAC FA:16:3E:34:C8:F8 0 0 DROP all — * … Continue reading “Openstack\u4e2d\u4f2a\u9020\u6e90\u5730\u5740\u653b\u51fb\u7684\u9632\u5fa1”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[34,33],"class_list":["post-535","post","type-post","status-publish","format-standard","hentry","category-sdn","tag-sdn","tag-security"],"_links":{"self":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=535"}],"version-history":[{"count":1,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/535\/revisions"}],"predecessor-version":[{"id":536,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/535\/revisions\/536"}],"wp:attachment":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\np.s.2 \u9664\u4e86IPTABLES\u548cEBTABLES\u4e4b\u5916\uff0c\u8fd8\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\uff1f\u5f53\u7136\u6709\uff0c\u8bbe\u60f3\u4e00\u4e0b\u8fd9\u4e2a\u573a\u666f\uff0cVM\u542f\u52a8\u4e4b\u540e\uff0cneutron\u5728\u5efa\u7acbport\u4e4b\u540e\u5411SDN\u7f51\u7edc\u63a7\u5236\u5668\u53d1\u9001\u901a\u77e5\uff0c\u7f51\u7edc\u63a7\u5236\u5668\u5411OVS\u53d1\u9001\u6d41\u6307\u4ee4\uff0c\u5141\u8bb8IP\u3001MAC\u7ed1\u5b9a\u6570\u636e\u6d41\u901a\u8fc7VM\u6240\u5728\u7684\u4ea4\u6362\u673a\u7aef\u53e3\uff0c\u7136\u540e\u7981\u6b62\u5176\u4ed6\u6570\u636e\u6d41\u4ece\u8be5\u7aef\u53e3\u901a\u8fc7\u3002\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u8fd9\u4e48\u505a\u5462\uff0c\u539f\u56e01\uff1a\u9700\u8981SDN\u63a7\u5236\u5668\uff0c\u539f\u56e02\uff1a\u6570\u636e\u6d41\u5148\u7ecf\u8fc7Linux bridge\uff0c\u6240\u4ee5\u4e0d\u5982\u76f4\u63a5\u5728Linux bridge\u4e0a\u5e94\u7528IPTABLES\u548cEBTABLES\u3002
\np.s.4 \u5728SDN+Openstack\u73af\u5883\u4e0b\uff0c\u79df\u6237\u53d1\u8d77\u7684DoS\u7684\u7b2c\u4e00\u4e2a\u53d7\u5bb3\u8005\u5c06\u662f\u7f51\u7edc\u63a7\u5236\u5668\uff0c\u6240\u4ee5Floodlight\u5728\u6d41\u91cf\u63a7\u5236\u4e2d\u505a\u4e86\u4e00\u4e9b\u5de5\u4f5c\uff0c\u53ef\u53c2\u89c1\u8fd9\u7bc7\u6587\u7ae0<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"