{"id":2853,"date":"2012-07-25T15:50:00","date_gmt":"2012-07-25T12:50:00","guid":{"rendered":"http:\/\/skeletor.org.ua\/?p=2853"},"modified":"2016-12-15T12:51:17","modified_gmt":"2016-12-15T10:51:17","slug":"%d1%82%d1%8e%d0%bd%d0%b8%d0%bc-%d1%81%d0%b5%d1%82%d0%b5%d0%b2%d0%be%d0%b9-%d1%81%d1%82%d0%b5%d0%ba","status":"publish","type":"post","link":"https:\/\/skeletor.org.ua\/?p=2853","title":{"rendered":"\u0422\u044e\u043d\u0438\u043d\u0433 TCP\/IP \u0441\u0442\u0435\u043a\u0430 \u0432 Solaris"},"content":{"rendered":"

Solaris 10<\/span><\/strong><\/h2>\n

\u0412\u043e\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u043e \u0442\u044e\u043d\u0438\u0433\u0443 \u0438 \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e DDoS’a<\/strong><\/p>\n

– \u0418\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 maximux segmet size<\/strong>.<\/p>\n

ndd -set \/dev\/tcp tcp_mss_def 546<\/code><\/p>\n

– \u041e\u0442\u043a\u043b\u044e\u0447\u0438\u043c \u00abpath MTU discovery<\/strong>\u00bb \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043d\u0435\u0442 \u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0431\u0438\u0442 \u00abdon\u2019t fragment<\/strong>\u00bb<\/p>\n

ndd -set \/dev\/ip ip_path_mtu_discovery 0<\/code><\/p>\n

<\/p>\n

# \u0423\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0437\u0430\u043a\u043e\u043d \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 ISN<\/strong> \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c.<\/p>\n

ndd -set \/dev\/tcp tcp_strong_iss 2<\/code><\/p>\n

– \u0418\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 tcp window size<\/strong><\/p>\n

ndd -set \/dev\/tcp tcp_conn_req_max_q 16384
\nndd -set \/dev\/tcp tcp_conn_req_max_q0 16384
\nndd -set \/dev\/tcp tcp_max_buf 4194304
\nndd -set \/dev\/tcp tcp_cwnd_max 2097152
\nndd -set \/dev\/tcp tcp_xmit_hiwat 64395
\nndd -set \/dev\/tcp tcp_recv_hiwat 64395<\/code><\/p>\n

– \u0418\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 (TTL<\/strong>)<\/p>\n

ndd -set \/dev\/tcp tcp_ip_ttl 128<\/code><\/p>\n

\u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a \u0432\u0441\u0435\u0445 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043c\u043e\u0436\u043d\u043e \u0442\u0430\u043a:<\/p>\n

# ndd \/dev\/tcp ?<\/code><\/p>\n

Solaris 11<\/span><\/strong><\/h2>\n

\u0411\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u0434\u043b\u044f \u0442\u044e\u043d\u0438\u043d\u0433\u0430 \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u0442\u0435\u043a\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0447\u0435\u0440\u0435\u0437 ipadm set-prop<\/strong> (\u0440\u0430\u043d\u044c\u0448\u0435, \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f ndd<\/strong>). \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0438\u0436\u0435 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043d\u0438\u0445. \u041f\u043e\u043b\u043d\u044b\u0439 \u0441\u043f\u0435\u043a\u0442\u0440 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u043d\u043e \u0442\u044e\u043d\u0438\u0442\u044c, \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u0434\u0435\u0441\u044c<\/a><\/p>\n

– \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0432\u0441\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b<\/p>\n

$ ipadm show-prop<\/span><\/em><\/p>\n

– \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b:<\/p>\n

$ ipadm show-prop -p send_buf tcp<\/code><\/p>\n

– \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0440\u0430\u0437\u043c\u0435\u0440 \u0431\u0443\u0444\u0435\u0440\u0430 (tcp)<\/span><\/em><\/p>\n

# ipadm set-prop -p send_buf=128000 tcp
\n# ipadm set-prop -p recv_buf=128000 tcp
\n# ipadm set-prop -p max_buf=8388608 tcp<\/code><\/p>\n

– \u0440\u0430\u0437\u043c\u0435\u0440 TCP \u043e\u043a\u043d\u0430 (\u0432 \u0431\u0430\u0439\u0442\u0430\u0445)<\/span><\/em><\/p>\n

#\u00a0ipadm set-prop -p _cwnd_max=4194304 tcp<\/code><\/p>\n

– \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043f\u0440\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0435 tcp-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f<\/span><\/em><\/p>\n

# ipadm set-prop -p _conn_req_max_q=1024 tcp
\n# ipadm set-prop -p _conn_req_max_q0=2048 tcp<\/code><\/p>\n

– keepalive\u00a0(\u0432 \u043c\u0438\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u0430\u0445)<\/span><\/em><\/p>\n

# ipadm set-prop -p _keepalive_interval=300000 tcp
\n# ipadm set-prop -p _time_wait_interval=60000 tcp<\/code><\/p>\n

– \u043e\u0442\u043a\u043b\u044e\u0447\u0430\u0435\u043c \u043e\u0442\u0432\u0435\u0442 \u043d\u0430 \u0431\u0440\u043e\u0434\u043a\u0430\u0441\u0442<\/span><\/em><\/p>\n

# ipadm set-prop -p _respond_to_echo_broadcast=0 ip<\/code><\/p>\n

– \u043d\u0438\u0436\u043d\u0438\u0439 \u043f\u043e\u0440\u043e\u0433 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u043f\u043e\u0440\u0442\u043e\u0432<\/span><\/em><\/p>\n

# ipadm set-prop -p smallest_anon_port=1024 tcp<\/code><\/p>\n

\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435<\/strong><\/span>.<\/p>\n

\u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0434\u0451\u043d\u043d\u044b\u0439 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d, \u0442\u043e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438, \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0442 \u043b\u0438 \u044d\u0442\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043e\u0442 \u0442\u0435\u0445 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043c\u0430\u043b\u044b. \u041a \u043f\u0440\u0438\u043c\u0435\u0440\u0443: \u0434\u043b\u044f \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 recv_buf<\/strong>\/send_buf<\/strong> \u043d\u0443\u0436\u043d\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 max_buf<\/strong>.<\/p>\n

 <\/p>\n

\u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0437\u0434\u0435\u0441\u044c<\/p>\n

http:\/\/www.opennet.ru\/base\/sys\/tcp_tune.txt.html<\/a>
\nhttp:\/\/www.psc.edu\/index.php\/networking\/641-tcp-tune<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Solaris 10 \u0412\u043e\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u043e \u0442\u044e\u043d\u0438\u0433\u0443 \u0438 \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e DDoS’a – \u0418\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 maximux segmet size. ndd -set \/dev\/tcp tcp_mss_def 546 – \u041e\u0442\u043a\u043b\u044e\u0447\u0438\u043c \u00abpath MTU discovery\u00bb \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043d\u0435\u0442 \u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0431\u0438\u0442 \u00abdon\u2019t fragment\u00bb ndd -set \/dev\/ip ip_path_mtu_discovery 0<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2853","post","type-post","status-publish","format-standard","hentry","category-solaris"],"_links":{"self":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/2853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2853"}],"version-history":[{"count":7,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/2853\/revisions"}],"predecessor-version":[{"id":5092,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/2853\/revisions\/5092"}],"wp:attachment":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}