{"id":3051,"date":"2018-08-21T06:42:28","date_gmt":"2018-08-21T06:42:28","guid":{"rendered":"https:\/\/tst-amo.net.ua\/blog\/?p=3051"},"modified":"2018-08-21T06:42:28","modified_gmt":"2018-08-21T06:42:28","slug":"%d0%ba%d0%b0%d0%ba-%d0%bf%d0%be%d1%81%d0%bc%d0%be%d1%82%d1%80%d0%b5%d1%82%d1%8c-syn-queue-%d0%b8-accept-queue","status":"publish","type":"post","link":"https:\/\/tst-amo.net.ua\/blog\/?p=3051","title":{"rendered":"\u041a\u0430\u043a \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c SYN queue \u0438 Accept queue"},"content":{"rendered":"<div id=\"comment_9799570\" class=\"comment\">\n<div class=\"comment__message \">\n<p>accept queue: \u043c\u043e\u0436\u043d\u043e \u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0432 netstat\/ss \u0434\u043b\u044f LISTEN \u0441\u043e\u043a\u0435\u0442\u043e\u0432, \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0432 \u043a\u043e\u043b\u043e\u043d\u043a\u0435 Recv-Q, \u043b\u0438\u043c\u0438\u0442 \u0432 \u043a\u043e\u043b\u043e\u043d\u043a\u0435 Send-Q, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440:<\/p>\n<pre>$ ss -lnt\r\nState       Recv-Q Send-Q                                 Local Address:Port                                                Peer Address:Port\r\nLISTEN      0      100                                        127.0.0.1:25                                                             *:*\r\n<span style=\"color: #ff0000;\">LISTEN      0      128                                                *:443                                                            *:*<\/span>\r\nLISTEN      0      32                                    194.44.219.164:1021                                                           *:*\r\nLISTEN      0      5                                                  *:3551                                                           *:*\r\nLISTEN      0      128                                        127.0.0.1:9000                                                           *:*\r\nLISTEN      0      5                                                  *:873                                                            *:*\r\nLISTEN      0      50                                                 *:3306                                                           *:*\r\nLISTEN      0      128                                        127.0.0.1:11211                                                          *:*\r\nLISTEN      0      128                                                *:80                                                             *:*\r\nLISTEN      0      32                                    194.44.219.164:21                                                             *:*\r\nLISTEN      0      32                                    194.44.219.164:8022                                                           *:*\r\nLISTEN      0      128                                                *:22<\/pre>\n<p>\u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0441\u043e\u043a\u0435\u0442\u0430 \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 = 0, \u043b\u0438\u043c\u0438\u0442 128<\/p>\n<p>syn queue: \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u044f \u043f\u043e\u043d\u0438\u043c\u0430\u044e \u043d\u0435\u043b\u044c\u0437\u044f \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440, \u043d\u043e \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0447\u0435\u0442\u0447\u0438\u043a\u00a0<code>netstat -st |grep TCPBacklogDrop<\/code>.<\/p>\n<\/div>\n<\/div>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-bottom-right\"><a href=\"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=wpv2posts3051&print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/tst-amo.net.ua\/blog\/wp-content\/plugins\/pdf-print\/images\/pdf.png\" alt=\"image_pdf\" title=\"View PDF\" \/><\/a><a href=\"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=wpv2posts3051&print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/tst-amo.net.ua\/blog\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\" \/><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>accept queue: \u043c\u043e\u0436\u043d\u043e \u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0432 netstat\/ss \u0434\u043b\u044f LISTEN \u0441\u043e\u043a\u0435\u0442\u043e\u0432, \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0432 \u043a\u043e\u043b\u043e\u043d\u043a\u0435 Recv-Q, \u043b\u0438\u043c\u0438\u0442 \u0432 \u043a\u043e\u043b\u043e\u043d\u043a\u0435 Send-Q, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: $ ss -lnt State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 100 127.0.0.1:25 *:* LISTEN 0 128 *:443 *:* LISTEN 0 32 194.44.219.164:1021 *:* LISTEN 0 5 *:3551 *:* LISTEN 0 128 127.0.0.1:9000 *:* LISTEN &#8230;<\/p>\n<p><a href=\"https:\/\/tst-amo.net.ua\/blog\/?p=3051\" class=\"more-link\">Continue reading &lsquo;\u041a\u0430\u043a \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c SYN queue \u0438 Accept queue&rsquo; &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158,48,50,47,69,159,157],"tags":[],"class_list":["post-3051","post","type-post","status-publish","format-standard","hentry","category-accept","category-centos","category-freebsd","category-linux","category-netstat","category-ss","category-syn"],"_links":{"self":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3051"}],"collection":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3051"}],"version-history":[{"count":1,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3051\/revisions"}],"predecessor-version":[{"id":3052,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3051\/revisions\/3052"}],"wp:attachment":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}