{"id":2834,"date":"2015-03-10T17:17:02","date_gmt":"2015-03-10T08:17:02","guid":{"rendered":"http:\/\/www.skyarch.net\/blog\/?p=2834"},"modified":"2015-03-10T17:17:02","modified_gmt":"2015-03-10T08:17:02","slug":"rhel7centos7-%e7%ae%a1%e7%90%86%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%80%80%e3%80%90-ss%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e7%b7%a8-%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.skyarch.net\/blog\/rhel7centos7-%e7%ae%a1%e7%90%86%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%80%80%e3%80%90-ss%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e7%b7%a8-%e3%80%91\/","title":{"rendered":"RHEL7\/CentOS7 \u7ba1\u7406\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u3000\u3010 ss\u30b3\u30de\u30f3\u30c9\u7de8 \u3011"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3002irihara\u3067\u3059\u3002
\n\u4eca\u56de\u306f\u3001RHEL7\/CentOS7\u306e\u7ba1\u7406\u7cfb\u306e\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u306e\u3067\u3001
\n\u7686\u3055\u3093\u3088\u308d\u3057\u3051\u308c\u3070\u3001\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

\u4ee5\u524d\u306b\u3001RHEL7\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3055\u305b\u3066\u3044\u9802\u3044\u305f\u969b<\/a>\u306b\u3001ifconfig\u30b3\u30de\u30f3\u30c9\u3084netstat\u30b3\u30de\u30f3\u30c9\u306a\u3069\u306f\u3001
\n\u4eca\u5f8c\u5225\u306e\u30b3\u30de\u30f3\u30c9\u306b\u5207\u308a\u66ff\u308f\u308b\u65e8\u3092\u7d39\u4ecb\u3055\u305b\u3066\u9802\u304d\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u3001netstat\u30b3\u30de\u30f3\u30c9\u306b
\n\u53d6\u3063\u3066\u4ee3\u308f\u308b\u4e8b\u306b\u306a\u308b\u4e88\u5b9a\u306ess\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002<\/p>\n

\u2026\u3068\u3001\u601d\u3063\u305f\u77e2\u5148\u306b\u3001\u8272\u3005\u3068\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001ss\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u73fe\u884c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3
\n\uff08iproute-3.10.0\uff09\u306b\u30d0\u30b0\u304c\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002
\n\uff08Red hat\u793e\u3067\u3082\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\uff09<\/p>\n

https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=1063927<\/a>\nhttp:\/\/d.hatena.ne.jp\/ozuma\/20140915\/1410774381<\/a>\n<\/pre>\n
\u3053\u3061\u3089\u306e\u30b5\u30a4\u30c8\u306b\u3082\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u3001ss -natu\u30b3\u30de\u30f3\u30c9\u3067TCP\u3068UDP\u306e\u30dd\u30fc\u30c8\u3092\u4e00\u5ea6\u306b
\n\u8868\u793a\u3059\u308b\u3068\u3001\u4e00\u90e8UDP\u306e\u30dd\u30fc\u30c8\u304cTCP\u3067\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
# ss -natu<\/strong>\nNetid State      Recv-Q Send-Q         Local Address:Port            Peer Address:Port\ntcp   UNCONN     0      0               192.168.122.1:53                   *:*\ntcp   UNCONN     0      0                          *:67                    *:*\ntcp   UNCONN     0      0                          *:111                   *:*\ntcp   UNCONN     0      0                          *:123                   *:*\ntcp   UNCONN     0      0                          *:5353                  *:*\ntcp   UNCONN     0      0                   127.0.0.1:323                  *:*\ntcp   UNCONN     0      0                         *:52558                  *:*\ntcp   UNCONN     0      0                         *:53660                  *:*\ntcp   UNCONN     0      0                          *:929                   *:*\ntcp   UNCONN     0      0                   127.0.0.1:952                  *:*\ntcp   LISTEN     0      100                 127.0.0.1:25                   *:*\ntcp   LISTEN     0      128                        *:443                   *:*\ntcp   LISTEN     0      128                        *:111                   *:*\ntcp   LISTEN     0      128                         *:80                   *:*\ntcp   LISTEN     0      5               192.168.122.1:53                   *:*\ntcp   LISTEN     0      128                         *:22                   *:*\ntcp   LISTEN     0      128                      *:49912                   *:*\ntcp   ESTAB     0       96               172.16.36.28:22           172.16.255.39:56035\n<\/pre>\n
\u305d\u306e\u305f\u3081\u3001iproute\u30923.14.0\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002
\n\u73fe\u72b6\u3067\u306f\u3001yum update\u306a\u3069\u3067\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u307e\u3060\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001rpm\u30d1\u30c3\u30b1\u30fc\u30b8\u3092
\n\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n
# wget ftp:\/\/ftp.univie.ac.at\/systems\/linux\/fedora\/updates\/20\/x86_64\/\niproute-3.14.0-2.fc20.x86_64.rpm\n# wget ftp:\/\/rpmfind.net\/linux\/fedora\/linux\/development\/rawhide\/x86_64\/\nos\/Packages\/l\/linux-atm-libs-2.5.1-12.fc23.x86_64.rpm\n<\/pre>\n
# rpm -ivh linux-atm-libs-2.5.1-12.fc23.x86_64.rpm\n\u6e96\u5099\u3057\u3066\u3044\u307e\u3059...              ################################# [100%]\n\u66f4\u65b0\u4e2d \/ \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e2d...\n1:linux-atm-libs-2.5.1-12.fc23     ################################# [100%]\n\n# rpm -Uvh iproute-3.14.0-2.fc20.x86_64.rpm\n\u8b66\u544a: iproute-3.14.0-2.fc20.x86_64.rpm: \u30d8\u30c3\u30c0\u30fc V3 RSA\/SHA256 Signature\u3001\n\u9375 ID 246110c1: NOKEY\n\u6e96\u5099\u3057\u3066\u3044\u307e\u3059...              ################################# [100%]\n\u66f4\u65b0\u4e2d \/ \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e2d...\n1:iproute-3.14.0-2.fc20            ################################# [ 50%]\n\u6574\u7406\u4e2d \/ \u524a\u9664\u4e2d...\n2:iproute-3.10.0-13.el7            ################################# [100%]\n<\/pre>\n
\u3053\u306e\u7d50\u679c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
# ss -natu<\/strong>\nNetid State      Recv-Q Send-Q          Local Address:Port            Peer Address:Port\nudp   UNCONN     0      0                 192.168.122.1:53                   *:*\nudp   UNCONN     0      0                      *%virbr0:67                   *:*\nudp   UNCONN     0      0                            *:111                   *:*\nudp   UNCONN     0      0                            *:123                   *:*\nudp   UNCONN     0      0                           *:5353                   *:*\nudp   UNCONN     0      0                    127.0.0.1:323                   *:*\nudp   UNCONN     0      0                           *:52558                  *:*\nudp   UNCONN     0      0                           *:53660                  *:*\nudp   UNCONN     0      0                            *:929                   *:*\nudp   UNCONN     0      0                    127.0.0.1:952                   *:*\ntcp   LISTEN     0      100                   127.0.0.1:25                   *:*\ntcp   LISTEN     0      128                          *:443                   *:*\ntcp   LISTEN     0      128                          *:111                   *:*\ntcp   LISTEN     0      128                          *:80                    *:*\ntcp   LISTEN     0      5                 192.168.122.1:53                   *:*\ntcp   LISTEN     0      128                          *:22                    *:*\ntcp   LISTEN     0      128                        *:49912                   *:*\ntcp   ESTAB      0      96                 172.16.36.28:22          172.16.255.39:56035\n<\/pre>\n
\u3068\u3044\u3046\u8a33\u3067\u3001\u6c17\u3092\u53d6\u308a\u76f4\u3057\u3066\u3001\u6539\u3081\u3066ss\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002
\nss\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u4e00\u89a7\u306a\u3069\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u306b\u306a\u308a\u307e\u3059\u3002
\n\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3010\u30aa\u30d7\u30b7\u30e7\u30f3\u3011\n-V\u2026\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\n-n\u2026\u30b5\u30fc\u30d3\u30b9\u540d\u306b\u5909\u63db\u305b\u305a\u306b\u8868\u793a\n-r\u2026\u30db\u30b9\u30c8\u540d\u3092\u540d\u524d\u89e3\u6c7a\n-a\u2026\u5168\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u8868\u793a\n-l\u958b\u3044\u3066\u3044\u308b\u30dd\u30fc\u30c8\u3092\u8868\u793a\n-o\u2026\u5b9f\u884c\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u304c\u8868\u793a\n-e\u2026\u8a73\u7d30\u306b\u8868\u793a\n-m\u2026\u5404\u30bd\u30b1\u30c3\u30c8\u306e\u30e1\u30e2\u30ea\u30fc\u306e\u4f7f\u7528\u91cf\u304c\u8868\u793a\n-p\u2026\u4f7f\u7528\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u3068\u7d10\u4ed8\u3044\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u756a\u53f7\u304c\u8868\u793a\n-i\u2026\u5185\u90e8TCP\u60c5\u5831\n-s\u2026\u96c6\u7d04\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u60c5\u5831\n-b\u2026bpf filter socket\u60c5\u5831\n-4\u2026IPv4\u306e\u307f\u8868\u793a\n-6\u2026IPv6\u306e\u307f\u8868\u793a\n-0\u2026\u30d1\u30b1\u30c3\u30c8\u3092\u8868\u793a\n-t\u2026TCP\u60c5\u5831\u306e\u307f\u8868\u793a\n-u\u2026UDP\u60c5\u5831\u306e\u307f\u8868\u793a\n-d\u2026DCCP\u60c5\u5831\u306e\u307f\u8868\u793a\n-w\u2026RAW\u60c5\u5831\u306e\u307f\u8868\u793a\n-x\u2026UNIX\u60c5\u5831\u306e\u307f\u8868\u793a\n<\/pre>\n
\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u8272\u3005\u3042\u308a\u307e\u3059\u304c\u3001\u8d77\u52d5\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u306e\u78ba\u8a8d\u306a\u3069\u3092\u884c\u3046\u5834\u5408\u3001\u5148\u7a0b\u3082\u5b9f\u884c\u3057\u305f\u300c-natu\u300d\u3092
\n\u4ed8\u3051\u308c\u3070\u3001TCP\u3068UDP\u306e\u8d77\u52d5\u3057\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u78ba\u8a8d\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
# ss -natu<\/strong>\nNetid State      Recv-Q Send-Q          Local Address:Port            Peer Address:Port\nudp   UNCONN     0      0                 192.168.122.1:53                   *:*\nudp   UNCONN     0      0                     *%virbr0:67                    *:*\nudp   UNCONN     0      0                           *:111                    *:*\nudp   UNCONN     0      0                           *:123                    *:*\nudp   UNCONN     0      0                           *:5353                   *:*\nudp   UNCONN     0      0                    127.0.0.1:323                   *:*\nudp   UNCONN     0      0                         *:52558                    *:*\nudp   UNCONN     0      0                         *:53660                    *:*\nudp   UNCONN     0      0                           *:929                    *:*\nudp   UNCONN     0      0                    127.0.0.1:952                   *:*\ntcp   LISTEN     0      100                   127.0.0.1:25                   *:*\ntcp   LISTEN     0      128                         *:443                    *:*\ntcp   LISTEN     0      128                         *:111                    *:*\ntcp   LISTEN     0      128                          *:80                    *:*\ntcp   LISTEN     0      5                 192.168.122.1:53                   *:*\ntcp   LISTEN     0      128                          *:22                    *:*\ntcp   LISTEN     0      128                       *:49912                    *:*\ntcp   TIME-WAIT  0      0                 127.0.0.1:35484                127.0.0.1:80\ntcp   ESTAB      0      96                172.16.36.28:22         172.16.255.39:56035\n<\/pre>\n
\u307e\u305f\u3001\u300cp\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u308b\u3068\u3001\u8d77\u52d5\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u7d10\u4ed8\u3044\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u78ba\u8a8d\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
# ss -natup | grep 80<\/strong>\ntcp   LISTEN     0   128     *:80     *:*\nusers:((\"httpd\",pid=8532,fd=3),(\"httpd\",pid=8531,fd=3),(\"httpd\",pid=8530,fd=3),\n(\"httpd\",pid=8529,fd=3),(\"httpd\",pid=8528,fd=3),(\"httpd\",pid=8527,fd=3),(\"httpd\",pid=8526,fd=3))\n\n# ps auxf | grep httpd<\/strong>\nroot     13401  0.0  0.0 112656   988 pts\/0   S+   16:16   0:00    \\_ grep --color=auto httpd\nroot     8526  0.0  0.8 238324   8468 ?     Ss   14:23   0:00      \/usr\/sbin\/httpd -DFOREGROUND\napache    8527  0.0  0.3 240336   3500 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\napache    8528  0.0  0.4 240544   4520 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\napache    8529  0.0  0.4 240544   4520 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\napache    8530  0.0  0.4 240544   4520 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\napache    8531  0.0  0.4 240544   4520 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\napache    8532  0.0  0.4 240544   4520 ?     S    14:23   0:00   \\_ \/usr\/sbin\/httpd -DFOREGROUND\n<\/pre>\n
\u300cs\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u308b\u3068\u3001\u96c6\u7d04\u3057\u305f\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n
# ss -s<\/strong>\nTotal: 372 (kernel 510)\nTCP:   109 (estab 1, closed 101, orphaned 0, synrecv 0, timewait 100\/0), ports 0\n\nTransport  Total     IP        IPv6\n*           510       -         -\nRAW           0       0         0\nUDP          10      10         0\nTCP           8       8         0\nINET         18      18         0\nFRAG          0       0         0\n<\/pre>\n
\u3053\u308c\u3060\u3051\u3060\u3068\u3001\u5206\u308a\u8f9b\u3044\u306e\u3067\u3001\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u4e00\u7dd2\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
# ss -natus<\/strong>\nTotal: 372 (kernel 510)\nTCP:   109 (estab 1, closed 101, orphaned 0, synrecv 0, timewait 100\/0), ports 0\n\nTransport   Total     IP        IPv6\n*             510     -         -\nRAW             0     0         0\nUDP            10    10         0\nTCP             8     8         0\nINET           18    18         0\nFRAG            0     0         0\n\nNetid State      Recv-Q Send-Q               Local Address:Port                Peer Address:Port\nudp   UNCONN     0     0                        92.168.122.1:53                       *:*\nudp   UNCONN     0     0                            *%virbr0:67                       *:*\nudp   UNCONN     0     0                                  *:111                       *:*\nudp   UNCONN     0     0                                  *:123                       *:*\nudp   UNCONN     0     0                                 *:5353                       *:*\nudp   UNCONN     0     0                          127.0.0.1:323                       *:*\nudp   UNCONN     0     0                                *:52558                       *:*\nudp   UNCONN     0     0                                *:53660                       *:*\nudp   UNCONN     0     0                                  *:929                       *:*\nudp   UNCONN     0     0                          127.0.0.1:952                       *:*\ntcp   LISTEN     0    100                          127.0.0.1:25                       *:*\ntcp   LISTEN     0    128                                 *:443                       *:*\ntcp   LISTEN     0    128                                 *:111                       *:*\ntcp   LISTEN     0    128                                 *:80                        *:*\ntcp   LISTEN     0     5                       192.168.122.1:53                       *:*\ntcp   LISTEN     0    128                                 *:22                        *:*\ntcp   LISTEN     0    128                               *:49912                       *:*\ntcp   TIME-WAIT   0     0                          127.0.0.1:80                 127.0.0.1:35582\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35518\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35543\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35495\ntcp   ESTAB       0     96                     172.16.36.28:22              172.16.255.39:56035\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35506\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35513\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35567\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35497\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35508\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35487\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35583\ntcp   TIME-WAIT   0     0                         127.0.0.1:80                  127.0.0.1:35547\n\uff5e \u4ee5\u4e0b\u7701\u7565 \uff5e\n<\/pre>\n
\u4ed6\u306b\u3082\u7d44\u307f\u5408\u308f\u305b\u6b21\u7b2c\u3067\u3001\u8272\u3005\u306a\u4f7f\u3044\u65b9\u304c\u3067\u304d\u305d\u3046\u3067\u3059\u3002
\n\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u3001\u307e\u3060\u9593\u3082\u306a\u3044\u306e\u3067\u3001\u60c5\u5831\u304c\u307e\u3060\u307e\u3060\u5c11\u306a\u304b\u3063\u305f\u308a\u3001\u30d0\u30b0\u304c\u3042\u3063\u305f\u308a\u3068\u3001\u4eca\u3059\u3050netstat
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\n\u60f3\u50cf\u3092\u5de1\u3089\u305b\u3066\u3001\u4eca\u5f8c\u3082\u5f15\u304d\u7d9a\u304d\u60c5\u5831\u53ce\u96c6\u306b\u52aa\u3081\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002
\n\uff08\u305d\u308c\u304c\u3001IT\u696d\u754c\u306b\u8eab\u3092\u7f6e\u304f\u918d\u9190\u5473\u306e\u4e00\u3064\u3060\u3068\u601d\u3046\u306e\u3067\u3002\uff09<\/p>\n
\u25a0\u53c2\u8003
\nhttps:\/\/bugzilla.redhat.com\/show_bug.cgi?id=1063927<\/a>
\nhttp:\/\/d.hatena.ne.jp\/ozuma\/20140915\/1410774381<\/a>
\nhttps:\/\/www.upken.jp\/kb\/cent6-cent7.html<\/a>
\nhttp:\/\/confluence.sharuru07.jp\/pages\/viewpage.action?pageId=361352<\/a><\/p>\n
\u4ee5\u4e0a<\/p>\n","protected":false},"excerpt":{"rendered":"
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