From 32f712b62618dc207d68330cb249ed9701cdfb3e Mon Sep 17 00:00:00 2001 From: vic Date: Wed, 26 Jul 2017 15:58:01 +0800 Subject: [PATCH] Translated --- ...ss another way to get socket statistics.md | 28 ++++++++----------- 1 file changed, 12 insertions(+), 16 deletions(-) diff --git a/sources/tech/20170725 ss another way to get socket statistics.md b/sources/tech/20170725 ss another way to get socket statistics.md index 4d560a579a..250ed2c756 100644 --- a/sources/tech/20170725 ss another way to get socket statistics.md +++ b/sources/tech/20170725 ss another way to get socket statistics.md @@ -1,13 +1,9 @@ - Vic020 - -ss: another way to get socket statistics +ss: 获得socket统计的另一种方法 ============================================================ -### Share or save +在之前的文章中,我有提到**ss**, _iproute2_ 包附带的另一个工具, 允许你查询socket的有关统计信息. 可以完成**netstat**同样的任务, 但是,ss稍微快一点而且命令更简短. -In an earlier blog post I mentioned **ss**, another tool that comes with the  _iproute2_  package and allows you to query statistics about sockets. The same thing that can be done with **netstat**, with the added benefit that it is typically a little bit faster, and shorter to type. - -Just **ss **by default will display much the same thing as netstat, and can be similarly passed options to limit the output to just what you want. For instance: +直接输入**ss**, 默认会显示与netstat同样的内容, 并且输入类似的参数可以获取你想要的类似输出. 例如: ``` $ ss -t @@ -15,15 +11,15 @@ State       Recv-Q Send-Q       Local Address:Port                 ESTAB       0      0                127.0.0.1:postgresql                     127.0.0.1:48154 ESTAB       0      0            192.168.0.136:35296                      192.168.0.120:8009 ESTAB       0      0            192.168.0.136:47574                     173.194.74.189:https +[…] ``` -[…] -**ss -t **shows just TCP connections. **ss -u **can be used to show UDP connections, **-l **will show only listening ports, and things can be further filtered to just the information you want. +**ss -t** 只显示TCP连接. **ss -u** 用于显示UDP连接, **-l** 只会显示监听的端口,而且可以进一步过滤到任何想要的信息。 -I have not tested all the possible options, but you can even forcibly close sockets with **-K**. +我并没有测试所有可用参数, 但是可以使用 **-K** 强制关闭socket. -One place where **ss** really shines though is in its filtering capabilities. Let’s list all connections with a source port of 22 (ssh): +**ss**真正耀眼的地方是内置的过滤能力.让我们列出所有端口为22(ssh)的连接: ``` $ ss state all sport = :ssh @@ -33,7 +29,7 @@ tcp   ESTAB      0      0          192.168.0.136:ssh           tcp   LISTEN     0      128                   :::ssh                                 :::* ``` -And if I want to show only connected sockets (everything but  _listening_  or  _closed_ ): +如果只想看已建立的socket(排除了 _listening_ 和 _closed_ ): ``` $ ss state connected sport = :ssh @@ -41,7 +37,7 @@ Netid State      Recv-Q Send-Q     Local Address:Port               tcp   ESTAB      0      0          192.168.0.136:ssh                      192.168.0.102:46540 ``` -Similarly, you can have it list all connections to a specific host or range; in this case, using the 74.125.0.0/16 subnet, which apparently belongs to Google: +类似的, 可以列出指定的host或者ip段; 例如, 列出到达74.125.0.0/16子网的连接, 这个子网属于Google: ``` $ ss state all dst 74.125.0.0/16 @@ -51,16 +47,16 @@ tcp   ESTAB      0      0          192.168.0.136:42034         tcp   ESTAB      0      0          192.168.0.136:57408                   74.125.202.189:https ``` -This is very much the same syntax as for  _iptables_ , so if you’re familiar with that already, it will be quite easy to pick up. You can also install the  _iproute2-doc_  package, and look in  _/usr/share/doc/iproute2-doc/ss.html_  for the full documentation. +ss与 _iptables_ 的语法非常相同, 如果已经熟悉了其语法, ss非常容易上手. 也可以安装 _iproute2-doc_ 包, 通过 _/usr/share/doc/iproute2-doc/ss.html_ 获得完整文档. -Try it for yourself! You’ll see how well it works. If anything, I’m glad for the fewer characters this makes me type. +还不快试试! 你就可以知道它有多棒.无论如何, 让我输入的字符越少我越高兴. -------------------------------------------------------------------------------- via: https://insights.ubuntu.com/2017/07/25/ss-another-way-to-get-socket-statistics/ 作者：[ Mathieu Trudel-Lapierre ][a] -译者：[译者ID](https://github.com/译者ID) +译者：[VicYu](https://vicyu.com) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出