Alpine Linux 网络连接工具 - iproute2 / ip ss

最新推荐文章于 2024-04-28 00:00:00 发布

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最新推荐文章于 2024-04-28 00:00:00 发布 · 4.8k 阅读

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CC 4.0 BY-SA版权

本文介绍了Alpine Linux中的iproute2工具，特别是ss命令用于查看网络链接统计和打开的端口，以及ip命令如何显示网卡、IP地址、路由和ARP信息。

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Alpine Linux 实用工具 - iproute2 / ss

iproute2 安装

apk add iprout2

iproute2 命令 ss

Usage: ss [ OPTIONS ]
		       ss [ OPTIONS ] [ FILTER ]
		   -h, --help          this message
		   -V, --version       output version information
		   -n, --numeric       don't resolve service names
		   -r, --resolve       resolve host names
		   -a, --all           display all sockets
		   -l, --listening     display listening sockets
		   -o, --options       show timer information
		   -e, --extended      show detailed socket information
		   -m, --memory        show socket memory usage
		   -p, --processes     show process using socket
		   -i, --info          show internal TCP information
		       --tipcinfo      show internal tipc socket information
		   -s, --summary       show socket usage summary
		   -b, --bpf           show bpf filter socket information
		   -E, --events        continually display sockets as they are destroyed
		   -Z, --context       display process SELinux security contexts
		   -z, --contexts      display process and socket SELinux security contexts
		   -N, --net           switch to the specified network namespace name
		
		   -4, --ipv4          display only IP version 4 sockets
		   -6, --ipv6          display only IP version 6 sockets
		   -0, --packet        display PACKET sockets
		   -t, --tcp           display only TCP sockets
		   -S, --sctp          display only SCTP sockets
		   -u, --udp           display only UDP sockets
		   -d, --dccp          display only DCCP sockets
		   -w, --raw           display only RAW sockets
		   -x, --unix          display only Unix domain sockets
		       --tipc          display only TIPC sockets
		       --vsock         display only vsock sockets
		   -f, --family=FAMILY display sockets of type FAMILY
		       FAMILY := {
   
   inet|inet6|link|unix|netlink|vsock|tipc|help}
		
		   -K, --kill          forcibly close sockets, display what was closed
		   -H, --no-header     Suppress header line
		
		   -A, --query=QUERY, --socket=QUERY
		       QUERY := {
   
   all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram|tipc}[,QUERY]
		
		   -D, --diag=FILE     Dump raw information about TCP sockets to FILE
		   -F, --filter=FILE   read filter information from FILE
		       FILTER := [ state STATE-FILTER ] [ EXPRESSION ]
		       STATE-FILTER := {
   
   all|connected|synchronized|bucket|big|TCP-STATES}
		         TCP-STATES := {
   
   established|syn-sent|syn-recv|fin-wait-{
   
   1,2}|time-wait|closed|close-wait|last-ack|listening|closing}
		          connected := {
   
   established|syn-sent|syn-recv|fin-wait-{
   
   1,2}|time-wait|close-wait|last-ack|closing}
		       synchronized := {
   
   established|syn-recv|fin-wait-{
   
   1,2}|time-wait|close-wait|last-ack|closing}
		             bucket := {
   
   syn-recv|time-wait}
		                big := {
   
   established|syn-sent|fin-wait-{
   
   1,2}|closed|close-wait|last-ack|listening|closing}

查看网络链接统计
命令：ss -s

# ss -s
Total: 8551
TCP:   5458 (estab 30, closed 5417, orphaned 5

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