Linux Network Monitoring Tool ss, network monitoring ss

Linux Network Monitoring Tool ss, network monitoring ss

The ss command is used to display information about active sockets. Similar to netstat, but faster and more efficient than netstat.

 

ss -h

Usage: ss [OPTIONS] ss [OPTIONS] [FILTER]-h, -- help this message-V, -- version output version information-n, -- numeric don't resolve service names does not parse the service name-r, -- resolve host names resolves the host name-a, -- all display all sockets-l, -- listening display listening sockets: display listening socket-o, -- options show timer information display timer information-e, -- extended show detailed socket information display detailed socket information-m, -- memory show socket memory usage-p, -- processes show process using socket display process message-I, -- info show internal TCP information-s, -- summary show socket usage summary information-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-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-f, -- family = FAMILY display sockets of type FAMILY-A, -- query = QUERY, -- socket = QUERY :={ all | inet | tcp | udp | raw | unix | packet | netlink} [, QUERY]-D, -- diag = FILE Dump raw information about TCP sockets to FILE-F, -- filter = FILE read filter information from file filter: = [state TCP-STATE] [EXPRESSION]

View the process listening port

ss -pl