ss

cheat/cheatsheets/ss

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+ss
+Utility to investigate sockets
+
+Args
+-4/-6 list ipv4/ipv6 sockets
+-n numeric addresses instead of hostnames
+-l list listing sockets
+-u/-t/-x list udp/tcp/unix sockets
+-p Show process(es) that using socket
+
+# show all listing tcp sockets including the corresponding process
+ss -tlp
+
+# show all sockets connecting to 192.168.2.1 on port 80
+ss -t dst 192.168.2.1:80
+
+# show all ssh related connection
+ss -t state established '( dport = :ssh or sport = :ssh )'