Linux System Management-(13)-Network Configuration View SS command

SS Command:
Format: ss [OPTION] ... [FILTER]

Options:
-T:TCP protocol Related
-U:UDP protocol Related
-W: Bare Socket related
-x:unix Sock Related
-l:listen State of connection
-A: All
-N: Number format
-P: Related programs and PID
-E: Extended information
-M: Memory usage
-O: Timer information

FILTER: = [state TCP status] [EXPRESSION]

Common State of TCP:
TCP Finite state machine:
LISTEN: Monitoring
Established: Established connection
Fin_wait_1 Disconnect State 1
Fin_wait_2 Disconnect State 2
Syn_sent SYN has been sent
Syn_recv SYN has been received
CLOSED off

EXPRESSION:
Dport =
Sport =
Example: ' (Dport =: ssh or sport =: SSH) '

Common combinations:
-tan,-tanl,-TANLP,-uan

Linux System Management-(13)-Network Configuration View SS command