ss:tldr:d89a2
The command ss -t src :${443}
is used to display TCP sockets based on the source port number.
Here is the breakdown:
-
ss
: This is the command to invoke the socket statistics tool (ss
). It is used to display detailed information about network sockets on a Linux system. -
-t
: This is an option flag used with thess
command to specifically filter TCP sockets. It limits the output to only display TCP sockets. -
src
: This is a filter used withss
to display sockets based on the source port number. -
:${443}
: This is the value specified for the source port filter. The:
symbol is used to indicate that the subsequent value is a port number, and443
is the port number being filtered.
So, when you run this command, it will show you all the TCP sockets on your system with the source port number 443
.