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Linux ss

The ss command is a replacement for netstat command. This command gives more information in comparison to the netstat. It is also faster than netstat as it gets all information from kernel userspace.

Syntax:

Look at the above snapshot, ss command displays all TCP, UDP and socket connections.

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Listing listening and connected ports of TCP, UDP and Unix

If you want to list connected as well as listening ports for TCP, UDP and Unix use -t, -u and -x respectively with a command.

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Listing listening Ports of TCP, UDP and Unix

If you want to list listening ports for TCP, UDP and Unix use -t, -u and -x respectively with l command.

Syntax: