JAEN

Linux

ss

SafeSockets and listening ports

ss -tulpn

Successor to netstat; lists listening ports and processes fast.

Examples

  • ss -tulpnTCP/UDP listeners with PID

Syntax

ss -tulpn

Before you run it

Read-only.

Used when you see

Port already in use
3
Same check on Linuxss/lsof to find the owner
See the whole flow →
Cannot connect remotely / VPN
4
Is the service listening?Check listening ports
See the whole flow →

Related commands

  • netstatConnections and listening ports
  • lsofOpen files/ports

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