TCP Port 0 Open: Possible Backdoor

info Nessus Plugin ID 18164


The remote host has TCP port 0 open.


TCP port 0 is open on the remote host. This is highly suspicious as this TCP port is reserved and should not be used. This might be a backdoor (REx).


Check your system.

See Also

Plugin Details

Severity: Info

ID: 18164

File Name: tcp_port_zero.nasl

Version: 1.13

Type: remote

Family: Backdoors

Published: 4/29/2005

Updated: 3/6/2019