Nessus SYN scanner

Info Nessus Plugin ID 11219

Synopsis

It is possible to determine which TCP ports are open.

Description

This plugin is a SYN 'half-open' port scanner. It shall be reasonably quick even against a firewalled target.

Note that SYN scans are less intrusive than TCP (full connect) scans against broken services, but they might cause problems for less robust firewalls and also leave unclosed connections on the remote target, if the network is loaded.

Solution

Protect your target with an IP filter.

Plugin Details

Severity: Info

ID: 11219

File Name: nessus_syn_scanner.nbin

Version: $Revision: 1.25 $

Type: remote

Published: 2009/02/04

Modified: 2018/07/19

Dependencies: 33813, 33812

Risk Information

Risk Factor: Info