This script is Copyright (C) 2010-2013 Tenable Network Security, Inc.
The remote host has IP forwarding enabled.
The remote host has IP forwarding enabled. An attacker may use this
flaw to route packets through this host and potentially bypass some
firewalls / routers / NAC filtering.
Unless the remote host is a router, it is recommended that you disable
On Linux, you can disable IP forwarding by doing :
echo 0 > /proc/sys/net/ipv4/ip_forward
On Windows, set the key 'IPEnableRouter' to 0 under
On Mac OS X, you can disable IP forwarding by executing the command :
sysctl -w net.inet.ip.forwarding=0
For other systems, check with your vendor.
Risk factor :
Low / CVSS Base Score : 3.2
Nessus Plugin ID: 50686 ()
CVE ID: CVE-1999-0511