Closing port 631 from other computers

[Ed Greshko]

On 11/03/14 14:58, Jarmo Hurri wrote:
> The only semi-rational explanation I have for this at the moment is that
> internally my LAN address 10.13.3.247 maps to localhost.localdomain, so
> maybe connecting to 10.13.3.247 with nmap bypasses the firewall?

Yes.  You can't check the firewall of a system by using nmap on the same system.

-- 
If you can't laugh at yourself, others will gladly oblige.