[isf-wifidog] Multiple Gateway Administration

[Benoit Grégoire]

> No real problem, just an observation using open SMTP relays as an
> example.
> I know of mail servers that listen on port 26 and others that listen on
> port 2525. So just blocking the standard port for a service you don't
> want to allow out of your network isn't necessarily going to work.
>
> Should this be a worry or should I just accept that an open network is
> open so should be open to all services (but then why do I block port
> 25?)

ïle sans fil had this discussion a few months ago.  It was decided that from 
now on our policy is to not block any ports at all (we used to block 25).