restricting access to e-mail, etc.

[Vladislav S. Davidzon]

You can try and filter out all accces to ports 6666,6667,6668, maybe even
7000... Usually IRC is on port 6667, however that will not always do the
job for certain servers.

Regards,


Vladislav Davidzon
Technology Assistant, Farmington Community Library 
(248) 553-0300 (#333)
Unix/NT/Network Consultant & Web Designer

"The word impossible is not in my dictionary."
-Napoleon Bonaparte

On Tue, 14 Jul 1998, Bob Jones wrote:

> 
> Is there a separate port that could be blocked to stop "chat"/IRC?
> Thanks.
> 
> 
> Bob Jones                                    mailto:bjones at unf.edu
> Head, Public Services Division and Systems Coordinator
> University of North Florida Library          http://www.unf.edu/library/    
> P.O. Box 17605                               (904) 620-2552 (SC 861-2552) 
> Jacksonville, FL  32245-7605                 FAX: (904) 620-2719
>                                              ARIEL: 139.62.208.88
> 
> 
> 
> On Tue, 14 Jul 1998, Peter Murray wrote:
> 
> > --On Tue, Jul 14, 1998 9:11 AM -0700 "Albert Lunde" <Albert-Lunde at nwu.edu>
> > wrote: 
> > 
> > > For POP/SMTP e-mail, I think this would be port 25 TCP (SMTP), port 110
> > TCP
> > > (POP3), the ports used by DNS (I forget), and maybe some other stuff to
> > > allow access to your file servers.
> > 
> > DNS is port 53 -- both UDP and TCP.
> > 
> > 
> > Peter
> > --
> > Peter Murray, Library Systems Manager                    pem at po.cwru.edu
> > Digital Media Services                 http://www.cwru.edu/home/pem.html
> > Case Western Reserve University, Cleveland, Ohio          W:216-368-5888
> > 
> > 
> > 
>