AT&T Broadband

Christopher Schulte schulte+nanog-post at
Tue Dec 18 18:26:03 UTC 2001

At 09:45 AM 12/18/2001 -0600, Matthew S. Hallacy wrote:

>         Anyone know what's up with AT&T Broadband in Minnesota? They 
> appear to be blocking *everything* from 24/8 to 24/8 that isn't
>port 25/tcp 110/tcp 80/tcp 443/tcp, or icmp. Everything else is being 
>dropped into a growing black hole..

Please clarify:

You live on 24/8 as an ATT broadband subscriber.  You try to communicate 
with another ATT broadband subscriber on 24/8.  Your outbound packets to 
said subscriber on 24/8 are dropped unless destination port is one of tcp 
ports 25, 110, 80, 443 or icmp.  The rest of your outbound packets to the 
internet as a whole are forwarded as usual.

Is that a reasonable re-wording of your original post?

>                                                 Thanks,
>                                                 Matthew S. Hallacy


More information about the NANOG mailing list