Ive still got my traffic blocked for that reason - the second I drop the filter the pipes plug up..
On Fri, 31 Oct 2003, Derek Zeanah wrote: > > >I was chatting with our internet provider who gets their feed from ATT, > >he notified me that they are blocking all ICMP protocols. > >By gosh by golly, I can't ping, tracert, nothing... Is this new? > >Shall I complain? > > > > I'm not sure you'll be able to do much. > > You remember that last batch of Microsoft RPC worms? There was another > that followed it up, supposedly designed to "fix" the vulnerability, but > that's questionable. Anyway, this follow-up (called Welchia, among > other things) has a nasty habit of causing pingstorms. It wants to ping > the entire IP address space sequentially, from what I can tell, looking > for new hosts to try and infect. > > I've seen one infected machine consume so much bandwidth that no-one > else could access the T1, going through each IP sequentially... > > Anyway, my ISP (Megapath) shut off ICMP traffic temporarily to make the > network usable gain; now tracert's coming from outside the network > behave as advertized, but anything initiated within the network gets > stomped. AT&T is probably doing the same, and I doubt they'll change > anything until Welchia runs its course. > > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
