On Monday 21 April 2003 02:37 pm, Dan Drake wrote: > On Mon, 21 Apr 2003 at 01:07PM -0500, Thomas Eibner wrote: > > ATT (Now comcast) does NOT allow servers, > > I'm on ATT, and I notice that they ping my webserver every couple days, and > once or twice they've tested my mail server for an open relay (in my mail > logs I see an attempt to relay to an address like "relaytest at rr.com"). In > each case the source is security.rr.com. > > Solution? > > $ iptables -A INPUT -s security.rr.com -j DROP I hope you do this after you boot and not in your /etc/sysconfig. Since iptables starts before dns, this above rule would fail. I see the "$", so I think you mean you do that at a shell. -- Bob Tanner <tanner at real-time.com> | Phone : (952)943-8700 http://www.mn-linux.org, Minnesota, Linux | Fax : (952)943-8500 Key fingerprint = AB15 0BDF BCDE 4369 5B42 1973 7CF1 A709 2CC1 B288 _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list