nanog mailing list archives
Re: zotob - blocking tcp/445
From: "Christopher L. Morrow" <christopher.morrow () mci com>
Date: Tue, 16 Aug 2005 14:20:35 +0000 (GMT)
On Tue, 16 Aug 2005, Joe Maimon wrote:
Christopher L. Morrow wrote:On Mon, 15 Aug 2005, surfer () mauigateway com wrote:NetBIOS was never meant to be a WAN protocol, so no problem in blocking it.rule #1: do not be the Internet's Firewall rule #2: see rule #1Surely we realize that this discussion is not concerning the oft repeated "Internet's Firewall" debate. This is network self preservation. Otherwise the garbage will eventually suffocate us all.
and again I point to the above rules. What your network can't handle 'scanning wise' is completely different from what the network I work on can handle. If your network is being jeopardized by some level of scanning they fix that, but that is a local decision. Blindly stating "large isps filter port X" is just disingenuous, there are certainly cases as exceptions, most of which end with the ISP in question saying: "Wow that was a lot more painful than we thought originally:("
Current thread:
- Re: zotob - blocking tcp/445, (continued)
- Re: zotob - blocking tcp/445 Daniel Senie (Aug 16)
- Re: zotob - blocking tcp/445 Christopher L. Morrow (Aug 16)
- Re: zotob - blocking tcp/445 Christopher L. Morrow (Aug 15)
- Re: zotob - blocking tcp/445 Shane Amante (Aug 15)
- Re: zotob - blocking tcp/445 Valdis . Kletnieks (Aug 15)
- Re: zotob - blocking tcp/445 Christopher L. Morrow (Aug 15)
- Re: zotob - blocking tcp/445 Randy Bush (Aug 16)
- blocking: What, How, Where Peter Dambier (Aug 16)
- Re: zotob - blocking tcp/445 Joe Maimon (Aug 16)
- Re: zotob - blocking tcp/445 Petri Helenius (Aug 16)
- Re: zotob - blocking tcp/445 Christopher L. Morrow (Aug 16)
- Re: zotob - blocking tcp/445 Sean Donelan (Aug 16)
- Re: zotob - blocking tcp/445 Gadi Evron (Aug 16)
- Re: zotob - blocking tcp/445 Randy Bush (Aug 16)
- Re: zotob - blocking tcp/445 Gadi Evron (Aug 16)
- Re: zotob - blocking tcp/445 routerg (Aug 17)
- Re: zotob - blocking tcp/445 James Baldwin (Aug 18)
- Re: zotob - blocking tcp/445 routerg (Aug 18)
- Fwd: zotob - blocking tcp/445 My Name (Aug 18)
- Re: zotob - blocking tcp/445 (Aug 18)