funsec mailing list archives
Re: DoS help
From: RandallM <randallm () fidmail com>
Date: Tue, 9 Nov 2010 20:33:01 -0600
---------------------------------------------------------------------- Message: 1 Date: Tue, 9 Nov 2010 02:18:09 -0500 (EST) From: der Mouse <mouse () Rodents-Montreal ORG> Subject: Re: [funsec] DoS help To: funsec () linuxbox org Message-ID: <201011090718.CAA14998 () Sparkle Rodents-Montreal ORG> Content-Type: text/plain; charset="iso-8859-1"about two hours of it in the afternoon (I've never experienced where it hit the whole damn thing X.X.X.255)[...] I'll bite just in case someone who actually has this problem runs into the thread on Google;Above scenario is indicative of a network being an intermediary in a UDP broadcast amplification attack, i.e. fraggle....and, in most cases, a suitable defense is to make sure that the router(s) into that broadcast domain don't forward directed broadcast traffic, ie, traffic which is not a broadcast on the network the router receives it on but is a broadcast on the network it would otherwise be sent to. (Most networks have no use for such traffic and most routers can be configured this way; indeed, I think some can't be made to behave any other way.) /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mouse () rodents-montreal org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
"don't forwared". the shitty part here is SBC has the cisco internet access router. I can't do crap. and now they tell me I have to talk to them about a threat management service. -- been great, thanks RandyM a.k.a System _______________________________________________ Fun and Misc security discussion for OT posts. https://linuxbox.org/cgi-bin/mailman/listinfo/funsec Note: funsec is a public and open mailing list.
Current thread:
- DoS help RandallM (Nov 08)
- Re: DoS help Dan White (Nov 08)
- Re: DoS help Thomas M Carlsson (Nov 08)
- Re: DoS help der Mouse (Nov 08)
- <Possible follow-ups>
- Re: DoS help RandallM (Nov 09)
- Re: DoS help RandallM (Nov 09)