nanog mailing list archives
Re: BCP38 thread 93,871,738,435 + SPF
From: Michael.Dillon () btradianz com
Date: Fri, 27 Oct 2006 16:53:15 +0100
How is this attack avoided?Sounds like the attack is inherent in SPF. In that case,how did the thread about dns providers and rfc compliance morph into SPF and spam discussions?
Ask Doug Otis. He stated that SPF sets the stage for DDoS attacks against DNS servers. Presumably he said this because it points to another *COST* of DDoS that could be used as a business justification to implement BCP38. Or you could look at it as a weakness of SPF that should be used as a justification for discouraging its use. After all if we discourage botnets because they are DDoS enablers, shouldn't we discourage other DDoS enablers like SPF? --Michael Dillon
Current thread:
- Re: BCP38 thread 93,871,738,435 (was Re: register.com down sev0?) Fergie (Oct 25)
- Re: BCP38 thread 93,871,738,435 (was Re: register.com down sev0?) Sean Donelan (Oct 25)
- Re: BCP38 thread 93,871,738,435 (was Re: register.com down sev0?) Per Heldal (Oct 26)
- Re: BCP38 thread 93,871,738,435 (was Re: register.com down sev0?) Steven M. Bellovin (Oct 26)
- Re: BCP38 thread 93,871,738,435 Florian Weimer (Oct 26)
- Re: BCP38 thread 93,871,738,435 Steven M. Bellovin (Oct 26)
- Re: BCP38 thread 93,871,738,435 + SPF Douglas Otis (Oct 26)
- Re: BCP38 thread 93,871,738,435 + SPF Michael . Dillon (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Chris L. Morrow (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Michael . Dillon (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Chris L. Morrow (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Douglas Otis (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Gadi Evron (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Douglas Otis (Oct 29)
- Re: BCP38 thread 93,871,738,435 + SPF Gadi Evron (Oct 29)
- Re: BCP38 thread 93,871,738,435 + SPF Douglas Otis (Oct 29)
- Re: BCP38 thread 93,871,738,435 + SPF Gadi Evron (Oct 29)
- Re: BCP38 thread 93,871,738,435 (was Re: register.com down sev0?) Sean Donelan (Oct 25)
- Re: BCP38 thread 93,871,738,435 + SPF Randy Bush (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Florian Weimer (Oct 27)
- Re: BCP38 thread 93,871,738,435 + SPF Douglas Otis (Oct 27)