[VOIPSEC] Analysis of a VoIP Attack

[Hendrik Scholz]

Hi Alex!

Alex Eckelberry wrote:
> However, you don't seem to draw the same conclusions,
> rather that the attackers were simply trying to find insecure gateways.

Has anybody a list of IP ranges scanned/attacked?
In the cases that I've seen the victims were all running on DSL lines.
This puts it more into the area of end customer devices and not
high-bandwidth PSTN gateways.
Still one would be able to do 2-10 calls per DSL line.

Just my $.02,
 Hendrik

-- 
Hendrik Scholz <hs at 123.org>