[VoiceOps] Fraud fun

[Alex Balashov]

On 05/18/2011 12:59 PM, J. Oquendo wrote:
> On 5/18/2011 12:46 PM, Alex Balashov wrote:
>> Ghetto, but goes a long way in helping harden individual Asterisk
>> servers on which one has no choice but to leave the SIP call agent
>> open to the public Internet:
>
> http://www.infiltrated.net/scripts/moreghetto.txt
>
> You could also use the VABL to block known idiots:
>
> wget -qO - www.infiltrated.net/vabl.txt | awk '{print "iptables -A INPUT
> -s "$1" -j DROP" |"sort"}' | uniq | sh
>

Indeed.

I'm a huge fan of http://countries.nerd.dk as a place to get a list of 
all non-ARIN net block assignments and firewalling those off.

-- 
Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/