On Wed, Jan 7, 2009 at 12:58 PM, Leonid Evdokimov <[email protected]> wrote:

> Norman Rasmussen wrote:
>
>> I (as a server admin) want to protect my server from attacks.
>>
>
> Obfuscation != protection.
> Whole protection is as secure as weakest element of it, don't forget that.
>
> Yes, I know, hiding IP makes flood attack a bit more complicated, but you
> should never forget about social engineering:
>
> <malicious> Wow! I see, you use jabber. I would like to use it too, but all
> ICQ transports I used were unstable. What server do you use?
> <victim> icq.example.org
>
> malici...@botmaster$ sudo ping -f icq.example.org
> ............
>

By assuming the attacker knows about jabber, you've already increased his
intelligence.  I would primarily like to hide my transport's IP address from
other ICQ clients, so that the script kiddies that don't know about jabber
can't attack my server by mistake.

-- 
- Norman Rasmussen
- Email: [email protected]
- Home page: http://norman.rasmussen.co.za/

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