[Freeswitch-users] needs some advice to secure my system

[Michael Collins]

Also, don't forget that the author of SIPVicious came and spoke to us about
his project. He mentioned that most friendly scanners are using an older
version of SIPVicious that susceptible to a "retaliatory attack" that will
bring the script to a screeching halt.

http://wiki.freeswitch.org/wiki/Weekly_Conference_Call (get recording from
2011-04-13)

-MC

On Tue, Feb 14, 2012 at 9:05 AM, Avi Marcus <avi at avimarcus.net> wrote:

> I saw some comments about friendly-scanner that putting a REJECT in
> iptables or responding with a SIP 200 OK caused the scanner to stop
> nearly immediately. Might be worth looking into..
>
> -Avi
>
>
> On Tue, Feb 14, 2012 at 6:40 PM, Michael Giagnocavo <mgg at giagnocavo.net>wrote:
>
>> ACL’ing like folks have suggested should help. But the problem is these
>> attacks don’t always stop just because you’ve stopped responding. I’ve seen
>> multi-day sustained scans at 30Mbps, but I’m sure they go much higher.***
>> *
>>
>> ** **
>>
>> As folks have suggested, run SIP on another port to avoid detection, and
>> only open your firewall on 5060 for absolute necessities.****
>>
>> ** **
>>
>> I was under the impression that Canadian bandwidth limits were more for
>> DSL and the like. If you get a colo’d machine or something, you should not
>> have problems with caps, right?****
>>
>> ** **
>>
>> -Michael****
>>
>> ** **
>>
>> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
>> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Philippe
>> Le Toquin
>> *Sent:* Tuesday, February 07, 2012 7:42 AM
>> *To:* FreeSWITCH-users at lists.freeswitch.org
>> *Subject:* [Freeswitch-users] needs some advice to secure my system****
>>
>> ** **
>>
>> Hello,
>>
>> Sorry to ask like that but could someone points me to some site that
>> explains exactly what I need to open towards the internet so that
>> my FS server is working while limiting its visibility?
>>
>> since 1st of February I have an IP that continually sends me SIP Register
>> request at a rate of 70KB/s. I have complained to my internet
>> provider but they refuse to help saying that the problem is on my side. I
>> also logged a complain to the provider on that IP and am waiting on that.
>>
>> At the moment on my firewall I opened port 5060 and 5080 (well now I
>> blocked as well that IP) but I want to know if both are really needed or if
>> I could block one of them
>>  or may be limit the port to some IP.
>>
>> Any help/links will be gladly received
>>
>> thanks
>>
>> /Philippe****
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
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>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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