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3558 posts

Uber Geek
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Topic # 65912 9-Aug-2010 09:53 Send private message

With the amount of SIP hacking on the increase this is a pretty good webinar for those people that are running Asterisk Boxes,

We have seen a increase in SIP hacking attempts across NZ at the moment, it comes and goes in cycles and you would have possibly seen a few News Items about it as well ,

Whilst we take care of the certified devices on VFX, security on Open VFX and Asterisk devices is the users' responsibilty so here is a nice little webinar sent to me by my support team to share with you.

Please Asterisk users take your security seriously as getting burned can be costly for you and us and niether of us want that Cry.

If in doubt seek advice

Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink


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Infrastructure Geek
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Microsoft NZ

  Reply # 365276 9-Aug-2010 10:37 Send private message

i think we've seen some 2000 SIP requests bounce off our firewall in the last two weeks. Varying source IP's and varying CLI's. Well worth a second look, even if you think you're safe..

Technical Evangelist
Microsoft NZ
Twitter: @nzregs

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Biddle Corp

  Reply # 365288 9-Aug-2010 11:03 Send private message

I've seen numerous attacks looking back at logs as well.

If you're running trixbox the fail2ban script is in later distributions. You should be running this as a bare minimum. Extensions locked down to local IP ranges is also a very good idea!

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  Reply # 369696 19-Aug-2010 09:48 Send private message

Please note I have posted an update in this thread.

The Game.
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Think Concepts

  Reply # 369700 19-Aug-2010 09:53 Send private message

I'm seeing quite a few bounces off our Asterisk server too >.<

Michael Murphy
[Twitter] [] [IPv6 Sage]

Everything I say here is my own opinion and not that of my employer.

3558 posts

Uber Geek
+1 received by user: 60


  Reply # 369711 19-Aug-2010 10:27 Send private message

We will have something deployed shortly that will assist our Asterisk customers.

Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink


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