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Re: [Full-disclosure] can you answer this?



On 03/02/2012 18:15, Full Disclosure mailing list wrote:
On 03/02/2012 08:20, RandallM wrote:
since no one could answer the last one how bout this. In my FW log
Trust (our 10.0.0.0. network) to untrust picked this up:

2012-02-02 10:08:10 7.254.254.254:68 7.254.254.255:67 0.0.0.0:0
0.0.0.0:0 DHCP 0 sec. 0 0 Traffic Denied

My "any" to "any" denied queue.

I've seen this sort of thing before, from misconfigured VPNs.

Do you have someone using "Tunngle" on your network?

It's a VPN product (as far as I understand it, primarily for gaming), and it appears to (mis)use the 7.xxx.xxx.xxx IP address space. See this for a report of similar packet sightings:

http://www.tunngle.net/community/topic/18311-bsod/

My guess is that one of your users has set up this VPN in order to tunnel through your firewall, but it's not configured correctly and its DHCP requests are going onto your main network rather than (as intended) through the tunnel. You might want to look into who is using this...

Granville Moore
Nemesys Computer Consultants
www.nemesys.com

Sorry - my "From" address was screwed up in my previous reply.

Granville Moore
Nemesys Computer Consultants
www.nemesys.com



--

/Dr Granville Moore/

/ /

/Principal Consultant/

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/Nemesys Computer Consultants Ltd/

/17 High Street/

/Wicken/

/Cambridgeshire/

/CB7 5XR/

/ /

/01353 727999/

/ /

/www.nemesys.com/

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