Thanks Chris
Do you know of any way to block this protocol only on the Gnatbox?
I know this will need to be enabled in the future but I'm looking for a
quick fix until I can sort these Vista machines out.
We are running GBFlash 3.4.2
Cheers
Alex
-----Original Message-----
From: Chris Green [mailto:cgreen_at_greenfam_dot_org]
Sent: 20 August 2007 16:45
To: gb-users_at_gta_dot_com
Subject: Re: [gb-users] Windows Vista/GB - Protocol p=41?
You're on the right path.. That is IPv6 traffic via IP Protocol 41, not
TCP Port 41.
IP Protocol 6 = TCP
IP Protocol 17 = UDP
*IP Protocol 41 = IPv6*
Chris Green
Alex Young wrote:
> Hi All,
>
> I'm hoping someone might be able to shed light on this issue.
>
> Has anyone seen Vista clients attempting to connect to domains on port
> 41, Via port 0?
>
> The protocol is listed in GB Admin as p=41 under active connections,
the
> source port as 0 and the destination as 0.
> Yet on the destination side the packets are dropped and listed as
> incoming on port 41? (we were alerted by the admin of the destination
> side, the Cisco IOS is reporting port 41)
>
> An example of the filter email being received is below as I'm now
> blocking the outgoing requests.
> I have a feeling this is down to IPV6 but not 100%
>
> The local machines in question are Vista Ultimate.
>
>
> EMAIL NO: 42
> DATE: Mon 2007-08-20 16:02:28 BST
> PRIORITY: 5
> INTERFACE: PROTECTED (vr0)
> INTERFACE TYPE: Protected
> ALARM TYPE: Block
> IP PACKET: p=41 [192.168.1.155/0]-->[81.x.x.x/0] l=68
> [192.168.1.155/0]-->[81.x.x.x/0]
> DETAILED DESCRIPTION:
> IP packet was rejected by filter 1.
>
>
> Many Thanks
>
> Alex Young
>
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