On Wednesday 27 April 2005 10:36 am, George Georgalis wrote:
> testing knockd on a box worked fine. when I put it in production, I
> couldn't knock through the fairly strict bridge. the bridge does ALLOW
> the ports in the combination to pass through, but I cannot knock across
> it, and I get no drop/reject entries in the log (target or bridge)
> either.

Ah... it's entirely possible then that the packets being sent for the knock 
are sufficiently strange that the restrictive bridge is squelching them.

> So I was thinking to fudge it an make the target available and run
> knockd on the bridge, to add/remove a FORWARD rule there for access to
> the target. Then I recalled, when I tried knockd on lo, I got an error
> no MAC address. So I assume it cannot listen on br0 either.

Well, it might.  This will tell you if there's a MAC addr:

        /sbin/ip link show br0

('ip' only exists if you have iproute2 installed)

Gregory

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Gregory K. Ruiz-Ade <[EMAIL PROTECTED]>
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