RE: Bridging firewall setup

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>
> This is a production machine so leaving logging on for extended periods 
> isn't an option since it would quickly fill up the logs. However I 
> turned in on briefly and even though using tcpdump I see constant 
> traffic through the bridge the logs only show traffic going in and out 
> to the bridge's IP that I have setup for maintenence, mostly my SSH 
> session. Any ideas how I can get it to see the traffic going through?
> 
You can filter tcpdump, e.g.:

tcpdump port not ssh

tcpdump -i eth0 port 135 and host a.b.c.d

tcpdump -p tcp -i any net a.b.c.d/e

Also man tcpdump, for more detail than you probably ever wanted.


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