Re: ipfw rules for connect port 993

From: Julian Elischer <julian_at_freebsd.org>
Date: Tue, 25 Aug 2015 18:02:24 +0800
On 8/24/15 9:05 PM, Petr Chocholáč wrote:
> Hello,
>
> I would like to ask you for advice. I can not connect to 
> imap.gmail.com on port 993 from my local network. My LAN is behind 
> freeBSD server with IPFW. Server has two network cards rl0=Internet 
> and re0=LAN(10.0.0.0/16). Tcpdump on re0 shows three SYN packets 
> without answers.  What rules should i create?
>
> I tried someting like this, without success:
> #ipfw add 01500 allow ip from 10.0.0.0/16 to any in via re0

are you doing nat?
the syn packets are going which way?
on which interface did you do the tcpdump?

what does the rest of the firewall look like?
is it a standard one? what are the settings?

>
>
>
> Thank you very much for any advice and your patience
>
> Petr Chocholáč
> Brno, Czech Republic
>
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Received on Tue Aug 25 2015 - 08:02:42 UTC

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