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Gabriel Mastico (feverish@grandfunkhighway.com)
Fri, 05 Jan 2001 06:21:13 -0800
"Kevin G. Eliuk" wrote:
>
> What is the reason that you would want to retrieve an IP address from the
> provider if you are behind the firewall?
>
> If you want it to use DHCP for ip configuration the the FBSD firewall would need
> to be configured for running dhcpd befind the firewall. If you want the linux
> machine to be able to be accessed from outside the subnet then you would
> probably want to look at port forwarding.
>
> Am I on the right track?
Erm... well, not really :) I already have a very extensive port forwarding system
set up already... it's just that some things break when you don't have a
world-routable IP address. Okay, not many... basically, I just wanna make use of my
second IP. Seems a shame letting it go to waste :)
the FreeBSD firewall is configured (at the moment) to allow all traffic save icmp
echo-requests to pass. One thing I was thinking I could do was to forward all udp
traffic coming in over ep0 (LAN side) from port 68 to telus's DHCPD server... would
that work? (It's the only machine LAN-side that would send such traffic). My only
concern is that this would interfere with FreeBSD's own DHCP interface (dhclient,
which opens port 68 on the gateway, on a permanent basis). As such I didn't want to
play around too much with this. I figured the other solution (specifying a DHCP
server address) would be better. Am I wrong?
Thanks,
Gabe
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