To REDIRECT, DNAT or something else
Tue, 26 Nov 2002 09:40:35 -0500
I know that this doesn't really answer the question. But the best
strategy is to have a firewall all by itself. If you have an old 486
around, you could try Coyote Linux <coyotelinux.com>. It boots and
runs off a floppy.
On 25 Nov 2002 at 18:43, Joel Linuxdude wrote:
> I just had a small question (maybe dumb, I dont care).
> My firewall PC is also my DNS server (caching), gateway to
> the internet via cable modem, web server, ftp server and
> later my proxy server.
> Do I need to REDIRECT packets coming into eth0 (from the
> cable modem) to the firewall itself?? I know, the packets
> are suppose to go right to INPUT chain but people over
> the internet can no longer access my WWW, FTP or TELNET
> daemon. I fear A) The cable modem company are blocking
> the use of servers or B) I screwed up somewhere in my
> firewall script.
> HOW CAN I MAKE SURE ALL TCP/UDP PORT 20,21,22,23,80,443
> GO FROM CABLE MODEM ON ETH0 TO MY FIREWALL AND NOT GET
> FORWARDED OVER ETH1 TO MY LAN?
> Thank you!
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Chris Baker -- technical specialist
Big Brothers Big Sisters of Central Ohio