On Wednesday 03 December 2003 08:19 am, Tibbs, Richard wrote:
> The is the update:  Now web server is accessible from the outside.
> Since I tried both Rays and Greg's suggestions I will have to put them
> on one at a time to figure out which one did the trick. If it was the
> ipchains cmd that did it, I can't understand since the same input chain
> rule was already present (see below).

You need to both open the port on the firewall and port-forward the
service. See the "port-forwarding w/Dachstein" FAQ on the LEAF site
for more details.

> I am still curious if anyone can explain why I cannot use the external
> IP address 216.12.yy.xx in a web browser on an internal machine to reach
> the web server.

This is ip_spoofing protection. The firewall will not take incoming packets
from the same ip address it uses. Otherwise tons of script-kiddies could
spoof your external address and gain access as normal traffic. Set an
internal DNS server to resolve the private address on your LAN.
-- 
~Lynn Avants
Linux Embedded Appliance Firewall Developer
http://leaf.sourceforge.net
http://guitarlynn.homelinux.org:81


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