Chris S. Wilson wrote:
Hello! :)
I am having a problem with freebsd 5.3-release and natd.
When I try to connect to a service on my internal network to an IP on my
external network that has a port redirected, it wont connect.
IE: 67.128.100.2 is my external IP, on my internal network I try to
connect to 67.128.101.2:80 which is forwarded in my natd.conf and the
connection is refused.
Does anyone know why?
I don't know the exact technical reasons "why" but I will confirm
for you that this simply does not work, and the reasons why center
around it being a rather tortured mess.
Your inside machines should reach your inside server by its inside
address. Think about how you're sending your request outside the
firewall (getting the request NATed on the way out) and then back in
(getting the request re-NATed), and then having the reply packets
from the web server have to take the reverse of that path. Yuck.
Use split DNS so that that "www.example.com" appears to external
clients as being your external NAT server address, and appears to
inside clients as the web server's real inside address.
--
Greg Barniskis, Computer Systems Integrator
South Central Library System (SCLS)
Library Interchange Network (LINK)
<gregb at scls.lib.wi.us>, (608) 266-6348
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