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NAT not working on internal network
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: NAT not working on internal network
- From: "`e k i p s" <spam_(_at_)_nalidge_(_dot_)_net>
- Date: Fri, 03 Aug 2001 04:00:09 GMT
Hello,
i have recently implemented NAT on my OpneBSD box to forward httpd requests
on port 8080 to a box on an internal IP behind the OpenBSD box. i have a
fairly typical setup:
[web server]90.0.0.4---->90.0.0.1[OpenBSD 2.8]aaa.bbb.ccc.238--->INTERNET
my rc.conf & sysctl.conf are setup according to the documentation. ipfw and
ipnat start fine. here is the redirect that i am using:
rdr xl0 aaa.bbb.ccc.238/32 port 8080 -> 90.0.0.4 port 80
# ipnat -l:
List of active MAP/Redirect filters:
rdr xl0 aaa.bbb.ccc.238/32 port 8080 -> 90.0.0.4 port 80 tcp
map xl0 90.0.0.0/24 -> aaa.bbb.ccc.238/32 portmap tcp/udp 10000:60000
map xl0 90.0.0.0/24 -> aaa.bbb.ccc.238/32
List of active sessions:
well, the problem is that outside connections are redirected without
problem, but connections coming from within my network (90.0.0/24) are
denied. i have tried this with a completely open ipf.rules file (pass in
from any to any/pass out from any to any) to no avail. do i need to look
into bimaps? do i need to create an internal redirect (which i have
unsuccessfully attempted)?
thanx in advance for any and all help,
)fjs(
+---
| francisco j. sanchez
ekips_(_at_)_nalidge_(_dot_)_net |
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