Teisiph n00b
Joined: 28 Jun 2006 Posts: 3
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Posted: Mon Feb 19, 2007 4:08 pm Post subject: Strange NAT problem [SOLVED] |
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Hello,
I've been trying to set up a simple NAT configuration on the local university network. After copying a simple script from one of my previous boxes, everything seemed to work ok, except for a few of my rss feeds..
I noticed that all non-working feeds have in common that they use feedburner.
1. I can access the feedburner site (http://www.feedburner.com/fb/a/home) from both the NAT'ed box and the router.
2. I can access the feedburner "feed subdomain" (feeds.feedburner.com), which redirects to the main site from both computers.
3. I can only access a feed from the router. The NAT'ed box just times out.
4. Some random other sites have the same problem (they time out only on the NAT'ed computer)
I tested by sending some headers (from the NAT'ed computer) and this is the result:
Code: | GET / HTTP/1.1
Host: feeds.feedburner.com
HTTP/1.1 302 Moved Temporarily |
Code: | GET /BurnThisRSS2 HTTP/1.1
Host: feeds.feedburner.com
Timeout | The latter works fine from the router.
Iptables output (other chains are empty and have policy ACCEPT)
Code: |
Chain FORWARD (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
121 61544 ACCEPT all -- ppp0 eth0 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
142 15783 ACCEPT all -- eth0 ppp0 0.0.0.0/0 0.0.0.0/0
Chain POSTROUTING (policy ACCEPT 120K packets, 10M bytes)
pkts bytes target prot opt in out source destination
12 720 SNAT all -- * ppp0 172.20.33.4 0.0.0.0/0 to:145.94.36.232
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Any idea what this is?
solution:
I have no idea what the problem was.. Even setting up full NAT didn't solve the problem. I've set up a VPN and routed all traffic trough it and now everything works fine (and secure). |
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