SA520W DMZ issues (both WAN to DMZ and LAN to DMZ)

Unanswered Question
Sep 16th, 2010
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Hello,


I recently added a Web Server and setup a DMZ (172.16.2.1/24) in the SA520W.

DHCP is disabled and the Web Server has IP 172.16.2.75.


In the firewall settings, there are the following rules:

From WAN to DMZ - Service HTTP - Allow always - Local server 172.16.2.75

From LAN to DMZ - Service ANY - Allow always - Destination host 172.16.2.75

From DMZ to WAN - Service ANY - Allow Always


With such configuration, I have the following behaviour:


From WAN

http://mypublicIPAddress - It redirects me to https://mypublicIPAddress with "404 Not Found" error

Nothing is sent to tyhe web server...

Why is there such a redirection ? Why traffic is not sent to the DMZ ?


From LAN

ONLY SSH traffic works... despite the firewall rule allowing any traffic from LAN to DMZ

Checking at TCP dump on the Web Server, the web server receives the request but has no answer to ICMP request toward the PC in the LAN...

Why is there such behaviour ?


Thanks in advance for your help,

Bruno

PS: Firware is at the last valid version 1.1.65

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bpaillet12 Mon, 09/20/2010 - 01:35
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Hello,


For information, this issue disappeared without any tangible reason.

After a while (several hours), the inbound traffic (WAN) has been correctly redirected towards the DMZ...


Regarding the LAN, the behaviour was due to bad iptables defined on the server.


Thanks,

Bruno

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