Hi,I want to configure a DMZ on a machine having 4 DSL lines and two ethernet connections to the internal network and the DMZ. Connecting from internal to a DMZ host works. Connection from the firewall to a DMZ host works, too. When I try to connect from the DMZ to an outside host, the connection times out at the SYN_RECV state after 60 seconds.
Shorewall logs indicate that iptables ACCEPTS the connection from the DMZ to outside, however, it looks as if no packets are coming back. Masquerading is configured for both the internal and the DMZ network on all ppp lines and works for the internal network.
Do I need to set up a bridge for this? What else can I do to debug this? A shorewall dump is attached. Kind regards,
Christian
ubuntu_dump.txt.gz
Description: GNU Zip compressed data
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