We replaced a Lynksys RWL200 with a ZyWall USG50. We've got a security DVR in the office which we need to make accessible from anywhere on the internet. We don't have a static IP, but we're using DynDNS, which gives us an address to access it. The only tricky part is the DVR wants to be on port 80, but we need that so workers can log in for the SSL VPN, so I need to shift it to 8080. To do this, I've got NAT set up as a virtual server, with Wan1 as the incoming interface, original IP set to "any", mapped IP is set to the address of the DVR, port mapping is "service", and the original service (named DVR-out, TCP 8080) and mapped service (named DVR-in, TCP 80). With this, if I log in using the DynDNS domain name on port 8080, I get the DVR log in screen, so it seems to be doing the routing correctly. However, when it attempts to log in, I get a "failed to connect" message. Firewall should be set to allow connections through it, near as I can tell. Any ideas?
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