Cannot forward port 80
Hi,
I have two VDSL modems, the AC1200 and W9960 both of which suffer from the same problem.
I am not able to redirect port 80. The local administration port is changed to 8080 and remote management is disabled.
I have no port triggering set up, only virtual servers.
I have no troubles forwarding other ports. The service that is listening on the internal network works fine on port 80.
The ISP assured me they do not block any port. This seems to be true since when I enable remote management on port 80 I get a 403 HTTP error when accessing the public IP.
How do I resolve this problem ? Factory resets, reboots and firmware upgrades did not help at all.
Thank you for your advice