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Web server accessible with no port forwarding!
First let me just say I have no idea if I'm in the right subject area of these forums. Mods, please move appropriately if I'm in the wrong place. Thank you. I'm using a Netgear C7000v2. I had previous...
Guess again. DHCP, while it does work, makes any device that requires it unable to connect to the internet at all. The period I put up there should have been followed by a big fat âť“
Proper solution is turn of UPnP entirely (leave dhcp on, simply setting the server box to static IP in its own settings). Phones are all happy and the server can no longer be reached from outside. Anyone got any extra hair to replace what I lost over the past day? 🙄
Are you certain you are fully understanding the issue? I'm not speaking of access to the internet from my network. I'm speaking of internet access to my network via 80 and 443. Neither of those are "normally open" to serve web pages from WITHIN my LAN/WAN. Twenty years of running local servers and I've NEVER seen this without port forwarding set up.
Have you tried a factory reset and setup from scratch to see if this stops this?
No need for resetting. Solution is:turn off DHCP Server in LAN settings. Problem solved.
Ok.
Thought this would not allow IP addresses to be given to connecting devices.
Do you have a different router connected to the C series modem?
No. I refuse to pay Comcast for their equipment anymore. One router, Netgear.
Incidentally, I had to turn DHCP back on due to several devices unable to connect. As a result, and after restoring the port forwards, I discovered there is a very convoluted combination of setting changes and rebooting the router required to ensure the port forwards really are gone. Weirdest situation I have ever encountered. I will edit the solution post to show the steps.