@holsen1 Intrusion Protection is blocking a number of things on the LAN since the recent FW upgrade Check for Firewall logs and send the screenshots to them and post here if you can Similar reports...

@robt62 Similar issue happening on this thread https://community.tp-link.com/en/home/forum/topic/839826 Thats my workaround too. Not a good long term solution and this latest FW is the issue.

@HelpFixDecoApp Hi yes thats the workaround I used already to diagnose the problem is firewall based on the Deco. However its not suitable for long term design. Its blocking local LAN traffic as well...

@David-TP Thanks David - yes I emailed back to Sys Eng with the same as above. The post above has a bit more detail and wasnt sure if I needed to raise a new ticket with new logs. I think they are...

Mine is in the app under Advanced > Address Reservation then hit the + button

@David-TP Hi further to this the Intrusion protection is stopping my NAS from running local PLEX services blocking it opening ports to the server locally when on the LAN. Port 80 even gets blocked so...