Forum Discussion
Network blocking UDP?
I use mosh (https://mosh.org/) to connect to some servers and have for years, which has normally worked fine, but for the last couple of weeks it has not worked over the tmobile network at all, the U...
It seems to me from testing that T-Mobile's 464XLAT implementation has recently been changed to block UDP. To bypass the problem if you change your phone/hotspot's APN (Access Point Name) to use IPv4/IPv6 instad of just IPv6, then UDP starts working on 5G (and LTE).
