Just for clarification of what Jamie said. (Breaking it down the the simplest form.)
vim /etc/ufw/before.rules
Add this line -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT after *filter and before COMMIT.
Just for clarification of what Jamie said. (Breaking it down the the simplest form.)
vim /etc/ufw/ before. rules
Add this line is-bridged -j ACCEPT
-I FORWARD -m physdev --physdev-
after *filter and before COMMIT.