Firewall Issue with client on Linux Mint 18.1

Hi,
UrBackup server is running on Openmediavault.
First client is Windows 10 --> no problems
Second client is Linux Mint --> problem with Firewall: when Firewall is on the connection to server fails, if Firewalll is off connection is ok and everything is running as planned

Which rules do I have to add to the firewall?

Server: 2.1.19
Clients: 2.1.15

Thanks a lot; I have seen there are already some related posts in the forum, but none of them helped me so far

See section 10.3 Used network ports in the admin manual (https://www.urbackup.org/administration_manual.html#x1-9000010.3 ).

You can also use the Internet mode locally if you want to avoid having the ports exposed on the clients.

1 Like

now it’s working
Thanks!!!