Firewall secure?

Hello. I have a few questions about the OMV Firewall. I would like to set the OMV server direct and an external IP address. The WAN router does not do any packet inspection/blocking and simply lets all traffic through to my endpoint (= OMV). Performance should not be an issue. There are only 5 users and no no high bandwidth data exchange (only documents).

The following services will run on them OMV:

- OpenVPN

- Nextcloud fileshare inside a Docker container

- SMB (only internal access via OpenVPN connection)

- SSH (only internal access via OpenVPN connection)

My questions:

- how secure is the OMV firewall?

- does the firewall also protect the Nextcloud inside Docker?

- are there better solutions?

Thank you so much!

Marc

Hi Votev - I understand that any program can only be as secure as the setup. What i am asking I guess, is, if there are any known vulnerabilities of the OMV Firewall through the coding, the implementation etc?

Also,. how does the OMV Firewall interact with Docker, i.e. if I close all ports on the firewall, can a docker container still have network traffic bypassing the OMV firwall?

ok - thats helpful. thank you