Moulinette - lock is not released after yunohost firewall commands

My YunoHost server

Hardware: VPS bought online
YunoHost version:
I have access to my server : Through SSH and through the webadmin
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : no

Description of my issue

While trying to install Synapse on two independent VPSs the same problem occurs. Installation process is stuck on firewall configuration. Nothing else prompted in Webadmin panel. In yunohost-api.log last log is:

+ yunohost firewall allow TCP 8448

The same occurs after changing ports in terminal. For instance yunohost firewall allow TCP 8448 blocks the terminal with last logs:

Port 8448 is already opened for IPv4 connections
Port 8448 is already opened for IPv6 connections

After one of those actions any other yunohost actions using webadmin or terminal are not available and only message There is already a YunoHost operation running. Please wait for it to finish before running another one. is prompted in terminal.

System reboot releases the lock but finishing the installation of Synapse is not possible with process beeing stucked.


After some investigation I found that the process which blocks the firewall update is iptables -w -L
And due to my fail2ban list of banned ips which is over 10k of entries in jail for now it probably can’t finish the process. That also explains why I couldn’t open Firewall settings in Webmin.

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