** Changed in: ufw
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1911637
Title:
Another app is currently holding the xtables lock
Status in ufw:
Triaged
Status in ufw package in Ubuntu:
Confirmed
Status in ufw package in Debian:
New
Bug description:
Version: ufw 0.36 (via Debian buster 0.36-1 deb-package)
I'm using ufw together with fail2ban, and often I get an error while
fail2ban is trying to ban an ip:
```
ERROR: initcaps
[Errno 2] Another app is currently holding the xtables lock. Perhaps you want
to use the -w option?
```
it seems that in utils.py, get_netfilter_capabilities(...) iptables is
called without "-w" flag to wait for the table lock
perhaps the checks should include this parameter to avoid leaving
temporary tables behind (and breaking fail2ban, but thats a different
story ...)?
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