https://bugs.kde.org/show_bug.cgi?id=419869
Bug ID: 419869
Summary: Freezes for 3 minutes at startup if outgoing traffic
blocking through iptables is enabled
Product: gwenview
Version: 19.04.3
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: gwenview-bugs-n...@kde.org
Reporter: inflo...@netc.it
Target Milestone: ---
SUMMARY
If the blocking of outgoing traffic using the rule in iptables is enabled:
sudo iptables -I OUTPUT -m owner --uid-owner your_user_name -j DROP
then when you open the image in the file manager using gwenviev, it does not
open, but freezes for 3 minutes or longer.
STEPS TO REPRODUCE
1. run in terminal:
sudo iptables -I OUTPUT -m owner --uid-owner your_user_name -j DROP
2. go to the image directory in the file manager
3. open image with gwenviev
OBSERVED RESULT
Nothing will happen for at least 3 minutes. In the list of processes the
process of gwenviev will be visible.
EXPECTED RESULT
Gvenviev should open immediately and show the image
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: this behaves like this on all distributions and shells that I
used:
Kubuntu 18.04.2 64-bit
UbuntuStudio 18.04.2 64-bit
UbuntuStudio 19.10 64-bit
Xubuntu 19.10 64-bit
Xubuntu 19.10 64-bit with Plasma
Xubuntu 19.10 64-bit with Mate
ADDITIONAL INFORMATION
If, during the operation of the firewall blocking rule, you start the Gwenviev
file manager and not through the shortcut in the application menu, it will open
immediately, but when you try to go to the image directory, it will freeze for
the same 3 minutes.
This is a very critical bug for me. I use this rule to block traffic and
because of this I can not normally use gwenviev as a default image viewer. To
use them I have to disconnect the network and delete the blocking rule.
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