https://bugs.kde.org/show_bug.cgi?id=376301
Bug ID: 376301
Summary: sftp.so not closing connections when ProxyCommand is
configured
Product: kio-extras
Version: unspecified
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: critical
Priority: NOR
Component: default
Assignee: plasma-de...@kde.org
Reporter: bodozog...@gmail.com
Target Milestone: ---
It seems that sftp.so + dolphin is not closing _any_ connections when
ProxyCommand is configured in ~/.ssh/config. This made many people angry when
they realized I have 800+ sessions on a jumphost making it not responsive (a
lot)
My config:
Host *
ServerAliveInterval 60
Host *__
ProxyCommand ssh %r...@jump.host.com -q -W $(echo %h | sed 's/__//g'):%p
Steps to reproduce:
1. Use the above config (any host ending with "__" goes through jumphost)
2. sftp://user@host__ to use the jumphost
3. Close and reopen dolphin and reconnect to the host
4. Do a `ps aux | grep ssh` to see connection
I have also used netstat to track connections and every time we reconnect more
connections are added to the list... (ESTABLISHED state, no connections in
TIME_WAIT)
System info:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial
$ uname -a
Linux urban-kde 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
$ dpkg -l | grep kio
ii kde-cli-tools-data 4:5.5.5-0ubuntu1.1
all tools to use kioslaves from the command line
ii kde-zeroconf 4:15.12.3-0ubuntu1
amd64 zeroconf plugins and kio slaves for KDE
ii kdemultimedia-kio-plugins 4:15.12.3-0ubuntu1
all transitional package for kio-audiocd
ii kdepimlibs-kio-plugins 4:15.12.3-0ubuntu1
amd64 kio slaves used by KDE PIM applications
ii kio 5.18.0-0ubuntu1
amd64 Resource and network access abstraction.
ii kio-audiocd 4:15.12.3-0ubuntu1
amd64 transparent audio CD access for applications using
the KDE Platform
ii kio-extras 4:15.12.3-0ubuntu1
amd64 Extra functionality for kioslaves.
ii kio-extras-data 4:15.12.3-0ubuntu1
all Extra functionality for kioslaves data files.
ii kio-mtp 0.75+git20140304-2
amd64 access to MTP devices for applications using the
KDE Platform
ii libkf5kiocore5:amd64 5.18.0-0ubuntu1
amd64 Resource and network access abstraction.
ii libkf5kiofilewidgets5:amd64 5.18.0-0ubuntu1
amd64 Resource and network access abstraction.
ii libkf5kiontlm5:amd64 5.18.0-0ubuntu1
amd64 Resource and network access abstraction.
ii libkf5kiowidgets5:amd64 5.18.0-0ubuntu1
amd64 Resource and network access abstraction.
ii libkio5 4:4.14.16-0ubuntu3
amd64 Network-enabled File Management Library for the KDE
Platform
ii qml-module-org-kde-kio:amd64 5.18.0-0ubuntu1
amd64 provides integration of QML and KDE Frameworks -
kio
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