https://bugs.kde.org/show_bug.cgi?id=458837
Bug ID: 458837
Summary: When connecting to pptp vpn DNS Servers are set in
resolv.conf even if disabled
Product: plasma-nm
Version: 5.25.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: claudius+...@hausnetz.lettenbach.com
CC: jgrul...@redhat.com
Target Milestone: ---
SUMMARY
When connecting to pptp vpn DNS Servers are set in resolv.conf even if disabled
STEPS TO REPRODUCE
1. create pptp vpn
2. set IPv4 - Method: Automatic (Only addresses)
3. connect
OBSERVED RESULT
DNS Servers get replaced in /etc/resolv.conf
EXPECTED RESULT
DNS Server stay like they are
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.19.7-arch1-1
(available in About System)
Operating System: Arch Linux
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.97.0
Qt Version: 5.15.5
Kernel Version: 5.19.7-arch1-1 (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
Logs:
> pppd[17099]: Plugin /usr/lib/pppd/2.4.9/nm-pptp-pppd-plugin.so loaded.
> NetworkManager[17099]: Plugin /usr/lib/pppd/2.4.9/nm-pptp-pppd-plugin.so
> loaded.
> pppd[17099]: pppd 2.4.9 started by root, uid 0
> kernel: PPP generic driver version 2.4.2
> pptp[17105]: nm-pptp-service-17092 log[main:pptp.c:353]: The synchronous pptp
> option is NOT activated
> pppd[17099]: Using interface ppp0
> NetworkManager[17099]: Using interface ppp0
> NetworkManager[17099]: Connect: ppp0 <--> /dev/pts/1
> pppd[17099]: Connect: ppp0 <--> /dev/pts/1
> NetworkManager[735]: <info> [1662555212.9226] manager: (ppp0): new Ppp
> device (/org/freedesktop/NetworkManager/Devices/6)
> kernel: nf_conntrack: default automatic helper assignment has been turned off
> for security reasons and CT-based firewall rule not found. Use the iptables
> CT target to attach helpers instead.
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_rep:pptp_ctrl.c:258]: Sent
> control packet type is 1 'Start-Control-Connection-Request'
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_disp:pptp_ctrl.c:781]: Received
> Start Control Connection Reply
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_disp:pptp_ctrl.c:815]: Client
> connection established.
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_rep:pptp_ctrl.c:258]: Sent
> control packet type is 7 'Outgoing-Call-Request'
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_disp:pptp_ctrl.c:900]: Received
> Outgoing Call Reply.
> pptp[17111]: nm-pptp-service-17092 log[ctrlp_disp:pptp_ctrl.c:938]: Outgoing
> call established (call ID 63941, peer's call ID 10010).
> pppd[17099]: CHAP authentication succeeded
> NetworkManager[17099]: CHAP authentication succeeded
> kernel: PPP BSD Compression module registered
> kernel: PPP Deflate Compression module registered
> audit[735]: USYS_CONFIG pid=735 uid=0 auid=4294967295 ses=4294967295
> msg='op=statistics interface="enp39s0" ifindex=2 args=0 pid=1139 uid=1000
> result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=?
> res=success'
> NetworkManager[735]: <info> [1662555214.0852] audit: op="statistics"
> interface="enp39s0" ifindex=2 args="0" pid=1139 uid=1000 result="success"
> audit[735]: USYS_CONFIG pid=735 uid=0 auid=4294967295 ses=4294967295
> msg='op=statistics interface="enp39s0" ifindex=2 args=500 pid=1345 uid=1000
> result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=?
> res=success'
> NetworkManager[735]: <info> [1662555214.0873] audit: op="statistics"
> interface="enp39s0" ifindex=2 args="500" pid=1345 uid=1000 result="success"
> kernel: audit: type=1111 audit(1662555214.083:234): pid=735 uid=0
> auid=4294967295 ses=4294967295 msg='op=statistics interface="enp39s0"
> ifindex=2 args=0 pid=1139 uid=1000 result=success
> exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=?>
> kernel: audit: type=1111 audit(1662555214.083:235): pid=735 uid=0
> auid=4294967295 ses=4294967295 msg='op=statistics interface="enp39s0"
> ifindex=2 args=500 pid=1345 uid=1000 result=success
> exe="/usr/bin/NetworkManager" hostname=? addr=? terminal>
> pppd[17099]: Cannot determine ethernet address for proxy ARP
> NetworkManager[17099]: Cannot determine ethernet address for proxy ARP
> NetworkManager[17099]: local IP address 192.168.xxx
> NetworkManager[17099]: remote IP address 192.168.xxx
> NetworkManager[17099]: primary DNS address 212.121.xxx
> NetworkManager[17099]: secondary DNS address 212.121.xxx
> pppd[17099]: local IP address 192.168.xxx
> NetworkManager[735]: <info> [1662555214.1172] device (ppp0): state change:
> unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state:
> 'external')
> pppd[17099]: remote IP address 192.168.xxx
> pppd[17099]: primary DNS address 212.121.xxx
> pppd[17099]: secondary DNS address 212.121.xxx
> NetworkManager[735]: <info> [1662555214.1175] device (ppp0): state change:
> unavailable -> disconnected (reason 'none', sys-iface-state: 'external')
> kded5[1042]: org.kde.plasma.nm.kded: Unhandled VPN connection state change: 4
> dbus-daemon[687]: [system] Activating via systemd: service
> name='org.freedesktop.nm_dispatcher'
> unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.4' (uid=0
> pid=735 comm="/usr/bin/NetworkManager --no-daemon")
> systemd[1]: Starting Network Manager Script Dispatcher Service...
> dbus-daemon[687]: [system] Successfully activated service
> 'org.freedesktop.nm_dispatcher'
> systemd[1]: Started Network Manager Script Dispatcher Service.
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