Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager-openvpn (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1734735
Title:
[xenial] nm-openvpn continuously retries with bad password after
receiving AUTH_FAIL locking out my account
Status in network-manager-openvpn package in Ubuntu:
Confirmed
Bug description:
I have nm-openvpn configured via the network manager gui on Xenial
with a saved password. My organization has a password expiration
policy of X days. If I forgot to update the saved password for nm-
openvpn and try to VPN in, nm-openvpn tries the connection, fails
without notice in the UI and retries until I stop it. This ultimately
causes my account to get locked out for too many invalid auth
attempts.
sanitized/censored from syslog:
Nov 27 09:11:06 carbon NetworkManager[1173]: nm-openvpn-Message:
openvpn[4971] started
Nov 27 09:11:06 carbon nm-openvpn[4971]: OpenVPN 2.3.10 x86_64-pc-linux-gnu
[SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Jun 22 2017
Nov 27 09:11:07 carbon nm-openvpn[4971]: library versions: OpenSSL 1.0.2g 1
Mar 2016, LZO 2.08
Nov 27 09:11:07 carbon nm-openvpn[4971]: WARNING: No server certificate
verification method has been enabled. See http://openvpn.net/howto.html#mitm
for more info.
Nov 27 09:11:07 carbon nm-openvpn[4971]: NOTE: the current --script-security
setting may allow this configuration to call user-defined scripts
Nov 27 09:11:07 carbon nm-openvpn[4971]: WARNING: file
'/home/myusername/Downloads/certs/ta.key' is group or others accessible
Nov 27 09:11:07 carbon nm-openvpn[4971]: Control Channel Authentication:
using '/home/myusername/Downloads/certs/ta.key' as a OpenVPN static key file
Nov 27 09:11:07 carbon nm-openvpn[4971]: NOTE: chroot will be delayed because
of --client, --pull, or --up-delay
Nov 27 09:11:07 carbon nm-openvpn[4971]: NOTE: UID/GID downgrade will be
delayed because of --client, --pull, or --up-delay
Nov 27 09:11:07 carbon nm-openvpn[4971]: UDPv4 link local: [undef]
Nov 27 09:11:07 carbon nm-openvpn[4971]: UDPv4 link remote:
[AF_INET]10.0.28.166:1195
Nov 27 09:11:07 carbon nm-openvpn[4971]: WARNING: this cipher's block size is
less than 128 bit (64 bit). Consider using a --cipher with a larger block size.
Nov 27 09:11:07 carbon nm-openvpn[4971]: WARNING: this cipher's block size is
less than 128 bit (64 bit). Consider using a --cipher with a larger block size.
Nov 27 09:11:07 carbon nm-openvpn[4971]: [VPNGate.example.com] Peer
Connection Initiated with [AF_INET]10.0.28.166:1195
Nov 27 09:11:10 carbon nm-openvpn[4971]: AUTH: Received control message:
AUTH_FAILED
Nov 27 09:11:10 carbon nm-openvpn[4971]: SIGUSR1[soft,auth-failure] received,
process restarting
Nov 27 09:11:10 carbon NetworkManager[1173]: (nm-openvpn-service:4894):
nm-openvpn-WARNING **: Password verification failed
Nov 27 09:11:12 carbon nm-openvpn[4971]: WARNING: No server certificate
verification method has been enabled. See http://openvpn.net/howto.html#mitm
for more info.
Nov 27 09:11:12 carbon nm-openvpn[4971]: NOTE: the current --script-security
setting may allow this configuration to call user-defined scripts
Nov 27 09:11:12 carbon nm-openvpn[4971]: UDPv4 link local: [undef]
Nov 27 09:11:12 carbon nm-openvpn[4971]: UDPv4 link remote:
[AF_INET]10.0.28.166:1195
Nov 27 09:11:12 carbon nm-openvpn[4971]: WARNING: this cipher's block size is
less than 128 bit (64 bit). Consider using a --cipher with a larger block size.
Nov 27 09:11:12 carbon nm-openvpn[4971]: WARNING: this cipher's block size is
less than 128 bit (64 bit). Consider using a --cipher with a larger block size.
Nov 27 09:11:12 carbon nm-openvpn[4971]: [VPNGate.example.com] Peer
Connection Initiated with [AF_INET]10.0.28.166:1195
Nov 27 09:11:15 carbon nm-openvpn[4971]: AUTH: Received control message:
AUTH_FAILED
Nov 27 09:11:15 carbon nm-openvpn[4971]: SIGUSR1[soft,auth-failure] received,
process restarting
...
...
[eventually I caught on to what was happening and stopped it]
...
...
Nov 27 09:12:00 carbon NetworkManager[1173]: nm-openvpn-Message:
openvpn[4971]: send SIGTERM
Nov 27 09:12:00 carbon nm-openvpn[4971]: event_wait : Interrupted system call
(code=4)
Nov 27 09:12:00 carbon nm-openvpn[4971]: SIGTERM[hard,] received, process
exiting
Nov 27 09:12:00 carbon NetworkManager[1173]: nm-openvpn-Message:
openvpn[4971] exited with success
(and yes, I know I should fix the cipher and key file permissions)
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