Hier die Ausgabe der Log während eines Anmeldeversuches via „sudo tail -f /var/log/syslog“ (anonymisiert):
Dec 22 19:08:04 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660484.7567] audit: op="statistics" arg="refresh-rate-ms" pid=3947 uid=1001 result="success"
Dec 22 19:08:07 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660487.9142] audit: op="connection-activate" uuid="e77690af-9432-42f8-95be-ae4c6a32ba0a" name="VPN Strongswan Uni MeineStadt" pid=3947 uid=1001 result="success"
Dec 22 19:08:07 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660487.9239] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: Saw the service appear; activating connection
Dec 22 19:08:07 benutzername-ThinkPad-P43s charon-nm: 05[CFG] received initiate for NetworkManager connection VPN Strongswan Uni MeineStadt
Dec 22 19:08:07 benutzername-ThinkPad-P43s charon-nm: 05[LIB] file coded in unknown format, discarded
Dec 22 19:08:07 benutzername-ThinkPad-P43s charon-nm: 05[LIB] building CRED_CERTIFICATE - X509 failed, tried 6 builders
Dec 22 19:08:07 benutzername-ThinkPad-P43s charon-nm: 05[CFG] loading CA certificate '/etc/ssl/certs/java/cacerts' failed
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 05[CFG] using CA certificate, gateway identity 'vpn.meine-uni.de'
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 05[IKE] initiating IKE_SA VPN Strongswan Uni MeineStadt[3] to 2001:4c80:40:62a:21d:d8ff:feb7:214f
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 05[ENC] generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) ]
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 05[NET] sending packet: from 2003:cb:af08:8917:8f03:2a2c:27dd:331d[37476] to 2001:4c80:40:62a:21d:d8ff:feb7:214f[500] (1128 bytes)
Dec 22 19:08:08 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660488.0247] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: VPN plugin: state changed: starting (3)
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 01[NET] received packet: from 2001:4c80:40:62a:21d:d8ff:feb7:214f[500] to 2003:cb:af08:8917:8f03:2a2c:27dd:331d[37476] (44 bytes)
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 01[ENC] parsed IKE_SA_INIT response 0 [ N(COOKIE) ]
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 01[IKE] initiating IKE_SA VPN Strongswan Uni MeineStadt[3] to 2001:4c80:40:62a:21d:d8ff:feb7:214f
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 01[ENC] generating IKE_SA_INIT request 0 [ N(COOKIE) SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) ]
Dec 22 19:08:08 benutzername-ThinkPad-P43s charon-nm: 01[NET] sending packet: from 2003:cb:af08:8917:8f03:2a2c:27dd:331d[37476] to 2001:4c80:40:62a:21d:d8ff:feb7:214f[500] (1144 bytes)
Dec 22 19:08:12 benutzername-ThinkPad-P43s charon-nm: 14[IKE] retransmit 1 of request with message ID 0
Dec 22 19:08:12 benutzername-ThinkPad-P43s charon-nm: 14[NET] sending packet: from 2003:cb:af08:8917:8f03:2a2c:27dd:331d[37476] to 2001:4c80:40:62a:21d:d8ff:feb7:214f[500] (1144 bytes)
Dec 22 19:08:12 benutzername-ThinkPad-P43s charon-nm: 02[NET] received packet: from 2001:4c80:40:62a:21d:d8ff:feb7:214f[500] to 2003:cb:af08:8917:8f03:2a2c:27dd:331d[37476] (36 bytes)
Dec 22 19:08:12 benutzername-ThinkPad-P43s charon-nm: 02[ENC] parsed IKE_SA_INIT response 0 [ N(NO_PROP) ]
Dec 22 19:08:12 benutzername-ThinkPad-P43s charon-nm: 02[IKE] received NO_PROPOSAL_CHOSEN notify error
Dec 22 19:08:12 benutzername-ThinkPad-P43s NetworkManager[1017]: <warn> [1608660492.0373] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: VPN plugin: failed: login-failed (0)
Dec 22 19:08:12 benutzername-ThinkPad-P43s NetworkManager[1017]: <warn> [1608660492.0377] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: VPN plugin: failed: connect-failed (1)
Dec 22 19:08:12 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660492.0379] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: VPN plugin: state changed: stopping (5)
Dec 22 19:08:12 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660492.0382] vpn-connection[0x560e783dc500,e77690af-9432-42f8-95be-ae4c6a32ba0a,"VPN Strongswan Uni MeineStadt",0]: VPN plugin: state changed: stopped (6)
Dec 22 19:08:16 benutzername-ThinkPad-P43s NetworkManager[1017]: <info> [1608660496.2836] audit: op="statistics" arg="refresh-rate-ms" pid=3947 uid=1001 result="success"
Dec 22 19:08:22 benutzername-ThinkPad-P43s systemd-resolved[850]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 22 19:08:22 benutzername-ThinkPad-P43s systemd-resolved[850]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 22 19:08:22 benutzername-ThinkPad-P43s systemd-resolved[850]: message repeated 3 times: [ Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.]