Not all iOS devices able to connect to VPN server

[sanjayzed]

I am facing connectivity issues in few of iOS devices not in all . very strange behaviour. I am using access server version of 2.1.0.
the logs is as follows :
2016-06-06 08:15:35 ----- OpenVPN Start -----
OpenVPN core 3.0.11 ios arm64 64-bit built on Apr 15 2016 14:13:50
2016-06-06 08:15:35 Keychain Cert Extraction: 1 certificate(s) found
2016-06-06 08:15:35 Frame=512/2048/512 mssfix-ctrl=1250
2016-06-06 08:15:35 UNUSED OPTIONS
0 [ConfigName] [OpenVPN]
9 [nobind]
10 [persist-key]
14 [verb] [1]

2016-06-06 08:15:35 EVENT: CORE_ERROR apple_digest_error: NONE: not usable [ERR]
2016-06-06 08:15:35 Raw stats on disconnect:
2016-06-06 08:15:35 Performance stats on disconnect:
CPU usage (microseconds): 11071
Network bytes per CPU second: 0
Tunnel bytes per CPU second: 0
2016-06-06 08:15:35 EVENT: DISCONNECT_PENDING
2016-06-06 08:15:35 ----- OpenVPN Stop -----


Another set of logs

Jun 6 15:06:02 iPhone neagent[426] <Warning>: Profile Info: user= pn="my vpn server url" fn= auto=1 epki=1 schal= scecho=0 sl=
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: ----- OpenVPN Start -----
OpenVPN core 3.0.11 ios arm64 64-bit built on Apr 15 2016 14:13:50
Jun 6 15:06:02 iPhone neagent[426] <Error>: SecTrustEvaluate [leaf AnchorTrusted]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Keychain Cert Extraction: 1 certificate(s) found
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Frame=512/2048/512 mssfix-ctrl=1250
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: UNUSED OPTIONS
8 [nobind]
9 [persist-key]
13 [verb] [1]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: OpenVPNCoreThread error: apple_digest_error: NONE: not usable
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: EVENT: CORE_ERROR apple_digest_error: NONE: not usable [ERR]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Raw stats on disconnect:
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Performance stats on disconnect:
CPU usage (microseconds): 6648
Network bytes per CPU second: 0
Tunnel bytes per CPU second: 0
Jun 6 15:06:02 iPhone neagent[426] <Warning>: OpenVPNCoreThread disconnect
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: EVENT: DISCONNECT_PENDING
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: ----- OpenVPN Stop -----

[sanjayzed]

Another set of logs.

Jun 6 15:06:02 iPhone neagent[426] <Warning>: Profile Info: user= pn="my vpn server url" fn= auto=1 epki=1 schal= scecho=0 sl=
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: ----- OpenVPN Start -----
OpenVPN core 3.0.11 ios arm64 64-bit built on Apr 15 2016 14:13:50
Jun 6 15:06:02 iPhone neagent[426] <Error>: SecTrustEvaluate [leaf AnchorTrusted]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Keychain Cert Extraction: 1 certificate(s) found
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Frame=512/2048/512 mssfix-ctrl=1250
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: UNUSED OPTIONS
8 [nobind]
9 [persist-key]
13 [verb] [1]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: OpenVPNCoreThread error: apple_digest_error: NONE: not usable
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: EVENT: CORE_ERROR apple_digest_error: NONE: not usable [ERR]
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Raw stats on disconnect:
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: Performance stats on disconnect:
CPU usage (microseconds): 6648
Network bytes per CPU second: 0
Tunnel bytes per CPU second: 0
Jun 6 15:06:02 iPhone neagent[426] <Warning>: OpenVPNCoreThread disconnect
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: EVENT: DISCONNECT_PENDING
Jun 6 15:06:02 iPhone neagent[426] <Warning>: LOG: ----- OpenVPN Stop -----

[tomcatcw]

Same Issue.

Plz help.

[jamesyonan]

This post might shed some light:

viewtopic.php?f=36&t=21840

James

[tomcatcw]

Hi jamesyonan,

I resetted the OpenVPN Server configuration of pfsense completely and set it up from the beginning with the Options you suggested.

Everything works now.

Thank you!

[sanjayzed]

Worked like a charm.

Thanks jamesyonan.

I just deleted "tis-auth" in config file.