# Authorization request error: x509 because it doesn't contain any IP SANs **URL:** \ **Category:** General Discussions\ **Tags:** yocto, sumo\ **Created:** [December 4, 2019, 10:52am UTC](https://hub.mender.io/t/authorization-request-error-x509-because-it-doesnt-contain-any-ip-sans/1316 "2019-12-04T10:52:42Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![shah.sheraz3](https://avatars.discourse-cdn.com/v4/letter/s/898d66/32.png) [@shah.sheraz3](https://hub.mender.io/u/shah.sheraz3)\ **Post date:** [December 4, 2019, 10:52am UTC](https://hub.mender.io/t/authorization-request-error-x509-because-it-doesnt-contain-any-ip-sans/1316/1 "2019-12-04T10:52:42Z")
when i see the log for mender client using the below command it shows authorization request error: x509 journalctl -u mender Dec 04 10:20:56 iWave-G27M mender[3961]: time=“2019-12-04T10:20:56Z” level=info msg=“Issuer: [], Valid from: 2016-12-14 19:52:46 +0000 UTC, Valid to: 2026-12-12 19:52:46 +0000 UTC” module=client Dec 04 10:20:56 iWave-G27M mender[3961]: time=“2019-12-04T10:20:56Z” level=info msg=“State transition: init [none] -\> init [none]” module=mender Dec 04 10:20:56 iWave-G27M mender[3961]: time=“2019-12-04T10:20:56Z” level=info msg=“State transition: init [none] -\> idle [Idle]” module=mender Dec 04 10:20:56 iWave-G27M mender[3961]: time=“2019-12-04T10:20:56Z” level=info msg=“State transition: idle [Idle] -\> authorize-wait [Idle]” module=mender Dec 04 10:20:56 iWave-G27M mender[3961]: time=“2019-12-04T10:20:56Z” level=info msg=“State transition: authorize-wait [Idle] -\> authorize [Sync]” module=mender Dec 04 10:20:57 iWave-G27M mender[3961]: time=“2019-12-04T10:20:57Z” level=error msg="Failure occured while executing authorization request: &url.Error{Op:“Post”, URL:"[https://192.168.0.100/api/devices/](https://192.168.0.100/api/devices/) v1/authentication/auth\_requests", Err:x509.HostnameError{Certificate:(\*x509.Certificate)(0x44204d4f00), Host:“192.168.0.100”}}" module=“client\_auth” Dec 04 10:20:57 iWave-G27M mender[3961]: time=“2019-12-04T10:20:57Z” level=error msg="authorization request error: x509: cannot validate certificate for 192.168.0.100 because it doesn’t contain any IP SANs " module=“client\_auth” Dec 04 10:20:57 iWave-G27M mender[3961]: time=“2019-12-04T10:20:57Z” level=error msg="authorize failed: transient error: authorization request failed: generic error occured while executing authorization re quest: Post [https://192.168.0.100/api/devices/v1/authentication/auth\_requests:](https://192.168.0.100/api/devices/v1/authentication/auth_requests:) x509: cannot validate certificate for 192.168.0.100 because it doesn’t contain any IP SANs" module=state Dec 04 10:20:57 iWave-G27M mender[3961]: time=“2019-12-04T10:20:57Z” level=info msg=“State transition: authorize [Sync] -\> authorize-wait [Idle]” module=mender Dec 04 10:21:26 iWave-G27M mender[3961]: time=“2019-12-04T10:21:26Z” level=info msg=“State transition: authorize-wait [Idle] -\> authorize [Sync]” module=mender Dec 04 10:21:27 iWave-G27M mender[3961]: time=“2019-12-04T10:21:27Z” level=error msg="Failure occured while executing authorization request: &url.Error{Op:“Post”, URL:"[https://192.168.0.100/api/devices/](https://192.168.0.100/api/devices/) v1/authentication/auth\_requests", Err:x509.HostnameError{Certificate:(\*x509.Certificate)(0x44203c0f00), Host:“192.168.0.100”}}" module=“client\_auth” Dec 04 10:21:27 iWave-G27M mender[3961]: time=“2019-12-04T10:21:27Z” level=error msg="authorization request error: x509: cannot validate certificate for 192.168.0.100 because it doesn’t contain any IP SANs " module=“client\_auth” Dec 04 10:21:27 iWave-G27M mender[3961]: time=“2019-12-04T10:21:27Z” level=error msg="authorize failed: transient error: authorization request failed: generic error occured while executing authorization re quest: Post [https://192.168.0.100/api/devices/v1/authentication/auth\_requests:](https://192.168.0.100/api/devices/v1/authentication/auth_requests:) x509: cannot validate certificate for 192.168.0.100 because it doesn’t contain any IP SANs" module=state Dec 04 10:21:27 iWave-G27M mender[3961]: time=“2019-12-04T10:21:27Z” level=info msg=“State transition: authorize [Sync] -\> authorize-wait [Idle]” module=mender ---
**Author:** ![mirzak](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/mirzak/32/2056_2.png) [@mirzak](https://hub.mender.io/u/mirzak)\ **Post date:** [December 4, 2019, 1:29pm UTC](https://hub.mender.io/t/authorization-request-error-x509-because-it-doesnt-contain-any-ip-sans/1316/2 "2019-12-04T13:29:14Z")
> [@shah.sheraz3](#): > > URL:"[https://192.168.0.100/api/devices/](https://192.168.0.100/api/devices/) For HTTPS communication to work, certificates need to be generated for domain names, and will not work with an IP address. Please have a look at, [Production installation | Mender documentation](https://docs.mender.io/2.2/administration/production-installation#certificates-and-keys) ---
**Author:** ![shah.sheraz3](https://avatars.discourse-cdn.com/v4/letter/s/898d66/32.png) [@shah.sheraz3](https://hub.mender.io/u/shah.sheraz3)\ **Post date:** [December 5, 2019, 8:18am UTC](https://hub.mender.io/t/authorization-request-error-x509-because-it-doesnt-contain-any-ip-sans/1316/3 "2019-12-05T08:18:39Z")
My mistake i was trying to test demo server and by mistake edited mender.conf and edited the MENDER\_SERVER\_URL value, I reverted back the change and now it is working