Hi
At first of all, I don't know if that's correct group to ask that question, but I've been advised by support team to post my problem here. Secondly I'm not super familiar with SSL but understand pki and whole idea.
Currently I'm testing two way SSL authentication to web page (instead userrname/password). Two certificates been purchased from Geotrust. One installed on webserver apache2.2 and simple test configuration introduced with literally one test of serial number of the client certificate.
The current config has been succesfully tested on Windows7/10 (firefox/chrome), Ubuntu13/14 (firefox/chrome), Macbook Pro (firefox), Android on LG/Sony (chrome). However I can not make it works on iPhone 6/6s. I'm trying install certificate but is showing straight away that is “not trusted”. I've checked CA list and Geotrust is listed there. No idea what really I can check/adjust now.
Any response/suggestions will be much appreciated.
Thanks in advance
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Markiz