10-22-2021 11:03 PM
Hi
We are using PA-220 with OS 10.0.6
Self signed certificate got expired, after renewal of certificate all IOS devices are not connecting through global protect
Windows and android devices are connecting
IOS ver 14
GP ver 5.2.9-8
Error reported on IOS device "Gateway Apple: The network connection is unreachable or the gateway is unresponsive"
Kindly help to resolve this issue
10-23-2021 02:55 AM - edited 10-23-2021 02:57 AM
You need to troubleshoot this by generating a globalprotect log file and look at the PanGPS and PanGPA log files as maybe they see the gateway/portal with a invalid certificate as you may have not uploaded the root CA cert that signed portal/gateway self signed cert as a trusted cert in the CA store or if you are using a client cert for authentication maybe the phones are not providing the correct SSL cert and so on (in many cases you will do this with your MDM solution for managing mobile phone config etc.):
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClkBCAS
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClIICA0
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