MAC OS Decryption Issues

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L0 Member

MAC OS Decryption Issues

Hello All,

 

I was just curious if anyone has encountered issues with Apple Mac devices and SSL decryption? We have users that are unable to perform an Internet Recovery over the network, but when they are off the network it works for them. This has only started since implenting SSL Decryption. We have excluded apple.com from SSL inspection but the issue still persists. Just curious if anyone has any ideas on other things to exclude?

 

Thank you!

 

L7 Applicator

Re: MAC OS Decryption Issues

No experience but in addition to apple.com also exclude *.apple.com

If it still fails then exclude decryption for specific IP that is performing Internet Recovery and check logs where it connected to.

Enterprise Architect @ Cloud Carib www.cloudcarib.com
ACE (3.0, 5.0, 6.0, 7.0), PCNSE (6, 7), PCNSI
L0 Member

Re: MAC OS Decryption Issues

Thank you for responding. We do have apple.comand *.apple.com but still not luck. I checked the logs and do not see any decryption errors. Saw a couple tcp-rst-from-client's in there but nothing really stands out. 

L7 Applicator

Re: MAC OS Decryption Issues

have you tried adding *.apple.com to your no decrypt policy.

i do not use it but am aware that it uses :-

 

osrecovery.apple.com or oscdn.apple.com 

 

so... I would have

 

apple.com and *.apple.com in your no-decrypt policy

L7 Applicator

Re: MAC OS Decryption Issues

oops... sorry late post...

L7 Applicator

Re: MAC OS Decryption Issues

Then I suggest to exclude this machine from decryption.

Run recovery.

Run report from Monitor > PDF Reports > User Activity Report to get whole connection pattern.

Enterprise Architect @ Cloud Carib www.cloudcarib.com
ACE (3.0, 5.0, 6.0, 7.0), PCNSE (6, 7), PCNSI
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