SSL Forward Proxy Decryption with ECDSA Cert?

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L4 Transporter

SSL Forward Proxy Decryption with ECDSA Cert?

Just wondering if it's possible to use an Elliptical Curve DSA cert with CA and Trusted Root to be the Forward Trust Certificate for the SSL Forward Proxy decryption feature? 

 

Reading about the Perfect Forward Secrecy feature here:

https://www.paloaltonetworks.com/documentation/71/pan-os/newfeaturesguide/decryption-features/perfec...

 

It would seem like ECDSA certs are supported in use with Forward Proxy SSL decryption but, when I generate a cert, the Forward Trust and Forward Untrusted check boxes are greyed out.

 

I'm on release 7.1.6

 

Thanks!

L3 Networker

Re: SSL Forward Proxy Decryption with ECDSA Cert?

Hi,

 

The certifiacte you have genearted on PA has CA enbaled, I mean did you make it as CA to be used for Decryption. If it is a CA you should see that Forward Trust option is highlighted.

 

Best Regards,

 

Fozail

L1 Bithead

Re: SSL Forward Proxy Decryption with ECDSA Cert?

As already mentioned, making sure the CA box is checked is critical.

 

In verison 8.0, you weren't able to use ECDSA effectively until version 8.0.9 as newer browsers were unhappy about a null trailer in the resigned certificates from the firewall.

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