09-26-2018 02:03 AM - edited 03-12-2019 06:59 AM
Hi,
We have a FTD and want to use SSL Decryption to protect my Exchange Server from outside, but after I configure the SSL Decryption, I got the Error Message: " not decrypt unsupported cipher suite", how can I find which cipher Suite not work? is there any command in FTD to find out?
Regards
Robin
09-26-2018 03:20 AM
There is a listing in the configuration guide.
Look here:
..and search for "Cipher Suite SSL Rule Conditions"
09-26-2018 05:33 AM
09-26-2018 08:25 AM - edited 09-26-2018 08:25 AM
You might be able to discern it from one of the more verbose debug commands.
However I'd suggest doing a packet capture instead. Wireshark is pretty good at showing you an SSL/TLS negotiation failure.
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