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FMC Error - Peer certificate cannot be authenticated

maxmann
Level 1
Level 1

Hi all, 

we got a FMCv version 7.2.5.and struggling with the software updates. FMC is behind a proxy/webgateway with SSL decryption. We added all nessesary CAs into FMC Trusted CAs, but there is no change. Do we missing something here ? 

FMCv running version Version is 7.2.5.1 (build 29) 

we also tried the workaround with is mention in other post but doesnt help

Workaround:
1. Enter sudo su in order to elevate to root.
2. Enter mv /etc/sf/keys/fireamp/thawte_roots /etc/sf/keys/fireamp/thawte_roots_bk in order to back up the current CA root bundle used for downloads.

3. Enter ln -s /etc/ssl/certs/ /etc/sf/keys/fireamp/thawte_roots to cause the updated CA root bundle to be used for subsequent downloads.

error messages: 

Download Latest Cisco Firepower Update Package.
Peer certificate cannot be authenticated with known CA certificates

Download Latest Cisco Firepower Vulnerability And Fingerprint Database Update.
Peer certificate cannot be authenticated with known CA certificates

thanks 




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