OCSP and Certificate-related Audit Log entries

Note

Note

The certificate index mentioned below follows the order in chain like server certificate has index 1, issuer of server certificate has index 2 and issuer of the issuer has index 3 and so on.
Table 1. OCSP and Certificate-related Audit Log entries
Operation Log Details
Certificate contains OCSP URI, but device encountered error in parsing Jan 9 22:51:51:E:Failed to parse responder IP=<junk data when parsing> URL from cert
OCSP Responder is not reachable Jan 9 22:51:51:E:OCSP: Responder was not reachable due to error status
Certificate status is unknown Jan 9 22:51:51:E:OCSP: Server/Intermediate Certificate of Index 2 in the chain is unknown
Certificate status if revoked Jan 9 22:51:51:E:OCSP: Server/Intermediate Certificate of Index 1 in the chain is revoked
OCSP responder is reachable but returns failure Jan 9 22:51:51:E:OCSP: Http error 201 returned from responder
OCSP responder returned invalid response status

Jan 9 22:51:51:E:OCSP:The following are the various response status codes. This audit log will be filed for all statuses. except 0.

successful (0) - Response has valid confirmations 
malformedRequest (1) - Illegal confirmation request 
internalError (2) - Internal error in issuer 
tryLater (3) - Try again later 
         (4) - not used 
sigRequired (5) - Must sign the request 
unauthorized (6) - Request 
unauthorized  
Eg OCSP: Response status 1 is invalid
OCSP responder returned response type in the packet not matching basic Jan 9 22:51:51:E:OCSP:Response type is not OCSP basic
OCSP responder returned version not matching 0 Jan 9 22:51:51:E:OCSP: Response version is invalid
OCSP responder returned repsonder tag not matching 1 or 2 Jan 9 22:51:51:E:OCSP: Responder id tag 0 is invalid
OCSP responder sent a certificate whose thisUpdate time has expired Jan 9 22:51:51:E:OCSP: Response has expired
OCSP responder sent a response where the signature algorithm is not SHA256 Jan 9 22:51:51:E:OCSP: Response does not have responder certificate or data mismatch for responder tag <responder tag>
OCSP responder sent responder id tag as 1, but cert DN and responder data are not same Jan 9 22:51:51:E:OCSP:Response does not have responder certificate or data mismatch for responder tag <responder tag>
OCSP responder sent responder id tag as 2, but cert public key hash and responder data don‘t match Jan 9 22:51:51:E:OCSP:Response does not have responder certificate or data mismatch for responder tag <responder tag>
OCSP responder sent a certificate whose ASN parsing failed on the switch Jan 9 22:51:51:E:OCSP: Responder certificate is invalid
OCSP responder sent a certificate without EKU field Jan 9 22:51:51:E:OCSP: Responder certificate EKU field is NULL
OCSP responder sent a certificate without EKU field assigned to signing purpose Jan 9 22:51:51:E:OCSP: Responder certificate EKU field is not set to OCSP signing purpose
OCSP responder sent a response without responder certificate or data mismatch Jan 9 22:51:51:E:OCSP: Response does not have responder certificate or data mismatch for responder tag <responder tag>