SIP TLS - Certificate Revocation List (CRL checks)

Weber, Thomas thomas.wt.weber at atos.net
Wed May 4 05:17:59 UTC 2022


Hi

We have configured FreeSWITCH to use TLS (SIPS/SRTP). This works fine except that no CRL checks seem to be performed on certificates.

There does not seem to be a way to turn on CRL checks. Is this correct?
If so, is there a specific reason why this has not been implemented?
The TLS implementation is based on OpenSSL, so support for CRL checking should be relatively easy.

Thanks for your help
Thomas

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