curl fails with "NSS error -5961" and "curl: (35) SSL connect error" on retrieving a https URL

Solution Verified - Updated -

Issue

  • A verbose curl to a https URL shows the below:
[root@hostname ~]# curl -v https://example.com/test.txt
* About to connect() to example.com port 443 (#0)
*   Trying 192.168.5.5... connected
* Connected to example.com (192.168.5.5) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* NSS error -5961
* Closing connection #0
* SSL connect error
curl: (35) SSL connect error

Environment

  • Red Hat Enterprise Linux 6.X
  • Red Hat Enterprise Linux 7.X

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