Why does Httpd fail with "[error] Init: Unable to read server certificate from file" after installing SSL certificate?

Solution Verified - Updated -

Issue

  • After installing SSL certificate on HTTP server, unable to start httpd.
  • The certificate was P7c formatted, hence it has been converted in to PEM format.
  • After installing the cert, httpd fails with the following error messages in log files.

    [Mon Feb 14 15:50:19 2011] [error] Init: Unable to read server certificate from file /etc/pki/tls/certs/s-infso-lobal_infso_cec_eu_int.p7c
    [Mon Feb 14 15:50:19 2011] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag
    [Mon Feb 14 15:50:19 2011] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error
    [Mon Feb 14 15:50:19 2011] [error] SSL Library Error: 218640442 error:0D08303A:asn1 encoding routines:ASN1_TEMPLATE_NOEXP_D2I:nested 
    asn1 error
    

Environment

  • Red Hat Enterprise Linux (RHEL) 5 and 6
    • Apache Web Server (httpd)

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