URL:
https://github.com/SSSD/sssd/pull/620
Title: #620: Add pam_cert_pam_services option
abbra commented:
"""
I think +service style is better. Sorry for slow answers, I'm at the conference this
week.
"""
See the full comment at
https://github.com/SSSD/sssd/pull/620#issuecomment-411373283