Hi all,
Yep, I do use user-certs for authentication and it seems ocsp takes
time; but only on the IPA-server. Even on a Rapsberry Pi 3 as an
IPA-client, using the same IPA-server, it is 4 times faster...
Hence; something seems going wrong in oscp, but what could be causing
the problem?
Winfried
Op 09-02-2020 om 22:06 schreef Alexander Bokovoy:
On su, 09 helmi 2020, Winfried de Heiden via FreeIPA-users wrote:
Hi all,
For some reason, for a particular user, sss_ssh_authorizedkeys is
extremely slow on the IPA-server:
time /usr/bin/sss_ssh_authorizedkeys <username>~real 0m9.520suser
0m0.022ssys 0m0.018s
It will return all the public keys, but is is slow, causing SSH-login
delays using a ssh-keys.
On another CentOS Stream (8.1) IPA-client, using the same IPA-server:
time /usr/bin/sss_ssh_authorizedkeys <username>~real 0m0.020suser
0m0.005ssys 0m0.003s
Some difference...Adding "certificate_verification = no_ocsp" to
sssd.conf on the IPA-server will bring back performance, but sound
like a poor workaround.
Any idea what is happening here?
SSSD picks up certificates associated with the user entry for use as SSH
keys as well. I guess verification of those certificates via OCSP takes
time and that's why switching off the verification helps.
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