Am Tue, Nov 30, 2021 at 02:24:34PM -0000 schrieb Robert Wagensveld:
> Hi all,
>
> We've been using SSSD for a while successfully in our Kerberos over
> LDAP enterprise environment. However, our SSSD online query time,
> especially over VPN, is very poor, usually each login request or sudo
> requests takes about 1 minute. There does not seem to be a way around
> it, not even forcing SSSD to use the cache for a while even when
> online again. entry_cache_timeout does not help. Is there anything
> I'm missing? Some configuration options I do not know about yet?
Hi,
until recently SSSD unconditionally updated the group-memberships of the
user during authentication. With recent versions of SSSD there is the new
option pam_initgroups_scheme and SSSD does not update the
group-memberships if the related user is already logged in. This should
already help for sudo. To speed up the login as well if the user is not
already logged in you can set 'pam_initgroups_scheme = never' and SSSD
will used cached data as long as the cached data is valid.
HTH
bye,
Sumit
>
> [sssd]
> config_file_version = 2
> services = nss, pam, ifp
> domains = company.nl
> debug_level = 9
> [nss]
> entry_cache_nowait_percentage = 5
> filter_groups = root
> filter_users = root
> debug_level = 9
> [pam]
> offline_failed_login_attempts = 3
> offline_failed_login_delay = 30
> debug_level = 9
> [domain/company.nl]
> debug_level = 9
> id_provider = ldap
> ignore_group_members = true
> auth_provider = krb5
> chpass_provider = krb5
> access_provider = permit
> cache_credentials = true
> min_id = 1000
> entry_cache_timeout = 28800
> krb5_realm = COMPANY.NL
> krb5_canonicalize = false
> krb5_renewable_lifetime = 24h
> krb5_renew_interval = 6h
> krb5_server = dc03.company.nl
> krb5_store_password_if_offline = true
> krb5_ccname_template = FILE:%d/krb5cc_%U
> ldap_uri = ldap://dc03.company.nl
> ldap_search_base = DC=Company,DC=nl
> ldap_user_search_base = OU=CompanyCompany,DC=nl
> ldap_group_search_base = OU=Company,DC=Company,DC=nl??
> ldap_referrals = false
> enumerate = false
> ldap_force_upper_case_realm = true
> ldap_schema = rfc2307bis
> ldap_id_use_start_tls = false
> ldap_tls_reqcert = demand
> ldap_tls_cacert = /etc/ssl/certs/ca-certificates.crt
> ldap_sasl_canonicalize = true
> ldap_sasl_mech = GSSAPI
> ldap_user_object_class = user
> ldap_user_name = sAMAccountName
> ldap_user_uid_number = uidNumber
> ldap_user_gid_number = gidNumber
> ldap_user_gecos = gecos
> ldap_user_shell = loginShell
> ldap_user_home_directory = unixHomeDirectory
> ldap_user_principal = nonExistingAttribute
> ldap_group_object_class = group
> ldap_group_name = cn
> ldap_group_gid_number = gidNumber
> ldap_group_member = member
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