hi everyone,
I'm running RHEL5 Workstation and I'm having a devil of a time with
pam_krb5. I'm using kerberos 5 to authenticate all users and get AFS
tokens upon login. I can login to the console or gdm just fine. When
sshing into the machine with a kerberos 5 ticket, it properly passes the
ticket and gets a token. When I try to ssh into the machine without a
ticket and login with a password, it lets me into the machine, but I
have no ticket. There is no local password for the user, so kerberos
authentication is working, but the ticket isn't living past the initial
password check.
The dns and hostname are working properly and I can kinit and aklog
after login to get the proper access. Has anyone else seen this?
I've tried with and without using the pam_krb5 module
/etc/pam.d/system-auth
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth required pam_env.so
auth sufficient pam_unix.so nullok try_first_pass
auth requisite pam_succeed_if.so uid >= 500 quiet
auth sufficient pam_krb5afs.so use_first_pass tokens
auth required pam_deny.so
account required pam_unix.so broken_shadow
account sufficient pam_succeed_if.so uid < 500 quiet
account [default=bad success=ok user_unknown=ignore] pam_krb5afs.so
account required pam_permit.so
password requisite pam_cracklib.so try_first_pass retry=3
password sufficient pam_unix.so md5 shadow nullok try_first_pass
use_autht ok
password sufficient pam_krb5afs.so use_authtok
password required pam_deny.so
session optional pam_keyinit.so revoke
session required pam_limits.so
session [success=1 default=ignore] pam_succeed_if.so service in
crond quiet use_uid
session required pam_unix.so
session optional pam_krb5afs.so
/etc/pam.d/gdm:
#%PAM-1.0
auth required pam_env.so
auth include system-auth
account required pam_nologin.so
account include system-auth
password include system-auth
session optional pam_keyinit.so force revoke
session include system-auth
session required pam_loginuid.so
session optional pam_console.so
/etc/pamd/sshd
#%PAM-1.0
auth include system-auth
auth sufficient pam_krb5.so use_first_pass forwardable tokens
external=sshd
#auth sufficient pam_afs.krb.so use_first_pass forwardable tokens
account required pam_nologin.so
account include system-auth
password include system-auth
session optional pam_keyinit.so force revoke
session sufficient pam_krb5.so forwardable tokens external=sshd
session include system-auth
session required pam_loginuid.so
UsePAM is yes in sshd_config
part of krb5.conf:
[appdefaults]
pam = {
debug = false
ticket_lifetime = 36000
renew_lifetime = 36000
forwardable = true
krb4_convert = false
}
Any help is appreciated. /var/log/secure indicates success, but there
are no tickets in the shell.
Sincerely,
Jason
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