Update ssh configs for admins login.

etc/pam.d/sshd-sysadmins

@@ -0,0 +1,15 @@
+auth	required							pam_permit.so
+
+account	required							pam_permit.so
+
+session	[success=ok ignore=ignore module_unknown=ignore default=bad]	pam_selinux.so close
+session	required							pam_loginuid.so
+session	optional							pam_keyinit.so force revoke
+session	optional							pam_umask.so
+session	optional							pam_motd.so motd=/run/motd.dynamic # /etc/motd is handled by sshd.
+session	required							pam_limits.so
+session	required							pam_env.so
+session	required							pam_env.so envfile=/etc/default/locale
+session	[success=ok ignore=ignore module_unknown=ignore default=bad]	pam_selinux.so open
+session	optional							pam_mkhomedir.so 
+session	required							pam_permit.so

etc/ssh/ssh_config

@@ -5,3 +5,8 @@ Host *
   SendEnv			LANG LC_*
   VerifyHostKeyDNS		yes
   VisualHostKey			yes
+
+Host *.slackware.uk.internal *.slackware.uk.net
+  GSSAPIAuthentication		yes
+  GSSAPIDelegateCredentials	yes
+  Port				25422

etc/ssh/sshd_config

@@ -3,15 +3,20 @@ Include /etc/ssh/sshd_config.d/*.conf
 Port				25422
 
 AcceptEnv			LANG LC_*
+GSSAPICleanupCredentials	yes
+GSSAPIStrictAcceptorCheck	yes
 LoginGraceTime			30
 MaxStartups			5
 PermitRootLogin			prohibit-password
 StreamLocalBindUnlink		yes
 Subsystem			sftp	internal-sftp
+UsePAM				yes
 X11Forwarding			no
 
-Match Group "System Admins"
+Match Group "SLACKWAREUKINT\systems' admins"
+  AuthenticationMethods		publickey
+  #,password publickey,keyboard-interactive
   AuthorizedKeysCommand		/usr/bin/sss_ssh_authorizedkeys
   AuthorizedKeysCommandUser	root
-  AuthenticationMethods		"publickey"
-  # ,password"
+  GSSAPIAuthentication		yes
+  PAMServiceName		sshd-sysadmins