Update sshd_config with upstream.

Remove obsolete variables.

rpm/sshd_config

@@ -1,4 +1,4 @@
-#	$OpenBSD: sshd_config,v 1.97 2015/08/06 14:53:21 deraadt Exp $
+#	$OpenBSD: sshd_config,v 1.103 2018/04/09 20:41:22 tj Exp $
 
 # This is the sshd server system-wide configuration file.  See
 # sshd_config(5) for more information.
@@ -15,28 +15,14 @@
 #ListenAddress 0.0.0.0
 #ListenAddress ::
 
-# The default requires explicit activation of protocol 1
-#Protocol 2
-
-# HostKey for protocol version 1
-#HostKey /etc/ssh/ssh_host_key
-# HostKeys for protocol version 2
-#HostKey /etc/ssh/ssh_host_rsa_key
-#HostKey /etc/ssh/ssh_host_dsa_key
-#HostKey /etc/ssh/ssh_host_ecdsa_key
-#HostKey /etc/ssh/ssh_host_ed25519_key
 HostKey /etc/ssh/ssh_host_rsa_key
+#HostKey /etc/ssh/ssh_host_ecdsa_key
 HostKey /etc/ssh/ssh_host_ed25519_key
 
-# Lifetime and size of ephemeral version 1 server key
-#KeyRegenerationInterval 1h
-#ServerKeyBits 1024
-
 # Ciphers and keying
 #RekeyLimit default none
 
 # Logging
-# obsoletes QuietMode and FascistLogging
 #SyslogFacility AUTH
 #LogLevel INFO
 
@@ -48,7 +34,6 @@ HostKey /etc/ssh/ssh_host_ed25519_key
 #MaxAuthTries 6
 #MaxSessions 10
 
-#RSAAuthentication yes
 #PubkeyAuthentication yes
 
 # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
@@ -61,11 +46,9 @@ AuthorizedKeysFile	.ssh/authorized_keys
 #AuthorizedKeysCommandUser nobody
 
 # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
-#RhostsRSAAuthentication no
-# similar for protocol version 2
 #HostbasedAuthentication no
 # Change to yes if you don't trust ~/.ssh/known_hosts for
-# RhostsRSAAuthentication and HostbasedAuthentication
+# HostbasedAuthentication
 #IgnoreUserKnownHosts no
 # Don't read the user's ~/.rhosts and ~/.shosts files
 #IgnoreRhosts yes
@@ -75,7 +58,6 @@ AuthorizedKeysFile	.ssh/authorized_keys
 #PermitEmptyPasswords no
 
 # Change to no to disable s/key passwords
-#ChallengeResponseAuthentication yes
 ChallengeResponseAuthentication no
 
 # Kerberos options
@@ -97,7 +79,6 @@ ChallengeResponseAuthentication no
 # If you just want the PAM account and session checks to run without
 # PAM authentication, then enable this but set PasswordAuthentication
 # and ChallengeResponseAuthentication to 'no'.
-#UsePAM no
 UsePAM yes
 
 #AllowAgentForwarding yes
@@ -110,8 +91,6 @@ UsePAM yes
 #PrintMotd yes
 #PrintLastLog yes
 #TCPKeepAlive yes
-#UseLogin no
-UsePrivilegeSeparation sandbox		# Default for new installations.
 #PermitUserEnvironment no
 #Compression delayed
 #ClientAliveInterval 0