[sshd] Disable reverse DNS checks.

By default `sshd` compares the IP address of the client with the
result of a reverse DNS query for that address. However, many clients
do not have reverse DNS records. This commit disables the check.

diff --git a/sshd/sshd_config b/sshd/sshd_config
index 244f573ed7f064b68c9bd3e4e5ebabee31051102..6849906d74599db164c2662270895dac4a6e25c1 100644 (file)
--- a/sshd/sshd_config
+++ b/sshd/sshd_config
@@ -99,7 +99,7 @@ PrintMotd no
 #Compression delayed
 #ClientAliveInterval 0
 ClientAliveCountMax 1
-#UseDNS no
+UseDNS no
 #PidFile /var/run/sshd.pid
 #MaxStartups 10:30:100
 #PermitTunnel no