diff --git a/xCAT-client/bin/ppping b/xCAT-client/bin/ppping
index f570d3c02..a5371ec26 100755
--- a/xCAT-client/bin/ppping
+++ b/xCAT-client/bin/ppping
@@ -89,7 +89,7 @@ my $client = IO::Socket::SSL->new(
                 SSL_ca_file => $homedir."/.xcat/ca.pem",
                 SSL_use_cert => 1,
 		%sslargs,
-                #SSL_verify_mode => 1,
+                SSL_verify_mode => SSL_VERIFY_PEER,
              );
 die "Connection failure: $!\n" unless ($client);
 my %cmdref = (command => 'noderange', noderange => $noderange);
diff --git a/xCAT-client/bin/psh b/xCAT-client/bin/psh
index dbe5dfcb9..9fd625431 100755
--- a/xCAT-client/bin/psh
+++ b/xCAT-client/bin/psh
@@ -61,7 +61,7 @@ else {
                 SSL_cert_file=>$homedir."/.xcat/client-cred.pem",
                 SSL_ca_file => $homedir."/.xcat/ca.pem",
                 SSL_use_cert => 1,
-                #SSL_verify_mode => 1,
+                SSL_verify_mode => SSL_VERIFY_MODE,
              );
   die "Connection failure: $!\n" unless ($client);
   my %cmdref = (command => 'noderange', noderange => $noderange);