diff --git a/network/paloalto/ssh/mode/interfaces.pm b/network/paloalto/ssh/mode/interfaces.pm
index df1b15163..34b654603 100644
--- a/network/paloalto/ssh/mode/interfaces.pm
+++ b/network/paloalto/ssh/mode/interfaces.pm
@@ -81,6 +81,7 @@ sub new {
     bless $self, $class;
     
     $options{options}->add_options(arguments => {
+        'filter-name:s'       => { name => 'filter_name' },
         'unknown-status:s'    => { name => 'unknown_status', default => '' },
         'warning-status:s'    => { name => 'warning_status', default => '' },
         'critical-status:s'   => { name => 'critical_status', default => '%{state} ne "up"' },
@@ -108,6 +109,12 @@ sub manage_selection {
     $self->{global} = { total => 0 };
     $self->{interface} = {};
     foreach (@{$result->{hw}->{entry}}) {
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $_->{name} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping interface '" . $_->{name} . "': no matching filter.", debug => 1);
+            next;
+        }
+
         $self->{interface}->{$_->{name}} = {
             display => $_->{name},
             type => $_->{type},
@@ -123,10 +130,14 @@ __END__
 
 =head1 MODE
 
-Check vpn.
+Check interfaces.
 
 =over 8
 
+=item B<--filter-name>
+
+Filter interface name (can be a regexp).
+
 =item B<--unknown-status>
 
 Set unknown threshold for status (Default: '').
diff --git a/network/paloalto/ssh/mode/system.pm b/network/paloalto/ssh/mode/system.pm
index dfd595972..ce68cc8cb 100644
--- a/network/paloalto/ssh/mode/system.pm
+++ b/network/paloalto/ssh/mode/system.pm
@@ -116,7 +116,10 @@ sub get_diff_time {
     # '2019/10/15 12:03:58 BST'
     return if ($options{time} !~ /^\s*(\d{4})\/(\d{2})\/(\d{2})\s+(\d+):(\d+):(\d+)\s+(\S+)/);
 
-    my $tz = $7 eq 'BST' ? 'GMT' : $7;
+    my $tz = $7;
+    $tz = 'GMT' if ($tz eq 'BST');
+    $tz = 'Europe/Paris' if ($tz eq 'CEST');
+    $tz = 'America/New_York' if ($tz eq 'EST');
     my $dt = DateTime->new(
         year       => $1,
         month      => $2,