diff --git a/html/cgi-bin/fireinfo.cgi b/html/cgi-bin/fireinfo.cgi
index 5eec4ba96..0060a117c 100644
--- a/html/cgi-bin/fireinfo.cgi
+++ b/html/cgi-bin/fireinfo.cgi
@@ -156,7 +156,7 @@ print <<END;
 	</tr>
 	<tr>
 		<td colspan='2'>
-			<textarea rows="25" cols="75" readonly="true">$profile</textarea>
+			<textarea rows="25" cols="75" readonly="readonly">$profile</textarea>
 		</td>
 	</tr>
 </table>
diff --git a/html/cgi-bin/gpl.cgi b/html/cgi-bin/gpl.cgi
index 7589054b6..5cfbebd15 100644
--- a/html/cgi-bin/gpl.cgi
+++ b/html/cgi-bin/gpl.cgi
@@ -58,7 +58,7 @@ print <<END;
 END
 ;	
 if ( -e "/usr/share/doc/licenses/GPLv3" ) {
-	print '<textarea rows=\'25\' cols=\'75\' readonly=\'true\'>';
+	print '<textarea rows=\'25\' cols=\'75\' readonly=\'readonly\'>';
 	print `cat /usr/share/doc/licenses/GPLv3`;
 	print '</textarea>';
 }
diff --git a/html/cgi-bin/mdstat.cgi b/html/cgi-bin/mdstat.cgi
index 35c7debf8..e22856f1f 100644
--- a/html/cgi-bin/mdstat.cgi
+++ b/html/cgi-bin/mdstat.cgi
@@ -41,7 +41,7 @@ my %mainsettings = ();
 
 &Header::openbox('100%', 'left',"MD Raid State");
 
-print '<textarea rows="25" cols="80" readonly="true">';
+print '<textarea rows="25" cols="80" readonly="readonly">';
 print `cat "/proc/mdstat"`;
 print '</textarea>';
 
diff --git a/html/cgi-bin/ovpnmain.cgi b/html/cgi-bin/ovpnmain.cgi
index 1ff2bf98a..557cf7222 100644
--- a/html/cgi-bin/ovpnmain.cgi
+++ b/html/cgi-bin/ovpnmain.cgi
@@ -2488,7 +2488,7 @@ if ($cgiparams{'ACTION'} eq "edit"){
     <table width='100%' border='0'>
     <tr><form method='post'>
 	<td width='10%' nowrap='nowrap'>$Lang::tr{'ccd name'}:</td><td><input type='TEXT' name='ccdname' value='$cgiparams{'ccdname'}' /></td>
-	<td width='8%'>$Lang::tr{'ccd subnet'}:</td><td><input type='TEXT' name='ccdsubnet' value='$cgiparams{'ccdsubnet'}' readonly /></td></tr>
+	<td width='8%'>$Lang::tr{'ccd subnet'}:</td><td><input type='TEXT' name='ccdsubnet' value='$cgiparams{'ccdsubnet'}' readonly='readonly' /></td></tr>
 	<tr><td colspan='4' align='right'><hr><input type='submit' value='$Lang::tr{'save'}' /><input type='hidden' name='ACTION' value='editsave'/>
 	<input type='hidden' name='ccdname' value='$cgiparams{'ccdname'}'/><input type='submit' value='$Lang::tr{'cancel'}' />
 	</td></tr>
diff --git a/html/cgi-bin/proxy.cgi b/html/cgi-bin/proxy.cgi
index c8f0dca77..c4cff4789 100644
--- a/html/cgi-bin/proxy.cgi
+++ b/html/cgi-bin/proxy.cgi
@@ -2236,7 +2236,7 @@ print <<END
 	<td width='25%'><input type='text' name='NCSA_USERNAME' value='$proxysettings{'NCSA_USERNAME'}' size='12'
 END
 ;
-	if ($proxysettings{'ACTION'} eq $Lang::tr{'edit'}) { print " readonly "; }
+	if ($proxysettings{'ACTION'} eq $Lang::tr{'edit'}) { print " readonly='readonly' "; }
 	print <<END
 	 /></td>
 	<td width='25%' class='base'>$Lang::tr{'advproxy NCSA group'}:</td>
diff --git a/html/cgi-bin/samba.cgi b/html/cgi-bin/samba.cgi
index d48edf80f..cdc966498 100644
--- a/html/cgi-bin/samba.cgi
+++ b/html/cgi-bin/samba.cgi
@@ -816,7 +816,7 @@ END
 		<form method='post' action='$ENV{'SCRIPT_NAME'}#$Lang::tr{'accounting'}'>
 		<table width='95%' cellspacing='0'>
 		<tr bgcolor='$color{'color20'}'><td colspan='2' align='left'><b>$Lang::tr{'change passwords'}</b></td></tr>
-		<tr><td align='left'>$Lang::tr{'username'}</td><td><input type='text' name='USERNAME' value='$username' size='30' readonly /></td></tr>
+		<tr><td align='left'>$Lang::tr{'username'}</td><td><input type='text' name='USERNAME' value='$username' size='30' readonly='readonly' /></td></tr>
 		<tr><td align='left'>$Lang::tr{'password'}</td><td><input type='password' name='PASSWORD' value='$password' size='30' /></td></tr>
 		<tr><td colspan='2' align='center'><input type='hidden' name='ACTION' value='smbchangepw' />
 																				<input type='image' alt=$Lang::tr{'save'} title=$Lang::tr{'save'} src='/images/media-floppy.png' /></td></tr>