Merge pull request #590 from PiBa-NL/hap_stickienes

haproxy-devel, configurable cookie and stick table session persistence options

2 files changed, 257 insertions, 59 deletions

diff --git a/config/haproxy-devel/haproxy.inc b/config/haproxy-devel/haproxy.inc
index 5ae86bb9..7f65e814 100644
--- a/config/haproxy-devel/haproxy.inc
+++ b/config/haproxy-devel/haproxy.inc
@@ -119,6 +119,45 @@ $a_servermodes["backup"]['name'] = "backup";
 $a_servermodes["disabled"]['name'] = "disabled";
 $a_servermodes["inactive"]['name'] = "inactive";
 
+// http://www.exceliance.fr/sites/default/files/biblio/aloha_load_balancer_haproxy_cookie_persistence_methods_memo.pdf
+$a_cookiemode = array();
+$a_cookiemode['passive'] 				= array('name' => 'Passive', 'syntax' => 'cookie <cookie name>',
+	'descr' => 'Cookie is analysed on incoming request to choose server. HAProxy does not perform any insertion update or deletion on the Cookie or Set-Cookie. If the Cookie is not set, then the load-balancing algorithm is applied.');
+$a_cookiemode['passive-silent']			= array('name' => 'Passive-silent', 'syntax' => 'cookie <cookie name> indirect',
+	'descr' => 'Cookie is analysed on incoming request to choose server. HAProxy does not perform any insertion, update or deletion on the Cookie. Set-Cookie is removed from response if not required. If the Cookie is not set, then HAProxy applies the load-balancing algorithm.');
+$a_cookiemode['reset']					= array('name' => 'Reset', 'syntax' => 'cookie <cookie name> rewrite',
+	'descr' => 'Cookie is analysed on incoming request to choose server and Set-Cookie value is overwritten in response if present. If the Set-Cookie isn\'t sent by the server, then HAProxy won\'t set it.');
+$a_cookiemode['set']					= array('name' => 'Insert', 'syntax' => 'cookie <cookie name> insert',
+	'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is overwritten if present and set to an unknown value or inserted in response if not present.');
+$a_cookiemode['set-silent'] 			= array('name' => 'Insert-silent', 'syntax' => 'cookie <cookie name> insert indirect',
+	'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is overwritten if present, inserted in response if needed and removed if a valid Cookie was provided.');
+$a_cookiemode['insert-only'] 			= array('name' => 'Insert-preserve', 'syntax' => 'cookie <cookie name> preserve insert',
+	'descr' => 'Cookie is analyzed on incoming request to choose server. Set-Cookie value is set only if the server does not provide one or if the client came without the Cookie.');
+$a_cookiemode['insert-only-silent'] 	= array('name' => 'Insert-preserve-silent', 'syntax' => 'cookie <cookie name> preserve insert indirect',
+	'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is left untouched if present, inserted in response if needed or removed if not needed.');
+$a_cookiemode['session-prefix'] 		= array('name' => 'Session-prefix', 'syntax' => 'cookie <cookie name> prefix',
+	'descr' => 'Cookie is analyzed on incoming request to choose server whose Cookie Name prefix matches. Set Cookie value is prefixed using server line Cookie ID in response. Cookie is modified only between HAProxy and the client only');
+$a_cookiemode['passive-session-prefix'] = array('name' => 'Passive-session-prefix', 'syntax' => 'cookie <cookie name> preserve prefix indirect',
+	'descr' => 'Cookie is analysed on incoming request to choose server whose Cookie ID prefix matches.');
+foreach($a_cookiemode as &$cookiemode)
+	$cookiemode['descr'] = $cookiemode['descr'] . "\n\n" . $cookiemode['syntax'] . "";
+
+$a_sticky_type = array();
+$a_sticky_type['none'] = array('name' => 'none',
+	'descr' => "No stick-table will be used");
+$a_sticky_type['stick_sslsessionid'] = array('name' => 'Stick on SSL-Session-ID',
+	'descr' => "Only used on https frontends. Uses the SSL-Session-ID to persist clients to a server.");
+$a_sticky_type['stick_sourceipv4'] = array('name' => 'Stick on SourceIP IPv4',
+	'descr' => "Stick on the client ip, drawback is that multiple clients behind a natted public ip will be balanced to the same server.");
+$a_sticky_type['stick_sourceipv6'] = array('name' => 'Stick on SourceIP IPv6',
+	'descr' => "Stick on the client ip, drawback is that multiple clients behind a natted public ip will be balanced to the same server.");
+$a_sticky_type['stick_cookie_value'] = array('name' => 'Stick on existing Cookie value',
+	'descr' => "Stick on the value of a session cookie",
+	'cookiedescr' => "Enables SSL-session-id based persistence. (only use on 'https' and 'tcp' frontends that use SSL)<br/>EXAMPLE: JSESSIONID PHPSESSIONID ASP.NET_SessionId");
+$a_sticky_type['stick_rdp_cookie'] = array('name' => 'Stick on RDP-cookie',
+	'descr' => "Uses a RDP-Cookie send by the mstsc client, note that not all clients send this.",
+	'cookiedescr' => 'EXAMPLE: msts or mstshash');
+
 function haproxy_custom_php_deinstall_command() {
 	exec("cd /var/db/pkg && pkg_delete `ls | grep haproxy`");
 	exec("rm /usr/local/pkg/haproxy*");
@@ -380,9 +419,10 @@ function haproxy_find_acl($name) {
 function write_backend($fd, $name, $pool, $frontend) {
 	if(!is_array($pool['ha_servers']['item']) && !$pool['stats_enabled']=='yes')
 		return;
-	global $a_checktypes;
+	global $a_checktypes, $a_cookiemode;
 		
 	$a_servers = &$pool['ha_servers']['item'];
+	$frontendtype = strtolower($frontend['type']);
 
 	unset($sslserverpresent);
 	if (is_array($a_servers))
@@ -396,17 +436,59 @@ function write_backend($fd, $name, $pool, $frontend) {
 	}
 	
 	fwrite ($fd, "backend " . $name . "\n");
-	if($pool['cookie_name'] && strtolower($frontend['type']) == "http")
-		fwrite ($fd, "\tcookie\t\t\t" . $pool['cookie_name'] . " insert indirect\n");
-
-	// https is an alias for tcp for clarity purpouses
+	// https is an alias for tcp for clarity purposes
 	if(strtolower($frontend['type']) == "https") {
 		$backend_type = "tcp";
 	} else {
 		$backend_type = $frontend['type'];
 	}
-			
 	fwrite ($fd, "\tmode\t\t\t" . $backend_type . "\n");
+
+	if ($frontendtype == "http") {
+		if ($pool["persist_cookie_enabled"] == "yes") {
+			$cookie_mode = $pool["persist_cookie_mode"];
+			$cookie_cachable = $pool["persist_cookie_cachable"];
+			$cookiesyntax = $a_cookiemode[$cookie_mode]["syntax"];
+			$cookie = str_replace("<cookie name>", $pool["persist_cookie_name"], $cookiesyntax);
+			$cookie .= $cookie_cachable == "yes" ? "" : " nocache";
+			fwrite ($fd, "\t" . $cookie . "\n");
+		}
+	}	
+	switch($pool["persist_sticky_type"]) {
+	case 'stick_sslsessionid':
+		if ($frontendtype == "https") {
+			fwrite ($fd, "\ttcp-request inspect-delay 5s\n");
+			fwrite ($fd, "\tstick-table type binary len 32 size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
+			fwrite ($fd, "\tacl clienthello req_ssl_hello_type 1\n");
+			fwrite ($fd, "\tacl serverhello rep_ssl_hello_type 2\n");
+			fwrite ($fd, "\ttcp-request content accept if clienthello\n");
+			fwrite ($fd, "\ttcp-response content accept if serverhello\n");
+			fwrite ($fd, "\tstick on payload_lv(43,1) if clienthello\n");
+			fwrite ($fd, "\tstick store-response payload_lv(43,1) if serverhello\n");
+		}
+		break;
+	case 'stick_rdp_cookie':
+		//tcp-request content accept if RDP_COOKIE
+		//fwrite ($fd, "\tstick on req.rdp_cookie(msts)\n");
+		fwrite ($fd, "\tstick-table type binary len 32 size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
+		fwrite ($fd, "\tstick on req.rdp_cookie(mstshash)\n");
+		break;
+	case 'stick_sourceipv4':
+		fwrite ($fd, "\tstick-table type ip size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
+		fwrite ($fd, "\tstick on src\n");
+		break;
+	case 'stick_sourceipv6':
+		fwrite ($fd, "\tstick-table type ip size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
+		fwrite ($fd, "\tstick on src\n");
+		break;
+	case 'stick_cookie_value':
+		if ($frontendtype == "http") {
+			fwrite ($fd, "\tstick-table type string len {$pool["persist_stick_length"]} size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
+			fwrite ($fd, "\tstick store-response res.cook({$pool["persist_stick_cookiename"]})\n");
+			fwrite ($fd, "\tstick on req.cook({$pool["persist_stick_cookiename"]})\n");
+		}
+		break;
+	}
 	
 	unset($checkport);
 	$check_type = $pool['check_type'];
@@ -487,10 +569,6 @@ function write_backend($fd, $name, $pool, $frontend) {
 		}
 	}
 
-	if($pool['cookie'] && strtolower($frontend['type']) == "http") 
-		$cookie = " cookie {$pool['cookie']} ";
-	else 
-		$cookie = "";
 	if($pool['advanced']) {
 		$advanced = base64_decode($pool['advanced']);
 		$advanced_txt = " " . $advanced;
@@ -501,9 +579,9 @@ function write_backend($fd, $name, $pool, $frontend) {
 	if ($check_type != 'none')
 	{
 		if($pool['checkinter']) 
-			$checkinter = "check inter {$pool['checkinter']}";
+			$checkinter = " check inter {$pool['checkinter']}";
 		else 
-			$checkinter = "check inter 1000";
+			$checkinter = " check inter 1000";
 	}
 	
 	//agent-check requires at least haproxy v1.5dev20
@@ -515,6 +593,10 @@ function write_backend($fd, $name, $pool, $frontend) {
 		foreach($a_servers as $be) {
 			if ($be['status'] == "inactive")
 				continue;
+			if($be['cookie'] && $frontendtype == "http") 
+				$cookie = " cookie {$be['cookie']}";
+			else 
+				$cookie = "";
 			
 			if (!$be['name'])
 				$be['name'] = $be['address'];
@@ -528,7 +610,11 @@ function write_backend($fd, $name, $pool, $frontend) {
 			{
 				$ssl = $backend_type == "http" ? ' ssl' : ' check-ssl';
 			}
-			fwrite ($fd, "\tserver\t\t\t" . $be['name'] . " " . $be['address'].":" . $be['port'] . "$ssl $cookie $checkinter$checkport$agentcheck $isbackup weight " . $be['weight'] . "{$advanced_txt} {$be['advanced']}\n");
+			$weight = "";
+			if (is_numeric($be['weight'])){
+				$weight = " weight " . $be['weight'];
+			}
+			fwrite ($fd, "\tserver\t\t\t" . $be['name'] . " " . $be['address'].":" . $be['port'] . "$ssl$cookie$checkinter$checkport$agentcheck $isbackup$weight{$advanced_txt} {$be['advanced']}\n");
 		}
 	}
 	fwrite ($fd, "\n");
diff --git a/config/haproxy-devel/haproxy_pool_edit.php b/config/haproxy-devel/haproxy_pool_edit.php
index 4eb280ca..3bc3ff9d 100644
--- a/config/haproxy-devel/haproxy_pool_edit.php
+++ b/config/haproxy-devel/haproxy_pool_edit.php
@@ -54,49 +54,58 @@ if (isset($_GET['dup']))
 
 global $simplefields;
 $simplefields = array(
-"name","cookie","balance","transparent_clientip","transparent_interface",
+"name","balance","transparent_clientip","transparent_interface",
 "check_type","checkinter","httpcheck_method","monitor_uri","monitor_httpversion","monitor_username","monitor_domain","monitor_agentport",
 "agent_check","agent_port","agent_inter",
 "connection_timeout","server_timeout","retries",
-"stats_enabled","stats_username","stats_password","stats_uri","stats_realm","stats_admin","stats_node_enabled","stats_node","stats_desc","stats_refresh");
+"stats_enabled","stats_username","stats_password","stats_uri","stats_scope","stats_realm","stats_admin","stats_node","stats_desc","stats_refresh",
+"persist_stick_expire","persist_stick_tablesize","persist_stick_length","persist_stick_cookiename","persist_sticky_type",
+"persist_cookie_enabled","persist_cookie_name","persist_cookie_mode","persist_cookie_cachable",
+"strict_transport_security"
+);
 
 $fields_servers=array();
-$fields_servers[0]['name']="name";
-$fields_servers[0]['columnheader']="Name";
-$fields_servers[0]['colwidth']="20%";
-$fields_servers[0]['type']="textbox";
-$fields_servers[0]['size']="30";
-$fields_servers[1]['name']="address";
-$fields_servers[1]['columnheader']="Address";
-$fields_servers[1]['colwidth']="10%";
+$fields_servers[0]['name']="status";
+$fields_servers[0]['columnheader']="Mode";
+$fields_servers[0]['colwidth']="5%";
+$fields_servers[0]['type']="select";
+$fields_servers[0]['size']="5";
+$fields_servers[0]['items']=&$a_servermodes;
+$fields_servers[1]['name']="name";
+$fields_servers[1]['columnheader']="Name";
+$fields_servers[1]['colwidth']="20%";
 $fields_servers[1]['type']="textbox";
-$fields_servers[1]['size']="20";
-$fields_servers[2]['name']="port";
-$fields_servers[2]['columnheader']="Port";
-$fields_servers[2]['colwidth']="5%";
+$fields_servers[1]['size']="30";
+$fields_servers[2]['name']="address";
+$fields_servers[2]['columnheader']="Address";
+$fields_servers[2]['colwidth']="10%";
 $fields_servers[2]['type']="textbox";
-$fields_servers[2]['size']="5";
-$fields_servers[3]['name']="ssl";
-$fields_servers[3]['columnheader']="SSL";
+$fields_servers[2]['size']="20";
+$fields_servers[3]['name']="port";
+$fields_servers[3]['columnheader']="Port";
 $fields_servers[3]['colwidth']="5%";
-$fields_servers[3]['type']="checkbox";
-$fields_servers[3]['size']="30";
-$fields_servers[4]['name']="weight";
-$fields_servers[4]['columnheader']="Weight";
-$fields_servers[4]['colwidth']="8%";
-$fields_servers[4]['type']="textbox";
-$fields_servers[4]['size']="5";
-$fields_servers[5]['name']="status";
-$fields_servers[5]['columnheader']="Mode";
-$fields_servers[5]['colwidth']="5%";
-$fields_servers[5]['type']="select";
+$fields_servers[3]['type']="textbox";
+$fields_servers[3]['size']="5";
+$fields_servers[4]['name']="ssl";
+$fields_servers[4]['columnheader']="SSL";
+$fields_servers[4]['colwidth']="5%";
+$fields_servers[4]['type']="checkbox";
+$fields_servers[4]['size']="30";
+$fields_servers[5]['name']="weight";
+$fields_servers[5]['columnheader']="Weight";
+$fields_servers[5]['colwidth']="8%";
+$fields_servers[5]['type']="textbox";
 $fields_servers[5]['size']="5";
-$fields_servers[5]['items']=&$a_servermodes;
-$fields_servers[6]['name']="advanced";
-$fields_servers[6]['columnheader']="Advanced";
-$fields_servers[6]['colwidth']="15%";
+$fields_servers[6]['name']="cookie";
+$fields_servers[6]['columnheader']="Cookie";
+$fields_servers[6]['colwidth']="10%";
 $fields_servers[6]['type']="textbox";
-$fields_servers[6]['size']="20";
+$fields_servers[6]['size']="10";
+$fields_servers[7]['name']="advanced";
+$fields_servers[7]['columnheader']="Advanced";
+$fields_servers[7]['colwidth']="15%";
+$fields_servers[7]['type']="textbox";
+$fields_servers[7]['size']="20";
 
 if (isset($id) && $a_pools[$id]) {
 	$pconfig['advanced'] = base64_decode($a_pools[$id]['advanced']);
@@ -260,6 +269,10 @@ foreach($simplefields as $field){
 	.haproxy_transparent_clientip{display:none;}
 	.haproxy_check_agent{display:none;}
 	.haproxy_agent_check{display:none;}
+	.haproxy_stick_cookiename{display:none;}
+	.haproxy_stick_tableused{display:none;}
+	.haproxy_cookie_visible{display:none;}
+	.haproxy_help_serverlist{display:none;}
   </style>
 </head>
 <body link="#0000CC" vlink="#0000CC" alink="#0000CC">
@@ -292,10 +305,18 @@ foreach($simplefields as $field){
 	{
 		d = document;
 		setCSSdisplay(".haproxy_stats_visible", stats_enabled.checked);
+		setCSSdisplay(".haproxy_cookie_visible", persist_cookie_enabled.checked);
 		
 		check_type = d.getElementById("check_type").value;
 		check_type_description = d.getElementById("check_type_description");
 		check_type_description.innerHTML=checktypes[check_type]["descr"]; 
+		
+		persist_cookie_mode = d.getElementById("persist_cookie_mode").value;
+		persist_cookie_mode_description = d.getElementById("persist_cookie_mode_description");
+		persist_cookie_mode_description.innerHTML=cookiemode[persist_cookie_mode]["descr"]; 
+		persist_cookie_mode_description.setAttribute('style','padding:5px; border:1px dashed #990000; background-color: #ffffff; color: #000000; font-size: 8pt; height:30px');
+		persist_cookie_mode_description.setAttribute('style','padding:5px; border:1px dashed #990000; background-color: #ffffff; color: #000000; font-size: 8pt; height:'+persist_cookie_mode_description.scrollHeight+'px');
+		
 		setCSSdisplay(".haproxy_check_enabled", check_type != 'none');
 		setCSSdisplay(".haproxy_check_http", check_type == 'HTTP');
 		setCSSdisplay(".haproxy_check_username", check_type == 'MySQL' ||  check_type == 'PostgreSQL');
@@ -307,6 +328,16 @@ foreach($simplefields as $field){
 		transparent_clientip = d.getElementById("transparent_clientip");
 		setCSSdisplay(".haproxy_transparent_clientip", transparent_clientip.checked);
 		
+		
+		persist_sticky_type = d.getElementById("persist_sticky_type").value;
+		setCSSdisplay(".haproxy_stick_tableused", persist_sticky_type != 'none');
+		setCSSdisplay(".haproxy_stick_cookiename", persist_sticky_type == 'stick_rdp_cookie' ||  persist_sticky_type == 'stick_cookie_value');
+		
+		cookie_example = sticky_type[persist_sticky_type]['cookiedescr'];
+		stick_cookiename_description = d.getElementById("stick_cookiename_description");
+		stick_cookiename_description.innerHTML = cookie_example;
+		sticky_type_description.innerHTML = sticky_type[persist_sticky_type]['descr'];
+		
 		monitor_username = d.getElementById("monitor_username");
 		sqlcheckusername = d.getElementById("sqlcheckusername");
 		if(!browser_InnerText_support){
@@ -343,19 +374,6 @@ foreach($simplefields as $field){
 			</td>
 		</tr>
 		<tr align="left">
-			<td width="22%" valign="top" class="vncell">Cookie</td>
-			<td width="78%" class="vtable" colspan="2">
-				<input name="cookie" type="text" <?if(isset($pconfig['cookie'])) echo "value=\"{$pconfig['cookie']}\"";?>size="64" /><br/>
-				  This value will be checked in incoming requests, and the first
-				  operational pool possessing the same value will be selected. In return, in
-				  cookie insertion or rewrite modes, this value will be assigned to the cookie
-				  sent to the client. There is nothing wrong in having several servers sharing
-				  the same cookie value, and it is in fact somewhat common between normal and
-				  backup servers. See also the "cookie" keyword in backend section.
-				
-			</td>
-		</tr>
-		<tr align="left">
 			<td class="vncell" colspan="3"><strong>Server list</strong>
 			<?
 			$counter=0;
@@ -603,6 +621,98 @@ set by the 'retries' parameter.</div>
 			</td>
 		</tr>
 		<tr><td>&nbsp;</td></tr>
+	<tr>
+			<td colspan="2" valign="top" class="listtopic">Cookie persistence</td>
+	</tr>
+	<tr align="left">
+			<td width="22%" valign="top" class="vncell">Cookie Enabled</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input id="persist_cookie_enabled" name="persist_cookie_enabled" type="checkbox" value="yes" <?php if ($pconfig['persist_cookie_enabled']=='yes') echo "checked"; ?> onclick='updatevisibility();' />
+				Enables cookie based persistence. (only used on 'http' frontends)
+			</td>
+		</tr>
+		<tr class="haproxy_cookie_visible" align="left">
+			<td width="22%" valign="top" class="vncellreq">Server Cookies</td>
+			<td width="78%" class="vtable" colspan="2">
+				<b>Make sure to configure a different cookie on every server in this backend.<b/>
+			</td>
+		</tr>
+		<tr class="haproxy_cookie_visible" align="left">
+			<td width="22%" valign="top" class="vncellreq">Cookie Name</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input id="persist_cookie_name" name="persist_cookie_name" type="text" <?if(isset($pconfig['persist_cookie_name'])) echo "value=\"{$pconfig['persist_cookie_name']}\"";?> size="64" /><br/>
+				The string name to track in Set-Cookie and Cookie HTTP headers.<br/>
+				EXAMPLE: MyLoadBalanceCookie JSESSIONID PHPSESSIONID ASP.NET_SessionId
+			</td>
+		</tr>
+		<tr class="haproxy_cookie_visible" align="left">
+			<td width="22%" valign="top" class="vncellreq">Cookie Mode</td>
+			<td width="78%" class="vtable" colspan="2">
+				<?
+				echo_html_select("persist_cookie_mode",$a_cookiemode,$pconfig['persist_cookie_mode'],"","updatevisibility();");
+				?>
+				Determines how HAProxy inserts/prefixes/replaces or examines cookie and set-cookie headers.<br/>
+				EXAMPLE: with an existing PHPSESSIONID you can for example use "Session-prefix" or to create a new cookie use "Insert-silent".<br/>
+				<br/>
+				<textarea readonly="yes" cols="60" rows="2" id="persist_cookie_mode_description" name="persist_cookie_mode_description" style="padding:5px; border:1px dashed #990000; background-color: #ffffff; color: #000000; font-size: 8pt;"></textarea>
+			</td>
+	</tr>
+		<tr class="haproxy_cookie_visible"  align="left">
+			<td width="22%" valign="top" class="vncell">Cookie Cachable</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input id="persist_cookie_cachable" name="persist_cookie_cachable" type="checkbox" value="yes" <?php if ($pconfig['persist_cookie_cachable']=='yes') echo "checked"; ?> onclick='updatevisibility();' />
+				Allows shared caches to cache the server response.
+			</td>
+		</tr>
+		<tr><td>&nbsp;</td></tr>
+	<tr>
+			<td colspan="2" valign="top" class="listtopic">Stick-table persistence</td>
+	</tr>
+		<tr><td class="vncell"></td><td class="vncell">These options are used to make sure seperate requests from a single client go to the same backend. This can be required for servers that keep track of for example a shopping cart.</td></tr>
+	<tr align="left">
+			<td width="22%" valign="top" class="vncell">Stick tables</td>
+			<td width="78%" class="vtable" colspan="2">
+				<?
+				echo_html_select("persist_sticky_type",$a_sticky_type,$pconfig['persist_sticky_type'],"","updatevisibility();");
+				?>
+				Sticktables that are kept in memory, and when matched make sure the same server will be used.<br/>
+				<textarea readonly="yes" cols="60" rows="2" id="sticky_type_description" name="sticky_type_description" style="padding:5px; border:1px dashed #990000; background-color: #ffffff; color: #000000; font-size: 8pt;"></textarea>
+			</td>
+		</tr>
+		<tr align="left" class="haproxy_stick_cookiename">
+			<td width="22%" valign="top" class="vncellreq">Stick cookie name</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input name="persist_stick_cookiename" type="text" <?if(isset($pconfig['persist_stick_cookiename'])) echo "value=\"{$pconfig['persist_stick_cookiename']}\"";?> size="20" />
+				Cookiename to use for sticktable<br/>
+				<span id="stick_cookiename_description"></span>
+			</td>
+		</tr>
+		<tr align="left" class="haproxy_stick_cookiename">
+			<td width="22%" valign="top" class="vncellreq">Stick cookie length</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input name="persist_stick_length" type="text" <?if(isset($pconfig['persist_stick_length'])) echo "value=\"{$pconfig['persist_stick_length']}\"";?> size="20" />
+				The maximum number of characters that will be stored in a "string" type stick-table<br/>
+				<span id="stick_cookiename_description"></span>
+			</td>
+		</tr>
+		<tr align="left" class="haproxy_stick_tableused">
+			<td width="22%" valign="top" class="vncellreq">stick-table expire</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input name="persist_stick_expire" type="text" <?if(isset($pconfig['persist_stick_expire'])) echo "value=\"{$pconfig['persist_stick_expire']}\"";?> size="20" /> d=days h=hour m=minute s=seconds ms=miliseconds(default)<br/>
+				Defines the maximum duration of an entry in the stick-table since it was last created, refreshed or matched.<br/>
+				EXAMPLE: 30m 
+			</td>
+		</tr>
+		<tr align="left" class="haproxy_stick_tableused">
+			<td width="22%" valign="top" class="vncellreq">stick-table size</td>
+			<td width="78%" class="vtable" colspan="2">
+				<input name="persist_stick_tablesize" type="text" <?if(isset($pconfig['persist_stick_tablesize'])) echo "value=\"{$pconfig['persist_stick_tablesize']}\"";?> size="20" /> maximum number of entries supports suffixes "k", "m", "g" for 2^10, 2^20 and 2^30 factors.<br/>
+				Is the maximum number of entries that can fit in the table. This value directly impacts memory usage. Count approximately
+				50 bytes per entry, plus the size of a string if any.<br/>
+				EXAMPLE: 50k
+			</td>
+		</tr>
+		<tr><td>&nbsp;</td></tr>
 		<tr>
 			<td colspan="2" valign="top" class="listtopic">Statistics</td>
 		</tr>
@@ -698,6 +808,8 @@ set by the 'retries' parameter.</div>
 <?
 	phparray_to_javascriptarray($fields_servers,"fields_servers",Array('/*','/*/name','/*/type','/*/size','/*/items','/*/items/*','/*/items/*/*','/*/items/*/*/name'));
 	phparray_to_javascriptarray($a_checktypes,"checktypes",Array('/*','/*/name','/*/descr'));
+	phparray_to_javascriptarray($a_cookiemode,"cookiemode",Array('/*','/*/name','/*/descr'));
+	phparray_to_javascriptarray($a_sticky_type,"sticky_type",Array('/*','/*/descr','/*/cookiedescr'));
 ?>
 	browser_InnerText_support = (document.getElementsByTagName("body")[0].innerText != undefined) ? true : false;