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# Nama Ukuran Diubah Mode Aksi

Nama	Ukuran	Diubah	Mode	Aksi
⬆️ .. (naik)
📁 css	-	2024-01-23 16:30:47	`drwxrxrx`	📦 📝 🔧
📁 img	-	2024-01-23 16:30:47	`drwxrxrx`	📦 📝 🔧
📄 AdminGeneral_Help.html	18.40 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 AdminListeners_General_Help.html	8.31 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 AdminListeners_SSL_Help.html	19.66 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 AdminSecurity_Help.html	9.83 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 App_Server_Context.html	40.50 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 App_Server_Help.html	26.08 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 CGI_Context.html	31.22 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Cache_Help.html	18.38 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Context_Help.html	7.79 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ExtApp_Help.html	11.96 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_FCGI.html	24.38 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_FCGI_Auth.html	24.45 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_LB.html	6.39 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_LSAPI.html	24.46 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_PL.html	12.96 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_Servlet.html	11.10 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 External_WS.html	11.17 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 FCGI_Context.html	25.19 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Java_Web_App_Context.html	31.68 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 LB_Context.html	25.27 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 LSAPI_Context.html	25.49 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Listeners_General_Help.html	12.19 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Listeners_SSL_Help.html	23.53 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 PHP_Help.html	24.49 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 PageSpeed_Config.html	7.14 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Proxy_Context.html	22.80 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Rails_Context.html	36.89 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Redirect_Context.html	17.48 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Rewrite_Help.html	12.83 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ScriptHandler_Help.html	9.66 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ServGeneral_Help.html	52.40 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ServLog_Help.html	18.36 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ServSecurity_Help.html	67.56 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ServTuning_Help.html	55.71 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 ServerStat_Help.html	21.53 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Servlet_Context.html	25.47 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Static_Context.html	38.30 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 Templates_Help.html	14.71 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VHAddOns_Help.html	15.28 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VHGeneral_Help.html	40.19 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VHPageSpeed_Config.html	6.73 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VHSSL_Help.html	23.84 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VHSecurity_Help.html	42.39 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 VirtualHosts_Help.html	21.41 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 admin.html	7.77 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 config.html	10.17 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 index.html	5.94 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 install.html	19.29 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 intro.html	9.63 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 license.html	13.06 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 security.html	10.53 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧
📄 webconsole.html	5.57 KB	2024-01-23 16:30:47	`frw-r-r-`	⬇️ 👁️ ✏️ 📦 📝 🔧

⬆️ .. (naik)

📁 css - 2024-01-23 16:30:47 drwxrxrx 📦 📝 🔧

📁 img - 2024-01-23 16:30:47 drwxrxrx 📦 📝 🔧

📄 AdminGeneral_Help.html 18.40 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 AdminListeners_General_Help.html 8.31 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 AdminListeners_SSL_Help.html 19.66 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 AdminSecurity_Help.html 9.83 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 App_Server_Context.html 40.50 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 App_Server_Help.html 26.08 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 CGI_Context.html 31.22 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Cache_Help.html 18.38 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Context_Help.html 7.79 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ExtApp_Help.html 11.96 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_FCGI.html 24.38 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_FCGI_Auth.html 24.45 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_LB.html 6.39 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_LSAPI.html 24.46 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_PL.html 12.96 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_Servlet.html 11.10 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 External_WS.html 11.17 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 FCGI_Context.html 25.19 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Java_Web_App_Context.html 31.68 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 LB_Context.html 25.27 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 LSAPI_Context.html 25.49 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Listeners_General_Help.html 12.19 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Listeners_SSL_Help.html 23.53 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 PHP_Help.html 24.49 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 PageSpeed_Config.html 7.14 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Proxy_Context.html 22.80 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Rails_Context.html 36.89 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Redirect_Context.html 17.48 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Rewrite_Help.html 12.83 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ScriptHandler_Help.html 9.66 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ServGeneral_Help.html 52.40 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ServLog_Help.html 18.36 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ServSecurity_Help.html 67.56 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ServTuning_Help.html 55.71 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 ServerStat_Help.html 21.53 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Servlet_Context.html 25.47 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Static_Context.html 38.30 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 Templates_Help.html 14.71 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VHAddOns_Help.html 15.28 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VHGeneral_Help.html 40.19 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VHPageSpeed_Config.html 6.73 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VHSSL_Help.html 23.84 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VHSecurity_Help.html 42.39 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 VirtualHosts_Help.html 21.41 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 admin.html 7.77 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 config.html 10.17 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 index.html 5.94 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 install.html 19.29 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 intro.html 9.63 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 license.html 13.06 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 security.html 10.53 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

📄 webconsole.html 5.57 KB 2024-01-23 16:30:47 frw-r-r- ⬇️ 👁️ ✏️ 📦 📝 🔧

Pratinjau & Edit: ExtApp_Help.html (read-only)

<!DOCTYPE html>
<head>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
  <title>LiteSpeed Web Server Users' Manual - External Apps</title>
  <meta name="description" content="LiteSpeed Web Server Users' Manual - External Apps." />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta name="robots" content="noindex">
  <link rel="shortcut icon" href="img/favicon.ico" />
  <link rel="stylesheet" type="text/css" href="css/hdoc.css">
</head>
<body>
<div class="pagewrapper clearfix"><aside class="sidetree ls-col-1-5">
  <figure>
    <img src="img/lsws_logo.svg" alt="lightspeed web server logo"
         width="100px"/>
  </figure>
  <h2 class="ls-text-thin">
    LiteSpeed Web Server
    <br />
    <span class="current"><a href="index.html">Users' Manual</a></span>
  </h2>
  <h3 class="ls-text-muted">Version 6.1 &nbsp;&#8212;&nbsp;Rev. 3</h3>
  <hr/>
  <div>
    <ul>
      <li><a href="license.html">License Enterprise</a></li>
      <li><a href="intro.html">Introduction</a></li>
      <li><a href="install.html">Installation</a></li>
      <li>
        <a href="admin.html">Administration</a>
        <ul class=" menu level2">
          <li><a href="ServerStat_Help.html">Service Manager</a></li>
        </ul>
      </li>
      <li><a href="security.html">Security</a></li>
      <li>
        <a href="config.html">Configuration</a>
	    <ul class="level2">
	      <li><a href="ServGeneral_Help.html">Server General</a></li>
          <li><a href="ServLog_Help.html">Server Log</a></li>
	      <li><a href="ServTuning_Help.html">Server Tuning</a></li>
	      <li><a href="ServSecurity_Help.html">Server Security</a></li>
          <li><a href="Cache_Help.html">Page Cache</a></li>
          <li><a href="PageSpeed_Config.html">PageSpeed Config</a></li>
          <li><span class="current"><a href="ExtApp_Help.html">External Apps</a></span></li>
          <ul class="level3">
            <li><a href="External_FCGI.html">Fast CGI App</a></li>
            <li><a href="External_FCGI_Auth.html">Fast CGI Authorizer</a></li>
            <li><a href="External_LSAPI.html">LSAPI App</a></li>
            <li><a href="External_Servlet.html">Servlet Engine</a></li>
            <li><a href="External_WS.html">Web Server</a></li>
            <li><a href="External_PL.html">Piped logger</a></li>
            <li><a href="External_LB.html">Load Balancer</a></li>
          </ul>
          <li><a href="ScriptHandler_Help.html">Script Handler</a></li>
          <li><a href="PHP_Help.html">PHP</a></li>
          <li><a href="App_Server_Help.html">App Server Settings</a></li>
          <li><a href="Listeners_General_Help.html">Listener General</a></li>
          <li><a href="Listeners_SSL_Help.html">Listener SSL</a></li>
          <li><a href="Templates_Help.html">Virtual Host Templates</a></li>
          <li><a href="VirtualHosts_Help.html">Virtual Host Basic</a></li>
          <li><a href="VHGeneral_Help.html">Virtual Host General</a></li>
          <li><a href="VHSecurity_Help.html">Virtual Host Security</a></li>
          <li><a href="VHSSL_Help.html">Virtual Host SSL</a></li>
          <li>
            <a href="VHPageSpeed_Config.html">Virtual Host PageSpeed Config</a>
          </li>
          <li><a href="Rewrite_Help.html">Rewrite</a></li>
          <li><a href="Context_Help.html">Context</a></li>
          <ul class="level3">
            <li><a href="Static_Context.html">Static Context</a></li>
            <li>
              <a href="Java_Web_App_Context.html">Java Web App Context</a>
            </li>
            <li><a href="Servlet_Context.html">Servlet Context</a></li>
            <li><a href="FCGI_Context.html">Fast CGI Context</a></li>
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<article class="contentwrapper ls-col-3-5 clearfix"><div class="nav-bar ls-spacer-micro-top"><div class="prev">&#171 <a href="PageSpeed_Config.html">PageSpeed Config</a></div><div class="center"><a href="config.html">Configuration</a></div><div class="next"><a href="ScriptHandler_Help.html">Script Handler</a> &#187;</div></div>
<h1>External Apps</h1><section class="ls-spacer-small-bottom">LiteSpeed web server can forward requests to external applications to process and generate dynamic content.

Since 2.0, LiteSpeed Web Server has supported seven types of external applications: CGI, FastCGI, web server, servlet
engine, LiteSpeed SAPI application, load balancer, and piped logger.

<ul>
  <li>
    CGI stands for Common Gateway Interface. The current standard is CGI/1.1. CGI applications run in standalone
    processes. A CGI process is started for each request and will exit after finishing the request.
  </li>
  <li>
    FastCGI is a fast, open, and secure web server interface that solves the performance problems inherent in CGI without
    introducing the overhead and complexity of proprietary APIs (Application Programming Interfaces).  For more information,
    please visit <a href="https://fastcgi-archives.github.io/">https://fastcgi-archives.github.io/</a>.

On LiteSpeed Web Server, FastCGI applications can take two roles: generating dynamic responses (a responder role) or
    authorizing requests (an authorizer role). LiteSpeed Web Server further defines two types of FastCGI applications: local
    FastCGI and remote FastCGI. Local FastCGI applications are started automatically by the web server on demand.
    Remote FastCGI applications are not started by the web server. (They can run on a remote machine or on the same
    machine.)
  </li>
  <li>
    A web server is a server application that supports HTTP 1.0/1.1 protocols. LiteSpeed web server can serve as a
    transparent reverse proxy to accelerate and protect web servers and application servers. When communicating with
    backend web servers, LiteSpeed will always try to utilize persistent connections in order to achieve the highest
    performance.
  </li>
  <li>
    A servlet engine is an application, like Apache Tomcat and Jetty, that implements Java servlets and Java Server Pages.
    LiteSpeed can communicate with servlet engines through AJPv1.3 (Apache JServ Protocol version 1.3). Servlet engine
    cannot be started by the web server and can be setup to run on a remote machine.
  </li>
  <li>
    A LiteSpeed SAPI (LiteSpeed Server Application Programming Interface) application is an application that communicates
    with LiteSpeed Web Server through LSAPI, a fast, scalable server interface specifically designed for LiteSpeed Web
    Server to achieve maximum efficiency.

LSAPI's mechanism of action are similar to FastCGI, but LSAPI applications can be up to 30% faster than comparable
    FastCGI applications. LSAPI is highly recommended over FastCGI for supported applications. (LSAPI currently supports
    applications written in PHP, Ruby, and Python.)

For more information about LSAPI, please visit
    <a href="https://www.litespeedtech.com/open-source/litespeed-sapi">
      https://www.litespeedtech.com/open-source/litespeed-sapi
    </a>.
  </li>
  <li>
    A load balancer is a virtual external application, which assigns requests to backend worker applications based on
    workload. Worker applications can be CGI, FastCGI, web server, servlet engine, or LSAPI applications. Different types of
    applications can be mixed together under one load balancer. Load balancers and piped loggers cannot be used as
    worker applications.
  </li>
  <li>
    A piped logger is an application that can process access logs in real-time, writing an access log into database or
    performing real-time statistics calculations, for example.
  </li>
</ul>

Unlike CGI applications, FastCGI applications, LSAPI applications, and servlet engine do not exit after processing a
request. The application process will stay/persist and serve as many requests as it can. The socket connection can be
reused for multiple requests as well.

External applications can be set up in the {PAGE=ExtApp_Help} section. External applications cannot, however, function
on their own. Additional settings must be configured so that the web server knows which requests to send to which
application. There are two ways to to configure this in LiteSpeed Web Server:

<ol>
  <li> Set the external application as a handler for a specific context.</li>
  <li> Set the external application as a handler of a script language via file suffix binding.</li>
</ol>

FastCGI applications, LSAPI applications, web servers, servlet engines, and load balancers have to be defined in the
{PAGE=ExtApp_Help} section before you can configure them to handle a context or script suffix. It is not necessary to
define CGI applications in the {PAGE=ExtApp_Help} section.

External applications can be configured at the server level or at the virtual host level. When configured at the server level, the
application can be used by all virtual hosts. When configured at the virtual host level, it can only be used by that virtual host.</section>
<h2 id="top">Table of Contents</h2><section class="toc"><section class="toc-row"><header>New External App</header><p>
<a href="#extAppType">Type</a></p></section>
</section>
<section><div class="helpitem"><article class="ls-helpitem"><div><header id="extAppType"><h3>Type<span class="ls-permlink"><a href="#extAppType"></a></span><span class="top"><a href="#top">&#8657;</a></span></h3></header></div><h4>Description</h4><p>Specifies the type of external application. Application types are differentiated by the service they provide or the protocol they use to communicate with the server. Choose from <ul>   <li><span class="val">FastCGI</span>: a FastCGI application with a <span class="val">Responder</span> role.</li>   <li><span class="val">FastCGI Authorizer</span>: a FastCGI application with an <span class="val">Authorizer</span> role</li>   <li><span class="val">Servlet Engine</span>: a servlet engine with an AJPv13 connector, such as Tomcat.</li>   <li><span class="val">Web Server</span>: a web server or application server that supports HTTP protocol.</li>   <li><span class="val">LiteSpeed SAPI App</span>: an application that communicates with the web server using LSAPI protocol.</li>   <li><span class="val">Load Balancer</span>: a virtual application that can balance load among worker applications.</li>   <li><span class="val">Piped Logger</span>: an application that can process access log entries received on its STDIN stream.</li> </ul></p> <h4>Syntax</h4><p>Select from drop down list</p> <h4>Tips</h4><p><span title="Information" class="ls-icon-info"></span> Most applications will use either LSAPI or FastCGI protocol. LSAPI supports PHP, Ruby, and Python. Perl can be used with FastCGI. (PHP, Ruby, and Python can also be set up to run using FastCGI, but they run faster using LSAPI.) Java uses servlet engines.</p> </article> </div>
</section>
</article><div  class="ls-col-1-1"><footer class="copyright">Copyright &copy; 2003-2020. <a href="https://www.litespeedtech.com">LiteSpeed Technologies Inc.</a> All rights reserved.</footer>
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