Apache Server Configs is a collection of configuration snippets that can help your server improve the web site's performance and security, while also ensuring that resources are served with the correct content-type and are accessible, if needed, even cross-domain. How to solve this? Maybe some already enabled modules link. clients package). By default Userdir Module is available when apache2 package installed on ubuntu server but not yet active. This post describe how to quickly enable SSL for apache web server under linux. Skip to main content. Restart Apache Server. so LoadModule socache_shmcb_module modules/mod_socache_shmcb. Run '/etc/init. yml fileedit. Those relevant to proxying and this article include: mod_proxy: The core module deals with proxy infrastructure and configuration and managing a proxy request. This is assuming you are using Apache in prefork mode, which is highly recommended and likely if you are on a small VPS. The XAMPP control panel gives you complete control over all installed XAMPP components. Now with the module built, and moved among the other modules, it is time to enable the module! Recent Apache versions come with the handy a2enmod program to enable modules (and a2dismod to disable). To disable the module run: sudo a2dismod rewrite. Check Modules Status. d/apache2 force-reload. JBoss Application Server Starting from JBoss AS 6 M4, the default webservices stack is internally based on Apache CXF; as a consequence users might experiment classloading issues with classes from both the CXF libraries and its dependencies if included in deployments and not properly isolated. If you have installed Apache HTTP server via apt-get or aptitude on Debian or Ubuntu systems, it has mod_rewrite module installed, but not enabled by default. Apache, MySQL and PHP on FreeBSD from ports. Apache 2 has a nice feature to allow a server admin to view the performance of Apache. Whether to enable the JAXB annotations module when using jackson. This module allows for control of internal environment variables that are used by various Apache HTTP Server modules. apache2-mod_wsgi from Apache:Modules project Select Your Operating System. sudo service apache2 restart. Installing Apache. Apache Camel ships a Spring Boot Starter module that allows you to develop Spring Boot applications using starters. Apache HTTP Server 2. htaccess files (please see this compatibility chart). For additional module activation you only need to add a new line in the text box, like for example:. ini file in folder you install PHP. Make sure Apache. Those relevant to proxying and this article include: mod_proxy: The core module deals with proxy infrastructure and configuration and managing a proxy request. conf envvars mods-enabled sites-enabled conf-available magic ports. Debian has many modules for Apache, which package names are usually prefixed with libapache2-mod. The modules in apache are known as Dynamic Shared Objects (DSOs). Check Modules Status. For additional module activation you only need to add a new line in the text box, like for example:. ### Syntax phpenmod MODULE_NAME ### Enable mbstring php module phpenmod mbstring You can. Module Configuration (module. If you have your own server running Apache and are running PHP as CGI, you can install CGIWrap. To enable statistic names, set the STATS_NAMES value to 1 in the application syscfg. The objective is to show how to enable and disable PHP curl module with Apache on Ubuntu Linux Operating System and Software Versions Operating System: - Ubuntu 16. org, a friendly and active Linux Community. I do believe that the reason why the php package the comes with CentOS does not include this is because of the question in worker's stability. Once the server is installed you need to do three things to get a working SSL setup: Generate, or import, a certificate. This module allows for control of internal environment variables that are used by various Apache HTTP Server modules. This prevents the Apache web server from getting overloaded at certain times in a day. d/apache2 restart' to activate new configuration! If you check the mods-enabled folder, you will see the php5. a2enmod: enable/disable an apache module in APACHE_MODULES in /etc/sysconfig/apache2 usage: a2enmod [-d] module a2enmod -l list modules a2enmod -q module query if module is installed. After enabling and loading necessary Apache modules, navigate to your Apache configuration directory and edit Apache configuration. c Simply run the following from the terminal: sudo a2enmod rewrite. These instructions are intended specifically for viewing which Apache modules are enabled on Ubuntu. so DSO module that was compiled on an Apache using EAPI, such as Apache-mod_ssl or Apache from Redhat distro 6. Apache, MySQL and PHP on FreeBSD from ports. It means enable the WebDAV access for “sites” folder, and use “user. It is a module that enables insights into the Apache HTTP Server performance and statistics. conf file containing its configuration. IIS on Windows, Nginx on Linux, MacOS) but the Apache HTTP Server is very popular on all platforms. Because each additional virtual host adds to the execution time, this command may require a long timeout be specified by using -t 10. To load the dashboards, you need direct access to Elasticsearch. Notice, use these modules at your own risk. WebDAV can be enabled in Apache. It is a free, open-source and cross-platform HTTP server providing powerful features which can be extended by a wide variety of modules. Note that only contexts for added projects will be written to separate XML files. The page has been written as a recipe for success – we recommend you follow it step by step. then I checked that if my apache mod_headers module is enable or not. Once installed, modules can be enabled or disabled with the commands a2enmod and a2dismod. Next, open up "C:\Program Files\Apache Software Foundation\Apache2. mod_fcgid is a smaller, compatible alternative. Module interface at deployment, its init (); method will be called. a2enmod modulename – this will enable a module. x a version of the mod_dav module is included. So if you need to allow access so that the web server can be accessed from within a LAN we need to fine tune the firewall configuration. x View Loaded Apache Modules. Generating modules ID. Enable Apache mod_headers and mod_expires modules by John Kumar · March 25, 2018 Un-managed servers based on Apache have option to enable or disable modules accordingly. To enable HTTP/2 on your Apache web server add one of the following to your global Apache configuration or inside of a particular virtual host. Some environment requires an ID to be generated for each module defined in the application. --with-nghttp2= This specifies a non-standard location for the library libnghttp2 which is necessary for the http2 module. These instructions also apply, mostly, for any UNIX-like system, especially other Linux distributions. By the way, this is list of my loaded modules:. Here is the Magento Apache 2. If you plan to enable HTTPS, use the connector under HTTPS - Proxying Confluence via Apache or Nginx over HTTPS. Dear Apache developers, I have developped an Axis2C Soap service and successfully deployed in Axis2C simple http server. This allows for the use of urls that are human readable, and SEO friendly. htaccess on Apache servers in Windows like XAMPP. In my opinion if you need this enabled then you should enable it only on some particular directory where you need it and disable it server wide. Apache's configuration files decide which modules are loaded when the server starts. This involves installing and configuring the PHP engine, a MySQL database, an Apache web server, and the XDebug debugger. 12\src\CoreD\ApacheCore. PHP has been pre-configured for test, production and development. I'm working on enabling mod_speling for my apache install. LoadModule ibm_ssl_module modules/mod_ibm_ssl. Enable Apache mod_headers and mod_expires modules by John Kumar · March 25, 2018 Un-managed servers based on Apache have option to enable or disable modules accordingly. How do I enable apache modules from the command line in RedHat? On Debian/Ubuntu systems I use a2enmod to enable modules from the command line. If you are in Apache2 you could easily enable a module by running ‘sudo a2enmod userdir’. Multiple classes can be separated by comma. How to enable HTTP/2 support in Apache Upgrade Apache. 4 upon an unsuspecting populace, we have gained some very neat functionality regarding apache and php: the ability to run PHP as a fastCGI process server, and address that fastCGI server directly from within apache, via a dedicated proxy module (mod_proxy_fcgi. Starting Java 11, the java. Here is the Magento Apache 2. Similarly to disable module we use a2dismod command. Installing a module makes it available to your server, but does not automatically activate the module in your Apache server. ini file in folder you install PHP. mod_so and mod_http have been set to "static" in this patch. Using Apache mod_expires to control browser caching Posted in Apache - Last updated Mar. d directory. Linkurious - A browser-based graph visualization software to search, explore and visualize connected data. conf example (using the module's directives) LoadModule ap2_snmp_module modules/mod_ap2_snmp. Oracle HTTP Server uses both Oracle developed modules or "plug-ins" and Apache and third party-developed modules. Is there an equivalent for RedHat/CentOS type systems?. exe which is the Apache webserver itself, which is spawned to several child processes while serving as many simultaneous incoming clients requests as required by MaxClients directive; ab. I've been using Ubuntu for some time however, and we don't put settings straight into php. Enabling apache module: sudo a2enmod [module name] a2enmod is an inbuilt script that enabling the given module in apache configuration file by creating symlinks. For other distributon, we need to install manually, Also we need to install mod_http2 module to RPM based system, which will enable automatically on apache while restarting. Finally, you may need to reload Apache to make sure your changes have been applied. Apache 2 has a nice feature to allow a server admin to view the performance of Apache. These instructions are intended specifically for viewing which Apache modules are enabled on CentOS. If you have mod_so then you can build PHP as a dynamic module. Get/Download the. htaccess file for per-directory access settings. Which Module ? Apache provides two mechanisms by which a request that it can receive can be forwarded to a servlet container like Jetty. optimization_settings: Apache Modules Management. In This tutorial i will described how to enabled and disbaled mode rewrite in your wamp/xampp mod_rewrite is an Apache web server module which is used to rewrite a URL at the server level. Related Searches to Disabling unnecessary modules in Apache apache module memory usage mod_authn_alias so install mod_authn_default yum install mod_authn_alias mod_authn_alias centos 7 authn_default_module mod_authn_alias. Apache Airflow Documentation¶ Airflow is a platform to programmatically author, schedule and monitor workflows. Build Apache with the standard modules, including mod_so so that you can load your own modules into the server. It allow you to. Like in our example, I want to enable mod_headers. In the Release Notes you can read about all new features, functions and languages. We'll get to that part a bit later. To install the apache modules on Debian or Ubuntu directly from. This module is community maintained without core committer oversight. Enabling module php5. This module is community maintained without core committer oversight. 2, in case there is a problem and it is not enabled this tutorial shows how to enable it. Because each additional virtual host adds to the execution time, this command may require a long timeout be specified by using -t 10. - Enable mod_status module. How to install and configure Apache, MySQL and PHP on Mac OS X 10. OPTIONS -q, --quiet Don't show informative messages. The following sample configuration demonstrates one way to enable data compression by specifying file extensions: In this example, Apache compresses any file that has an extension of. I’ll be working from a Liquid Web Core Managed CentOS 7 server with Apache 2 installed, and I’ll be logged in as root. The mod_speling module enables your web site to process filenames that vary in their case. To tweak your Apache setup, use the following two lines:. This document explains how to connect Tomcat to the popular open source web server, Apache. c module, I will use ‘headers’ (it’s actual name). a2ensite: enable or disable an apache2 site / virtual host. Is there a command that list all enabled Apache modules? Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Module Configuration (module. This is necessary to successfully call the above import directive for pydevd. state-Choices:. Enable mod_perl built as DSO, by adding to httpd. Enabling module php5. Re: Maintaining apache2 sites and modules lists Posted by Anonymous (82. If mod_rewrite module is enabled, it will also be included on that list. I'm guessing I should add something to the filebeat. I’ll be working from a Liquid Web Core Managed CentOS 7 server with Apache 2 installed, and I’ll be logged in as root. When mod_status module is enabled an HTML page will be presented to allow stats to be presented in a readable format in which refresh can be set. 4 to server large number of requests with fewer system resources than a process based server. Here is a quick overview of the Control Panel. Hence, you can easily install a missing module from “EasyApache 4” interface in WHM or directly from commandline. The Apache web server is a modular program. JUGRI - A Jupyter Gremlin interface. apache module default_vhost does not remove default vhosts configuring passenger from hiera with puppetlabs-apache module puppetlabs/apache includes as hiera resources. Enable PHP Modules. Apache's log files are typically named access_log and error_log. Welcome to LinuxQuestions. 0 is shipped. We should know the ways on how to change configuration settings like in apache how to enable mod_header module. 4 environment on RHEL 7. The Apache HTTP Server in combination with mod_ssl, a module that uses the OpenSSL toolkit to provide the SSL/TLS support, is commonly referred to as the SSL server. --with-mpm will set multiprocessing modules for. This is going to turn into another one of my "I love package management" posts. If the HTTPd installation uses the Adobe® Experience Manager (AEM) Dispatcher module, you must use the following steps to download the file that’s compatible with Apache HTTP Server 2. Let's first start with Apache, as I said we will be installing the Event MPM which is a threaded MPM and will serve files a lot faster, actually normal files as fast as Nginx. Before configuring Apache, we are going to enable the necessary modules that we will be using in this tutorial, or which might come in handy in the future. Forward & Reverse Apache Proxy – CentOS 7 August 28, 2014, 14:30 20 Comments There are two possible configurations for Apache Proxy Server and we will present installation and configuration of both types this how to. 2" so perhaps the documentation needs updating for 2. But for ASP. Step 1: Check if the module exists Before enabling the module mod_rewrite, we need to check if the module is already loaded in the httpd file. The mod_unique_id module is pre-requisite for Mod. and then you can redirect requests using RewriteRules. For phases where multiple modules participate, record the time each separate module takes to run logslow If specified, causes messages like "module mod_test. If you already have a central directory of users installed (AD or LDAP) you can configure most applications to use that directory instead of a local database for each application and make the user management much easier. 1 workarounds previously done within our applications and address these concerns within the transport layer itself. Apache Server Configs is a collection of configuration snippets that can help your server improve the web site's performance and security, while also ensuring that resources are served with the correct content-type and are accessible, if needed, even cross-domain. Once the server is installed you need to do three things to get a working SSL setup: Generate, or import, a certificate. Enabling/Disabling modules and sites in Apache - Ubuntu/CentOS The usual configuration in the Apache Web Server stems from a single point - httpd. Which apache-modules must I have enabled - and which should I enable (eg. How to enable my Apache module with root access?. org, a friendly and active Linux Community. htaccess for Apache 2. Binary packages come with the module already enabled. This guide will cover the Apache modules you need as well as the ones you don't so that you can optimize your server configuration and better serve your clients. If you are in Apache2 you could easily enable a module by running ‘sudo a2enmod userdir’. 4) configured and mod_rewrite enabled in httpd. There are no gurantees! They are virus free, or so says my AV and your mileage may vary. It's time to go a little old-school and lay out how to enable the Common. Manual editing is only recommended if you are familiar with the configuration file format, as no checking will be done to make sure that you have entered valid directives or parameters. This article refers to the 'Apache HTTP server' The Apache HTTP server is the software that (along with the PHP scripting language) 'runs' Moodle. Enable Gzip Module in Apache By default, a mod_deflate module is enabled in Apache. The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. Disable Module in Apache2. Unless explicitly called out, most templates are not meant for configuration. These instructions also apply, mostly, for any UNIX-like system, especially other Linux distributions. If you were unable to run a content management system like WordPress before, it should now work. The objective is to show how to enable and disable PHP curl module with Apache on Ubuntu Linux Operating System and Software Versions Operating System: - Ubuntu 16. Join 1 other follower. On older systems you may need to replace service apache2 with /etc/init. conf Posted on September 1, 2014 February 3, 2015 by Ahmed Amayem Though installing different versions of php using yum should enable php automatically on Apache 2. 3 version of Apache under FreeBSD. Sign me up!. Let's compile Apache HTTP with the mod_http2, mod_ssl module. I think many Apache2 unused modules loaded. a2enmod, a2dismod - enable or disable an apache2 module SYNOPSIS¶ a2enmod [ [-q|--quiet] module] a2dismod [ [-q|--quiet] module] DESCRIPTION¶ This manual page documents briefly the a2enmod and a2dismod commands. c Simply run the following from the terminal: sudo a2enmod rewrite. conf file for global settings, and the. and see if rewrite is listed here: sudo apache2ctl -M. Last updated on: 2019-01-17; Authored by: Rackspace Community; If you recently performed a compliance security scan, the results might look like the following example:. When mod_status module is enabled an HTML page will be presented to allow stats to be presented in a readable format in which refresh can be set. In any case, you need at least an output defined, in your configuration it looks like you don't have any defined. 3x, enable the expires and headers modules by adding the following lines to your httpd. 0), EasyApache version 4. 04 doesn’t enable the rewrite engine module after installing Apache. While both products offer Apache compatible syntax and can read. Apache is the most well-known and widely used web server around the world. An example of commonly used module is mod_perl, which is used to increase Perl CGI script execution speed by. After the build completes, use cPanel's Optimize Website interface (Home >> Software/Services >> Optimize Website) to enable compression for each website. This section summarizes how to configure and start version 2. Debian has many modules for Apache, which package names are usually prefixed with libapache2-mod. 4: Run the following commands to extract the dispatcher-apache2. In this recipe, we will activate the mod_rewrite module. For more details about configuration and installation of apache, plz read this article installing-apache-mysql-php-linux. It is a module that enables insights into the Apache HTTP Server performance and statistics. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. conf and php5. To check whether the Apache is working well, you have to input the server IP in the browser and check. I'm going to disable some of them. That is where Apache Digest Authentication takes over and provides us with MD5 encrypted values, using the mod_digest Apache module. One of those modules is the mod_rewrite module, which we will cover how to enable in this article. mod_security is an Apache module (for Apache 1 and 2) that provides intrusion detection and prevention for web applications. Let’s say you have your own Apache 2 setup in your home directory, and you want to build and install PHP as well, and set it up as an Apache module without root privileges (e. These types of issues can occur with files created on an operating system that uses a case-insensitive file system, such as Microsoft Windows. htaccess file is a directory-level configuration file for Apache HTTP server, which allows one to override the web server's system-wide settings without modifying the global configuration file (e. apache2_module - Enables/disables a module of the Apache2 webserver Name of the module to enable/disable as given to a2enmod/a2dismod. How to Solve overwrite index. 0, fault address 0x00004ae0. for cool WP- Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. htaccess to provide directory-level instructions for Apache. 3 and here we explain why you should be as excited as we are! Gradle Module Metadata was created to solve many of the problems that have plagued dependency management for years, in particular, but not exclusively, in the Java ecosystem. and see if rewrite is listed here: sudo apache2ctl -M. Apache Airflow Documentation¶ Airflow is a platform to programmatically author, schedule and monitor workflows. How to enable zlib compression manually for PHP scripts PHP Zlib module allows you to transparently read and write gzip compressed files. The aim of this article is to give developers a complete set of steps that will allow them to setup their own isolated development environment for developing websites with ASP. This will work fine on Debian also, but I am going to show you the Debian particular method of managing apache2 modules. If you have also installed PHP support and enabled server side includes in Apache, the directive will instruct Apache to look first for an index. For other distributon, we need to install manually, Also we need to install mod_http2 module to RPM based system, which will enable automatically on apache while restarting. If mod_rewrite module is enabled, it will also be included on that list. Welcome to LinuxQuestions. To disable a module, the a2dismod command is used. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. conf , so as to ensure that everything works without a hitch. these command will be create symlink /etc/apache2/mods-available/userdir. If it is not found there configure is considering module-file to be an absolute file path and tries to copy the source file into the module-type subdirectory. I’ll be working from a Liquid Web Core Managed Ubuntu 14. Choose the “Global Configuration” tab, and go to “Configure Apache Modules”. and then you can redirect requests using RewriteRules. ### Syntax phpenmod MODULE_NAME ### Enable mbstring php module phpenmod mbstring You can. In below example, the first command is an example and the second command will enable mbstring module for all installed PHP versions and all SAPI. Is there an equivalent for RedHat/CentOS type systems?. Passenger is a rock-solid, feature-rich web app server that integrates with Apache and Nginx. I am developing a strategy game for web where there there will be a lot of client-server traffic for sending attacks, moves, etc. Then hit the “Enable Selected Modules” button, then hit “Apply Changes”. Optional Step 2: Configuring PHP. conf file of any installed module if needed, then enable the module: sudo a2enmod [module-name] To disable a module that is currently enabled: a2dismod [module-name] Optional: Install Support for Scripting. What are all the modules you can use. Adding modules. To enable this module, follow these steps: Enable the LDAP module. Jack Wallen explains why you'd want to enable the Common Gateway Interface on an Apache server and then shows how to do it. How can I enable. Which is the most elegant way to check which apache modules are enabled? Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Connectivity from C, C++, Python,. But I just want some "do & don't", which one can be disabled, which one is needed for a Drupal website? Thanks in advance. As the option states, it is experimental. Apache compatible URL rewriting for IIS. ├── apache2. Enable SSH after fresh Apache2 or LAMP install HTTPS / SSL certificate - install, upload, enable SSL module for Apache and how to test it Install and configure Virtual Host / Server or how to host multiple sites with Apache. Choose the “Global Configuration” tab, and go to “Edit Config Files”. Like all Apache modules, the initial configuration is controlled with Apache's configuration file(s), but one of the primary options there (normally implicit/defaulted) is to point the module at the overall SP configuration file (shibboleth2. To disable a module, use,. Find the string "#LoadModule rewrite_module modules/mod_rewrite" in httpd. Apache Hadoop. Use airflow to author workflows as directed acyclic graphs (DAGs) of tasks. (2 replies) hi all just a query in previous versions of apache the configure options enable-modules=most and enable-shared=max used to enable most modules and set shared for all modules i have tried these options with apache 2. WebDAV can be enabled in Apache. While these modules can be compiled into the server itself, on most systems they are installed separately as shared libraries. On Windows, the module was tested with Apache HTTP Server installed from the Chocolatey repository. This Wiki page is intended to give practical hands on experience how to package modules and web applications in Debian. Note: The location of the configuration file is dependent both on the Linux distribution on which PageSpeed is installed and on whether you're using PageSpeed with Apache or Nginx. For a Linux system administrator, it is important to monitor and debug Apache performance problems. Note: Be sure to reload Apache after each module change for your cloud server's IP address to reflect any changes that you have made. htaccess for Apache 2. Apache 2 has a nice feature to allow a server admin to view the performance of Apache. 26 users can use the configuration directive H2MaxWorkers 1 to go back to the single-threaded execution model of previous httpd version. In this tutorial, we'll learn how to setup and enable mod_rewrite in Apache on Ubuntu 14. Some of the modules for apache will be installed as default. xml) A module may or may not contain a module implementation class since the module can also be a collection of handlers. 04 2019-08-24T12:09:08+00:00 Featured , Tutorials 9 Comments In this tutorial, you will learn how to upgrade and configure Apache for HTTP/2 on Ubuntu 16. --enable-ssl will build Apache with SSL support, so you can enable HTTPS on your websites. XAMPP is an easy to install Apache distribution containing MariaDB, PHP, and Perl. This involves installing and configuring the PHP engine, a MySQL database, an Apache web server, and the XDebug debugger. This feature impacts both HTTP Dynamic Streaming and HTTP Live Streaming. It's time to go a little old-school and lay out how to enable the Common. That is fine with me, but for the. Step 1: Check if the module exists Before enabling the module mod_rewrite, we need to check if the module is already loaded in the httpd file. Apache modules list can be found from terminal. The result is called EAPI (Extended Application Programming Interface). However, enabling modules directly in the config file is a practical approach if you have upgraded from a previous version of Filebeat and don't want to move your module configs to the modules. Installing and Enabling HTTP/2 in Apache. Warning: During this process cPanel rebuilds Apache and PHP with the options selected. In Plesk, go to Tools & Settings > Apache Web Server. conf file as directives into the main server context of apache2. Enable apache2 php5 module: # a2enmod php5 Restart Apache: # service apache2 restart PHP as CGI. Please report any problems you encounter with the modules at the Apache Haus forum. IIS on Windows, Nginx on Linux, MacOS) but the Apache HTTP Server is very popular on all platforms. As the option states, it is experimental. When mod_status module is enabled an HTML page will be presented to allow stats to be presented in a readable format in which refresh can be set. But for ASP. Retrieve the underlying connection using the javax. Enable PHP Modules. To disable a module, the a2dismod command is used. Apache Struts is a free, open-source, MVC framework for creating elegant, modern Java web applications. Click the name of the Apache or PHP module, and then click Save and build. How to enable HTTP/2 support in Apache Upgrade Apache. 04 LTS Server, the one provided by Amazon Aws or Microsoft Azure. Apache is implemented with the concept of modules. x Post by evarie » Wed Jun 15, 2011 8:43 pm I am crazy about searching al the time spending my evening. I looked at my code again and found that headers line is not wrapped in < If module >. htaccess file is a directory-level configuration file for Apache HTTP server, which allows one to override the web server's system-wide settings without modifying the global configuration file (e. This prevents the Apache web server from getting overloaded at certain times in a day. Apache Module mod_auth_pgsql PostgreSQL Authentication This module allows user authentication (and can log authethication requests) against information stored in a PostgreSQL database. The apache structure under debian based systems is actually really well made as it is really easy to activate or deactivate module. The Apache web server is a very popular web server among various Linux distributions.