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<!DOCTYPE html> <html> <head> <title>ProFTPD Modules</title> </head> <body bgcolor=white> <hr> <center><h2><b>ProFTPD Modules</b></h2></center> <hr> <p> <b>Modules</b> ProFTPD uses APIs and a build system capable of including plugins, or <em>modules</em>, to enable new functionality or to enhance existing behavior. <p> <b>Default Modules</b> The following modules are <i>always</i> included in a ProFTPD build. The source code for these modules resides in the <code>modules/</code> directory. <p> <table border= summary="Default Modules"> <tr> <td><b> Module </b></td> <td><b> Description </b></td> </tr> <tr> <td> <code>mod_auth</code> </td> <td> Implements FTP authentication commands: <code>USER</code>, <code>PASS</code>, <code>ACCT</code>, <code>REIN</code> </td> </tr> <tr> <td> <code>mod_auth_file</code> </td> <td> Implements file-based authentication </td> </tr> <tr> <td> <code>mod_auth_unix</code> </td> <td> Implements traditional Unix-based authentication </td> </tr> <tr> <td> <code>mod_core</code> </td> <td> Implements most of the main FTP commands </td> </tr> <tr> <td> <code>mod_delay</code> </td> <td> Implements algorithms to protect against information leaks via timing attacks </td> </tr> <tr> <td> <code>mod_facts</code> </td> <td> Implements modern FTP commands for directory listing </td> </tr> <tr> <td> <code>mod_log</code> </td> <td> Implements main ProFTPD logging </td> </tr> <tr> <td> <code>mod_ls</code> </td> <td> Implements legacy FTP commands for directory listing </td> </tr> <tr> <td> <code>mod_site</code> </td> <td> Implements FTP <code>SITE</code> commands </td> </tr> <tr> <td> <code>mod_xfer</code> </td> <td> Implements FTP file transfer commands: <code>STOR</code>, <code>RETR</code>, <code>APPE</code>, <code>REST</code>, <code>ABOR</code>, <code>TYPE</code>, <code>STRU</code>, <code>MODE</code>, <code>ALLO</code>, <code>SMNT</code>, <code>STOU</code> </td> </tr> </table> <p> <b>Conditional Modules</b> These modules will be automatically included by the build system, <i>if</i> it detects OS/platform support for them: <p> <table border= summary="Conditional Modules"> <tr> <td><b> Module </b></td> <td><b> Description </b></td> </tr> <tr> <td> <code>mod_auth_pam</code> </td> <td> Interfaces with the PAM library; see the <a href="./Authentication.html">authentication howto</a> for details </td> </tr> <tr> <td> <code>mod_cap</code> </td> <td> Interfaces with Linux capabilities; see the <a href="../modules/mod_cap.html">module docs</a> for more information </td> </tr> </table> <p> <b>Special Modules</b> Some modules require <em>special</em> build system support, and thus will be included in the build only when requested using special command-line options to the <code>configure</code> command: <p> <table border= summary="Special Modules"> <tr> <td><b> Module </b></td> <td><b> Configure Option </b></td> <td><b> Description </b></td> </tr> <tr> <td> <code>mod_ctrls</code> </td> <td> <code>--enable-ctrls </td> <td> Enables <a href="./Controls.html">Controls</a> functionality </td> </tr> <tr> <td> <code>mod_dso</code> </td> <td> <code>--enable-dso </td> <td> Enables <a href="./DSO.html">dynamically loadable module</a> functionality </td> </tr> <tr> <td> <code>mod_facl</code> </td> <td> <code>--enable-facl </td> <td> Enables support for POSIX filesystem ACLs; see the <a href="../modules/mod_facl.html">module docs</a> for more information </td> </tr> <tr> <td> <code>mod_lang</code> </td> <td> <code>--enable-nls </td> <td> Enables Natural Language System (NLS) support; see the <a href="../modules/mod_lang.html">module docs</a> for details </td> </tr> <tr> <td> <code>mod_memcache</code> </td> <td> <code>--enable-memcache </td> <td> Enables Memcache support; see the <a href="../modules/mod_memcache.html">module docs</a> for details </td> </tr> <tr> <td> <code>mod_redis</code> </td> <td> <code>--enable-redis </td> <td> Enables Redis support; see the <a href="../modules/mod_redis.html">module docs</a> for details </td> </tr> </table> <p> <b>Contributed Modules</b> And finally, there are the <em>contributed</em> modules. These are modules that were contributed to the ProFTPD Project over the years, developed by the ProFTPD community at large for their various use cases. Many of these became so popular with the community that the ProFTPD Project decided to include (or "bundle") these contributed modules as part of the source distribution, to help ensure that these popular modules would continue to be maintained alongside the core engine code. The source code for these modules resides in the <code>contrib/</code> directory. <p> <table border= summary="Contrib Modules"> <tr> <td><b> Module </b></td> <td><b> Description </b></td> </tr> <tr> <td> <code>mod_ban</code> </td> <td> Supports dynamic blocklisting of clients; see <a href="../contrib/mod_ban.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_ctrls_admin</code> </td> <td> Common <code>ftpdctl</code> actions; see <a href="../contrib/mod_ctrls_admin.html">module doc</a> for more info </td> </tr> <tr> <td> <code>mod_dynmasq</code> </td> <td> Automatically update configuration for DynDNS-using servers; see <a href="../contrib/mod_dynmasq.html">module doc</a> to learn more </td> </tr> <tr> <td> <code>mod_exec</code> </td> <td> Execute scripts based on session events; see <a href="../contrib/mod_exec.html">module doc</a> to learn more </td> </tr> <tr> <td> <code>mod_geoip</code> </td> <td> Supports blocking clients by geo information; see <a href="../contrib/mod_geoip.html">module doc</a> for info </td> </tr> <tr> <td> <code>mod_ifsession</code> </td> <td> Conditional configurations applied per-user/group/class; see <a href="../contrib/mod_ifsession.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_ldap</code> </td> <td> Support authentication using LDAP; see <a href="../contrib/mod_ldap.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_log_forensic</code> </td> <td> Log details only under specific criteria; see <a href="../contrib/mod_log_forensic.html">module doc</a> to learn more </td> </tr> <tr> <td> <code>mod_geoip</code> </td> <td> Reject clients if the system load is too high; see <a href="../contrib/mod_load.html">module doc</a> for info </td> </tr> <tr> <td> <code>mod_qos</code> </td> <td> Set TCP Quality Of Service (TCP) bits; see <a href="../contrib/mod_qos.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_quotatab</code> </td> <td> User/group/class-specific quotas; see <a href="../contrib/mod_quotatab.html">module doc</a> for more information </td> </tr> <tr> <td> <code>mod_radius</code> </td> <td> Support authentication using RADIUS; see <a href="../contrib/mod_radius.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_ratio</code> </td> <td> Per-user upload/download ratios; see <a href="../contrib/mod_ratio.html">module doc</a> </td> </tr> <tr> <td> <code>mod_readme</code> </td> <td> Display "readme" files to clients; see <a href="../contrib/mod_readme.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_rewrite</code> </td> <td> Dynamically rewrite commands on-the-flly; see <a href="../howto/Rewrite.html">howto doc</a> for details </td> </tr> <tr> <td> <code>mod_sftp</code> </td> <td> Implements SFTP; see <a href="../contrib/mod_sftp.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_sftp_pam</code> </td> <td> Implements SSH and PAM authentication; see <a href="../contrib/mod_sftp_pam.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_sftp_sql</code> </td> <td> Retreive SSH public keys from SQL databases; see <a href="../contrib/mod_sftp_pam.html">module doc</a> for info </td> </tr> <tr> <td> <code>mod_shaper</code> </td> <td> Throttling of data transfers across the entire server; see <a href="../contrib/mod_shaper.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_site_misc</code> </td> <td> Miscellaneous <code>SITE</code> commands; see <a href="../contrib/mod_ctrls_admin.html">module doc</a> to learn more </td> </tr> <tr> <td> <code>mod_sql</code> </td> <td> Support authentication using SQL databases; see <a href="../howto/SQL.html">howto doc</a> for instructions </td> </tr> <tr> <td> <code>mod_tls</code> </td> <td> Implements FTP over TLS (FTPS); see <a href="../contrib/mod_tls.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_tls_fscache</code> </td> <td> Enable TLS caching via filesystem; see <a href="../contrib/mod_tls_fscache.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_tls_memcache</code> </td> <td> Enable TLS caching via Memcache; see <a href="../contrib/mod_tls_memcache.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_tls_redis</code> </td> <td> Enable TLS caching via Redis; see <a href="../contrib/mod_tls_redis.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_tls_shmcache</code> </td> <td> Enable TLS caching via Shared Memory; see <a href="../contrib/mod_tls_shmcache.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_unique_id</code> </td> <td> Generate a guaranteed unique ID for each session; see <a href="../contrib/mod_unique_id.html">module doc</a> for more </td> </tr> <tr> <td> <code>mod_wrap</code> </td> <td> Use popular <code>tcp_wrappers</code> for client ACLs; see <a href="../contrib/mod_wrap.html">module doc</a> for details </td> </tr> <tr> <td> <code>mod_wrap2</code> </td> <td> Enhanced support for client ACLs; see <a href="../contrib/mod_wrap2.html">module doc</a> for details </td> </tr> </table> <p> <b>Third-Party Modules</b> As mentioned above, ProFTPD's APIs and build system support modules, even those that are not included as part of the project source distribution. You will find ProFTPD modules, in source form, in various other sites and projects around the Internet. This is precisely why ProFTPD allows for such plugins; the ProFTPD Project wants to support and encourage the community at large to develop for their needs, and to enable development and creativity!