The following is a collection of HTML documentation for modules and tools in the contrib/ directory of the ProFTPD source distribution.

The ftpasswd script
Used to easily create and manage AuthUserFiles and AuthGroupFiles

The ftpquota script
Used for creating and managing file-based tables for the mod_quotatab module
The ftpmail script
Used for automatically sending emails whenever a file is uploaded
The mod_auth_otp module
For supporting HOTP/TOTP One-Time Passwords (OTP) for multi-factor authentication, e.g. using Google Authenticator
The mod_ban module
For supporting automatic bans based on configurable thresholds
The mod_ctrls_admin module
Adds administrative controls actions for the ftpdctl program. Controls are covered in more detail in the Controls mini-HOWTO
The mod_deflate module
For supporting MODE Z compression of data transfers
The mod_digest module
For supporting FTP HASH commands for files
The mod_dnsbl module
For using DNS blacklists for access control
The mod_dynmasq module
For automatically refreshing IP addresses of dynamic DNS names
The mod_exec module
For executing external commands based on configurable criteria
The mod_geoip module
For looking up geographic information based on client IP address
The mod_ifsession module
For adding per-user/group/Class sections to your proftpd.conf file
The mod_ifversion module
For adding version-specific sections to your proftpd.conf file
The mod_load module
For configuring server availability based on system load
The mod_log_forensic module
For writing log messages only when configurable criteria are met
The mod_qos module
For configuring site-specific Quality of Service (QOS) packet values
The mod_quotatab module
Adds quota support for proftpd
The mod_quotatab_file module
This is one of the supporting modules for mod_quotatab which handles quota tables that are stored in specially formatted files on disk
The mod_quotatab_ldap module
This one of the supporting modules for mod_quotatab which handles reading quota limits from LDAP directories
The mod_quotatab_sql module
This is one of the supporting modules for mod_quotatab which handles quota tables that are stored in SQL databases
The mod_radius module
Provides support for authenticating users using the RADIUS protocol
The mod_readme module
Displays messages reminding users to read README files
The mod_rewrite module
Adds the ability to rewrite FTP commands sent by clients on-the-fly, using regular expression matching and substitution
The mod_sftp module
Supports SSH2 authentication, SFTP and SCP transfers
The mod_sftp_pam module
Supports SSH2 authentication via PAM
The mod_sftp_sql module
Supports storage/retrieval of authorized SSH keys using SQL databases
The mod_shaper module
Adds dynamic traffic shaping based on number of concurrent sessions and transfers
The mod_site_misc module
Adds support for miscellaneous SITE commands such as SITE MKDIR, SITE SYMLINK, and SITE UTIME

The mod_snmp module

Provides SNMPv2 monitoring capabilities.
The mod_sql module
Provides support for authenticating users using user information stored in SQL databases. Logging of various data into SQL tables is also supported.
The mod_sql_passwd module
Supports MD5, SHA1, SHA256, SHA512 encoded passwords in SQL databases
The mod_statcache module
Supports caching stat(2)/lstat(2) data in a shared location, for reuse across sessions/processes.
The mod_tls module
Adds the ability to encrypt the control and data connections using SSL/TLS
The mod_tls_memcache module
Provides SSL session caching, for faster SSL session negotiation, using a memcached servers for the shared cache
The mod_tls_redis module
Provides SSL session caching, for faster SSL session negotiation, using Redis
The mod_tls_shmcache module
Provides SSL session caching, for faster SSL session negotiation, using a shared memory cache
The mod_unique_id module
For generating a unique ID for every FTP session
The mod_wrap module
Supports using the /etc/hosts.allow and /etc/hosts.deny files, or other allow/deny files, for IP-based access control.
The mod_wrap2 module
Supports using the /etc/hosts.allow and /etc/hosts.deny files, or other allow/deny files, as well as SQL-based access rules, for IP-based access control.
The mod_wrap2_file module
This is one of the supporting modules for mod_wrap2 which handles access rules that are stored in specially formatted files on disk
The mod_wrap2_redis module
This is one of the supporting modules for mod_wrap2 which handles access rules that are stored in Redis lists/sets
The mod_wrap2_sql module
This is one of the supporting modules for mod_wrap2 which handles access rules that are stored in SQL database tables

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