Service Manager in WHM
This interface lists your server’s services, and allows you to enable and monitor them.
- Select the appropriate Enabled checkbox to enable a service.
- Select the appropriate Monitor checkbox to monitor a service via the cPanel Interface.
- To monitor a service, you must first enable it.
tailwatchd (TailWatch Drivers)
|ChkServd||This driver monitors the services that you configure in the Service Manager interface.|
|Eximstats||This driver tracks Exim mail statistics. The Eximstats driver maintains the email bandwidth logs, limits email usage, and populates data for the Mail Delivery Reports system.|
|JailManager||This driver manages the jailshells that the EXPERIMENTAL: Jail Apache Virtual Hosts using mod_ruid2 and cPanel® jailshell option in WHM’s Tweak Settings interface (Home >> Server Configuration >> Tweak Settings) uses. The JailManager driver updates each user’s jailshell with the |
If the EXPERIMENTAL: Jail Apache Virtual Hosts using mod_ruid2 and cPanel® jailshell option is disabled, the system disables the JailManager option.
|MailHealth||This driver monitors the mail log for problems with Dovecot mail services.|
|ModSecLog||This driver parses the ModSecurity™ audit log and stores the information in the |
|RecentAuthedMailIpTracker||This driver tracks the IP addresses for recently-authenticated IMAP and POP3 sessions.|
|cPBandwd||This driver generates the bandwidth logs for the IMAP and POP3 mail services.|
The server’s installed services determine which daemons this interface displays.
|PHP-FPM service for Apache||In cPanel & WHM version 60, we added the ability to monitor Apache’s PHP-FPM implementation. This daemon improves the performance of EasyApache 4’s PHP-based internal applications.|
This option is only available on systems that use EasyApache4.
|PHP-FPM service for cPanel Daemons||In cPanel & WHM version 54, we added the PHP-FPM implementation to the |
This service logs errors and unusually slow script performance in the following locations:
This service will accelerate a maximum of 10 concurrent processes per user.
|cPanel DAV Daemon||This daemon enables a set of HTTP extensions that allow users to manage their websites remotely. Leave this daemon active if you plan to host other people’s websites on your web server.|
|cPanel Greylisting Daemon||This daemon manages Greylisting, a service that protects your server against spam from sources that your server does not recognize.|
|cPHulk Daemon||This daemon manages cPHulk Brute Force Protection.|
|Cron Daemon||The |
|cPanel DNS Admin Cache|
|Exim Mail Server||The SMTP mail server daemon is the part of your mail server that sends and receives mail. We recommend that you monitor and enable this feature for most servers.|
If you disable this service, the following options do not appear in the Mail section of WHM’s Tweak Settings interface (Home >> Server Configuration >> Tweak Settings):
|Exim Mail Server (on another port)||By default, Exim listens to the following ports:|
This option allows you to configure Exim to listen to an additional port.
In the text box, enter the additional port number on which you wish to allow Exim to run.
|FTP Server||The FTP server daemon runs your FTP server. Enable this feature if you plan to host other people’s websites on your web server.|
We strongly recommend that you monitor this feature.
|Apache Web Server||The Apache web server daemon handles HTTP requests from visitors. Enable this feature to host websites with your web server.|
|IMAP Server||The IMAP daemon for Dovecot handles how your users download their mail.|
We strongly recommend that you monitor this daemon.
|IP Aliases||This feature allows you to add more than one IP address to your network adapter. Use this configuration to run multiple connections on a single network, where each connection serves an additional purpose.|
|LMTP Server||The Local Mail Transport Protocol (LMTP) server allows Exim to connect to the Dovecot mail server.|
|Mailman||The Mailman mailing list manager allows your users to create a single email address to send mail to multiple email addresses.|
|MySQL Server||The MySQL® database server handles database queries. If you plan to host any content management systems or applications that require a database, enable this feature or the|
We recommend that you monitor this daemon. The system does not monitor this daemon by default.
|DNS Server||The Berkeley Internet Name Domain (BIND), NSD, PowerDNS, or MyDNS daemon runs the nameservers.|
You should only enable this daemon if you wish to use your own nameservers.
|Name Service Cache Daemon||This daemon manages a cache for name service requests.|
We strongly recommend that you only enable this service on servers with at least 1,000 MB of available memory.
|Passive OS Fingerprinting Daemon||The Passive OS Fingerprinting daemon (|
|POP3 Server||The POP3 daemon handles how your users will download their mail.|
We strongly recommend that you monitor this daemon. The system does not monitor this daemon by default.
|PostgreSQL Server||The PostgreSQL® database server handles database queries. If you plan to host any content management systems or applications that require a database, enable this feature or the|
|Apache SpamAssassin™||The Apache SpamAssassin™ daemon attempts to filter spam messages. If you disable this daemon, make sure that you also disable it in WHM’s Tweak Settings interface (Home >> Server Configuration >> Tweak Settings).|
|SSH Daemon||The secure shell (SSH) daemon allows users to connect to your server in a terminal session via SSH.|
|rsyslog System Logger Daemon||The system log daemon monitors your web server and logs the system activity.|
We strongly recommend that you enable this daemon.