Ports need to be opened for Plesk services
Generally it depends on what services are running on the server. All the default ports which can be used by Plesk/services are listed below:
#20 ftp-data
#21 ftp
#22 ssh
#25 smtp
#53 dns (TCP and UDP)
#80 http (web server and Plesk updater)
#106 poppassd (for localhost only)
#110 pop3
#113 auth
#143 imap
#443 https
#465 smtps
#587 mail message submission
#990 ftps
#993 imaps
#995 pop3s
#3306 mysql
#5224 (outgoing connections only) plesk-license-update
#5432 postgres
#8443 plesk-https
#8880 plesk-http
#9080 tomcat
If required you can always reset your default firewall settings via the AccountCenter.
Reference: http://parallels.com/
Restarting services in Plesk
If a service, such as Apache, has stopped you may need to restart the service.
The following guide shows you how to start/stop/restart system services from within Plesk.
From Plesk Services Management
1. Login to Plesk.
2. Click on Server.
3. Click on Service Management.
Now you can start|stop|restart the service of your choice.
From Virtuozzo System Services
1. Login to Plesk.
2. Click on Virtuozzo.
3. Click on System Services.
4. Now you can start|restart|stop the service of your choice. You can also enable the Autostart feature.
IP aliases disappears after network services is restarted in Ensim
If networks service has been restarted server looses the IP aliases set by ensim.
To get all IP aliases back restart virtualhosting service.
# service virtualhosting restart
Setting Up and Starting Watchdog Services in Plesk
To configure Watchdog settings common for all services:
Click the Modules shortcut in the navigation panel > Watchdog. A list of Parallels Plesk Panel services will be displayed.
Click the Preferences icon in the Tools group.
Monitor all services started by administrator. Leave this option selected if you wish the module to monitor all the Parallels Plesk Panel services that you start. If you install a new system service later on, the module will automatically start looking after it. Deselect this check box, if you are going to shut down some of the Parallels Plesk Panel services and you do not want the module to bring them up automatically or bother you with any alert messages.
Polling interval. Specify the interval between service status queries in seconds.
Store resource usage statistics. Leave this option selected if you wish the system to keep reports on CPU and RAM usage for the amount of time you specify.
Repeat security scanning. Specify how often Watchdog should scan the server for malicious code.
Send reports. Specify how often Watchdog should send you consolidated reports on CPU and RAM load, monitored services, disk space partitions and security scanning results.
Send e-mail to. Specify the e-mail address where Watchdog should deliver alerts and reports. By default, the Parallels Plesk Panel administrator’s e-mail address is used.
Send e-mail from. E-mail address on behalf of which the reports and alerts should be sent. By default, this e-mail address is watchdog@your-host-name.
Finally Click Apply to submit the settings.
Source: http://parallels.com/Plesk/
Managing Access to System Services in Plesk
For each system service, you can choose whether to allow or deny all incoming communications, or allow only communications coming from specific IP/network addresses.
To allow or restrict access to a service on your Parallels Plesk Panel server:
1. Go to Modules > Firewall > Edit Firewall Configuration.
2. Click the service name.
3. Do any of the following:
* To allow all incoming connections, select the Allow option and click OK.
* To deny all incoming connections, select the Deny option and click OK.
* To deny access to a service from specific IP/network addresses, select the Allow from selected sources, deny from others option, specify the IP address or network address from which access to the selected service is allowed, and click Add. After you specify the required addresses, click OK.
4. To apply all changes to the firewall configuration, click Activate, and then click Activate again.
Source : http://parallels.com/
