Question
Which ports should be opened in the firewall on a Plesk server?
Answer
The list of ports that need to be opened in the firewall depend on the services that are running on a Plesk server.
Plesk interface uses port 8443 for HTTPS connections and 8880 for HTTP connections.
Other ports that are used by Plesk and related services:
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20 – ftp-data (TCP)
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21 – ftp (TCP)
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22 – ssh (TCP)
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25 – smtp (TCP)
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53 – dns (TCP and UDP)
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80 – http (Web server and Plesk updater) (TCP)
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106 – poppassd (for localhost only) (TCP)
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110 – pop3 (TCP)
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113 – auth (TCP)
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143 – imap (TCP)
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443 – https (TCP)
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465 – smtps (TCP)
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587 – mail message submission (TCP)
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953 – rndc (TCP)
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990 – ftps (TCP)
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993 – imaps (TCP)
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995 – pop3s (TCP)
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1433 – mssql (TCP) – Windows Only
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3306 – mysql (TCP)
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3389 – rdp (TCP) – Windows Only
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5224 – (outgoing connections only) plesk-license-update (TCP)
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5432 – postgres (TCP) – Linux Only
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8401 – sqladmin (TCP) – Windows Only
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8443 – plesk-https (TCP)
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8447 – autoinstaller (TCP)
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8880 – plesk-http (TCP)
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12768 – psa-pc-remote (for localhost only) (TCP) – Linux only, Postfix
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135, 139, 445 – (TCP) ports for migration – Windows Only
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137, 138 – (UPD) ports for migration – Windows Only
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10155 – (TCP) for a custom Plesk Migrator service performing miscellaneous tasks – Windows Only
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10156 – (TCP) for rsync server (migration) – Windows Only
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49152-65535 – (TCP) for passive mode (incoming connections only)
