Plesk Firewall Port Numbers

Default TCP Port Numbers

Port Direction Description
20 in / out FTP data transfer
21 in / out FTP control
22 in / out Secure shell (SSH)
25 in / out Simple mail transfer protocol (SMTP)
53 in / out Domain name system (DNS)
80 in / out Hypertext transfer protocol (HTTP)
110 in / out Post office protocol v3 (POP3)
113 out Authentication service/identification protocol (IDENT)
143 in / out Internet message access protocol (IMAP)
443 in / out Hypertext transfer protocol over SSL/TLS (HTTPS)
465 in / out Simple mail transfer protocol overl SSL (SMTPS)
587 in / out E-mail message submission (SMTP)
993 in / out Internet message access protocol over SSL (IMAPS)
995 in / out Post office protocol 3 over TLS/SSL (POP3S)
2703 out Spamassassin Razor2
5224 out Plesk license check
8443 in / out Plesk administrative interface (HTTPS)
8447 in / out Parallels Products Installer
8880 in / out Plesk administrative interface (HTTP)
30000:35000 in FTP passive port range (When configured)

Default UDP Port Numbers

Port Direction Description
20 in / out FTP data transfer
21 in / out FTP control
53 in / out Domain name system (DNS)
113 out Authentication service/identification protocol
123 out Network Time Protocol
873 out Rsync
123 out Network time protocol (NTP)
6277 out Spamassassin DCC
24441 in / out Spamassassin Pyzor
33434:33523 out Traceroute

Optional TCP Port Numbers

Port Direction Description
139 in / out Samba
445 in / out Samba
3306 in / out MySQL
5432 in / out Postgres
9008 in / out Tomcat administrative interface
9080 in / out Tomcat
11443 in / out Parallels Single Sign-On
12443 in / out Parallels Customer and Business Manager payment gateways

Optional UDP Port Numbers

Port Direction Description
137:138 in / out Samba
1194 in / out Plesk VPN

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