Firewall Ports to leave open

Service name                                     Ports used by service 

Plesk administrative interface                   TCP 8443
Samba (file sharing on Windows networks)         UDP 137, UDP 138, TCP 139, TCP 445 
Plesk VPN                                        UDP 1194
WWW server                                       TCP 80, TCP 443 
FTP server                                       TCP 21 
SSH (secure shell) server                        TCP 22 
SMTP (mail sending) server                       TCP 25, TCP 465 
POP3 (mail retrieval) server                     TCP 110, TCP 995
IMAP (mail retrieval) server                     TCP 143, TCP 993
Mail password change service                     TCP 106
MySQL server                                     TCP 3306 
PostgreSQL server                                TCP 5432 
Tomcat administrative interface                  TCP 9008, TCP 9080
Domain name server                               UDP 53, TCP 53 
Ping service                                     <ICMP echo request>

5224 also for Licensing..