udp
53 DNS
80 HTTP
21 FTP
8000 - 12000 FTP Passive Ports Range
3389 Remote Desktop Connection Port

tcp
25 SMTP
465 Secure SMTP
110 POP3
995 Secure POP3
143 IMAPI
993 Secure IMAP
119 NNTP
563 Secure NNTP
389 LDAP
636 Secure LDAP