for those who enjoy testing/playing with various operating systems and use Sun VirtualBox along the way to perform all that fun..
here, tested and proven rule set..

Sun VirtualBox rules preset:

DNS Connection:
UDP --> Outbound to 208.67.222.222, 208.67.220.220 --> Remote Port: 53 --> Rule: ALLOW
HTTP Connection:
TCP --> Outbound --> Remote Ports: 80, 81, 82, 83, 85, 88, 90 --> Rule: ALLOW
HTTPS Connection:
TCP --> Outbound --> Remote Port: 443 --> Rule: ALLOW
Proxy Connection:
TCP --> Outbound --> Remote Ports: 3128, 8080, 8081, 8088, 8888 --> Rule: ALLOW
FTP Connection:
TCP --> Outbound --> Remote Port: 21 --> Rule: ALLOW --> Rule Option: Activate Stateful Inspection
Send Mail:
TCP --> Outbound --> Remote Ports: 25, 587 --> Rule: ALLOW
Receive Mail:
TCP --> Outbound --> Remote Ports: 110, 995 --> Rule: ALLOW
Read News:
TCP --> Outbound --> Remote Port: 119 --> Rule: ALLOW
SSH Connection:
TCP --> Outbound --> Remote Port: 22 --> Rule: ALLOW
Time Synchronization:
UDP --> Outbound --> Remote Port: 123 --> Rule: ALLOW
IRC Connection:
TCP --> Outbound --> Remote Ports: 6667, 6668 --> Rule: ALLOW
RSync Connection:
TCP --> Outbound --> Remote Port: 873 --> Rule: ALLOW
Block Other Traffic (TCP):
TCP --> Rule: BLOCK
Block Other Traffic (UDP):
UDP --> Rule: BLOCK
enjoy