There are a few areas where we can improve the security of the network. They are around the firewall, reducing the traffic that arrives at the SBS 2008 server, and the security certificate that is used to secure and identify the server communications.
I did mention the SBS 2003 firewall ports in Chapter 3, but SBS 2008 uses a different collection of network ports to achieve its connectivity. You will need the following ports configured on your firewall to direct traffic to SBS 2008:
Port |
Usage |
---|---|
25 |
Email coming into the server |
80 |
Used to direct traffic to 443 (optional) |
443 |
Secure web traffic, such as Remote Web Workplace and mobile services for phones |
587 |
Secure SMTP (optional), if you have secure SMTP relay enabled, such as for IMAP, then this port is used |
987 |
Secure access to the Windows SharePoint Services site |
993 |
Secure IMAP (optional) |
1723 |
VPN Access (optional) |
3389 |
Remote Desktop (optional), as this can be... |