Configure ports for sharing

Configure the ports of Firewall or security software to allow sharing

If you can't access a networking computer or can see it but access, it may be the firewall or the security software block the sharing ports as listed below, especially third-party firewall.

For accessing Vista, you need have these ports open.

•	UDP 3702
•	TCP 5357
•	TCP 5358

For accessing Vista and XP, you need have these ports open.

•	UDP 137
•	UDP 138
•	TCP 139
•	TCP 445

For access network devices, you must allow the following incoming traffic:

•	UDP 1900
•	TCP 2869