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Windows Server Update Services (WSUS) is a Windows-based software distribution and management platform. It enables administrators to deploy updates from a central location to computers in their organization.

WSUS can be used to deploy updates for multiple versions of Windows, as well as for other software.

WSUS can be configured to use a variety of update distribution methods. The most common methods are using mirroring and using Microsoft Update.

WSUS can also use Microsoft Update to get updates from a network location.

WSUS can be used to get updates from Microsoft Update, a network location, or a set of Windows Update servers. WSUS can also use a distribution point to get updates from a remote update server.

WSUS can use a variety of ports to get updates. The most common ports are 80 and 443.

WSUS can also use a port to get updates from a network location.

The following ports need to be open for WSUS:

Port 80: WSUS uses this port to get updates from Microsoft Update.

Port 443: WSUS uses this port to get updates from a network location.

Ports 443 and 80 are the most important ports for WSUS. By opening these ports, WSUS can get updates from Microsoft Update and from a network location.