How To Block Teamviewer Jun 2026

To completely block TeamViewer on a single computer or across an entire corporate network, you must . TeamViewer is notoriously difficult to block because it is designed to bypass standard firewalls by shifting from its primary port to default web-browsing ports (TCP 80 and TCP 443).

[Local Client] ----(Blocks TCP/UDP 5938)----> [Firewall] --X--> [TeamViewer Servers] How to block p2p how to block teamviewer

You can block TeamViewer by configuring your firewall settings. This method involves blocking the ports that TeamViewer uses. To completely block TeamViewer on a single computer

The most straightforward way to prevent TeamViewer from being used on a device is to uninstall it. how to block teamviewer

The simplest way to block TeamViewer is to uninstall it from your computer. To do this: