How To Block — Teamviewer

There are several third-party tools available that can help block TeamViewer, such as:

However, determined users or sophisticated malware may try to rename the executable. Therefore, network-level controls are essential. A next-generation firewall (NGFW) can perform to identify TeamViewer’s unique handshake and traffic patterns, even if it uses default port 443 (HTTPS) to blend in with web traffic. Administrators can create rules to block traffic to and from TeamViewer’s known IP address ranges (which are publicly documented) and its gateway servers. A simpler, though less complete, method is DNS sinkholing : blocking resolutions for domains like *.teamviewer.com , *.tvcdn.com , and *.teamviewerms.com . While effective against casual use, encrypted DNS (DoH) or hardcoded IPs can circumvent this. how to block teamviewer

Fortunately, blocking TeamViewer is relatively straightforward. Here are a few methods to prevent TeamViewer from running on your computer: There are several third-party tools available that can