![]() ![]() For example: a guy give the static access code to a technician to install the home printer, this guy write down all the clients access codes to a txt file on his desktop. Team Viewer is a great app, but is so much insecure. Day by day there is more people that brings personal computers to the office so is more an more complicated to maintain the security. So if some app doent work you can diagnose if this rule is blocking it. Is recommended to log this blocked packages. The best way to block it is to add an IP range: for example for teamviewer are: 178.77.120.0/24. com some time the FW resolve this dns to the first IP of the dns server response, so if the domain respond with like 10 ips, will just block the first. Or imagine if some guy gain access to teamviewer's servers. ![]() You end with a guy with full access to a computers in your network heading to an infinite attacks. %uFEFFDay by day there is more people that brings personal computers to the office so is more an more complicated to maintain the security. ![]() The best way to block it is to add an IP range: for example for teamviewer are: 178.77.120.0/24. If you use a hostname for example Opens a new window some time the FW resolve this dns to the first IP of the dns server response, so if the domain respond with like 10 ips, will just block the first. And in some scenarios there is also mac clients. You need to go computer by computer installing it. The blocking app are complicated solution.
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