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1 Firewall is the no. 1 firewall system for your Windows computer, that can monitor your network activity, block and alert you about unathorized publishers, protect your privacy! 1Firewall lets you be in control of everything happening in your network. You can view a logging activity list, and can decide for yourself if you want to deny access to a certain user, by filtering them according to a defined user access rule. 1 Firewall prevents harmful applications from installing on your computer's disk, by denying unauthorized publishers to use your PC. Any attempt to load, download or install a program or file is checked and asked for permission. 1Firewall protects your personal files and folders against exploits, Trojans and backdoors, using a low level network traffic filter. It also gives you the possibility of controlling the length of the bandwidth allowed for an application.