
PeerGuardian
PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P.
Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.
features: simple interface without annoying pop ups dropped packets logging (windows 7 and above) internal blocklist (block windows spy / telemetry) custom blocklist (your own rules) free and open source localization support ipv4/ipv6 support
you can download either the installer or portable version. for correct working, need administrator rights.
to activate portable mode, create "simplewall.ini" in application folder, or move it from "%appdata%\henry++\simplewall".
Portable Lightweight Outbound firewall
portable lightweight firewall security-utilities privacy-security