SafeShot is preventing team damage to allied tanks. This mod offers you a nice interface and the option to configure it ingame. See Screenshot 3.
Download the archive and extract it to your World of Tanks directory. If wished change ingame the settings.
3Repacked for WoT 22.214.171.124
2Bug Fix and Update for WoT 126.96.36.199
1First Release for WoT 1.0.0