:: Simple script to block an ip using netsh. Commands from http://windowsnerd.com/ @ECHO OFF ECHO. :: Logging it all FOR /F "TOKENS=1* DELIMS= " %%A IN ('DATE/T') DO SET DATE=%%B FOR /F "TOKENS=1* DELIMS= " %%A IN ('TIME/T') DO SET TIME=%%A ECHO %DATE% %TIME% %0 %1 %2 %3 %4 %5 %6 %7 %8 %9 >> active-response/active-responses.log IF "%1"=="add" GOTO ADD IF "%1"=="delete" GOTO DEL :ERROR ECHO "Invalid argument. %1" GOTO Exit; :: Adding to the blocked. :ADD :: Extracts last ip address from ipconfig. netsh ipsec static add policy description="ossec block list" netsh ipsec static add filter filterlist="ossecfilter" srcaddr=%3 dstaddr=me protocol=tcp mirrored=yes netsh ipsec static add rule policy="ossec" filterlist="ossecfilter" filteraction="block" desc="list of blocked ips" netsh ipsec static set policy assign=y GOTO Exit; :DEL netsh ipsec static delete filter filterlist="ossecfilter" srcaddr=%3 dstaddr=me protocol=tcp mirrored=yes :Exit