December 27, 2023

Protect Your Reto - How to prevent Finger Injection Attack

Protect Your Reto A way to prevent a Finger Injection attacks from security researcher Abu_c_ta_i Dependencies FreeBSD IPFW User interface for firewall, traffic shaper, packet scheduler, in-kernel NAT. #!/bin/sh # Faioli a.k.a: 0xttfx. # An implementation of Protect Your Reto to prevent Finger Injection Attack # from security researcher @Abu_C_tai cu=/dev/OrificioRugosoInfraLombar cmd=/sbin/ipfw -q add deny="deny log logamount 1000" ${cmd} ${deny} tcp from any to any tcpflags syn,fin ${cmd} ${deny} tcp from any to any tcpflags urg,psh ${cmd} ${deny} tcp from any to any tcpflags fin,!