tcp syn flood

  1. K

    simulate syn flood attack

    Hi, I have a userland software with FreeBSD TCP/IP stack. I want to simulate SYN Flooding attack on it. and I using hping and tcpdump tools but it seems like it doesn't work and it drops none of the packets! I have no idea what is wrong? something i missed? Thanks in advance!
  2. Irah

    PF Porting SYN cookies implementation to PF module of FreeBSD

    I've been using the PF module for NATing/firewalling purposes (8 cores, 16 GB RAM hardware), it seems to be doing good under normal traffic. But during TCP SYN floods it suffers a lot. I want the SYNPROXY feature to get enabled dynamically as the traffic increases for that particular rule (based...