sniffer

Simple network sniffer wrote in C.

Implemented protocols

Ethernet Frame
- ARP
- IP4
  - ICMP
  - TCP
  - UDP
    - DHCP
- IP6
  - ICMP6

Compilation

git clone https://github.com/guzlewski/sniffer
cd sniffer
make

Usage

Sniffer needs root privileges to run.

./sniffer.out INTERFACE [options]
Available options:
        -a - ARP
        -d - DHCP
        -e - Ethernet Frame
        -i - ICMP
        -I - ICMP6
        -4 - IP4
        -6 - IP6
        -t - TCP
        -u - UDP
By default all options are enabled.

Example

sudo ./sniffer.out eth0 -e4t