ft_ping

Prerequisites

• Vagrant
• Virtual Box

Usage

Virtual Machine

# Start the Virtual Machine
make vm.up
# Connect through SSH
make vm.ssh
# Open wireshark with X11 forwarding
wireshark

You can log in as root:vagrant

ft_ping

make
sudo ./ft_ping [OPTIONS...] HOST

Options:
  -v, --verbose    print verbose messages
  -?, --help       display this help and exit
      --ttl=NUM    set time-to-live for the cache (<= 255)

Sources

• How to: Calculate ICMP Packet checksum (page 6)