Dhcp Tftp _best_

packet += socket.inet_aton("0.0.0.0") # Client IP packet += socket.inet_aton(client_ip) # Your IP (Assigned IP) packet += socket.inet_aton("0.0.0.0") # Server IP packet += socket.inet_aton("0.0.0.0") # Gateway IP

# Check Message Type (Discover or Request) buried in Options (Magic Cookie + Options) # Magic Cookie starts at byte 236 (0x63, 0x82, 0x53, 0x63) options_start = 240 msg_type = self.parse_dhcp_options(data[options_start:], 53) # Option 53 is DHCP Msg Type dhcp tftp

The workflow follows a specific sequence of handshakes before the actual file transfer begins. packet += socket

On your DHCP server ( /etc/dhcp/dhcpd.conf ): dhcp tftp

Brands like Cisco and Polycom use DHCP to find a TFTP server that holds their latest firmware and specific line configurations.