simple network sniffer

Simple network sniffer;

• It captures layer 3 - layer 4 traffic and provides a summary (protocol, ports, icmp types/codes, etc,)
• It optionally provides layer 2 and layer 5 (applicastion layer) info.
• It supports both IPv4 and IPv6 (including IPv6 Extension headers)

Requirements

• Python 3
• ipaddress python module

Parameters

1. positional arguments: interface The network interface to use for scanning

2. options:

• -h, --help show this help message and exit
• -w WRITE, --write WRITE The file to write the captured traffic
• -t TIMEOUT, --timeout TIMEOUT The timeout (in sec) to sniff
• -l2, --layer2 Print also Layer 2 information
• -l5, --layer5 Layer 5 information will be saved in a file (must be combined with -w option). Layer 5 info is not "printed" in tty for brevity reasons
• -4, --IPv4 IPv4 only (default: both)
• -6, --IPv6 IPv6 only (default: both)