network
The Illustrated TLS Connection: Every Byte Explained
https://tls.ulfheim.net/
Spiegazione, byte per byte, di come si instaura una connessiont TLS
BGP.Tools
https://bgp.tools/
Strumento per analizzare le connettività di rete a livello di grandi network, ASN etc.
Angry IP scanner - program for analyzing networks
https://angryip.org/
Very fast and small ip scanner, port scanner, and network scanner in one, helpful for analyzing networks and scanning ports