Networknet notebook

Command-line snippets

Commands worth keeping close. Each snippet explains the flags and when the command helps.

Command-line snippetNetworking

Listen on TCP/443 with netcat

How I used a Linux netcat listener on TCP/443 to test remote connectivity and validate a ZTNA policy.

Command-line snippetNetworking

Discover your public egress IP

How I use curl over IPv4 and IPv6 to check the public address visible to a service through NAT, proxies or VPNs.