Tag: networking
All the articles with the tag "networking".
HTTPS from the terminal: eleven checks with curl and openssl
Look at a real TLS 1.3 connection to Google, read its certificate chain, build a tiny certificate authority, break certificates on badssl.com and time every step of one request, using only curl, openssl and dig.
IPv4 and IPv6 on your own laptop: seven checks you can run
Seven small experiments with ping, dig, curl and Python: one address written four ways, the 1500 byte limit, the private ranges, why a laptop has six IPv6 addresses, and what happens when a site has no IPv6 at all.
