3 ms·
In practice the Internet does not deliver IP packets. Only UDP or TCP is universally supported. Some firewalls, security appliances, filters, and proxies limit
by supertrope 3y ago
In practice the Internet does not deliver IP packets. Only UDP or TCP is universally supported. Some firewalls, security appliances, filters, and proxies limit end to end connectivity to just TCP 443. Everything over IP has turned into everything over HTTP.