Trivia: Special ways of writing IP and domain names
原文英文，约800词，阅读约需3分钟。发表于：。X user plantegg, while testing MySQL connection issues, used IP 127.1, which piqued the interest of some netizens. When I first learned of this, I also doubted the legitimacy of my computer networking course. Thus, I've compiled some obscure knowledge akin to the "four ways to write the character 'hui'." Dear readers, remember! These facts are worth remembering. They'll come in handy when you work as a network administrator and need to write rules. (Earnest face)
本文介绍了IPv4和域名的知识，包括IPv4中的零值省略和域名中的点省略。还讨论了最短的IPv4地址和URL，以及国际化域名中相似字符的使用。
