4 ms·
Port numbers used to be all odd (server side) due to a limitation in TCP’s predecessor. Sockets used to be unidirectional so you’d need a pair for two-way commu
by gruturo 6y ago
Port numbers used to be all odd (server side) due to a limitation in TCP’s predecessor. Sockets used to be unidirectional so you’d need a pair for two-way communication.
It was discussed here on HN not too long ago: https://news.ycombinator.com/item?id=21350246 https://news.ycombinator.com/item?id=21350246