ip +端口组合中的端口号是多少？

Question

Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls reports
227 Entering Passive Mode (153,18,17,11,238,169)
150 Here comes the directory listing.
Entering Passive Mode (153,18,17,11,238,169)

这里解码的端口号是61097.它的巨大!!这是对的吗？

Answer 1

是的，最后两位是端口号，所以十六进制238是EE，十六进制169是A9。

EEA9 = 61097十进制

IANA允许端口号最高为65535