今天在VPS上配置filezilla的时候,提示filezilla Failed to create listen socket on port 21 for IPv4,原来是因为21端口被占用了,换个端口就可以了windows server 2003 使用filezilla 时,安装好之后,点击“Active”可能会报下面的错Creating listen socket on port 21... Failed to create listen socket on port 21 for IPv4 Failed to create listen socket on port 21 for IPv6