1、服务器防火墙限制了随机端口。你可以关闭防火墙
2、或者变通
http://www.foxtable.com/bbs/dispbbs.asp?BoardID=2&ID=81564&skin=0
http://www.foxtable.com/bbs/dispbbs.asp?BoardID=2&ID=81583&skin=0