by default, RMI cannot go through firewalls, if you really wanna do this, you'll have to handwrite an SocketFactory class and install your handwritten class to RMI implementation, but I suggest you handwrite TCP(persistent TCP) to create HTTP tunneling
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货