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各位大侠，msn如何穿过防火墙？我这用不了新版的msn7.5阿，求救！操作系统winxp。

首先要容许程序访问网络
然后制定相应的规则，容许用哪个端口访问。
你可以参考一下下面的：
ALLOW DNS
UDP, Rem Port DNS, Allow

MSN CONNECT
TCP, Outbound, Rem Port 1863, Allow

MSN VOICE
TCP, Outbound, local port 6901, Allow

MSN VOICE
UDP, Rem Port 6901,7001, Allow

FILE TRANSFER
TCP, Outbound, Rem Port FTP,6891-6900, Allow

REMOTE ASSIST
TCP, Outbound, Rem Port RDP, Block

APP SHARE/WHITEBOARD
TCP, Outbound, Rem Port 1503, Allow

RTP
UDP, Local Port 5004-65535, Allow

ALLOW HTTP
TCP, Outbound, Rem Host 69.*.*.*, 64.*.*.*,66.*.*.*,207.46.*.*, Allow

BLOCK HTTP
TCP, Outbound, Rem Host (Your ISP's DNS server), and where rem port is HTTP, Block

LOGIN
TCP, Outbound, Rem Host loginnet.passport.com, and where Rem Port is HTTPS, Allow

VOICE
UDP, Rem Host 64.4.12.200, Rem Port 7001, Block

ALLOW UPDATE
TCP, Outbound, Rem Host www.download.windowsupdate.com, and where Remote Port is 80-83, Allow

HTTPS
TCP, Outbound, Rem Port HTTPS, Allow

SOCKS
TCP, Outbound, Rem Port SOCKS, Allow

PROXY
TCP, Outbound, Rem Port PROXY3128,PROXY8080,PROXY8088, Allow

BLOCK UDP
UDP, Block

BLOCK TCP IN
TCP, Inbound, Block

BLOCK TCP OUT
TCP, Outbound, Block

我不用MSN所以不是很清楚，上面的内容可能还要稍稍调整，你可能用瑞星的墙。瑞星的墙到底怎么设置，我没有发言权了。

帮你顶一下。偶下去了。

我的MSN不用设置，一下就上去了，你的怎么回事

楼主使的是什么墙？

【回复“吃猫的鱼1984”的帖子】

我的交代出来了，你到《防火墙到底有用吗？》去看一看。在最后。