可以ping以下网址得到相应的IP地址, 在防火墙中加入即可!
360升级网址：
dl.360safe.com
down.360safe.com
update.360safe.com
updatem.360safe.com
stat.360safe.com
360杀毒升级网址：
sdup.360.cn
微软补丁升级网址:
download.microsoftware.com
云查杀:
qup.f.360.cn
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本人自己检测到的IP地址 2010-03-25:
dl.360safe.com
110.81.238.228
110.81.239.10
121.12.111.216
121.12.111.217
121.12.111.221
121.14.235.138
121.14.235.167
down.360safe.com
59.53.87.78
59.53.87.101
59.53.87.102
update.360safe.com
124.238.254.96
124.238.254.44
updatem.360safe.com
61.183.62.0/16
61.187.94.227
218.77.10.66
218.77.10.68
220.181.126.32
222.186.16.0/16
222.208.168.0/16
222.215.136.3
222.215.136.4
119.147.104.0/16