=?Utf-8?B?5aaC5L2V6Ziy6IyD5YaF6YOo572R57uc55qE6Z2e5rOV5Luj55CG5pyN?=

=?Utf-8?B?5aaC5L2V6Ziy6IyD5YaF6YOo572R57uc55qE6Z2e5rOV5Luj55CG5pyN?=

=?Utf-8?B?5aaC5L2V6Ziy6IyD5YaF6YOo572R57uc55qE6Z2e5rOV5Luj55CG5pyN5Yqh5Zmo5ZKMTkFU?=

From: =?Utf-8?B?5aaC5L2V6Ziy6IyD5YaF6YOo572R57uc55qE6Z2e5rOV5Luj55CG5pyN5Yqh5Zmo5ZKMTkFU?= Subject: =?Utf-8?B?5aaC5L2V6Ziy6IyD5YaF6YOo572R57uc55qE6Z2e5rOV5Luj55CG5pyN?= Date: Mon, 24 Jan 2005 00:53:01 -0800 在ISA2004中如何防范内部网络的非法代理服务器和NAT ，