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• ICMP and Active Mode FTP
In Windows XP SP2 without patching by KB889527, it will drop ICMP packets from IPSec tunnel.
This problem can be fixed by upgrading patch KB889527. Before enabling IPSec VPN function on
client devices, please access the patch from Microsoft's web at
http://support.microsoft.com/default.aspx?scid=kb;en-us;889527.
This patch also fixes the problem of supporting active mode FTP inside IPSec VPN tunnel of Windows
XP SP2. Please UPDATE clients' Windows XP SP2 with this patch.
• The Termination of ActiveX
The ActiveX component for IPSec VPN is running in parallel with the web page of "Login Success".
To ensure that the built-in IPSec VPN tunnel is always alive, unless clients decide to close the
session and to disconnect from AMG-2001, the following conditions or behaviors, which may
cause the Internet Explorer to stop the ActiveX, should be avoided.
(1) The crash of Internet Explorer on running ActiveX.
If it happens, please reboot the client computer. Once Windows service is resumed, go through
the login process again.
(2) Termination of the Internet Explorer Task from Windows Task Manager.
Do NOT terminate this VPN task of Internet Explorer.
AMG-2001
Access and AP Management Gateway
161
User's Manual
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