Article ID: 2620088 - Last Review: October 5, 2011 - Revision: 1.0

FIX: Large files become corrupted during file transfer through the Socks V4 client

View products that this article applies to.
System TipThis article applies to a different operating system than the one you are using. Article content that may not be relevant to you is disabled.
Expand all | Collapse all

SYMPTOMS

Consider the following scenario:
  • You have a server that is running Microsoft Internet Security and Acceleration (ISA) 2006.
  • Internal clients use ISA 2006 as their outgoing firewall.
  • Internal clients use Socks V4 to connect to an Internet resource through the ISA 2006 server.
  • A Socks V4 internal client has to download a large file from the Internet resource, for example, by using FTP protocol.
In this scenario, the large file that is downloaded by the client is corrupted.
Back to the top

CAUSE

There is a problem in the Socks V4 application filter that is included together with ISA 2006. This issue does not occur when you use a third-party Socks V5 application filter.
Back to the top

RESOLUTION

To resolve this problem, install the ISA Server 2006 hotfix rollup package that is described in the following Microsoft Knowledge Base article:
2616326  (http://support.microsoft.com/kb/2616326/ ) Description of the ISA Server 2006 hotfix package: September 2011
Back to the top
APPLIES TO
  • Microsoft Internet Security and Acceleration Server 2006 Service Pack 1, when used with:
    • Microsoft Internet Security and Acceleration Server 2006 Enterprise Edition
    • Microsoft Internet Security and Acceleration Server 2006 Standard Edition
Back to the top
Keywords: 
kbqfe kbfix kbexpertiseadvanced kbhotfixserver kbhotfixrollup kbcorrupt KB2620088
Back to the top