TMG initiates active FTP connections to external servers even though it’s configured for passive FTP – a problem with FTP over HTTP

Hi there,   In this blog post, I’ll be talking about another TMG problem where FTP over HTTP was failing through TMG server. Let me first summarize the scenario: – Internet Explorer clients need to connect to an external FTP site through TMG server – Due to some other requirements, this FTP site needs to…

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Java applications and TMG access rules that require authentication

Hi there, In this blog post, I’ll be talking about a TMG related issue. Actually it’s not an issue that stems from TMG itself but the way TMG server is configured (using authenticated rules on TMG server) triggers the problem.   This is already a known fact and we have a KB article that explains…

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Anatomy of a DoS attack that exploits WebDAV vulnerability in Apache Web server

Hi there, It has been sometime since I haven’t posted anything at the blog and finally got a chance to do so. Recently I helped a colleague of mine to investigate a “Windows server connects to unknown destinations” problem. Our customer reported that they were unable to use their internet connections when they start up…

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