Windows forwarding false positive ftp detection

Problem

Windows server provides network access via Internet Connection Sharing (ICS) uses FTP inspection by default. Host using this connection generates false positive FTP detection.

Solution

FTP inspection can be disabled in registry:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ALG\ISV]

Find an entry and change its value from «Enable» to «Disable».

Сhanges will take effect immediately.