Squid seems to choke and stop sending Windows Update (cached) files to clients

  • pfSense 2.1.5 amd64
    squid3 3.1.20 pkg 2.1.1

    I have about 80 Microsoft Surface RT tablets to perform a "Windows Update" on so I installed the squid3 package on the pfSense (so far I don't see any possible way to clone an RT so the process to setup a bunch is very tedious and manual labor).  I set the following configuration up:
    allow users on
    hard disk cache size: 8192
    Min. obj. size: 64 (kb)
    Max. obj. size: 1048576 (kb)
    Memory cache size: 1024 (mb)
    Max. obj. size in RAM: 32 (kb)
    Cache dynamic content: Yes
    Refresh patterns: Windows Update

    Everything else is factory setting.

    What will happen is I'll have maybe four or five Surface RT tablets running a Windows Update and then they all seem to stop downloading from the proxy cache.  In the tab "real time" I can see the TCP_HIT status scrolling so I know the cache appears to be working.  I'm using 12% of a 68GB HDD and memory usage is 10% of 2GB.

    Any ideas?

  • I'm not sure if windows updates is dynamic content.

    I've gotten this to work well with ubuntu updates in the past.

    Not so sure about windows.

    That said, I will post this, which I have never tried and may totally break or fix your system.  Flip a coin.


  • thanks for the assistance.  I'll read through the content and apply (test).

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