Took me a few tries but finally got it to work.  Here is what fixed it for me.conf tioxexitguestshell enable  (wait for it to complete)guestshell destroy  (had to run the enable/destroy a couple of times for it to take.)conf tno ioxendshow files syst...

Netflix IP Range: 108.175.32.0/24, 108.175.33.0/24, 108.175.34.0/24, 108.175.35.0/24, 108.175.36.0/24, 108.175.37.0/24, 108.175.38.0/24, 108.175.39.0/24, 108.175.40.0/24, 108.175.41.0/24, 108.175.42.0/24, 108.175.43.0/24, 108.175.44.0/24, 108.175.45....

Netflix streaming, and iTunes downloads seems to be a known issue with Ironport.  We ended up just creating a custom URL and dumpped all the IP ranges for Netflix and iTunes, which fixed the problem for us.  Ironport support said that was the best op...

Checked and it was already disabled.  I've opened up a case with IronPort support last week.  Hopefully, they will get to it sometime this century.  Thanks for your help though.

Updated to the latest version, but still no luck.  Do you have any instructions on turning off the "free range requests"?  I did a google search and came up with nothing.