Thank you to everyone
The references to the "SANDRA.G" he stated, helped a lot.
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Proxies and compatibility with Java LiveUpdate and Symantec Endpoint Protection/Symantec AntiVirus for Macintosh
http://www.symantec.com/docs/TECH103527
How to set proxy settings in Java LiveUpdate
http://www.symantec.com/docs/TECH100706
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So I tried to configure PROXY directly, but it did not work.
So I copied the file from the / etc / liveupdate.conf a machine COMClient "Leopard" and used on a machine with client "Tiger."
Now, it's all working
Anyone know if the SEP 12.1 works in Snow Leopard?
Thank you again.