It's a 1GHz CPU, and 256 Mo RAM (Swap uses 20Mo/1Go).
When we try to set up transparent proxy, internet traffic for all networks is immediately stopped [:S]
We shut it down => networks can surf again.
We light it on again => no more internet traffic

In Reporting / Hardware we don't see any important increasing activity. And don't really know where we could find some explicit logs.
Is there a known problem about transparent proxy depending on hardware (the main enigma for me is that we use the same ASL version, the same hardware, for 4 firewalls, and this is the only one presenting this problem) or something else ?
Setting the proxy to "normal" mode should work ? We'd like to avoid this solution, because we would have more than a hundred machines to configure...
Thanks for the help [:)]
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