>Socks is (or was last time I looked, which was admittedly about 2 versions
>ago) a transport layer relay, I don't know how widespread its use is, but
>it isn't an application layer proxy.  So, SOCKS relates only to SOCKS
>users, not to traditional proxy-based firewalls.

SOCKS is simply a protocol between a client and a proxy.   The "proxy" that
comes with the SOCKS package is a circuit-level gateway.  No reason
you can't use the SOCKS protocol to get to a real proxy.

                         Ryan




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