Re: Are Proxy Firewalls a Security Hole?

[Kurt Buff <kurt.buff () gmail com>]

On Thu, May 31, 2012 at 3:54 PM, Dav Fisher <dfisher3202 () gmail com> wrote:
> Given that people are sending larger and larger files, proxy firewalls
> seem to be limited since they can't inspect files after a certain
> point and the 'stream', 'flow', 'express' AV options of many of the
> proxy firewall vendors inspect only a portion of the large file. I've
> been able to put the Eicar virus in different locations of a large
> test file and successfully get the file through the firewall.
>
> So, are proxy firewalls a security hole?

What leads you to believe that your particular proxy, with its
particular settings, in your particular network configuration, is
representative of all proxy servers?

What leads you to believe that your test was conducted properly?

Kurt

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