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?

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Securing Apache Web Server with thawte Digital Certificate
In this guide we examine the importance of Apache-SSL and who needs an SSL certificate. We look at how SSL works, how it benefits your company and how your customers can tell if a site is secure. You will find out how to test, purchase, install and use a thawte Digital Certificate on your Apache web server. Throughout, best practices for set-up are highlighted to help you ensure efficient ongoing management of your encryption keys and digital certificates.

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