Difference between revisions of "Bering-uClibc 4.x - User Guide - Advanced Topics - Setting Up a HTTP Anti Virus Proxy"
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=== Preface === | === Preface === | ||
The purpose of this chapter is to setup a LEAF box with a http proxy that scans your web traffic for Trojans, viruses, malware and other malicious threats. As scanner [http://www.clamav.net/lang/en/ ClamAV] is used, as proxy [http://www.server-side.de HAVP]. | The purpose of this chapter is to setup a LEAF box with a http proxy that scans your web traffic for Trojans, viruses, malware and other malicious threats. As scanner [http://www.clamav.net/lang/en/ ClamAV] is used, as proxy [http://www.server-side.de HAVP]. | ||
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| + | <code class="filename">havp</code> can be used with <code class="filename">squid</code> or standalone, but only the standalone version is described here. <code class="filename">havp</code> provides no content caching, therefor you'll need <code class="filename">squid.lrp</code>, it supports multiple virus scanners, but only clamav is provided as lrp package. It has no support for ipv6 and does not scan ssl-protected page (https), but the setup will not block these pages. | ||
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| + | Running a http anti virus proxy goes the typical usage of a LEAF Bering-uClibc box, which usually is used as a router and firewall. This is shown by the fact that the harwdare requirements are a lot more advanced than for a LEAF router. It requires at least 265MB RAM and a writable storage of more than 200MB, or at least 512MB RAM, if you run the proxy completly in RAM, and even than a fixed storage is recommended to reduce time-to-work, after a reboot. | ||
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| + | Most of the resources are needed for <code class="filename">clamav</code>, which requires at least 100MB RAM to start, and 100MB for the virus database plus daily updates. <code class="filename">havp</code> requires a minimum of 5MB fixed storage or RAM for a virtual disk. | ||
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| + | If you add a content-caching proxy like <code class="filename">squid</code>, even more is needed. | ||
'''Status:''' The packages <code class="filename">clamav.lrp</code> and <code class="filename">havp.lrp</code> are already committed to git and will be available with Bering-uClibc 4.1. | '''Status:''' The packages <code class="filename">clamav.lrp</code> and <code class="filename">havp.lrp</code> are already committed to git and will be available with Bering-uClibc 4.1. | ||
Revision as of 17:13, 29 October 2011
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Contents
Preface
The purpose of this chapter is to setup a LEAF box with a http proxy that scans your web traffic for Trojans, viruses, malware and other malicious threats. As scanner ClamAV is used, as proxy HAVP.
havp can be used with squid or standalone, but only the standalone version is described here. havp provides no content caching, therefor you'll need squid.lrp, it supports multiple virus scanners, but only clamav is provided as lrp package. It has no support for ipv6 and does not scan ssl-protected page (https), but the setup will not block these pages.
Running a http anti virus proxy goes the typical usage of a LEAF Bering-uClibc box, which usually is used as a router and firewall. This is shown by the fact that the harwdare requirements are a lot more advanced than for a LEAF router. It requires at least 265MB RAM and a writable storage of more than 200MB, or at least 512MB RAM, if you run the proxy completly in RAM, and even than a fixed storage is recommended to reduce time-to-work, after a reboot.
Most of the resources are needed for clamav, which requires at least 100MB RAM to start, and 100MB for the virus database plus daily updates. havp requires a minimum of 5MB fixed storage or RAM for a virtual disk.
If you add a content-caching proxy like squid, even more is needed.
Status: The packages clamav.lrp and havp.lrp are already committed to git and will be available with Bering-uClibc 4.1.
tbc
Setting up LEAF Bering-uClibc in a Virtualbox environment
tbd
Setting up the virus scanner clamav
tbd
Setting the anti virus proxy hvap
tbd
Testing the setup
tbd
Additional reading and acknowledgment
Useful clamav links:
Useful havp links:
How to use havp with squid as caching proxy (though it's based on an outdated squid version).
The original packages for havp.lrp and clamav.lrp have been contributed by Alejandro Dguez for LEAF Bering-uClibc 3.x. Based on his work it was easy, to adjust the buildtool setup for LEAF Bering-uClibc 4.x.
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