You can decide to implement additional commercial anti-virus products in addition to Clamav. The fun thing about c-icap is that you can add extra content scanning features if you want, just by adding those modules. The c-icap daemon, combined with the squidclamav module, is the glue between the proxy server and the anti-virus software. For this purpose, a standard protocol has been designed called 'ICAP'. The Squid proxy server must pass all content to the Clamav daemon. The HTTPS protocol option must be enabled to send HTTPS traffic to your. The basis of this proxy server is Ubuntu 12.10 LTS. ICAP can be used with any version of TRITON AP-DATA or Websense Data Security.
Icap protocol error how to#
So in this post I will document how to setup a content-scanning proxy based on Squid 3.1, c-icap version 1, the Squidclamav module and the Clamav anti-virus scanner.
Icap protocol error free#
In this case, open-source as in free to use in commercial settings. So I decided to create a content-scanning proxy based on available open-source software. There are man-in-the-midle solutions that do allow you to inspect SSL traffic, but there are some limitations and this is outside the scope of this post.Īs I believe that most malware is still being served through unencrypted HTTP sites, a content-scanning proxy does create an extra layer of defence. So if a blackhat is smart and serves all malware through HTTPS, a content scanning proxy will not stop that malware. Any data requested through an SSL-connection ( cannot be scanned, precisely because it is encrypted. One of the IP addresses of the computer that runs the product to serve ICAP interface (0.0.0.0 means all interface) icapport. Basically, the proxy server is virusscanning all network traffic.īut there is a severe limitation. This may prevent numerous infections of company computers. It blocks all content presumed to be infected. A content scanning proxy checks all data for malware.
So every layer will increase the time and effort to compromise your environment.Ī content-scanning proxy server may provide you with one of these defensive layers. Every layer presenting a different set of challenges, requiring different skill sets and technology. Security is all about a defence-in-depth strategy. +Während des Versuches, den URL +U + + +zu laden, trat der folgende Fehler auf: + + + +ICAP-Protokollfehler + + +Es trat ein Problem bei der ICAP-Kommunikation auf.
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