The Internet Content Adaptation Protocol (ICAP) is a lightweight HTTP-like protocol specified in RFC which is used to extend transparent proxy servers . ICAP Errata: collection of RFC bugs. ICAP Partial Content Extension (html version) (Note to implementers: Please provide additional feedback to this. The ICAP server has a service running in Request Modification Mode (see section running in Response Modification Mode (see section of RFC ).

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End a child process if the number of available threads is more than [x] – This option allows dynamic reduction of the number of threads as needed.

This article includes a list of referencesrelated reading or external linksbut its sources remain unclear because it lacks inline citations. In the cluster User Interface under file system, anti-virus, detected threats, the file is listed as quarantined and the results are for the manual policy run and another result for the scan on open. The surrogate sends the request to the origin server. For more information and updates, see sk Background mode means that connections are allowed until emulation is complete.

Here’s the exact definition:. The maximum allowed number of server processes multiplied by The number of threads per a child process is the number of maximum concurrent connections that the ICAP server can handle. You can create a new profile and change the mode to Hold modeand apply the profile to the relevant gateways. I’ve got setup which contains the following devices: If this number is lower than the ica; configured in this field, it creates a new child process.


This page was last edited on 2 Decemberiicap The ICAP client sends the verdict to the client. ICAP Server needs encapsulated sections different from those in the request.

Internet Content Adaptation Protocol (ICAP) Support

Start a new child process if the number of rcc threads is less than [x] – This option allows dynamic growth and lets you configure the number of new threads as needed. Continue after ICAP preview.

Include formatting HTML for display on special devices, human language translation, virus checking, and so forth. Any other blades in a Threat Prevention profile are ignored.

ICAP version is not supported by server.

ICAP Server

A connection must be established between the ICAP server and client. I’d like to prevent new connection in case the number of active threads exceeded a predefined maxval.

ICAP server is supported only on R Please help to improve this article by introducing more precise citations. Its multi-scanner and multi-filer idap deliver parallel processing for optimal load balancing and flexible failover protection.

Email Required, but never shown. The ICAP client can then perform the modified request by contacting an origin server, ical pipeline the modified request to another ICAP server for further modification.

The ICAP server supports dynamic scaling of the number of processes for optimal performance. For example, ‘ you sent a request to view a page you are not allowed to see ‘.

Test your ICAP clients with clean file: Zohar81 2, 1 8 The gateway object window opens. Affected Products VirusScan Enterprise 8. How to configure squid server to support icap error service overloaded Ask Question. Rfx ICAP server can then send back a modified version of the request.


ICAP sends an error to the Client. Stack Overflow works best with JavaScript enabled. At the core of this process is a cache that will proxy all client transactions and will process them through web servers. The following occurs if Step icpa returned a request: Gfc, the icap server scanning rate is smaller then network bandwidth, so in case of heavy traffic, idap may by overloaded.

You can create a new ICAP service which runs on a port different than and select it. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these rrc.

The surrogate sends the reply, possibly modified from the original origin server’s reply, to the client. Client requests for download files from the file server will go through the proxy, and it may decide to send the requested file to the icap server for analysis prior to forwarding them back to the client.

For than reason, icap RFC defined response to notify the squid to retry file scanning, since it’s temporally overloaded.