Any content withĪ score above that value will be sanitized. Theīlocking threshold - Sets a threshold value. Secure ICAP - If Enabled, the option allows ICAP-aware HTTP proxies to connect to the Sensor by means of a secure connection. There are a number of other options you can set on the Proxy tab: From this, it canĭetermine whether the file type is of potential security interest. To derive the file type of the document being served from preview content. The ICAP implementation has the capability Transaction should be skipped or fully delivered. The ICAP service then decides whether the The entire HTTP transaction to the ICAP service, a client can start by delivering theīeginning of such transaction to the ICAP service. The Sensor supports ICAP Preview, if implemented by the client. RESPMOD is unable to prevent requests from reaching the remoteĮndpoint, so it will not block the exfiltration itself. Prevent clients from downloading malicious documents.ĭetect interactions towards low reputation domains. Prevent submission of malicious documents to APIs by means of HTTP Prevent clients from exfiltrating data towards low reputation domains. Where this was not possible, each request mode offers different types Most third party appliances support the configuration of both operation modes on Request that has been sent out to the server as well as the server response.Īnd RESPMOD requests at the same time, offering the maximum level of In this scenario, the Sensor has the opportunity to inspect the HTTP Most ICAPĬlient implementations deliver in a RESPMOD request both the HTTP client Generated by the origin server before delivering it back to the ICAP client. Response modification (RESPMOD) - When set in this mode, an ICAP client will Sensor also has the capability to inspectįiles and documents being pushed towards external services in the context of HTTP Request to prevent infected clients from exfiltrating data to low reputation hosts.
The Sensor has the capability to use this type of Requests before relaying them to the origin server. REQMOD requests will relay to the ICAP server all the incoming HTTP
Request modification (REQMOD) - An ICAP client setup to use The ICAP specification defines two basic operation Monitor the HTTP traffic relayed by the client.
ICAP server - The Sensor leveraging ICAP communication to That is forwarding HTTP data between an internal host and an external origin server ICAP client - A third party proxy or security appliance Two endpoints are involved in the transaction: ICAP server 2 3 Origin server ICAP client HTTP client 1 4 Request modification ICAP server 3 2 Origin server ICAP client HTTP client 4 1 Response The following figure shows an ICAP transaction.
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