NOTE: When creating these rules, you can use the rule Block if virus was found in the default Gateway Anti-Malware rule set as a starting point. Inappropriate host information can, however, have an impact on the anti-malware filtering results, which might include an increased number of false positives.įor more information about the rule, see Rule for adding a host header. Setting the property in this way is sufficient for letting the scanning process make full use of the Gateway Anti-Malware engine. If you do not know such a host, you can set the property to a dummy value. If you know that requests are usually received from a particular host, you can set the property to the value for this host. The rule provides the host header value using an event that sets the URL.Host property. When this second rule is executed, the host header value is found by the rule engine and scanning can be performed making full use of the Gateway Anti-Malware engine. You can add a rule that sets a value for the host header and place it before the rule that controls anti-malware scanning. A rule for performing a scanning process with reduced use of the Gateway Anti-Malware engine if a request does not include a host headerįor more information about these two rules, see Rules for anti-malware filtering with full or reduced use of the Gateway Anti-Malware engine.A rule for performing the default scanning process with full use of the Gateway Anti-Malware engine if a request includes a host header.The rule set for anti-malware filtering then includes: You can perform scanning with a reduced use of the Gateway Anti-Malware engine that does not require the processing of information from a host header. Create rules for anti-malware filtering with full and reduced use of the Gateway Anti-Malware engine.The request might have been sent without a host header due to an error within the client configuration.įor more information, refer to documentation that explains the ICAP protocol. This solution is not applied on Web Gateway, but on the client system that sent the incomplete request. ![]()
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