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Redirecting Web Requests to an IDP Captive Portal
You can configure the SRC software to redirect
subscriber Web requests to an IDP captive portal page in response
to IDP security rules that detect problem traffic sent by or received
by a subscriber. A captive portal is simply a Web page that receives
redirected HTTP requests. The SRC application library provides a sample
IDP captive portal that is a Java 2 Platform, Enterprise Edition (J2EE)
Web application. We provide the application for demonstration purposes.
You use an SRC service to redirect Web requests to a captive portal.
You can use the sample IDP captive portal as a
basis for a captive portal for your environment, or you can develop
a different captive portal based on the sample.
The sample IDP captive portal:
- Provides the source IP address or destination IP address
of the problem traffic and provides a description of the incident.
The following page shows a sample IDP captive portal
page that identifies incoming as well as outgoing traffic problems
that IDP detected. The help buttons provide information about what
the subscriber can do in response to the problem. For example, for
the incoming traffic the Help could recommend that the subscriber
use firewall software.
- Displays general information if the SRC software cannot
collect information about the type of traffic that causes a problem;
for example, if the IDP management server cannot access the record
servlet in the IDP captive portal.
- Lets the subscriber display the Web page that he or she
was trying to access when the request was redirected to the captive
portal page and be reminded of the error at another time.
- Lets the subscriber prevent display of the IDP captive
portal page again for the same incident.
This feature is useful for a subscriber who is
addressing a detected problem and who does not want to be redirected
to the IDP captive portal page again while addressing the issue. It
is not intended that the subscriber simply ignore the problem.
If a new problem occurs, the portal displays a
new page.
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