Browse Prior Art Database

Enabling Intelligent Switch/Router Message Filtering

IP.com Disclosure Number: IPCOM000146698D
Publication Date: 2007-Feb-19
Document File: 4 page(s) / 707K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method that provides a way to filter messages using an embedded network device policy. Benefits include a solution that is protected from a variety of malicious situations, regardless of a given browser's junk-mail filtering support.

This text was extracted from a Microsoft Word document.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 66% of the total text.

Enabling Intelligent Switch/Router Message Filtering

Disclosed is a method that provides a way to filter messages using an embedded network device policy. Benefits include a solution that is protected from a variety of malicious situations, regardless of a given browser’s junk-mail filtering support.

Background

Currently, there is an epidemic of e-mail-based scams which use fake addresses and fake links to lure people to non-secure sites for the purpose of obtaining important personal information (e.g. account passwords or social security numbers). Figure 1 shows a very common scheme which uses fake links and fake sender information to attempt to deceive e-mail recipients.

General Description

The disclosed method provides a way to filter messages using an embedded network device policy. The network device receives a message which contains both the IP address of the mail server (which sent the message) as well as a text-based FROM location. The network device then compares the incoming domain (e.g. @yahoo.com, @aol.com, etc.) to see if the IP address received matches the known domain. In the case of larger domains with many mail servers, the administrator will have to train the database of the known valid IP sources and matrix of domains. Additionally, the network device can optionally scan the data for URL message information against the t...