Tag: technical

Network Security Breaches – What to do after?

Network uptime and bottom line go hand in hand for enterprises dependent on online sales. According to an online DoS attack cost calculator 1 , an enterprise with annual revenue of $10 Million USD, of which at least 10% comes from online sales, can lose up to $100K USD per DoS attack! The year 2011 came to be known as the “Year of the Hack”, a time when we saw small and big enterprises falling victim to network security breaches, advent of industrial malwares like Duqu (Based on Stuxnet ) which can lay dormant for months and attack when needed (That was not the outline of an alien invasion movie), zero day malwares, increased DDoS attacks and more. As per some reports, it is estimated that around One Thousand DoS attacks occur 2 every single day and there are around Three Thousand active Command and Control (C&C) centers 3 which can carry out DoS attacks.

Application monitoring in NetFlow Analyzer – a video tutorial

NetFlow Analyzer is a bandwidth monitoring tool which helps you make an in-depth analysis about your network traffic. However, NetFlow Analyzer can also be used for application monitoring. Please view the video to know more: You can download the 30 day trial of ManageEngine NetFlow Analyzer from here

NetFlow configuration for Vyatta router

One of our customers wanted to know the configuration for NetFlow for the Vyatta router. For the benefit of many others who may need it, here it is: Please configure NetFlow on your Vyatta router as mentioned below: set system flow-accounting interface // This command should be issued for each interface you want to monitor set system flow-accounting netflow server port 9996 // Specifies a NetFlow collector to which to export Netflow data set system flow-accounting netflow sampling-rate rate // Specifies the rate at which packets are sampled for statistics. set system flow-accounting netflow version 9 // Specifies the Netflow format that data will be exported in

Exporting NetFlow packets from Blue Coat Device

Blue Coat Packetshaper are capable of exporting NetFlow packets. The configuration to export NetFlow from the devices is simple, you can configure the packetshaper to export NetFlow packets to the NetFlow server. Follow the steps mention below to export NetFlow packets: Login to the Packetshaper UI and click on setup.