netflow

October 11, 2013

EDUCATION

Security: Vital for Technology-enabled Education

More and more we are seeing the education landscape change to include more technology for collaboration and mobile learning. Colleges and universities are enabling secure networks for staff and students...

October 1, 2013

GOVERNMENT

Cybersecurity Awareness Month: Unsampled Netflow – Why it’s Important for Cybersecurity

Quick question for IT leaders - can the switches on your network report 100% unsampled netflow?  If they can’t, there may be elusive cybersecurity threats hiding within your network. Yes, inside...

May 29, 2013

SECURITY

Botnets Riding Rails to your Data Center

Cisco Security Intelligence Operations is tracking reports of ongoing exploitation of a vulnerability in the popular web application framework Ruby on Rails that creates a Linux-based botnet. The vulnerability dates back to January 2013 and affects Ruby on Rails versions prior to 3.2.11, 3.1.10, 3.0.19, and 2.3.15.  Cisco Security Intelligence Operations’ has previously published an […]

May 9, 2013

SECURITY

Foundational Network Traffic Collection and Analysis Setup

This introductory post explains how one of Cisco’s security research groups established a network data collection capability for large amounts of network traffic. This capability was necessary to support research into selected aspects of the Domain Name Service (DNS), but it can be adapted for other purposes.

March 27, 2013

ENTERPRISE NETWORKS

Cisco ISR-AX is Now a Part of the Integrated Services Router Family!

On March 12th,  Cisco announced the ISR-AX and how Cisco is changing the game, reducing complexity and making it simpler for enterprises to deliver and manage application delivery to users. Cisco is expanding the role of our Integrated Service Routers (ISRs) to deliver application-centric networks that provide granular visibility, control, and optimization without additional devices […]

March 12, 2013

ENTERPRISE NETWORKS

A Better (and More Affordable) Way to Deliver a High Quality Application Experience from Anywhere

Today, marks an important milestone in the history of routing, as Cisco introduces ISR-AX (Integration Services Router Generation 2 with Application Experience) and redefines the role of the router as the application delivery platform. httpv://www.youtube.com/watch?v=JBw18_S3jus Quintiles – a biopharmaceutical in Durham, North Carolina – has experienced, first-hand, the benefits of an application aware router. They […]

February 20, 2013

ENTERPRISE NETWORKS

How to Find and Measure IPv6 Traffic on Your Network

My last post was all about finding IPv6 prefixes on the IPv6 Internet. I think the next natural question is “What about IPv6 traffic?” or more specifically, “What about IPv6 traffic on my network?” In this post, I’ll talk about some network tools, or instrumentation, that can be used to find and measure IPv6 traffic […]

Accounting and Routing in the Internet

Accounting Traffic in the Internet Today [the full article can be seen at http://www.internetsociety.org/sites/default/files/BGP-for-regulators.pdf] Business Model Changes In the past, voice traffic was transported over a dedicated voice infrastructure, and the data network infrastructure was established in parallel so that voice and data traffic did not interfere with each other. Traditional voice accounting and performance […]