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ALSO CALLED: Networkmonitor, Network Traffic Monitoring, Network Behavior Monitoring, Monitoring Network, Network Performance Monitoring
DEFINITION: Port mirroring, also known as a roving analysis port, is a method of monitoring network traffic that forwards a copy of each incoming and outgoing packet from one port of a network switch to another port where the packet can be studied. A network administrator uses port mirroring as a diagnostic tool or debugging feature, especially when fending off an attack. It enables the administrator to keep  … 
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Network Monitoring Reports
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Making the Journey to HTTP/2
sponsored by F5 Networks
WHITE PAPER: View this white paper for an in-depth look at the benefits and challenges of HTTP/2, as well as tips for easing the transition to HTTP/2.
Posted: 28 Mar 2015 | Published: 28 Mar 2015

F5 Networks

Top 3 DNS Monitoring Methods
sponsored by Cloudmark
EGUIDE: This expert e-guide walks you through the top three DNS monitoring methods. Additionally, read on to uncover how defense tactics are revealed through DNS attacks.
Posted: 26 Mar 2015 | Published: 11 Feb 2015

Cloudmark

Manage Your Applications in a Software Defined World
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WEBCAST: Watch this on-demand joint webinar with Firefly to learn how to easily move from ACE to NetScaler and how this leads to a fully virtualized network integrating with Nexus switches today, and a software defined application infrastructure with Cisco ACI.
Posted: 26 Mar 2015 | Premiered: Dec 11, 2014

Citrix

Anamoly Detection: Finding Black Swans in Big Data
sponsored by Prelert
WEBCAST: This white paper introduces an anomaly detection system that cuts through big data to find even the subtlest threats.
Posted: 26 Mar 2015 | Premiered: Jan 24, 2015

Prelert

Why Every IT Security Team Needs Anomaly Detection Software
sponsored by Prelert
WHITE PAPER: This white paper gives you the ins and outs of anomaly detection, including how it works and what its benefits are.
Posted: 25 Mar 2015 | Published: 31 Dec 2014

Prelert

Machine Learning Anomaly Detection for IT Ops
sponsored by Prelert
VIDEO: Watch this brief video to discover how you can monitor all your data and discover why a problem occurs before it can harm your network.
Posted: 25 Mar 2015 | Premiered: 25 Mar 2015

Prelert

Security Analytics:Anomaly Detection for IT Security
sponsored by Prelert
VIDEO: Watch this video to learn how anomaly detection systems use advanced analytics to uncover even the subtlest cybercriminals.
Posted: 25 Mar 2015 | Premiered: 25 Mar 2015

Prelert

Distilling Alert Noise to Find Real Problems
sponsored by Prelert
WHITE PAPER: Read this brief article to discover how anomaly detection programs can lower your rates of false positives and make security management much more efficient.
Posted: 24 Mar 2015 | Published: 04 Mar 2015

Prelert

7 Ways to Find Rogue Users
sponsored by Prelert
WHITE PAPER: This article gives you seven foolproof steps towards setting up insider security with less disruption and better accuracy.
Posted: 23 Mar 2015 | Published: 03 Apr 2014

Prelert

Case Study: Finding Document Thieves
sponsored by Prelert
WHITE PAPER: In this brief case study, discover a crime on intellectual property that came very close to slipping through the cracks.
Posted: 23 Mar 2015 | Published: 16 Jan 2015

Prelert

Choosing the Right Wi-Fi and APM Tools for Your Organization
sponsored by Extreme Networks
EGUIDE: Access this expert e-guide to discover the importance of strong Wi-Fi connectivity in healthcare—especially when it boils down to security and privacy.
Posted: 19 Mar 2015 | Published: 19 Mar 2015

Extreme Networks

Lower OPEX & TCO Within Your Organization
sponsored by Cisco Systems, Inc.
VIDEO: In this video, learn how various customers are using one particular ACI to speed up application deployment, improve operations and drive down costs.
Posted: 18 Mar 2015 | Premiered: 04 Feb 2015

Cisco Systems, Inc.

Selecting a Next-Generation Firewall: Top 10 Considerations
sponsored by Cisco Systems, Inc.
WHITE PAPER: Access this white paper to uncover how a next-gen firewall closes network gaps and explore the top 10 considerations for platform evaluation.
Posted: 17 Mar 2015 | Published: 12 Feb 2014

Cisco Systems, Inc.

South Washington Co. Schools: redefining the network
sponsored by Hewlett-Packard Limited
WHITE PAPER: As a result of the exponential growth in wireless devices, South Washington County Schools needed an easier way to maintain security and manage both wired and wireless networks. Read this case study to learn more about the structure the school implemented to improve security.
Posted: 16 Mar 2015 | Published: 16 Mar 2015

Hewlett-Packard Limited

Simplify Network Control With an Alcatel-Lucent Enterprise Intelligent Fabric
sponsored by Alcatel-Lucent Enterprise
WHITE PAPER: Access this white paper to learn how you can simplify control over your network with help from a fabric.
Posted: 16 Mar 2015 | Published: 31 Dec 2014

Alcatel-Lucent Enterprise

Get Out of the Mud of Sinking IT and Business Productivity
sponsored by Ipswitch File Transfer
WHITE PAPER: Access this white paper to learn about 5 challenges that IT leaders commonly face with network performance and low user productivity, as well as their solutions.
Posted: 13 Mar 2015 | Published: 31 Dec 2014

Ipswitch File Transfer

Preventing Insider Threats in Real-Time
sponsored by IBM
WEBCAST: Access this webcast to learn about a security identity management platform to help you thwart insider threats by tracking the users.
Posted: 27 Feb 2015 | Premiered: Jun 16, 2014

IBM

Cloudmark Security Platform for DNS
sponsored by Cloudmark
PRODUCT DEMO: If you suspect that your DNS has been compromised, use this DNS analysis page from Cloudmark to send them a traffic sample for complimentary analysis—the first step to take along the path to proven security success.
Posted: 16 Feb 2015 | Premiered: 16 Feb 2015

Cloudmark

Should Employees Have Local Admin Rights?
sponsored by Viewfinity
EGUIDE: This expert guide lays out the pros and cons of granting users local admin rights and suggests strategies for maintaining safety if you do choose to give out those rights.
Posted: 16 Feb 2015 | Published: 01 Jan 2015

Viewfinity

Dissecting The Era of Application Centric Networking
sponsored by Cisco Systems, Inc.
WHITE PAPER: This white paper highlights the growing popularity of applications, and why IT application delivery will continue to affect the business world.
Posted: 16 Feb 2015 | Published: 01 Aug 2013

Cisco Systems, Inc.

How SDN Will Enable Automated Network Security
sponsored by Hewlett-Packard Company
EGUIDE: In this expert guide, Dave Shackleford explains how the centralized control enabled by SDN will ultimately result in security-defined routing and other SDN security strategies that could forever change how we defend the network and the applications or data running across it.
Posted: 01 Feb 2015 | Published: 12 Dec 2014

Hewlett-Packard Company

Unlock New Pathways to Network Security Architecture
sponsored by Hewlett-Packard Company
EGUIDE: In this expert guide, Dave Shackleford offers advice on how your organization can make the right network security architecture decisions when it comes to network isolation and segmentation to create a multi-layer attack surface.
Posted: 01 Feb 2015 | Published: 12 Dec 2014

Hewlett-Packard Company

Using Network Flow Analysis To Improve Network Security Visibility
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EGUIDE: In this expert guide, Michael Gregg explains how security professionals are turning to network flow analysis to gain improved network security visibility.
Posted: 01 Feb 2015 | Published: 12 Dec 2014

Hewlett-Packard Company

Enterprises Seek Greater Security Through Network Transparency
sponsored by Hewlett-Packard Company
EGUIDE: In this expert guide, Kevin Beaver lists 3 major ways that you can better know and secure your enterprise networks as they grow larger and more complex than ever before.
Posted: 01 Feb 2015 | Published: 12 Dec 2014

Hewlett-Packard Company

SDN Security Strategies for Network Attack Prevention
sponsored by Hewlett-Packard Company
EGUIDE: In this expert guide, Dave Shackleford discusses the rise of software-defined monitoring; using SDN for security monitoring and packet analysis; how SDN security strategies tackle network attack prevention; and more.
Posted: 01 Feb 2015 | Published: 12 Dec 2014

Hewlett-Packard Company
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NETWORK MONITORING DEFINITION (continued): …  close track of switch performance and alter it if necessary. Port mirroring can be managed locally or remotely.An administrator configures port mirroring by assigning a port from which to copy all packets and another port where those packets will be sent. A packet bound for or heading away from the first port will be forwarded onto the second port as well. The administrator places a protocol analyzer on the port receiving the mirrored data to monitor each segment separately. The analyzer captures and evaluates the data without affecting the client on the original port. The monitor port may … 
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