Security Today

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Security Today is extremely complex and yet simple to bypass for a willing mind with enough time and computer power to exploit vulnerabilities that may or may not be accounted for per your internal security or IT operations team.

The multi-layered threat, with many mutations within the attack surface, has increased significantly from the Virus age to nowadays application-focused threats. With this in mind we ought to think that the tools protecting us at the endpoint and through our network security ...

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Security Engineering

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Cisco TMS Telepresence Management Suite Upgrade & Install from 13.0 to 14.6

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Cisco TMS Telepresence Management Suite Upgrade & Install from 13.0 to 14.6

If you have an old version of TMS (13.0) running on an unsupported Windows Server 2003, here is a very extensive procedure to upgrade it to TMS version 13.2, do Database recovery, restore and conversion, and migration to a new Windows 2012 R2 system running on SQL Server Express 2012. The final step was to upgrade to the TMS version 14.6.

First big issue I ran into was the 2008 SQL Express server “SA” password provided by the previous SQL Administrator ...

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Network Engineering, Video

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Next Generation Firewall Overview with Glimpse of Application Identification

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“I am not an advocate for frequent changes in laws and constitutions, but laws and institutions must go hand in hand with the progress of the human mind. As that becomes more developed, more enlightened, as new discoveries are made, new truths discovered and manners and opinions change, with the change of circumstances, institutions must advance also to keep pace with the times. We might as well require a man to wear still the coat which fitted him when a ...

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Network Engineering, Security Engineering

ICMP Security

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ICMP Security

This is a draft guide to handling ICMP securely.

Guide Analysis to Handling ICMP protocol

Summary:

This guide is an attempt to help answer common questions related to the handling of ICMP protocol in a secure and effective manner. Comments and feedback is always welcomed. This article is meant to cover the major area in which there may be questions on how to handle ICMP and what specifically should we allow in each particular condition which will also allow for ...

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data center, Network Engineering, Security Engineering

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Layer 2 Tracing for (6500, 7609, 4500) Cisco Switches

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Layer 2 Tracing for (6500, 7609, 4500) Cisco Switches

In a 6509, 7609 or any Chassis based Cisco switch, to determine where the switch forwards a Source and Destination pair to an actual port in a Port-channel/Etherchannel do the following commands:

Note: Doesn’t apply to Nexus switches.

First enter console for switch:

port-channel hash
Switch# remote login switch
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data center, Network Engineering

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Great SMTP DNS and Troubleshooting tool

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Great SMTP DNS and Troubleshooting tool

mxtoolbox

Go to http://www.mxtoolbox.com

This test will list MX records for a domain in priority order. The MX lookup is done directly against the domain’s authoritative name server, so changes to MX Records should show up instantly. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. You may also check each MX record (IP ...

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Network Engineering, Security Engineering

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Cisco ISR Platform feature by Ashburn Consulting

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A video presentation about the Cisco ISR platform from Cisco’s Solutions Architect, Randy Benn. IPICS, Video Distribution and Management, POE switch modules, IP Camera termination are all integrated in one ISR platform. Interview conducted by Amante Bustamante.

 

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Network Engineering, Video

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MPLS L3 VPN White Paper

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MPLS L3 VPN White Paper

Enterprise Network Design White Paper
For Metropolitan and Campus Networks –
MPLS L3VPNs 
Robert Shields
Sr. Network Engineer, CCIE # 12096 
January 2012 
Enterprise Network Challenges of Today and Beyond 
Enterprise network and security managers continue to see their responsibilities increase within their respective IT organizations as applications and services continue to migrate to IP as a fundamental means of communication. These applications and services include telephony, video, wireless and mobility clients, storage area networks, etc., ...

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Network Engineering

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Cisco XR IOS Code Upgrade

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Cisco XR IOS Code Upgrade

Summary of XR IOS Code Upgrade:

1.Download the correct image tarball from cisco.com. The image cannot be used as-is. The CCO image tarball for Release 4.3.4 (Cisco recommended) must be downloaded first and only relevant Packages Installation Emvelope (PIEs) or Software Maintenance Upgrade (SMUs) must be taken for use on the router.

2. Before upgrading to the new code, all the mandatory SMUs required to be active in the current release must be installed. For example we are upgrading from code 4.2.3 to 4.3.4 and ...

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Uncategorized

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Windows Media conversion to stream live to USTREAM

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Our Client owns old Vbrick Encoders that can only encode Windows Media video format. This is a big problem if the video stream is being offered for Public viewing to support a wide variety of devices (Tablets, IPADs, IPhones, Android devices, Macs, PCs, etc.). To avoid purchasing at least two new $10k H.264 encoders and the need to build a new media server, we are going to use 3 types of software running from a PC or laptop. Make sure ...

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Video

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