Network technologies and trends:

Networking


May 27, 2015  6:10 AM

What is uRPF – Strict Mode?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Networking

As discussed in previous post, uRPF (Unicast Reverse Path) works in two modes strict mode and loose mode, in this post lets discuss more about Strict mode In Strict mode the router will perform following...

May 26, 2015  4:52 AM

What Is uRPF?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
IP, IP address, IP packets, RFC, Routers, Routing Table

uRPF also known as Unicast Reverse Path Forwarding is a great security feature found in Cisco IOS Router and ASA Firewalls which is used to limit the malicious traffic on an enterprise network. Generally when a router receive a unicast IP Packet, the routers cares only about the destination IP...


May 25, 2015  4:43 AM

What is Cisco IOS Software Checker?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco, Cisco Nexus, firewall, IOS, Nexus, Security, Switches

We are all leaving in the age, where Network Security is given upmost importance; almost every major Organization does have a good Security team who are even responsible for looking at the vulnerabilities reported in their Network Security products. Cisco does have a great tool called


May 21, 2015  6:28 PM

Beware of Trojanized version of PuTTY

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Blog, Cisco, Filezilla, FTP, Networking, PuTTY, Website

It all started in late 2013 and early2014, a compromised FTP client dubbed “StealZilla,” based off the open source FileZilla FTP client was discovered. Now in 2015 new attack is discovered based on the same techniques and the actors as StealZilla” to alter the source code of the widely used...


May 20, 2015  8:33 AM

What is Cisco Switch Selector?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Collaboration, firewall

When it comes to selecting a Cisco Switch either a new Switch or need an upgrade an existing Cisco Switch one needs to consider many things be it the feature set, type of modules needed, wither it need be a stackable or modular switch.One has to go through many parameters, which may some times...


May 7, 2015  6:00 AM

Two resources one should consider to pass F5 101- Application Delivery Fundamentals exam

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
F5, TCP/IP

When it comes to any certification exams ,the key thing anyone looks for is the resource. F5 101- Application Delivery Fundamentals exam is no different from any other certification exam. F5 team have ensured that, good resources and teams are available to help some one who is perusing his /her F5...


May 4, 2015  6:00 PM

Chuck Robbins named as a new CEO of Cisco

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CEO, Cisco, Networks, Routing, Switching, Wireless

John Chambers have been driving Cisco for almost two decades and he was quite successful in leading Cisco for such a long time. Since his accession to the seat of CEO, he ensured Cisco is the leader in the routing and switching domain and various other networking technologies like collaboration and...


April 30, 2015  11:08 AM

WebEx on Apple Watch is it possible?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, ipad, WebEx

Since the release of an Apple watch, many companies are trying to build their applications to serve technology not only on the palms but also on the wrists. 0 Comments     RSS Feed     Email a friend


April 29, 2015  4:50 AM

Time to say good-bye for Cisco ASA Intrusion Prevention System

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
APM, Cisco ASA, Cisco Firewall, Cisco security, IPS, Sourcefire

The Cisco ASA CX Context-Aware Security, Cisco Prime Security Manager and Cisco ASA Intrusion Prevention System are no more sold by Cisco, Cisco recently announced End of Sale for the above Cisco Security Products. With the acquisition of Source fire, Cisco is powering up their Security Appliances...


April 25, 2015  8:15 PM

Cisco CCIE Service Provider Version 4.0 debuts on 22nd of May 2015

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, Cisco, Cisco Press, IOS, IP Routing, MPLS

Starting May 22nd 2015, CCIE Service Provider version 4.0 is making the debut, like other CCIE written exams, the Cisco CCIE® Service Provider Written Exam (400-201) version 4.0 lasts for two hours and one can expect 90-110 questions. These questions are designed to validate how a...


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