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February 2005 - Posts

Sunday, February 27, 2005 5:07 PM

NAT Limitations

VoIP presents a problem for NAT. The problem is that when IP phones or routers establish VoIP call signaling, call control, and media communications, the IP address and port number are embedded within the data payload of the IP packets. This causes end-to-end
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Wednesday, February 23, 2005 11:49 AM

Cisco’s Aggressive Security Push

Cisco’s Self-Defending Network security strategy, which is based on the company’s “Adaptive Threat Defense” (ATD) architecture. ATD consists of three components: Anti-X defenses (which include IDS and client malware/spyware security agents), application
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Sunday, February 20, 2005 9:28 AM

My New Love Juniper (JUNOS)

Cisco is giant network service provider. In internet world, whenever you guys access www.xyz.com . On the way packet will have to meet with Cisco device. It can be router, switch, RAS or firewall. Juniper is one of the biggest competitor with Cisco in
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Sunday, February 20, 2005 9:23 AM

My little experience with Juniper

Cisco/Juniper One day, I was giving consultancy to solve some routing issues. In multi vendor mesh topology, I have some E and T Series Juniper modular routers. At that time even I was not able to see routing table via JunOS. Again, I tried to search
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Saturday, February 19, 2005 4:03 PM

Red Hat Network

st1\:*{behavior:url(#default#ieooui) } The Red Hat Network is a system for managing and updating the Linux operating system that uses the Internet to deliver bug fixes and security enhancements to the operating system. Red Hat Inc. is bringing Sun Microsystems
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Wednesday, February 16, 2005 5:03 PM

Multiprotocol Label Switching (MPLS)

My first experience with MPLS was in Saudi Electricity Company (Kingdom of Saudi Arabia). When I heard first time that MPLS is new packet switching technique which falls between layer 2 to layer3. I was thinking it will be same like LAN switching. But
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Tuesday, February 15, 2005 5:09 PM

Modular OS design cuts downtime

Today, companies require infrastructure uptime of 99.999% (five nines) to maximize the performance of business-critical applications and increase productivity. Specially in Saudi Arabia they need 100% J . Unfortunately, traditional Ethernet LAN switching
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Tuesday, February 15, 2005 1:58 PM

iHateSpam for Exchange

iHateSpam for Exchange was developed for the Exchange Admin. Control spam according to the needs of your company and your users iHateSpam for Exchange (V5.5, 2000 and 2003) is an easy install and up and running in minutes. We are using iHateSpam with
Posted by jahil | 2 Comments
Tuesday, February 15, 2005 9:19 AM

Microsoft Windows Malicious Software Removal Tool

The Malicious Software Removal Tool detects and removes high- profile viruses. The tool runs on all versions of Windows 2000 or later. This is not a real-time tool but rather an application you run periodically. You can obtain the tool via the Windows
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Wednesday, February 09, 2005 2:14 PM

World's largest Linux migration gets major boost

The world's largest Linux migration is speeding ahead, with the German national railway announcing today that it has successfully moved all of its 55,000 Lotus Notes users to the open-source operating system. http://www.computerworld.com/softwaretopics/os/linux/story/0,10801,99522,00.html?source=x1
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Tuesday, February 08, 2005 9:14 AM

Can I view a list of all applications on my computer that start at boot-up?

A. Sysinternals has a great freeware tool, Autoruns, that gives a graphical view of every application and plug-in that initiates when you start your machine, as the figure at http://list.windowsitpro.com/t?ctl=12FF:451C5 shows. The tool also lets you
Posted by jahil | 1 Comments
Sunday, February 06, 2005 2:27 PM

Portqry TCP/IP connectivity issues

Portqry.exe is a command-line utility that you can use to help troubleshoot TCP/IP connectivity issues. Portqry.exe runs on Windows 2000-based computers, on Windows XP-based computers, and on Windows Server 2003-based computers. The utility allows you
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Saturday, February 05, 2005 10:17 AM

ARP Optimization Feature (IOS 12.3 T)

ARP Optimization Feature Design Require IOS: 12.3 T OR Later ARP is used to map a Layer 3 IP address to a Layer 2 MAC address. A Cisco router stores this mapped information in an ARP table. The ARP table provides MAC rewrite information when the router
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