Network technologies and trends:

Security


October 12, 2008  5:17 AM

How to configure SNMPv3 in a Cisco Catalyst Switch – Series 1



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 3560, Cisco 3560-E, Cisco 3745, Cisco 6500, Cisco IOS, Cisco Learning, Cisco Tips, IOS commands, RFC3410, Security, SNMP, SNMP Version 3, SNMPv3, Switches

Configuring SNMP Version 3 in a

September 24, 2008  6:27 PM

How to turn a Cisco Router into ASA..



Posted by: Yasir Irfan
ASA/PIX, Basic Firewall, Cisco, Cisco ASA, Cisco IOS, Cisco IOS Firewall, Routers, ZFW

Guess what your Routers  support zone-based policies, which really helps with multi-interface restrictions (rather than just one outside & one inside interface with individual access list applications). Likewise, it now supports application inspection to catch those scandalous...


September 16, 2008  7:55 AM

How to enable browsing with multiple subnets(VLANS) through Microsoft ISA Server 2006



Posted by: Yasir Irfan
Internet Browsing, ISA Server, Microsoft, Microsoft ISA, Networking, Servers, Subnets

Other day we installed Microsoft ISA Server 2006 for Internet Browsing as...


August 12, 2008  6:56 AM

Juniper Networks launches Network and Security Manager (NSM)



Posted by: Yasir Irfan
Juniper, Network and Security Manager, Network Security, NSM, Routers, Security, Switches

Juniper Networks is expanding its network and security management capabilities across routing, switching and security infrastructure with the launch of the Network and Security Manager (NSM).

The...


August 4, 2008  5:26 AM

MySpace & Facebook targeted by worms says Kaspersky Lab



Posted by: Yasir Irfan
Facebook, Internet Security, Kaspersky, MySpace, Network Security, Security, Worm

Security company Kaspersky Lab is warning of a new worm that targets MySpace and Facebook users.The worm variants are spread through the popular social networking sites, turning infected machines into zombies - PCs illicitly controlled by hackers to carry out tasks like...


August 2, 2008  6:43 AM

Show Commands in Cisco Routers and Layer 3 Switches(Most commonly used)Series -1



Posted by: Yasir Irfan
ASA/PIX, Cisco, Cisco 2950, Cisco 3560, Cisco 3560-E, Cisco 3745, Cisco 3750-E, Cisco 525, Cisco 6500, Cisco Tips, IOS commands, PIX 525, Router Troubleshooting, Routers, Show commands, Switches

Some of the widely used commands in Cisco routers are just simple unavoidable, among the most commonly used commands in a Cisco Routers are “show” commands. These commands are essential to Network Administrators. Here is a list of those commands. I...


July 30, 2008  12:59 PM

Network Inventory and Configuration Management



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 3745, Cisco 6500, Cisco Tips, Configuration Management, Network Inventory, Networking, Open Source, Routers, SNMP, Switches, ZipTie

We all know much about Kiwi Syslog Software.  For many years I am using Kiwi Cat tools for configuration management and automate many of daily tasks. Kiwi Cat tool really helped me to perform many tasks like configuration backup, telnet, SSH and much more....


July 13, 2008  6:03 AM

Sample I.T. Security Policy – Internet Security



Posted by: Yasir Irfan
Cisco, Exchange, Internet Security, Linux, Microsoft Windows, Mobile, Network Documentation, Network Documentation Policy, Network Policies, Networking, Policies, Routers, Security, Servers, Switches

Finally we are completing this series; here we go with the last topic. It’s Internet Security Policy which is very important to have for any organization. I would welcome your comments which may encourage me to come up with more interesting stuff....


July 9, 2008  12:03 PM

Open Source Network Gateway



Posted by: Yasir Irfan
Content Filtering, Gateway, Linux, Network Gateway, Networking, Open Source, Open VPN, Protocol Control, Spam Blocker, Untangle, VMware

In our organization internet management was a big issue, since we had no budget allocated to Internet management I was worried? How should I control our internet usage? Tried to convince the management to buy content filtering appliances, unfortunately...


July 8, 2008  8:20 AM

Sample I.T. Security Policy – Remote Access Security



Posted by: Yasir Irfan
Cisco, Microsoft Windows, Network Documentation Policy, Network Policies, Network Security, Networking, Policies, Remote Access Secuirty, Security, Server Security, Servers

Finally we are almost proceeding towards the completion of the Sample I.T Security policy, we have just two more topics to cover. Coming days I will try to complete that, here we are with Remote Access Security


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