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- Configure Cisco routers to use Active Directory authentication -- the router side
- Fallback warning?Thanks for the guide, this is something i have been working on for the past few weeks and it confirmed my setup was ok :)Is it possible to configure a warning when the switch failed to talk to the radius server and is attempting to use local auth?Something to...
- Discussion threads 2007-05-11
- What is AAA and how do you configure it in the Cisco IOS?
- You probably use Authentication, Authorization, and Accounting AAA, in some form, every day. But what is AAA in terms of network security? David Davis tells you what you need to know about AAA and the basic configuration for it in the Cisco IOS. by David Davis
- Blog posts 2008-09-19
Additional Resources
- Save money by running a proxy server with the Cisco IOS
- You know that a Cisco router can double as a VPN server or a firewall, but did you know that it also has HTTP proxy server capabilities? See how to set up an economical proxy server with the Cisco IOS.If you're looking to contain expenses by consolidating your network infrastructure...
- Technical articles 2002-05-08
- Take advantage of the Cisco IOS Web server on your router
- Many network administrators aren't aware that they can use a Cisco router as a Web server. While it's not always the best solution, it can definitely serve in a pinch. Find out how you can take advantage of the Cisco IOS Web server on your router. Want to learn...
- Technical articles 2005-02-17
- Master the many uses of the Cisco IOS test command
- The Cisco IOS test command can be a very useful and powerful command in both real-world and lab scenarios. Learn the basics of using this command, and find out about several helpful subcommands. Want to learn more about router and switch management? Automatically sign up for our...
- Technical articles 2005-02-10
- Use the Cisco IOS archive command to archive your router's configuration
- Do you want to create archives of your configuration before every configuration change is made? What was the difference between the configuration you saved last year and the one you saved today? The archive command can help you answer these questions and more. Check it out. What is the...
- Blog posts 2008-05-29
- Take advantage of the Cisco IOS Web server on your router
- Which router models does this work on?I was wondering which models this works on. Does the 2501 have this capability?Wouldn't think you would have the memoryNot modular to expand and they just wouldn't have the flash to do what they are talking about.Also, look at your ios version.Note: I have...
- Discussion threads 2005-02-18
- SNRS - Securing Networks with Cisco Routers & Switches v3.0
- Instantly save $300 off the standard course price when you register on TechRepublic, ZDNet, or BNET! Offer ends June 26, 2009.View Available Dates and LocationsDiscover advanced concepts in IOS router and switch security in this course that starts where IINS v1.0, core training for the CCNA Security Associate ...
- Training 2008-11-01
- Automate security configurations with Cisco IOS 12.3
- The new Cisco Internetwork Operating System IOS version 12.3 contains a very useful feature that allows administrators to automate a number of security functions.Of course, people love anything automatic. We have automatic transmissions in many of our cars, we can set automatic replies to e-mail messages when we are out...
- Technical articles 2003-10-27
- Provide redundancy on your Cisco routers with GLBP
- GLBP is a router redundancy protocol introduced in Cisco IOS version 12.2(14)S. Not familiar with GLBP? Let David Davis introduce you to this protocol and show you how to configure it. Are you familiar with GLBP? I'm willing to bet that a good number of you are not....
- Technical articles 2005-10-06
- Prevent router changes from multiple users with Cisco IOS configuration lock
- Can IOS provide read-only accessHi,Interesting article.Is there anything in the IOS which will only allow accept configuration changes from some users by source IP or authentication ?We need to provide 'read only' access to Cisco switches to allow some staff to view port status, errors etc., but not allow them...
- Discussion threads 2008-10-31
- Learn additional uses for Cisco IOS access control lists
- Network administrators typically use access control lists ACLs to stop traffic or permit only specified traffic while stopping all other traffic. While this is the primary use of ACLs, there are many more possible uses that admins don't always think about. David Davis explores the various uses of ACLs on...
- Technical articles 2005-10-27
- Configure WCCP on your Cisco IOS router
- What is the Web cache communications protocol WCCP, and how can it help you? David Davis introduces you to WCCP, tells you about its advantages, and explains how to configure it on a Cisco router. You can use the Web cache communications protocol WCCP to redirect traffic (usually...
- Technical articles 2007-04-12
- Configure WCCP on your Cisco IOS router
- WCCP is the right fit, but the boxes upstream are causing us some grief.Great article Dave; as usual it's very helpful and succinct.As you've described, WCCP is one of the initial parts of the larger solution around getting users safely and reliably out to the Internet. The next part...
- Discussion threads 2007-04-13
- Configure SSH on your Cisco router
- Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell SSH. Learn how to configure SSH on your Cisco router. David Davis has the details. Most IT...
- Technical articles 2005-09-22
- HTTP bug makes nearly all Cisco routers vulnerable
- All administrators of Cisco equipment need to take notice of a newly announced flaw that could compromise many IOS-based products. Nearly all Cisco routers and a number of Cisco switches and other equipment are susceptible to this flaw.A recently discovered bug in the built-in HTTP server of Cisco routers opens...
- Technical articles 2001-07-16
- Configure Cisco routers to use Active Directory authentication -- the router side
- Did you know that you can leverage the Windows Active Directory username/password database to log in to your Cisco routers and switches? Last time, David Davis explained how to install, configure, and troubleshoot Windows' Internet Authentication Service IAS. To wrap up this series, this week he tells you how to...
- Technical articles 2007-05-10
- Use the free Cisco Security Device Manager to work with routers
- If you think the Cisco IOS command line is difficult to use, and you would just like to be able to point and click to monitor and configure your Cisco routers, then Cisco's new Security Device Manager SDM may be just what you're looking for. Plus, if you already have...
- Technical articles 2004-04-16
- L2TP over IPSec on cisco
- Hello there,I've got a situation:about 350 VPN clients are currently using the PPTP Windows 2003 server located at company's HQ. NAT-T port 1723 and GRE IP type packets fowarding is used to this server on internal network from outside Cisco 2801 Integrated service router interface. There are also other two...
- Discussion threads 2007-07-08
- Access Cisco command output from your Web browser
- As you may know, Cisco routers include a built-in Web server, which sports many uses. But did you know that you can use the Cisco IOS Web server to deal with frequently used commands on your core Cisco router? David Davis tells you how to get started, and he offers...
- Technical articles 2006-02-23
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