Tag: cisco ios

News (32)

• Cisco releases 'critical' updates

  Networking giant Cisco has published a raft of security advisories as part of its biannual patch-release schedule.

• Rootkit threatens Cisco routers

  Cisco and the security community are debating the reality of rootkits attacking the Cisco's Internetwork Operating System (IOS) after a researcher presented a proof of concept attack, which threatens Cisco routers and voice over IP phones.

• Cisco patches security flaws in number of products

  Cisco Systems has released a security patch to fix vulnerabilities in a number of its products that are at risk of a denial of service attack.

• Voice and data stumble at the altar

  Is convergence breeding a new brand of communications manager with skills in both voice and data?

• VPN flaws cause router patching nightmare

  Multiple vulnerabilities found in a VPN protocol used by most router vendors means that administrators are once again being advised to patch their network hardware, which is a far bigger issue than patching servers or desktops.

Features and Case Studies (14)

• Using a USB flash drive with your Cisco router

  Using a USB drive to transfer setting to a Cisco router has many benefits. Among others, it can hold multiple configurations and copies of the Cisco IOS and it will speed up the copying process. Here's how to use a USB flash drive with a Cisco 871W router.

• How to configure a new Cisco router

  When it comes to configuring a new Cisco router, much of the configuration depends on what type of router it is as well as the purpose it will serve. However, every administrator has his or her own list of commands they use to configure every router "just right." This week, David Davis shares his own list of 10 commands to configure on every router.

• Open-source tools for networking

  A myriad of open-source products for administering networks is readily available. We look at a few that are particularly useful to Cisco administrators.

• Replace Telnet with SSH for better security

  If you're using Telnet to control network devices, you should consider switching to something more secure. This tip tells you how to replace Telnet with Secure Shell (SSH).

• Kerberos flaws affect Cisco, Mac

  Learn about the dangers from a series of newly discovered serious vulnerabilities in the Kerberos authentication software.

Videos (1)

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  Five Cisco IOS tips to save time

  Keeping your Cisco equipment configured for optimal performance can be a time-consuming process. In this IT Dojo video, Bill Detwiler demonstrates five, time-saving tips for working more efficiently with Cisco IOS commands.

Reviews (1)

• Voice over IP: Security, stability, success

  If you're thinking about voice over IP, we take a look at the steps involved in getting it set up and what's on offer from four major vendors.

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