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Secure your router with Cisco's SDM Firewall Policy Wizard
Cisco's Security Device Manager (SDM) now boasts the Firewall Policy Wizard, which you can use to create a firewall. David Davis walks you through the process.
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Control unwanted traffic on your Cisco router with CAR
If you're sick of unnecessary traffic clogging up your network, you don't have to take it anymore. You can manage that unwanted traffic using committed access rate (CAR)—or "rate l...
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Lock down Cisco switch port security
One way to boost network security is to use Cisco's Port Security feature to lock down switch ports. In this edition of Cisco Routers and Switches, David Davis introduces you to th...
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Learn the benefits of Cisco's Security Device Manager (SDM)
SDM is a free Web-based utility that helps manage your routers, and it comes preinstalled on new Cisco routers. As you can tell by its name, one of SDM's primary offerings is secur...
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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...
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Firewall FAQ
Here are 15 frequently asked questions regarding firewalls. We've also provided some additional resources for your research.
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SolutionBase: Fortinet firewalls provide more bang for the buck than Cisco PIX
Here's a look at the process that one administrator went through in evaluating whether to build out a site-to-site VPN with Cisco PIX firewalls or Fortinet firewalls.
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SolutionBase: Use the free Cisco Security Device Manager to work with routers
Learn how to install and use Cisco's Java-based Security Device Manager (SDM) to manage and monitor Cisco routers.
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Product Review: Cisco's PIX puts the enterprise in firewalls
Features of Ciscos PIX line of enterprise firewalls
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Build Your Skills: Create a poor man's firewall with the Cisco IOS
Uncovers a little-known secret regarding a built-in feature set for creating a firewall and intrusion-detection system within the Cisco IOS router