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Answers: Protecting CLI Access 2

Answers: Protecting CLI Access 2

🕔09:10, 31.Aug 2016

This lab was pretty direct: configure an ACL and use to to protect CLI access rather than filter packets being routed by the router. You know the drill – read lab, do lab, check here.

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Protecting CLI Access 2

Protecting CLI Access 2

🕔09:05, 29.Aug 2016

This latest lab is relatively straightforward while being very useful. Many enterprises make a habit of adding an ACL to filter inbound Telnet and SSH attempts into a router or switch. Today’s lab gives you a chance to work through

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Answers: Protecting CLI Access 1

Answers: Protecting CLI Access 1

🕔09:10, 16.May 2016

How do you protect the CLI by preventing Telnet and SSH access, without matching every last interface IP address on a router? Today’s lab gives you a chance to explore and practice that configuration. Check the lab requirements in the

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Protecting CLI Access 1

Protecting CLI Access 1

🕔09:05, 13.May 2016

Routers support a method to filter incoming Telnet and SSH connections to that router. That method uses ACLs, but not to filter packets coming in each and every interface, but with a configuration method tied to the vty lines that

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Standard Named ACL 1

Standard Named ACL 1

🕔12:05, 14.Jan 2016

Standard named ACLs follow a nice simple format, which is great for getting started with ACLs. This next lab gives you some exercise on the basic syntax, while throwing in a few issues related to the application of the ACL.

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Answers: Standard Numbered ACL 1

Answers: Standard Numbered ACL 1

🕔12:05, 2.Jan 2016

Your answers from the previous lab exercise should result in a lot of thinking, and about 5-6 lines of configuration on a single device. Admittedly, I expect to see a variety of answers to this lab, so feel free to

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Standard Numbered ACL 1

Standard Numbered ACL 1

🕔12:05, 30.Dec 2015

Write a 1-line ACL to match something? Easy. Write a several line ACL with a bunch of requirements? A little harder. Choosing where to put that multi-line ACL, when the ACL requirements span multiple subnets? Yet another bump. Combining all

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ACL Drill Set 3 – Answers

ACL Drill Set 3 – Answers

🕔09:05, 19.Oct 2015

This post makes no sense without the questions from the previous post, so check those out if you’ve not done so already. The questions list ACLs that were typed in a text editor, so they could list an IP address

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ACL Drill Set 3

ACL Drill Set 3

🕔09:05, 15.Oct 2015

Today’s post lists several ACL interpretation exercises. Below the fold, you’ll find several ACEs (ACL commands) as typed in a text editor. For each ACL, you must answer two questions: 1) what range of addresses does each ACE match? 2)

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Answers: ACL Drill Set 2

Answers: ACL Drill Set 2

🕔09:05, 27.Jul 2015

Today’s post lists the answers to ACL drill set 2. What’s that? Check out this post that explains the details. No stopwatch, no speed requirement for these, unlike the subnetting speed practice. Answers are below the fold!

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