Part 2 “Intruder Alert!”

ospf2     We did a lot of work yesterday trying to fix the network. The Information Security Specialist at the county sheriff’s office informed us that the intruders got into the network by “TELNET”

 Unfortunately, our previous network engineer didn’t use SSH also known as (secure shell) and we have been open to the internet for some time! I guess it was only a matter of time until someone infiltrated us? As network engineers, make sure you LOCK IT DOWN with passwords, logins, and encryptions. Another way to help secure your networks are by using firewalls, ACL’s, restrict ports, and physical connections.

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Static Routing & Trouble Shooting. {LAB}

Static routes are an easy way to connect a few nodes together!

How ever, it can become extremely tedious work if your network grows into a larger enterprise!

Wanna play?

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To be a Network Engineer or not to be?

“All roads lead to Rome…” Routes,  infrastructures, hidden passages, tunnels……railroads.

   As I’ve mentioned before, I love Packet Tracer. I love playing with the commands and building new and interesting networks.

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Can you Subnet?

subnetbinaryIf you’re like me, you can’t. Well I couldn’t anyways………I was a mess at it.

I tried everything, videos, forum after forum, blog after blog, nothing made sense.

No. I didn’t find some magical cure nor some special equation. It just took time, patience, and Advil.

Eventually I got it, it clicked. The light enumerated!

I’ll show you which sites worked for me and how I was able to master binary/subnetting.

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