Throwback Thursday: Networking “5,4,3” Rule…

Back in the day there was an old rule we called the “543” rule. The 5-4-3 rule divides the network into two types of physical segments: populated (user) segments, and unpopulated (link) segments. User segments have users’ systems connected to them. Link segments are used to connect the network’s repeaters together. The rule mandates that […]

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Setting Up SSH On The Cisco ASA

SSH access is critical when it comes to managing your networking equipment. In this tutorial I will show you how to enable SSH access on the Cisco ASA. Just enter the following commands in a configuration terminal and you will be all set. asa(config)# crypto key generate rsa general-keys modulus 2048 asa(config)# username testuser password […]

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Setting Up SNMP on Juniper Switches

This is a pretty easy process, but is critical for the long term management of our networking infrastructure. In order to setup SNMP on the Junipers, these are the steps that must be followed. Use the information contained within this tutorial as well so that all devices have the same SNMP settings. Log into the […]

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Configuring LLDP for Cisco & Juniper Switches

The Link Layer Discovery Protocol is a vendor-neutral link layer protocol in the Internet Protocol Suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, principally wired Ethernet. Ideally, this is great to use to make sure that switches are talking to each other prior to […]

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Adding a DHCP Scope to a Juniper Switch

Using the information below, we will setup DHCP on the Juniper QFX5110. This tutorial is assuming that you have already setup VLAN’s and assigned them to whichever port. We will assume that the port in this instance is VLAN 152. VLAN ID: 152 VLAN Name: AGENCY-DHCP VLAN IP: 10.10.152.1/24 Log into the switch VIA SSH/Console/Telnet/etc… Once logged in, enter […]

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Adding VLANs to a Juniper Switch

I absolutely love Junipers products, but coming from a Cisco background they are a tad bit different when it comes to configuring. These beasts run off of JunOS, which to my understanding is a variant of CentOS. If you are a Linux nerd like myself, this shouldnt be an issue for. Using the information below, […]

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Install Kali Linux Tools in Ubuntu.

If you are like me, you don’t want to deal with the overly bloated interface that Kali presents you with. Though Kali Linux is a great distro altogether, it can become quite cumbersome quickly. If you are a native Linux user, then this should be a godsend for you if you are looking to get […]

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Is 2FA Useless?

Researchers at Google have noticed that the frequency of phishing attacks crafted around 2FA has increased drastically. These new attacks are designed to "re-route" SMS (text message) based authentication codes to the attacker without the victim's knowledge.

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Gotta Love Automation – Part 1

I am currently working on automating most... well, pretty much all, of my business and daily life.

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Save Money By Automating Your Utilities

Jolin Consulting is now offering smart home/business consultation services!!!

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