Build, Attack, & Defend Networks

Series

Junior Network Engineer

In this series, I will showcase my skills in networking to simulate routing/switching, ACL configurations, implementing protocols (ie. SSH, DNS, NAT, DHCP, etc), and more.

Articles in this series

A DMZ Network with NAT/PAT and ACLs

Oct 2, 20244 min read

DMZ <What> A Demilitierezed Zone (DMZ) is a network that separates the internal network from the external network. I like to think of a DMZ network as...

A DMZ Network with NAT/PAT and ACLs

Configuring DHCP and DNS

Sep 16, 20242 min read

DHCP <What> Dynamic Host Configuration Protocol (DHCP) is a networking protocol that operates on UDP ports 67 and 68. DHCP allows hosts to...

Configuring DHCP and DNS

Exploring DNS with dig

Sep 16, 20243 min read

<What> The Domain Name System (DNS) is a protocol that translates domain names into IP addresses. Often referred to as the "phonebook of the...

Exploring DNS with dig

Configuring HSRP & IPsec over GRE

Jul 25, 20242 min read

<What> Hot Standby Router Protocol (HSRP) is a Cisco proprietary First Hop Redundancy Protocol (FHRP) that provides high network availability by...

Configuring HSRP & IPsec over GRE

Configuring VLANs

Jul 15, 20242 min read

<What> This not only improves security by minimizing the window of possible threats by isolating critical systems and public-facing servers into...

Configuring VLANs

Configuring OSPF

Jul 8, 20242 min read

<How> This dynamic routing protocol is Open Shortest Path First (OSPF), and OSPF is a link-state routing protocol. When using a link-state routing...

Configuring OSPF