After an upgrade to my oh-my-zsh software, I was getting a bunch of errors like the ones below: [oh-my-zsh] Insecure...
Well….I passed the CCIE Routing & Switching Lab just not on the same day. I still feel good I was...
Below I’m going to go over a simple BGP configuration that’s used with AWS Direct. You need to get the...
nmap --traceroute --script traceroute-geolocation {DOMAIN} NOTE: You need to run this with elevated privileges. ❯ sudo nmap --traceroute --script traceroute-geolocation...
SSL CERT: To retrieve a server’s SSL certificate: nmap –script ssl-cert -p 443 {DOMAIN} ➜ ~ nmap --script ssl-cert -p...
This post is a high-level design questionnaire that can be used to gather information from a customer’s environment to plan...
Cisco NXOS and IOS are two different operating systems used on different Cisco devices. NXOS is used on Cisco’s Nexus...
DNS name servers are usually split into two categories:...
#VLSM (Variable Length Subnet Mask) SUBNETTING: This is basically taking a large subnet and dividing it out into smaller subnets....
I was once asked, what happens when SMTP gets reset/blocked, do the end users get a notification....