Posts by Jerry Sheehan
The Top 3 IT Challenges Facing Buffalo Startups in 2025
Experts say Buffalo’s tech sector might grow by over 30% soon. This growth highlights the need for new ventures. It also points to the importance of federal Tech Hub grants and semiconductor projects. Local entrepreneurs are looking at advanced AI and cloud systems. But, these tools bring new challenges. The next parts will explain why…
Read MoreWhy Western New York Is Becoming a Cybersecurity Hotspot in 2025
Experts say cybersecurity jobs in Western New York will jump by double digits by 2025. This trend is getting a lot of attention and opening up new opportunities. Banks, healthcare, and tech companies are all looking for cybersecurity experts. Salaries are going up, and the cost of living in the area is affordable. This makes…
Read MoreUnderstanding TCP Traffic: Insights & Tips
The Transmission Control Protocol (TCP) is key to the internet’s data exchange. It handles billions of packets every second. This keeps devices connected all over the world. TCP makes sure packets arrive in the right order. It uses details like timestamps, ports, and flags for secure communication. It shows how analyzing these can uncover hidden problems.…
Read MoreUnderstanding the IPv4 Header Structure
Over four billion IPv4 addresses are in use today. This shows how widespread this protocol is. Each ip packet starts with an ipv4 header. This header has important fields that help data move across networks. Experts use it to make sure data gets to the right place. IPv4 is a connectionless protocol. It doesn’t guarantee…
Read MoreUnderstanding IPsec for Secure Networks
About seven out of ten organizations use encryption for important data. This shows the growing need for better security in online communication. So, what is ipsec? It’s a set of protocols that encrypt and authenticate packets in networks. The Internet Engineering Task Force created it to fight against eavesdropping and cyberattacks. It acts as a…
Read MoreMastering Precision Time Protocol – Essential Guide
Did you know a timing error of just a few nanoseconds can disrupt critical data exchanges in global trading rooms? This tiny margin shows why experts rely on the precision time protocol, or ptp. It’s the key to consistent synchronization. PTP’s importance has grown as industries need split-second accuracy. This ensures they stay efficient. Modern…
Read MoreUnderstanding Route Reflector Benefits in BGP
In big networks, having an iBGP full mesh means lots of peerings. A single route reflector greatly reduces this, saving a lot of effort and bandwidth. A bgp route reflector makes it easier for peers to share routes. It does this without needing every device to connect with each other. This section shows how it…
Read MoreInter VLAN Routing Explained for Network Pros.
It might surprise you to learn that nearly three out of four network outages are caused by weak segmentation. This shows how important a good VLAN design is. Inter vlan routing makes it easy and safe to share data between different segments. Data from <web_sourse> shows that intervlan routing is key for letting traffic move…
Read MoreEnable SSH on Cisco Devices – Quick Guide to Cisco enable SSH
Did you know over 70% of targeted attacks target unsecured remote access points? This shows how important encrypted connections are in network management. Secure Shell, or SSH, secures your Cisco devices and keeps data safe from unauthorized access. In this quick guide, you’ll learn how to create RSA keys and use a Cisco crypto image…
Read MoreURPF Explained: Secure Your Network Now
Did you know that close to 40% of large-scale attacks use fake IP addresses to get past defenses? This shows how important it is to guard every entry point in your network. URPF acts as a guard, checking each incoming packet’s source IP against a trusted list. It blocks suspicious traffic right away. Many wonder…
Read More