Tshoots
19/Jul/24 Windows blue screen or Crase due to CrowdStrike endpoint patch mistake, worked from 12:30 PM IST till 12:00 AM IST, issue fixed by replaci…
Who Am I ?
I have been working in IT for nearly 6+ years and have created these resources as a way to help others learn from the experience I have had in the industry.
Palo Alto Syllabus Blueprint
Here's a structured syllabus blueprint based on the provided points: ### 1. Introduction to Palo Alto Firewall - Overview of Next Generation Fire…
Use case for AWS endpoints and endpoint services:
**Use Case: Private Connectivity to AWS Services** **Scenario**: Imagine you're building a highly secure application in AWS that needs to acces…
ESXi
I understand that you would like to learn how to install ESXi in this article. ESXi software stands for Elastic Sky X Integrated and is a type 1 or…
Firewall / NGFW /UTM
=>A stateful firewall monitors and regulates the status of network connections as they travel through it. It keeps track of each connection'…
In Cisco networking, "default-gateway" and "default-network" are related but distinct concepts.
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Network design Rules
IGP & EGP protocols: • IGP category protocols work within AS • EGP category protocols work between AS …
Job roles for a Network Engineer at the L1 level
As a Network Engineer at the L1 (Level 1) level, your job roles typically involve entry-level tasks and responsibilities related to the design, imp…
"Closing the Loop: Exploring the TCP Four-Way Handshake for Connection Termination"
TCP (Transmission Control Protocol) uses handshakes to establish and terminate connections between devices. The three-way handshake is used for con…
"Unleash the Power: Cool Windows Command-Line Tools for Network Troubleshooting"
In Windows, there are several command-line tools commonly used for troubleshooting network issues. Some of these tools include: ipconfig /all : Disp…
"A CONNECTION SUMMARY FOR ANY WEBSITE OR APPLICATIONS"
DNS Lookup Process TCP/IP Connection Firewall HTTPS/SSL Load Balancer Web Server Application Server and Database (if applicable) Rendering the Page
"Recursive or non Recursive Queries"
When a client or DNS server requests a DNS server to resolve a domain name it can use a recursive or non recursive query. Recursive queries are …
"Exploring DNS Routes with SMNS"
“what happens when you type an URL in your browser address bar and hit the Enter key” So, what exactly happened after I hit the Enter key? My brows…
Cloud Disaster Recovery Strategies
Any DR strategy starts with finalizing: 𝟭. 𝗥𝗧𝗢 (𝗥𝗲𝗰𝗼𝘃𝗲𝗿𝘆 𝗧𝗶𝗺𝗲 𝗢𝗯𝗷𝗲𝗰𝘁𝗶𝘃𝗲): How much downtime one can accept ? 𝟮. 𝗥𝗣𝗢 (?…
iBGP Rules:
iBGP: - iBGP Rules: Rule 1 – Must be in same AS Rule 2 – TTL is 255 (doesn't have to be directly connected) Rule 3 – If route learned from a iB…
Resetting the network stack
Resetting the network stack Note that these commands affect all of your networking adapters, both physical and virtual, both used and unused, so …
CISCO SDWAN
Basic Architecture : Controllers : Vmanage , Vsmart , Vbond ( Always Software) Edge device : Vedge / Cedge ( Always Hardware ) Controllers can be hos…