UDP Analysis

How Traceroute Works ? Interview Question

How Traceroute works ? How to find network path ? Explanation in English In this video explained about how traceroute works and How TTL value used to find the path and round trip latency.

Fiddler tool can be uses to debug web applications.

Here is the video, how to setup fiddler.

https://youtu.be/bgy1Jio99Pc

Application Debug Using Fiddler - Tool In this lesson explained about Fiddler tool Installation and Capturing the logs

DNS packet capture analysis using Wireshark.

DNS Packet Capture - Review | UDP Analysis In this video explains about DNS request and response using Wireshark tool. One of the good working scenario.

How to ping a computer?
How to telnet to a computer?

How to PING from Computer ? How to Telnet from Computer ? Traffic Analysis using Wireshark tool. In this lesson I explain about continuous PING, Telent, 3way TCP handshake between two hosts and also analyze traffic using Wireshark tool.

In this lesson going to explain how to read MTR results in 3 scenarios.
1. Without Packet loss
2.With Packet loss due to ICMP limitation
3.Potential packet loss due to ISP /service side problem.

You can install MTR utility in Windows /Linux machines. Portable versions also available.

MTR (Network Utility output Explanation) -Packet loss, latency, Network issues, Routing. In this lesson going to explain how to read MTR results in 3 scenarios.1. Without Packet loss2.With Packet loss due to ICMP limitation3.Potential packet loss...

https://youtu.be/oh6JADPjy7g

UDP Analysis - DNS UDP Packets using Wireshark In this video explains about how DNS packet looks in Wireshark capture for valid and invalid domain resolution.

In this video explains about how DNS UDP packet looks in packet capture.
Scenarios explained

1. Valid domain resolution
2.Invalid domain resolution

https://youtu.be/oh6JADPjy7g

UDP Analysis - DNS UDP Packets using Wireshark In this video explains about how DNS packet looks in Wireshark capture for valid and invalid domain resolution.