OTC CatchUp #254 Summary

About OTC CatchUp

OTC CatchUps are weekly informal sessions involving project showcases and technical discussions. They are held every Saturday from 10:30 PM IST. Join in!.
For all summaries, please visit catchup.ourtech.community/summary.

OTC CatchUp #254

Authors: Kartik Soneji · Harsh Kapadia · SirusCodes · Ankush Kapoor

Date: 20-09-2025

Duration: 2 hrs 40 mins

Topics Discussed

Swapnil Borkar talked about his work as a Product Manager and an analytics manager.
Computer Networking
- Harsh Kapadia talked about What happens when you type google.com into your browser and press enter?
- Public vs Private IP addresses
  - Bhavesh Kukreja shared why the private network addresses 192.168.*.\*?
- We talked about How NAT Traversal Works
  - SNAT, DNAT, STUN and TERN servers, etc.
- Harsh explained his dnsmasq and BIND set up for him to work with a DHCP server and a DNS server respectively.
- Harsh mentioned MAC and IP Routing.
- Jaden Furtado mentioned CSMA/CD and OFDM for Wi-Fi communication.
  - Collision Avoidance in Wireless Networks
- Harsh also showcased the dig, traceroute and iptables commands.
Amazing article that explains how Ubuntu is installed on one’s system: How to automate a bare metal Ubuntu 22.04 LTS installation
Bhavesh Kukreja shared his article What Python Lists Really Are
npm had multiple supply chain/peer dependency security attacks: The largest supply-chain attack ever…
The Great Firewall’s Largest Document Leak
Jaden Furtado showed off his reMarkable tablet (and his incredible drawings on the tablet).
Rishit Dagli talked about his article Hopefully the Most Gentle Introduction to Simulation

Attendees

Bhavesh Kukreja
Harsh Kapadia
Hritik Jaiswal
Jaden Furtado
Naufil Asar
Rishit Dagli
Sahil Prasad
Swapnil Borkar
Wilfred Almeida
Advait Jadhav
Janvi Matani
Jatin Lachhani
Krupal
Mahesh Patel
Mohammad Kaif
Mohammad Sohail
Pranav Prasanna
Raghav Rathi
Rishi Setpal

Meet Screenshot

Oops, we forgot to take a screenshot this time

For all summaries, please visit catchup.ourtech.community/summary.

Want to improve the content of this page?

Want to get more involved? Learn how to contribute.

We rise by lifting others.

— Robert Ingersoll

Kindness always wins.

— Selena Gomez

Alone we can do so little; together we can do so much.

— Helen Keller