Academic writings and technical notes by Towfiq Omar Rakin
My newest writing
CTF Challange writeup - Choppy from TAMUctf 2026
Network Protocols
A comprehensive guide for network engineers and security analysts covering OSI layers, protocol analysis, and Wireshark techniques.
| Section | Topics |
|---|---|
| Fundamentals | OSI Model, Ethernet, ARP, IPv4/IPv6, ICMP |
| Transport Layer | TCP Deep Dive, UDP, Ports |
| Application Layer | DNS, HTTP/HTTPS, DHCP, FTP, SSH, SMTP |
| VoIP | SIP, RTP, RTCP, SDP |
| Wireshark | Filters, Analysis Workflow, Cheatsheet |
3-1 Semester
Operating Systems
Database Management Systems (DBMS)
Data Communication
Microprocessor & Assembly Language (MMAL)
Compiler Design
// Height = your height in inch
// CGPA = Your overall CGPA
Salami = max(0, Height-72) * max(0, CGPA-3.8) * 10