An awesome collection of courses, books, tutorials, software, and other resources about networking.

• TCP/IP Protocols
• Courses
• Tutorials
• Books
• Software
• Certifications
• Miscellaneous
• License

Note: Links without description are official RFCs from the Internet Engineering Task Force (IETF).

• Address Resolution Protocol (ARP)
• Border Gateway Protocol (BGP)
• Domain Name System (DNS)
• Dynamic Host Configuration Protocol (DHCP)
• File Transfer Protocol (FTP)
• Hypertext Transfer Protocol (HTTP/1.1)
• Hypertext Transfer Protocol Version 2 (HTTP/2)
• Internet Protocol Version 4 (IPv4)
• Internet Protocol Version 6 (IPv6)
• Network Address Translator (NAT)
• Simple Mail Transfer Protocol (SMTP)
• Simple Network Management Protocol (SNMP)
• Secure Shell (SSH)
• Transmission Control Protocol (TCP)
• Telnet
• User Datagram Protocol (UDP)

• Cisco Networking Academy Courses - A various networking courses (Essentials, CCNA, CCNP, etc.).
• CBT Nuggets - An excellent place to start with the courses on various topics (Cisco, Juniper, CompTIA, etc.).
• ipSpace - Contains excellent courses and webinars on various network topics, for both beginners and advanced people.
• GNS3 Academy - A various number of courses related to networking with GNS3 software.
• The Complete Networking Fundamentals Course - The most popular Networking Essentials course on Udemy.

• Networking - A series of YouTube tutorials about networking by Eli the Computer Guy.
• Wireshark Tutorial for Beginners - TheNewBoston Wireshark Tutorial for Beginners.
• MikroTik WinBox Manual - The official manual for MikroTik's WinBox software.

• Computer Networking: A Top-Down Approach (7th Edition) - Excellent book for beginners (and advanced people) in networking.
• Internetworking with TCP/IP Volume One (6th Edition) - A rich introduction book to the TCP/IP protocols and Internetworking.
• Network Security Essentials: Applications and Standards (6th Edition) - A practical survey of network security applications and standards.
• Beej's Guide to Network Programming - A free digital book about socket programming by Brian "Beej" Hall.
• Red Hat Enterprise Linux 7 Networking Guide - The official Red Hat's networking guide for Red Hat Enterprise Linux.
• Practical Packet Analysis (3rd Edition) - An amazing book about analyzing network packets using Wireshark.
• Attacking Network Protocols - A Hacker's Guide to Capture, Analysis, and Exploitation by James Forshaw.
• Cisco Press - Cisco authorized book publisher where you can get all books and official guides for Cisco certifications.
• Automate Your Network: Introducing the Modern Approach to Enterprise Network Management - Probably one of the best books for network automation by John W. Capobianco.

• Online nslookup - An online DNS client to view and debug DNS configuration.
• Online whois - An online whois record tool for getting information about domains.
• OUI Lookup Tool - An online OUI lookup for searching vendors of MAC addresses.
• MXToolbox - A large number of various tools (DNS lookup, MX lookup, Whois, SPF lookup, and more).

• Wireshark - The most popular free and open source network protocol analyzer.
• Tshark - A CLI version of Wireshark.
• tcpdump - A powerful open source command-line packet analyzer.
• NetworkMiner - A network forensic tool for PCAP file analysis.
• Malware-Traffic-Analysis.net - A large collection of malicious PCAP files that can be used to practice packet capture skills.
• Publicly Available PCAP files - A list of publicly available PCAP files for additional training.

• GNS3 - A powerful free and open source network simulator.
• Cisco Packet Tracer - Cross-platform network visual simulation tool designed by Cisco Systems.
• EVE-NG - A powerful network simulator. Both Community and Professional editions are available.
• Cisco Modeling Labs - An online platform that helps network engineers simulate the behavior of Cisco routers, switches, and access points. It is intended for customers from enterprise backgrounds.
• Cisco Virtual Internet Routing Lab (VIRL) - It is a Cisco IOS-based comprehensive network simulation environment. It is intended for all individuals and trainees.

• pfSense - An open source firewall/router computer software distribution based on FreeBSD.
• OPNsense - OPNsense is an open source, easy-to-use, and easy-to-build FreeBSD based firewall and routing platform.
• Open vSwitch - Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license.

• Remmina - An open source remote access tool. It supports RDP, SSH, VNC, and other protocols for remote access.
• PuTTY - One of the most popular SSH and Telnet clients for Windows.
• FileZilla - An open source tool for file transfer. Support FTP, FTPS and SFTP protocols.
• WinSCP - A popular SFTP client and FTP client for Windows.
• SecureCRT - A commercial SSH and Telnet client and terminal emulator by VanDyke Software.
• WinBox - Official MikroTik GUI software for administration of MikroTik RouterOS.

• Nmap - A free and open source software for network discovery and security auditing.
• Zenmap - The official Nmap Security Scanner GUI.
• Draw.io - An open source software for creating network diagrams and topologies.

• Cisco certifications
• MikroTik certified training programs
• Juniper Certification Tracks
• CompTIA Network+

• Network Analysis - An awesome list of network analysis resources.
• Software Defined Networks (SDN) - An awesome list about Software Defined Network (SDN).
• Reddit Networking - Reddit group for networking.
• Reddit homelabbity - Reddit group for homelabs ideas.
• Network Engineering Stack Exchange - A question and answer site for network engineers.
• Server Fault - A question and answer site for system and network administrators.

This repository is under the CC0 1.0 Universal license.