Netopedia

Netopedia is the ultimate network reference guide designed for network engineers, IT students, and tech enthusiasts alike. This comprehensive app offers detailed technical descriptions of essential network protocols such as TCP, UDP, HTTP/HTTPS, FTP, SSH, DNS, DHCP, and ICMP. Explore common ports like 20/21, 22, 25, 53, 80, 443, and more, complete with service mappings for quick reference. Netopedia also includes terminal commands like ping, traceroute, nslookup, netstat, ifconfig, curl, dig, and arp, with syntax examples to help you master network troubleshooting. Dive deep into the OSI model’s seven layers, IP addressing concepts including IPv4, IPv6, subnetting, CIDR, and NAT, as well as network devices such as routers, switches, firewalls, and access points. Learn about wireless technologies including WiFi standards and security protocols like WPA3, TLS/SSL, VPNs, and encryption methods. Built-in tools like a subnet calculator, device info viewer, and quick ports reference make it easy to apply your knowledge on the go. All content is stored locally, so you can access critical networking information anytime without an internet connection.
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