Category Networks

IPv6

IPv6 was developed to substitute IPv4, as it was expected to run out of addresses. IPv6 Address An IPv6 address uses 128 bits. While IPV4 is represented by decimal numbers, IPv6 uses hexadecimal numbers. There are 8 blocks of hexadecimal…

Free VPN

This post summarizes some Virtual Private Network (VPN) services that are available for free. List of free VPN services List of free VPN services: Linux Fu VPN VPN Gate Tor HideMyAss hide.me Whoer.net Free Web Proxy SwitchVPN VyprVPN Linux Fu…

IPv4

This post explains briefly the network protocol IPv4 and summarizes the main aspects of it. IPv4 Address An IPv4 address represents a single device on an IP network. An IPv4 address consist of 32 bits. Example: 11000110001100110110010000000000 These 32 bits…

Wireshark

      Filters TCP Ports tcp.port Filters the tcp port/s of packets displayed. Example: tcp.port == “21”   HTTP Request Methods http.request.method Possible values: get post Example: http.request.method == “POST”   Contains cookies http.cookie Example: http.cookie   External references…