Angry IP scanner is a very fast IP address and port scanner which is popular amongst systems administrators. It is cross-platform and lightweight where it can be installed easily. Angry IP scanner comes without a cost. Angry IP scanner can resolve NetBIOS protocol, computer names, workgroup name, currently logged in...
Local Area Network is a computer network where computers in the same location or group are connected together and shares common communication lines. Local Area Network is mainly expressed as LAN which is a very popular term in computer network and IT. LAN Components LAN will have very simple topology...
Today Firewall is depicted as the main component of the security and networks. Firewalls provide a lot of different operations and features. In the old days, the firewall was simply used to block or allow some ports and management of the NAT. In these days there are a lot of...
Network Address Translation a.k.a. NAT is a process or technique used to change IP address and TCP port numbers by an intermediate device like firewall, router, modem etc. There are different use cases for NAT but the most popular one is to use a single WAN IP address for multiple...
Technical or not most of the people know the router word. Those who know the router can understand a different thing from the word. In this tutorial, we will try to explain what is a router in a technical and non-technical way with router functions, router types and router security....
nslookup is a very powerful tool used to get DNS realted information from DNS servers. We can get web server IP address, Mail Server IP address, Alternative IP addresses, DNS Management Information etc from DNS servers with the nslookup command. Query and Print A Type Records We will start with a...
Telnet is a command line protocol used to manage different devices like Server, PC, Router, Switch, Camera, Firewall remotely. Telnet is a very simple protocol which provides simple remote connection and sending commands or data to the remote network connection. This makes telnet very popular among IT systems. Telnet generally...
IP addresses are the core mechanism of the Computer networks. The IP address is used to specify the host to communicate and transmit data. There is two type of IP address configuration mechanism. Dynamic and Static. In this tutorial, we will examine the static IP address configuration. Static IP Address Static means...
MD5 is a checksum or hash calculation method for files. MD5 checksum consists of 128-bit value which is generally expressed as the hexadecimal format with which consist of 32 characters. MD5 Attributes MD5 is a cryptography algorithm which provides some attributes which make it useful for different cases like security, operation...
Domain Name System aka DNS is used to match domain names to the IP addresses. DNS is provided over intranet and internet servers with different port numbers. TCP or UDP DNS can use both transmission protocols TCP and UDP. But general usage is over UDP protocol because of its simplicity...
