MAC Address Examples

MAC Address Examples

MAC (Media Access Control) Address is used to uniquely identify NICs(Network Interface Cards) in a network. The MAC is heavily used by the Layer 2 Ethernet protocol and assumed as defacto protocol for Layer2 communication. The MAC address consists of 48 bits hexadecimal value. Every mac address is unique in the world theoretically but the … Read more

How To Ping?

How To Ping?

Ping is a term, action, or tool in order to check the network connectivity to the remote hosts or websites. Ping command is the implementation of the ping action where network packets are sent to the remote host and responses are expected. Ping command is used with the IP networks whereas ICMP protocol is used … Read more

Port 445 (SMB-Microsoft Directory Services)

Port 445 (SMB-Microsoft Directory Services)

You are seeing some port numbers or network communications that occur over port 445. What is port 445 registered for? Port 445 is mainly used and registered for the “SMB over IP” communication whereas the SMB is used for Microsoft Directory Services. Actually the SMB or “NBT over IP” uses the port range 137-139 but … Read more

What Are LDAP and LDAPS Port Numbers?

What Are LDAP and LDAPS Port Numbers?

LDAP or Lightweight Directory Access Protocol is a protocol used to provide open and standard access for directory information like users, file shares, permissions, etc. LDAP is created by the IETF as an open standard and different RFCs are created to explain details of the LDAP protocol. The LDAPS is the secured version of the … Read more

How Do I Find The MAC Address On My Computer?

How Do I Find The MAC Address On My Computer?

The MAC (Media Access Control) Address is a unique address assigned to every network interface for the Ethernet, Wireless, and Bluetooth cards. The MAC address is also called an Ethernet address too. MAC address generally matched with an IP address in order to communicate in a LAN with the gateway and other hosts in the … Read more

FTP (File Transfer Protocol) Port Numbers

FTP (File Transfer Protocol) Port Numbers

FTP or File Transfer Protocol is a network protocol used to transfer (upload and download) files and folders via a network. The FTP uses network sockets for communication. FTP is implemented in the TCP protocol for reliability and security. The FTP uses TCP port number 21 in order to start and control FTP transmission. But … Read more

How To Use Telnet To Test Open Ports (Windows, Linux, and MacOSX)?

How To Use Telnet To Test Open Ports (Windows, Linux, and MacOSX)?

The telnet is an application protocol used to connect remote devices over the network. Telnet provides text-oriented communication between local and remote hosts. Even the telnet is created to manage devices remotely via the command line interface it is also used to test open ports. As the telnet protocol and command use the TCP it … Read more

How To Update Google Chrome (on Windows and Linux)?

How To Update Google Chrome (on Windows and Linux)?

Google Chrome is a popular web browser that is the most used web browser on the earth. Google Chrome is actively developed by Google and every six weeks a new major version is released. This update contains bug fixes, security patches, and new features. This means we should update Google Chrome every six weeks to … Read more