Tshark

How to user Tshark Command capture? Learn with examples.  Tshark is a command-line packet capture tool or program available on both Windows and Linux.  Wireshark is another packet capturing tool, which has a GUI option to analyze the network captures.  With Tshark we can captured bytes over a computer network and displays the capture on-screen or may also save it …

Read moreTshark

What is protocol

What is the protocol in networking? In day-to-day routines, we heard about the term protocol. What protocol means for us?  At a general level, it is a set of rules. If rules are followed globally, then it may be a standard. 3GPP is an organization for developing protocol standards for GSM communication. The English language is a typical example. It …

Read moreWhat is protocol

tcpdump command

Tcpdump command While learning the protocols, it is also essential to have a tool to capture the network packets on the wire.  Tcpdump is a tool or command on Linux,  for capturing network packets on the IP interface.  This works over network interfaces and captures packets at the data link layer level. A computer may have multiple IP interfaces.  Tcpdump …

Read moretcpdump command

SGSN

SGSN or Serving GPRS supported node  SGSN’s full form is, Serving GPRS support node A mobile phone connects to SGSN for the internet while roaming. When a mobile subscriber roams from one location to another, VLR (for voice) and SGSN in the roaming network keeps changing. After how much distance travel the roaming nodes will change, depends on the area …

Read moreSGSN

IMSI

What is IMSI Number? Format and IMSI Vs IMEI? The International Mobile Subscriber Identity(IMSI) is an identity of a subscriber in the Telecom Network. IMSI’s full form says that identity is unique across the globe.  For uniqueness, it follows a hierarchical structure. The length of the IMSI number is 15 digits. The IMSI structure consists of MCC, MNC, and MSIN. …

Read moreIMSI

GIT PUSH

Git Push Command Git maintains local and remote branches for a codebase. A user creates a local copy of the central repository from the remote by using the git clone command.  Upon completion of a feature or new branch, a commit updates the local repository.  Git push command sends the new changes from local to remote, so that other developers …

Read moreGIT PUSH