Enhance Your Learning with Wireshark Software Flash Cards for quick understanding
A free and open-source network protocol analyzer used for network troubleshooting, analysis, software and communications protocol development, and education.
A unit of data transmitted over a network. In Wireshark, packets can be captured and analyzed to understand network behavior and diagnose issues.
A filter used to selectively capture network traffic based on specific criteria, such as source/destination IP address, port number, or protocol.
A filter used to selectively display captured network traffic based on specific criteria, such as protocol, IP address, port number, or packet content.
A feature in Wireshark that displays the protocol stack of captured packets, allowing users to analyze network traffic at different layers.
A feature in Wireshark that allows users to reconstruct and view the entire conversation of a TCP stream, making it easier to analyze network communication.
A graphical representation in Wireshark that displays network statistics over time, helping users visualize network behavior and identify anomalies.
A feature in Wireshark that provides warnings and information about potential issues or anomalies in captured network traffic, assisting in troubleshooting.
Customizable rules in Wireshark that assign colors to packets based on specific criteria, making it easier to visually identify important packets or patterns.
The process of interpreting and understanding the contents of captured packets, allowing users to analyze network protocols and troubleshoot issues.
The suite of communication protocols used for transmitting data over the internet. Wireshark can analyze and dissect TCP/IP packets for network analysis.
The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the internet. Wireshark can capture and analyze DNS traffic.
The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. Wireshark can analyze HTTP traffic for web debugging and analysis.
The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network. Wireshark can capture and analyze FTP traffic.
The Secure Shell (SSH) is a cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services. Wireshark can capture and analyze SSH traffic.
The Address Resolution Protocol (ARP) is a communication protocol used for discovering the link layer address, such as MAC address, associated with a given network layer address, typically IPv4. Wireshark can capture and analyze ARP traffic.
The Internet Control Message Protocol (ICMP) is a network protocol used for sending error messages, operational information, and diagnostic messages. Wireshark can capture and analyze ICMP traffic.
The Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are cryptographic protocols that provide secure communication over a computer network. Wireshark can capture and analyze SSL/TLS traffic.
The maximum data transfer rate of a network or internet connection. Wireshark can measure and analyze bandwidth usage to identify potential bottlenecks or performance issues.
The time delay between the sending and receiving of data packets over a network. Wireshark can measure and analyze latency to identify network delays or performance issues.
The amount of data that can be transmitted over a network or internet connection in a given period of time. Wireshark can measure and analyze throughput to assess network performance.
The retransmission of TCP packets that were not acknowledged by the receiving end, typically due to packet loss or network congestion. Wireshark can identify and analyze TCP retransmissions.
The process of converting domain names into IP addresses. Wireshark can capture and analyze DNS resolution requests and responses to troubleshoot DNS issues.
The amount of data that can be sent by a sender before receiving an acknowledgment from the receiver. Wireshark can analyze TCP window size to assess network performance and congestion.
A type of denial-of-service (DoS) attack where an attacker floods a target system with a large number of SYN packets, overwhelming the system's resources. Wireshark can detect and analyze SYN flood attacks.
A mechanism used to ensure that a TCP connection remains active and does not time out due to inactivity. Wireshark can capture and analyze TCP keep-alive packets.
Numeric codes sent by a web server to indicate the status of a HTTP request. Wireshark can analyze HTTP response codes to troubleshoot web server issues.
A TCP extension that allows for larger window sizes, improving network performance and throughput. Wireshark can analyze TCP window scaling to assess network behavior.
A mechanism used by TCP to quickly retransmit lost packets without waiting for a retransmission timer to expire. Wireshark can identify and analyze TCP fast retransmissions.
Small pieces of data stored on a client's computer by a web browser, used to remember user preferences and track user activity. Wireshark can capture and analyze HTTP cookies for web debugging and analysis.
A condition where the receiving end of a TCP connection advertises a window size of zero, indicating that it cannot receive any more data. Wireshark can detect and analyze TCP zero window conditions.
The duration of inactivity after which a TCP connection is considered idle and may be closed. Wireshark can analyze TCP keep-alive timeout values to assess network behavior.
A mechanism used by web servers to redirect a client's request to a different URL. Wireshark can analyze HTTP redirects to troubleshoot web server configuration issues.
TCP packets that arrive at the receiving end out of sequence, typically due to network congestion or packet reordering. Wireshark can identify and analyze out-of-order packets.
The process of storing web page resources on a client's computer to reduce server load and improve page load times. Wireshark can capture and analyze HTTP caching headers.
A duplicate acknowledgment sent by the receiving end of a TCP connection to indicate that it has received out-of-order packets. Wireshark can detect and analyze TCP duplicate acknowledgments.
A technique used to reduce the size of web page resources for faster transmission and improved performance. Wireshark can capture and analyze HTTP compression methods.
A TCP packet used to update the receiving end's window size, allowing for more data to be sent. Wireshark can analyze TCP window update packets to assess network behavior.
A mechanism used by TCP to determine if the receiving end's window size has increased after being zero. Wireshark can detect and analyze TCP zero window probes.
A process where a web server requests user credentials to verify their identity. Wireshark can capture and analyze HTTP authentication headers for troubleshooting authentication issues.
The frequency at which TCP keep-alive packets are sent to ensure that a connection remains active. Wireshark can analyze TCP keep-alive interval values to assess network behavior.
A type of web vulnerability where an attacker injects malicious scripts into web pages viewed by other users. Wireshark can capture and analyze HTTP requests and responses for XSS attacks.
The process of reassembling out-of-order TCP packets into the correct sequence for proper analysis. Wireshark can reassemble and analyze out-of-order packets.
A type of attack where an attacker steals a user's session information to impersonate them on a website. Wireshark can capture and analyze HTTP traffic for session hijacking attempts.
TCP packets sent to check if a connection is still active when no data has been transmitted for a certain period of time. Wireshark can capture and analyze TCP keep-alive probes.
A type of web vulnerability where an attacker tricks a user into performing unwanted actions on a website. Wireshark can capture and analyze HTTP requests and responses for CSRF attacks.
A TCP packet sent by the receiving end to acknowledge a keep-alive probe and indicate that the connection is still active. Wireshark can analyze TCP keep-alive responses.
Secure HTTP cookies that are only transmitted over encrypted connections (HTTPS). Wireshark can capture and analyze secure HTTP cookies for web debugging and analysis.
A TCP packet sent by the receiving end to acknowledge a keep-alive probe and indicate that the connection is still active. Wireshark can analyze TCP keep-alive acknowledgments.
An HTTP header that specifies the type of content being sent or received. Wireshark can capture and analyze HTTP content-type headers for troubleshooting content-related issues.
A condition where a TCP connection fails to receive a response to a keep-alive probe, indicating a potential network or connection issue. Wireshark can detect and analyze TCP keep-alive failures.
A mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the resource originated. Wireshark can capture and analyze HTTP requests and responses for CORS-related issues.
An HTTP header that specifies the encoding format of the content being sent or received. Wireshark can capture and analyze HTTP content-encoding headers for troubleshooting content-related issues.