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PCAP-over-IP is a method for transmitting captured network traffic through a TCP connection. [1] The captured network traffic is transferred over TCP as a PCAP file in order to preserve relevant metadata about the packets, such as timestamps.
Wireshark is a data capturing program that "understands" the structure (encapsulation) of different networking protocols. It can parse and display the fields, along with their meanings as specified by different networking protocols. Wireshark uses pcap to capture packets, so it can only capture packets on the types of networks that pcap supports.
Forcing internal servers to connect to the Internet in order to use OCSP contributes to the de-perimeterisation trend. The OCSP stapling protocol is an alternative that allows servers to cache OCSP responses, which removes the need for the requestor to directly contact the OCSP responder.
In the field of computer network administration, pcap is an application programming interface (API) for capturing network traffic. While the name is an abbreviation of packet capture , that is not the API's proper name.
In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).
Debug client/server communications; Debug network protocol implementations; Verify adds, moves, and changes; Verify internal control system effectiveness (firewalls, access control, Web filter, spam filter, proxy) Packet capture can be used to fulfill a warrant from a law enforcement agency to wiretap all network traffic generated by an individual.
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The secure room contained Narus traffic analyzers and logic servers; Narus states that such devices are capable of real-time data collection (recording data for consideration) and capture at 10 gigabits per second. Certain traffic was selected and sent over a dedicated line to a "central location" for analysis.