Ethical Hacking
Digital Signatures and Digital Certificates
Digital Signatures A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very high confidence that the message was created by a known sender (authenticity), and that the message was not altered in transit (integrity). A digital signature is … Read more
Nmap
Nmap port states Open Indicates that an application on the target system is actively accepting connections (TCP/UDP/SCTP) on that port. Closed Indicates there isn’t any application listening on that port. Filtered Nmap cannot to determine the port status as the nmap probes are not able to reach the port. Such filtering could be from a … Read more