Root servers

There are 13 logical root name servers specified, with logical names in the form letter.root-servers.net, where letter ranges from a to m. The choice of thirteen name servers was made because of limitations in the original DNS specification, which specifies a maximum packet size of 512 bytes when using the User Datagram Protocol (UDP).[7] Technically however, fourteen name servers fit into…

Resources

Public Key Infrastructure (PKI) A framework for managing digital certificates and encryption keys. public key infrastructure X.509 Root certificate public key certificate certificate authority CAcert.org electronic signature certificate policy Certificate Practice Statement certificate revocation list Online Certificate Status Protocol Tools Computerized utilities designed to study and analyze the security of IT facilities and/or break into…

Intro Cyber

General Introductory articles about cybersecurity subjects: Security Computer security[3] Internet security[4] Network security[5] Information security, Data security[6] List of computer security certifications Cryptography The art of secret writing or code. A “plaintext” message is converted by the sender to “ciphertext” by means of a mathematical algorithm that uses a secret key. The receiver of the message then reverses…