HTTPS SSL Glossary




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C

Call Back
Call back is a process for finding a remote terminal or a secure SSL VPN (virtual private network). In a call back, the host system detaches the caller before dialing the sanctioned telephone number of the remote terminal in order to reestablish the connection.
CERT
Computer Emergency Response Team (network, Internet, security) charter is to work with the Internet community to facilitate its response to computer security events involving Internet hosts, to take proactive steps to raise the community's awareness of computer security issues, and to conduct research targeted at improving the security of existing systems.
Certificate
Certificate is a file that attests to the identity of an organization or web browser user and is used to verify that data being exchanged over a network is from the intended source. The certificate is digitally signed either by a Certificate Authority or is self-signed. There are many certificates involved in providing Internet security and online security. Secure SSL certificates come in many different forms, including Extended Validation certificates, Domain Only Validated certificates, Server Gated Cryptography certificates, email certificates and Content Verification certificates. Today 128 or 256 Bit SSL digital certificates are the most common type of SSL certificates.
Certificate Revocation List (CRL)
A list maintained by the Certificate Authority of all certificates that are revoked, but not expired. A certificate may be revoked because the user's private key is assumed to be compromised, the user is no longer certified by this Certificate Authority, or the Certificate Authorities private key is assumed to be compromised. An alternative to Online Certificate Status Protocol (OCSP).
Certification
The process of assigning a digital certificate, usually for encryption or verification of online information for Secure Socket Layer (SSL) or Transport Layer Security (SSL)
Certification Authority (CA)
A third-party organization which confirms the relationship between a party to the hyper text transfer protocol secure (https) transaction and that party's public key. Certification authorities may be widely known and trusted institutions for Internet-based transactions, though where https is used on company's internal networks, an internal department within the company may fulfill this role. Comodo is the world's 2nd largest Certificate Authority for high-assurance digital certificates.
Certificate Signing Request (CSR)
A Certificate Signing Request (CSR) is a text file generated by a Web server that binding information about an organization to its server's public key
Challenge-Handshake Authentication Protocol (CHAP)
An authentication method that can be used when connecting to an Internet Service Provider. CHAP allows you to login to your provider automatically, without the need for a terminal screen. It is more secure than the Password Authentication Protocol (another widely used authentication method) since it does not send passwords in text format.
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