Matrix NAVAN CNX200 System Manual
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CHAPTER 11
Certificate Management
Certificate Management is used for HTTPS, IPSec, L2TP over IPSec and SSL (Open VPN).
An SSL Certificate is named so, as it uses the Secure Socket Layer (SSL/TLS) protocol, created by Netscape to
ensure secure transactions between web servers and browsers.
SSL Certificate uses asymmetric authentication, that is,
public key
and
private key
are used to encrypt and
decrypt respectively.
Types of SSL Certificate
There are two types of SSL Certificates:
CA Signed Certificate
and
Self-signed Certificate
.
CA Signed Certificate
Certificate Authority (CA) is a trusted organization which creates and sells SSL Certificates to websites.
CA Signed
Certificates
are the SSL Certificates which are created by such trusted CAs, signed and sold to any applicant.
These certificates contains a public key and the identity of the owner; and it is up to the CA to verify the owner’s
(applicant’s) credentials. CAs issue an SSL Certificate to the organizations/websites after verifying their credentials.
Generally, one SSL Certificate is issued for a particular server/website domain and it is valid for a certain period of
time.
Self-Signed Certificate
A self-signed certificate is created by the Clients themselves or by the Servers and then given to their clients. It
means that you yourself become the Certificate Authority (CA), create a CA Certificate and sign it. The self-signed
certificate is faster to create but is not signed by a trusted CA Organization. The self-signed certificate requires that
any Client that connects over an SSL connection to the Server, installs these certificates in its trusted list. Because
the certificate has been self-signed, the signature is not likely to be in the Clients’ trust file, hence, they need to add
it. Self-signed certificates are useful when each Client interacting with the Server can be configured to trust the
certificate.
Generating Certificates
Once you are done with the VPN Setup and have configured the remote users; you need to create a Certificate, if
you want to authenticate your users using a
Certificate
.
Summary of Contents for NAVAN CNX200
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