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1.Welcome
2.FTP Connection Profile
3.Backup and Restore Profiles
4.Command Line Interface
5.File Manager
6.Application Settings
7.Active and Passive Connection Mode
8.Protocol
9.SSL Certificate
10.FTP Return Codes
11.Resources
 

Auto FTP Manager 6.15


SSL Certificate

The Secure Socket Layer protocol was created by Netscape to ensure secure transactions between web servers and browsers.  The protocol uses a third party- a Certificate Authority (CA) to identify one end or both ends of the transactions.

A browser requests a secure page (usually https://).  The web server sends its public key with its certificate.  The browser checks that the certificate was issued by a trusted party (usually a trusted root CA), that the certificate is still valid and the certificate is related to the site contacted.  The browser then uses the public key, to encrypt a random symmetric encryption key and sends it to the server with the encrypted URL required as well as other encrypted http data.

The web server decrypts the symmetric encryption key using its private key and uses the symmetric key to decrypt the URL and http data.  The web server sends back the requested html document and http data encrypted with the symmetric key.  The browser decrypts the http data and html document using the symmetric key and displays the information.

This is the same way how FTP Server and Client machine works by exchanging Certificate.



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