12/21/2023 0 Comments Viper ftp sftp access keyThis means that if a malicious user gains access to the password database, they could use various techniques to reverse the hashes and get all the passwords. With password authentication, the password, or, much more commonly, a hash of the password, is stored on the server. One important difference between password authentication and key authentication is what information is stored on the server. The second topic, where passwords and keys are stored, is more complex and also reveals more potential ways for an attacker to gain access to user data. Requiring passwords with a minimum of eight characters and blocking IP addresses that make 10 failed login attempts in a row is probably sufficient. This can mean requiring complex combinations of letters, numbers, and symbols, but it can be as simple as requiring a password be long enough. For example, a common, simple practice is to require strong passwords. However, in practice, this difference can be minimized enough to make it irrelevant. Without going into the technical details, it is possible to guess passwords whereas it is not possible to guess a key. The first topic, the inherent strength of passwords vs keys, is relatively simple. This article will not go into the details of exactly how that authentication is performed, as it is not necessary for the purpose of discussing the pros/cons of the two techniques.Īny article that attempts to cover every difference between these two techniques would be longer than most people would care to read, so we will focus on the two topics that are most likely to affect how/if user data can become compromised:ġ. The user is then able to log into their account using that user name and key. The administrator can then set up the new user account on the server with that user's public key. In this case, the user must generate a key pair on their computer, export the public key, and send the public key to the server administrator (usually by email). Key authentication is a little more complicated. ![]() The user uses that user name/password combination to log in to the server. Password authentication is the simpler of the two methods, for both the server administrator and the user: The admin sets up a new account with a user name and password. There are two primary methods of authenticating users to an SFTP server. Password or Key Authentication for S FTP: Which Is Better?
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