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Which Authentication Protocols Does Linux Use?
Posted: Thu Jun 26, 2025 12:52 pm
by Udaismith
I was wondering what authentication protocols Linux uses. Can anyone explain?
Re: Which Authentication Protocols Does Linux Use?
Posted: Mon Jun 30, 2025 7:04 am
by rohan
Linux supports multiple authentication protocols, including:
- PAM (Pluggable Authentication Modules)
- LDAP (Lightweight Directory Access Protocol)
- Local password files (/etc/shadow)
These ensure secure user verification.
Re: Which Authentication Protocols Does Linux Use?
Posted: Mon Jun 30, 2025 9:36 am
by chaudarymani03
Linux supports multiple authentication protocols, including:
PAM (Pluggable Authentication Modules)
LDAP
Kerberos
SSH keys
TACACS+
RADIUS
SAML/OAuth (for web apps)
PAM is the most common for local and remote logins.