SY0-301 · Question #698
Which of the following is an authentication method that can be secured by using SSL?
The correct answer is B. LDAP. LDAP (Lightweight Directory Access Protocol) transmits credentials and directory data in cleartext by default, making it vulnerable to interception. It can be secured by wrapping it in SSL/TLS, which is known as LDAPS (LDAP over SSL, typically on port 636). This is the standard…
Question
Which of the following is an authentication method that can be secured by using SSL?
Options
- ARADIUS
- BLDAP
- CTACACS+
- DKerberos
How the community answered
(44 responses)- A2% (1)
- B93% (41)
- C5% (2)
Explanation
LDAP (Lightweight Directory Access Protocol) transmits credentials and directory data in cleartext by default, making it vulnerable to interception. It can be secured by wrapping it in SSL/TLS, which is known as LDAPS (LDAP over SSL, typically on port 636). This is the standard way to protect LDAP authentication traffic. RADIUS (Option A) uses its own UDP-based protocol with MD5-based shared secret protection - while it can be tunneled over TLS, it is not natively secured by SSL in standard implementations. TACACS+ (Option C) already encrypts its entire payload by design using its own mechanism, not SSL. Kerberos (Option D) uses a ticket-based mutual authentication system with its own cryptographic protections - it does not rely on SSL for security.
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