Cisco Cisco Web Security Appliance S670 Troubleshooting Guide
What is the difference between NTLM and LDAP
authentication?
authentication?
Document ID: 118487
Contributed by Josh Wolfer and Siddharth Rajpathak, Cisco TAC
Engineers.
Engineers.
Oct 14, 2014
Contents
Question
Environment
Client Experience
Basic
NTLM (SSP)
Security
Basic
NTLM (SSP)
Environment
Client Experience
Basic
NTLM (SSP)
Security
Basic
NTLM (SSP)
Question
What is the difference between NTLM and LDAP authentication?
Environment
Cisco Web Security Appliance (WSA), all versions of AsyncOS
Authentication with the WSA can be broken down into the following possibilities:
Client > WSA
WSA > Authentication
server
server
Authentication server type
Basic authentication LDAP authentication
LDAP server
Basic authentication LDAP authentication
Active Directory server using
LDAP
LDAP
Basic authentication NTLM Basic authentication
Active Directory server (NTLM
Basic)
Basic)
NTLM
authentication
authentication
NTLMSSP authentication
Active Directory server
(NTLMSSP)
(NTLMSSP)
Note: NTLMSSP is commonly referred to as NTLM.
The noteworthy difference between Basic authentication and NTLM authentication are below.
Client Experience