Error validating user via ntlm
I need to clear the browser cache, or re-open the browser/clear cache in order to be able to re-authenticate.This guide originally showed you how to configure Squid to authenticate with Pam.NTLM is the successor to the authentication protocol in Microsoft LAN Manager (LANMAN), an older Microsoft product.The NTLM protocol suite is implemented in a Security Support Provider, which combines the LAN Manager authentication protocol, NTLMv1, NTLMv2 and NTLM2 Session protocols in a single package.
These protections include but are not limited to: Device functions can be restricted so that users must authenticate prior to accessing the functions of the device, such as copy, fax, scan to e-mail, scan to network folder, workflow scripts, and/or embedded applications.
The server authenticates the client by sending an 8-byte random number, the challenge.
The client performs an operation involving the challenge and a secret shared between client and server, specifically one of the two password hashes described above.
Lexmark printers include standard features that can substantially reduce this vulnerability.
Lexmark laser printers and multifunction printers (MFPs) include support for USB devices which may cause concern in environments where security is critical.Find the section “INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS” and change the lines beneath to reflect the following. In this situation, I authenticated as the user “wuser1”.