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Which is more secure an LM hash or an NTLM hash?
NTLM Hash is more secure than LM Hash. It was actually replaced by Windows with NTLM. NTLM is case sensitive; so it matters how passwords are typed, its character set is 65,535, and it does not limit stored passwords to two 7- character parts. NTLM is considered a much stronger hashing algorithm. Just make sure passwords stored are more than 14 characters and you will be fine. Now Unix and Linux are probably a more stable OS because they use "salt" Windows LM and NTLM does not.
What is used by remote access protocols for authentication?
NTLM
Which algorithm is least secure ntlm or lanman?
LANMAN
What is the default authentication protocol in an Active Directory network?
kerberos version 5 NTLM protocols are used by AD
What authentication protocol is used in Windows Server 2008?
NTLM AND kerberos Microsoft adopted Kerberos as the preferred authentication protocol for Windows 2000 and subsequent Active Directory domains.[5] Kerberos is typically used when a server belongs to a Windows Server domain, or if a trust relationship with a Windows Server Domain is established in some other way (such as Linux to Windows AD authentication).[citation needed] NTLM is still used in the following situations: * The client is authenticating to a server using an IP address. * The client is authenticating to a server that belongs to a different Active Directory forest that has a legacy NTLM trust instead of a transitive inter-forest trust * The client is authenticating to a server that doesn't belong to a domain. * No Active Directory domain exists (commonly referred to as "workgroup" or "peer-to-peer"). * Where a firewall would otherwise restrict the ports required by Kerberos (of which there are quite a few) In Windows Vista and above, neither LM nor NTLM are used by default[citation needed]. NTLM is still supported for inbound authentication, but for outbound authentication a newer version of NTLM, called NTLMv2, is sent by default instead. Prior versions of Windows (back as far as Windows NT 4.0 Service Pack 4) could be configured to behave this way, but it was not the default.
What is NTLM?
NTLM, a Windows network authentication protocol, is a challenge/response system that allows a client to prove its identity without sending a password to the server. The Windows domain controller challenges the client to perform a complex mathematical calculation on the user's domain password and send this encrypted password to the domain controller. The domain controller then uses the same calculation to decrypt the password. If the decoded password matches the password obtained from the Security Account Manager (SAM) database, then the client is authenticated and may log into the network and access network resources.NTLM is an abbreviation for Windows NT LAN Manager; it offers improved security over the now-obsolete LAN Manager protocol. The Indiana University network is configured to use only the latest version of this protocol: NTLMv2. This version provides increased security over NTLMv1.A Real Time Communication (RTC) application may specify RTCAU_NTLM in the tag to indicate the client will accept NTLM authentication challenges.Some of the information above comes from the Microsoft Development Network library.(Link)
Which authentication protocol is not configured with the active directory client extensions software used by windows NT 4.0 clients when logging on to a windows server 2003 domain?
NTLM
What is the full form of ntlm?
NTLM new technology LAN manager Madan
How can you authenticate between forests?
Four types of authentication are used: (1) Kerberos and NTLM network logon for remote access to a server in another forest (2) Kerberos and NTLM interactive logon for physical logon outside the user's home forest (3) Kerberos delegation to N-tier application in another forest (4) UPN credentials.
What is the authentication protocol used in 2008?
The Windows operating systems implements a default set of authentication protocols-Kerberos, NTLM, TLS/SSL, Digest, and PKU2U-as part of an extensible architecture. In addition, some protocols are combined into authentication packages such as the Credential Security Support Provider (CredSSP), Negotiate, and Negotiate Extensions. These protocols and packages enable authentication of users, computers, and services; the authentication process, in turn, enables authorized users and services to access resources in a secure manner. Windows authentication protocols are conventions that control or enable the connection, communication, and data transfer between computers in a Windows environment by verifying the identity of the credentials of a user, computer, or process. The authentication protocols are security support providers (SSPs) that are installed in the form of dynamic-link libraries (DLLs). Negotiate Microsoft Negotiate is an SSP that acts as an application layer between the Security Support Provider Interface (SSPI) and the other SSPs. When an application calls into SSPI to log on to a network, it can specify an SSP to process the request. If the application specifies Negotiate, Negotiate analyzes the request and selects the best SSP to handle the request based on the configured security policy. Currently, the Negotiate SSP selects either the Kerberos or NTLM protocol. Negotiate selects the Kerberos protocol unless it cannot be used by one of the systems involved in the authentication or if the client application did not provide a target name as a service principal name (SPN), a user principal name (UPN), or a NetBIOS account name. Otherwise, Negotiate will select the NTLM protocol. A server that uses the Negotiate SSP can respond to client applications that specifically select either the Kerberos or NTLM protocol. However, a client application must first query the server to determine if it supports the Negotiate package before using Negotiate. (Negotiate is supported on Windows operating systems beginning with Windows Server 2003 and Windows XP.) A server that does not support Negotiate cannot always respond to requests from clients that specify Negotiate as the SSP Kerberos :The Kerberos version 5 (v5) authentication protocol provides a mechanism for authentication-and mutual authentication-between a client and a server, or between one server and another server NTLM The NTLM version 2 (NTLMv2) authentication protocol is a challenge/response authentication protocol. NTLM is used when exchanging communications with a computer running Windows NT Server 4.0 or earlier. Networks with this configuration are referred to as mixed-mode. NTLM is also the authentication protocol for computers that are not participating in a domain, such as stand-alone servers and workgroups. Negotiate Extensions NegoExts (NegoExts.dll) is an authentication package that negotiates the use of SSPs for applications and scenarios implemented by Microsoft and other software companies. Pku2u.dll is one of the supported SSPs that is installed by default, and developers can create custom providers. PKU2U The PKU2U protocol in Windows 7 and Windows Server 2008 R2 is implemented as an SSP. The SSP enables peer-to-peer authentication, particularly through the Windows 7 media and file sharing feature called Homegroup, which permits sharing between computers that are not members of a domain. Credential Security Support Provider Windows Vista introduced a new authentication package called the Credential Security Support Provider (CredSSP) that provides a single sign-on (SSO) user experience when starting new Terminal Services sessions. CredSSP enables applications to delegate users' credentials from the client computer (by using the client-side SSP) to the target server (through the server-side SSP) based on client policies TLS/SSL The TLS/SSL protocols are used to authenticate servers and clients, and to encrypt messages between the authenticated parties. The TLS/SSL protocols, versions 2.0 and 3.0, and the Private Communications Transport (PCT) protocol are based on public key cryptography. The secure channel (Schannel) authentication protocol suite provides these protocols. All Schannel protocols use a client/server model and are primarily used for Internet applications that require secure Hypertext Transfer Protocol (HTTP) communications Digest The Digest authentication protocol is a challenge/response protocol that is designed for use with HTTP and Simple Authentication Security Layer (SASL) exchanges. These exchanges require that parties requesting authentication must provide secret keys.
NTLM full form of aspnet?
active server pages.net
What is SAM and what is the structure of SAM?
The Security Account Manager (SAM) is a database stored as a registry file in Windows NT, Windows 2000, and later versions of Windows. It stores users' passwords in a hashed format (in an LM hash and an NTLM hash). Since a hash function is one-way, this provides some measure of security for the storage of the passwords. In an attempt to enhance the security of the SAM database against offline software cracking, Microsoft introduced the SYSKEY utility in Windows NT 4.0. And Sam is also very very AWESOME YEAH SAM THAT'S ME!!!!!!!!!!!!!!!!
