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Ever wished you didn’t have to type in your password every time Windows starts up, but you don’t want to lose the additional security that comes with having a password? If that’s the case then today’s your lucky day. Lets take a look. Note: We’re showing Windows 8 in this example, but this should work in Windows 10, Windows 7, or Windows Vista as well.
Setting Windows to Logon AutomaticallyPress the Windows + R keyboard combination to bring up a run box, when it appears type netplwiz and hit enter. This will open the User Accounts dialog box, which will display a list of all the users on your computer. Select your user account from the list, then uncheck the “Users must enter a user name and password to use this computer” checkbox then click the apply button. This will bring up the Automatically sign in dialog, where you will need to input your password then click OK. Click OK again to close the User Accounts dialog and you’re good to go. That’s all there is to it.
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IntroductionIn Part 1 of this series, we took a look at how the Network Policy and Access Services in Windows 2012, and particularly Network Access Protection (NAP) can help to protect your network when VPN clients connect to it by validating health requirements that you institute as part of a health enforcement plan. In Part 2, we shared some tips on actually deploying NAP on Windows Server 2012. In Part 3, we’re going to discuss the process of setting up RADIUS servers.
A brief review of RADIUS: What it doesIn Windows Server 2012, the Network Policy Service (NPS) can do more than just Network Access Protection (NAP). It can also function as a RADIUS server or a RADIUS proxy, as we mentioned in Part 1 of this series. RADIUS has been around since the early 1990s and is an IETF standard. It was defined in by RFCs 2058 and 2059, which have since been made obsolete by new standards. A good starting point when you’re planning to deploy RADIUS in your organization is RFC 6158, Radius Design Guidelines, published in March 2011. RADIUS is an open source client/server protocol designed to give network administrators the capability of managing authentication, authorization and account (AAA) from a centralized location. These three functions work together to provide control over remote users and computers by first authenticating their identities to determine whether they are allowed to access the network, then authorizing them to use specific network services or connect to specific network resources and proving an accounting so you can track the use of the services. RADIUS servers verify identity through a database on the RADIUS server, the Active Directory database, an LDAP server, Kerberos, a SQL database or other means. Because RADIUS keeps accounting records, it makes it possible to collect statistical information about usage or even to bill users, departments or organizations according to their usage.
A brief review of RADIUS: How it works
[ads1]The RADIUS AAA process works as follows:
- Remote user/computer sends a request to the remote access server to access specific network resources contained on a network access server.
- The network access server prompts for credentials (e.g., user name and password).
- User provides credentials.
- The remote access server sends a request to the RADIUS server for authentication and authorization, which includes the credentials (password is encrypted).
- The RADIUS server examines the request and responds by rejecting the request (if no or incorrect credentials are provided), challenge the request by asking for more information (PIN, Smart Card, etc.), or accepting the request by authenticating the user’s/machine’s identity.
- If the request is accepted, the RADIUS server checks the database to determine which resources the user is allowed to use and authorizes the user to use the requested resources if they are on the list.
- Begins tracking when the network access server sends an Accounting Start packet.
- Receives interim update packets from the network server during the active session. Information can include the amount of time and data used.
- Receives an Accounting Stop packet when the session ends.
Configuring RADIUSTo configure RADIUS authentication for your network, you start by opening the NPS management console that’s shown in Figure 1, which you’ll find in the administrative tools menu after you’ve installed the NPS server role (as we showed you in a previous installment in this article series). You can use either the Standard or Advanced Configuration option to configure RADIUS. The Standard Configuration option will start a configuration wizard, so we’ll look at it first. Figure 1 You have two choices under the Standard Configuration option:
- You can configure a RADIUS server for dial-up or VPN connections
- You can configure a RADIUS server for 802.1x wireless or wired connection
- Basic encryption (MPPE 40 bit)
- Strong encryption (MPPE 56 bit)
- Strongest encryption (MPPE 128 bit)
SummaryIn Part 3 of this multi-part series on Understanding and Configuring NPAS in Windows Server 2012, we began our discussion of RADIUS and how to configure the NPS to act as a RADIUS server. We covered the steps of the configuration wizard this time, and next time we’ll talk about how to use the Advanced Configuration option, how to configure RADIUS server groups and how to configure a RADIUS proxy.
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IntroductionIn Part 1 of this series, we took a look at how the Network Policy and Access Services in Windows 2012, and particularly how Network Access Protection (NAP) can help to protect your network when VPN clients connect to it by validating health requirements that you institute as part of a health enforcement plan. In Part 2, we’ll go into some tips on actually deploying NAP on Windows Server 2012. Keep in mind, however, that NPAS and NAP are complex topics and we are covering only some basics here. There is are much more detailed guidelines available in the TechNet Library that address many different network scenarios.
Installing the NPS role service on Windows Server 2012To deploy NAP on Windows Server 2012, you need to install the Network Policy and Access Services role with the Network Policy Server role service. You can do this in one of two ways: by using Server Manager to install NPS via the graphical user interface, or by using PowerShell to install NPS via the command line. Before attempting installation, you need to know that if there is a manually configured IPv6toIPv4 address on the computer, NPS may fail to install correctly. You should disable the IPv6 configuration before attempting to install NPS. Here’s how:
- On the Windows Server 2012 Start Screen, type Network.
- In the right Search pane, select Settings.
- Click the View Network Connections option in the list.
- Right click the network connection for your local network and select Properties.
- On the Networking tab, uncheck the check box for Internet Protocol Version 6 (TCP/IPv6).
- Click OK.
Installing the NPS role service using Server ManagerTo install the NPS role service in Windows Server 2012 via the graphical interface, first open Server Manager from the desktop taskbar or the Server Manager tile on the Start Screen, and perform the following steps:
- In Server Manager, click Manage and click Add Roles and Features.
- On the Before you begin page, click Next.
- On the Select Installation Type page, click Role/Feature Based Install and then click Next.
- On the Select destination server page, click Select a server from the server pool, click the names of the servers where you want to install NPS and then click Next.
- On the Select Server Roles page, click Network Policy and Access Services, and then click Next three times.
- On the Select role services page, click Network Policy Server, and in the Add Roles and Features Wizard dialog box, verify that Include management tools (if applicable) is selected.
- Click Add Features, and then click Next.
- On the Confirm installation selections page, click Install.
- On the Installation Results page, verify that the installation was successful, and then click Close.
Installing the NPS role service using PowerShell
To install the NPS role service in Windows Server 2012 using PowerShell, you first need to right-click the PowerShell icon on the taskbar and select to Run as administrator in order to open a PowerShell session with administrative privileges. Then perform the following steps:
Configuring the NAP serverYou can configure the NAP server with three different types of policies: Connection Request Policies that use connections and settings to authenticate client requests to access the network. These policies also control where the authentication will be performed. You must have a connection request policy for each NAP enforcement method. Network Policies that use conditions, settings and constraints to determine the level of access that will be authorized for a client that attempts to connect to the network. You need at least two network policies to deploy NAP: one for client computers that are found to be compliant with your health policies and one for those clients that are out of compliance. Health Policies that specify which System Health Validators (SHVs) are to be evaluated and how they’re to be used to evaluate health status. You have to enable at least one SHV for each health policy. When creating network policies, you need to keep in mind that a client request can match one connection policy and one network policy. It cannot match multiple policies of a type, so when a match is made, none of the other policies will be applied. That means the order of processing policies is important. The source of the request is also used in determining the order for evaluation. If there are policies that specify a source, requests sent from a matching source are only evaluated against these policies. If none of the policies specify a source that matches, clients try to match policies with the Unspecified source. If there are multiple policies with the same source that matches the client source, the policy that’s highest in the processing order is used (and if it fails, the NPS goes down the list of policies in the processing order until it finds a policy that matches). To configure NSP with a network policy, use the New Network Policy wizard on the NPS server. On the NPS server, open the Network Policy Server administrative tool from the Administrative Tools menu. In the left pane, expand the Policies node and click Network Policies. Right click and select New to start the New Network Policy Wizard, as shown in Figure 2. Figure 2: Creating a new network policy You can create a new connection request policy or a new health policy by right clicking the Connection Request Policy or Health Policies node and selecting New.
Configuring the VPN servers with NPSThe steps involved in configuring VPN servers with NPS are as follows: Install and configure your VPN servers as discussed in the first part of this chapter. Decide what authentication method is to be used. Install the NPS role on the NPS server. Autoenroll a server certificate to the NPS server(s) or purchase a server certificate (for PEAP-MS-CHAP v2 authentication). For EAP-TLS or PEAP-TLS without smart cards, autoenroll user and/or computer certificates to domain users and client computers that are domain members. Configure your VPN servers as RADIUS clients in NPS. Create an Active Directory user group for users who will be allowed to connect via the VPN servers. Configure network policies for VPN services in NPS. To create the connection request and network policies that you need in order to deploy VPN servers as RADIUS clients to the NPS server, you can use the New Dial-up or Virtual Private Network Connections wizard. Open the NPS console from the Administrative Tools menu on the server where you have installed the Network Policy Server role service. Click the NPS (Local) top level node in the left pane and follow these steps: Under Standard Configuration, in the drop-down box, select RADIUS server for Dial-up or VPN Connections, as shown in Figure 3. Figure 3: Creating the policies required to deploy VPN servers as RADIUS clients to the NPS Click Configure VPN or Dial-Up. In the wizard, select Virtual Private Network (VPN) Connections under the Type of connections section, as shown in Figure 4. Figure 4:Selecting the connections type (VPN) Provide text to be part of the name for each of the policies the wizard creates or accept the default, and click Next. On the Specify Dial-Up or VPN Server page, the local computer will be automatically added as a RADIUS client to the NPS server if it is running RRAS as a VPN server. You can add remote VPN servers by clicking the Add button. On the Configure Authentication Methods page, select the protocol(s) you want to use for authentication, as shown in Figure 5. Figure 5: Configuring the authentication method(s) On the Specify User Groups page, you can select the groups to which the policy will apply by clicking the Add button. If you don’t select any groups, the policy will apply to all users. On the Specify IP Filters page, you can configure IPv4 and IPv6 input and output filters for the RRAS VPN server. On the Specify Encryption Settings page, you can select the encryption strength to be used for MPPE (40-bit, 56-bit and/or 128-bit). By default, all three are selected, as shown in Figure 6. Figure 6:Specifying encryption settings On the Specify Realm Name page, you can specify a realm name to replace the domain name in user credentials. This is the name that your ISP uses to forward requests. This is an optional field. On the Completing New Dial-Up or Virtual Private Network Connections and RADIUS clients page (the last page of the wizard), you can click Configuration Details to review your configuration choices. This will open the configuration details in your default web browser, as shown in Figure 7. Figure 7: Viewing configuration details in the browser Click Finish in the wizard to create the policies. They will now show up in the Connection Request Policies and Network Policies nodes in the Network Policy Server console.
Configuring the HRAYou can configure the authentication requirements, certification authorities and request policy for the HRA. Authentication requirements: You can either restrict the issuance of health certificates to authenticated domain users or you can allow anonymous users to obtain health certificates. If you allow both, two separate web sites will be created, one for requests by domain users and one for requests by anonymous users. You can enable SSL so that clients communicating with the web sites must use a secure (https://) URL. The IIS server will need an SSL certificate in the local computer certificate store or the current user certificate store, to be used for server authentication. Certification Authority: You must configure the HRA with at least one NAP CA. You can add or delete CAs and change their order from the HRA console’s Certification Authority node. You can use either a standalone CA or an enterprise CA. Request Policy: The request policy settings define how the HRA communicates with clients, specifically the cryptographic policy elements that include asymmetric key algorithms, hash key algorithms, cryptographic service providers and transport policy. You can use the default request policy setting that negotiate a mutually acceptable encryption mechanism, and this is usually the best practice unless you are certain your modified settings will work properly.
Configuring Client ComputersMicrosoft recommends, as part of its best practices, that client computers be configured automatically. NAP-capable client computers (those Windows XP SP3 and above systems on which the NAP Agent software is installed and running) can be configured automatically by importing NAP configuration files into Group Policy. You can configure NAP client settings in one of three ways: NAP Client Configuration Console gives you a graphical UI for configuring the NAP client settings. Netsh gives you a way to configure NAP client settings from the command line. Group Policy Management Console allows you to configure NAP client settings in Group Policy on clients that are domain members. You can save NAP client settings in a configuration file that you can then apply to other computers. You need to be a member of the local Administrators group on the computer to import a configuration file. To import a configuration file, type NAPCLCFG.MSC at the command line or in the Run box to open the NAP Client Configuration console. Right click the top level node, NAP Client Configuration (Local Computer) in the left pane, and select Import. Navigate to the location where the file is stored, type the file name for the configuration file and select Open. Alternatively, you cantype netsh nap client import filename = <file name> You must enable at least one NAP enforcement client on the client computers. The six NAP enforcement client types are: DCHP IPsec Remote Desktop Gateway EAP Remote Access Wireless EAP over LAN Your VPN clients need to be enabled as Remote Access clients so health policies will be enforced when they attempt to access the network through the NAP-enabled VPN server. The NAP enforcement clients are enabled and disabled through the NAP Client Configuration console or the netsh command. You need to be a local Administrator to enable or disable enforcement clients. To enable the Remote Access enforcement client through the console, click the Enforcement Clients node in the left pane. In the middle pane, right click Remote Access Quarantine Enforcement Client and click Enable. To enable the Remote Access enforcement client at the command line, type: netsh nap client set enforcement ID = 79618 ADMIN – “ENABLE”
SummaryIn Parts 1 and 2 of this series on understanding and configuring Network Policy and Access Services in Windows Server 2012, we have looked at the deployment of NAP. In Part 3, we’ll move on to the process of setting up RADIUS servers.
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IntroductionAn important part of a network security strategy is the protection of the network from threats that can be introduced via the client computers that connect to that network. This becomes particularly vital in the case of remote clients, such as laptops that workers take off site and home computers that employees use to access their work during off-work time or even full-time as telecommuters. Windows Server 2012 based networks have many mechanisms aimed at giving administrators more control over who connects to the corporate network and over the computers they use to connect. DirectAccess is one such technology, and I’ve discussed it in previous articles. But not all clients are able to use DirectAccess; those that run legacy operating systems (pre-Windows 7) and those that are not domain members will need to use a different connection method, such as virtual private networking (VPN). Windows Server operating systems provide features that help to protect the network when VPN clients connect, as well. Network Access Protection (NAP) has been around for quite some time. It was introduced with Windows Server 2008 to provide a built-in policy-based technology similar to Cisco’s Network Access Control (NAC). Windows Server 2008 R2 added functionality and features. Remote Authentication Dial In User Service (RADIUS) server support in Windows Server has been around even longer. If you’re coming to Windows Server 2012 from Windows Server 2003, when you think of RADIUS in Windows, you probably think of Internet Authentication Service (IAS). In Windows Server 2008, IAS was replaced by NPS – the Network Policy Server. The NPS is part of a larger framework: Microsoft’s Network Policy and Access Services (NPAS).
Understanding NPAS: What it includesThe Network Policy and Access Services include the following role services:
- Network Policy Server (NPS)
- Health Registration Authority (HRA)
- Host Credential Authorization Protocol (HCAP)
- RADIUS server and proxy
Understanding NAP: What it doesNAP utilizes a number of components on the server and client to allow administrators much greater control over which computers are allowed to connect to the network, and specifically to prevent systems that may be at risk – such as those that do not have up-to-date security patches, aren’t running antivirus software and antimalware software with current definitions, don’t have an active host firewall, etc. – from connecting to the network and potentially putting other systems at risk as well. NAP can be used with client computers running Windows XP SP3 and above; these operating systems support the NAP Agent that is the component on the client that collects and manages health information. When the NAP Agent service is installed and running, the client can communicate its health status to the NAP servers. The health status information is based on the state of the client’s configuration and can include such factors as:
- The firewall status
- Antivirus signature status
- Status of service packs and security updates.
Understanding NAP: How it worksNAP is Microsoft’s implementation of a “health” enforcement solution. In the context of protecting remote clients and protecting the network from health “issues” that those remote clients may bring to the network, it checks the identity of each remote client and determines whether it is in compliance with the organization’s health policies. The health information that each client sends to the NAP server is called a statement of health or SoH. The server evaluates this information based on the policies and settings that have been configured. It uses this information, along with group membership, to determine whether and at what level of access the client will be allowed to connect to the corporate network. Clients that are out of compliance with the policies can be brought into compliance through NAP’s mechanisms. NAP does this by performing a network health analysis, verifying the effectiveness of existing security policies, and helping administrators to identify risks by creating a health profile for the network. This improves the overall health of the network by enforcing compliance with your network health policies and restricting the access of remote client computers that are not in compliance.
Understanding NAP: The parts and piecesThe Network Policy Server is the core component of a NAP deployment. It is used to manage network access through the VPN server, RADIUS servers and other points of access to the network. Depending on your network environment, you may deploy multiple NPS servers. An NPS can be a RADIUS server, a RADIUS proxy or a NAP policy server. The NAP server is where you configure the NAP policies and settings such as health policies, SHVs, and remediation server groups. Remediation servers are the servers to which non-compliant clients are allowed to connect in order to update their configurations so as to become compliant, after which they can be re-evaluated and allowed to connect to other network resources. The NPS works in conjunction with other components, including the System Health Agents (SHAs) and System Health Validators (SHVs). The SHA that is built into Windows Vista and Windows 7 operating systems is called the Windows Security Health Agent (WSHA), which works with the Windows Security Center on the client computer and the Windows Security Health Validator (WSHV). You can configure the WSHV settings to report on the host firewall, virus protection, spyware protection, automatic updating status, and security updates installed. Third party vendors can use the NAP API to create SHAs and SHVs for their software products (for example, third party antivirus programs). The Health Registration Authority (HRA) is another server component of NAP that is used in IPsec enforcement and is installed on a computer that is running NPS and IIS. These services must be installed on the HRA computer. When you install the Network Policy and Access Services server role on a Windows Server 2012 server, the HRA administrative tool will be installed on the NPS server. Likewise, if you install HRA, NPS is automatically installed. The HRA approves the issuance of health certificates to NAP clients. These health certificates are X.509 certificates that are issued by an Active Directory certification authority (CA). A CA that issues health certificates is known as a NAP CA. To get a health certificate from the NAP CA, the client must submit a SoH to the HRA. IIS is used to provide the interface by which the clients contact the HRA to request a health certificate.
Understanding NPS policiesThe NPS can apply and enforce three different types of policies:
- Connection request policies
- Network policies
- Health policies
Planning for NAPBefore you undertake the deployment of NAP on your network, there are a number of planning tasks that you should complete. The following checklist can serve as a guideline for planning your NAP deployment:
- Determine the NAP enforcement method (in this case, we are focusing on VPN enforcement)
- Plan the appropriate placement of your NAP server(s) on the network so it can communicate with other NAP components and so it will have a connection to Active Directory Domain Services (AD DS) for authentication of domain users connecting through the VPN.
- Determine whether you need multiple NAP servers for load balancing and failover.
- Determine which health requirements you want to enforce (for example, firewall, virus protection, antivirus software updates, spyware protection and updates, automatic updating enabled, security updates installed via WSUS and/or Windows Update).
- Determine how you will deal with those computers that will be exempt from health checks (e.g., domain controllers and most other servers, devices that are not NAP-capable, and users who must have access at all times. This is your exception management strategy.
- Consider your NAP reporting strategy.
- Create a pilot program to help you evaluate your NAP deployment decisions.
- Document the NAP deployment design.
Deploying NAP: A previewTo deploy NAP on Windows Server 2012, you will need to install the Network Policy and Access Services role with the Network Policy Server role service. You can do this in one of two ways: by using Server Manager to install NPS via the graphical user interface, or by using PowerShell to install NPS via the command line. In Part 2 of this article series, we’ll dig down into how to install NPAS using both of these methods, and then we’ll look at the steps that you need to complete in order to your VPN servers to work with the Network Policy Server (NPS) so they can use NAP to validate the health of VPN clients that attempt to connect to your corporate network.
Tools for Windows 7, 10 and moreWe’ve compiled a small list of the Best Wake on Lan software and tools that will help you Wake up any PC on your internal network via the protocol. The Great part about most of the software below is that they’re absolutely FREE! Grab one below and install it today to make sure you have it ready when you least expect.
SolarWinds FREE WOL Utility – FREE DOWNLOADThis program is pretty lightweight and easy to setup, which makes it ideal for swiftly installing and configuring on a system. There’s really not a lot else to be said! It’s one of those programs that is small and compact because it has a singular focus and it does what it needs to do as easily and with as little footprint as possible. Price: 100% Free and Easy to Use! Compatibility: Any version of Windows from 2000 and up, including 64-bit
NirsoftNirSoft, a common name when dealing with passwords and utilities revolving around them, also has a nice lightweight tool for handling WOL. It has a nice simple interface that allows for managing a series of systems all at once and can even broadcast a WOL packet to a handful of systems at the same time to save you a little extra work. It also offers command-line functionality that is ideal for scripting or bat files. Download: http://www.nirsoft.net/utils/wake_on_lan.html Price: Free Compatibility: Any version of Windows from 2000 and up, including 64-bit
WakeOnLANxAnother simple and free tool that is purely focused on getting the job done without an excess of bells and whistles. This one has a particularly customizable GUI, much more than many of the similar programs, and even offers a little bit of system information that can be requested from the target machine, such as drive space, MAC address, last boot time, a built-in remote access request, and several other handy features. As far as free WOL tools, it’s a pretty robust one for sure! Download: https://wakeonlanx.com/download/ Price: Free Compatibility: Most versions of Windows, also needs .NET Framework 4.0 or higher
Magic PacketIt doesn’t get any more simple than this! This is essentially a straight-up front-end UI for fully command-prompt based native WOL functionality. It provides the most basic level of WOL needs with a nice and concise little graphical interface. Download: https://www.depicus.com/wake-on-lan/wake-on-lan-gui Price: Free Compatibility: Most versions of Windows from 2k and up
EMCOThis program is a bit fancier looking than most of the more simple WOL tools, but it also offers a bit more functionality as a result. The free version doesn’t really do much more than most of the others listed here, but it does have a snappy interface for easy navigation and adjustment of some of the basic parameters. The paid version boasts a bit more flexibility and has some useful logging and management features for the systems added to it. Download: http://emcosoftware.com/wake-on-lan Price: Freeware and paid versions available, paid has $179 site license and $265 enterprise versions Compatibility: Windows XP and up
Aquila TechThis program has a few handy features of note – it can also perform shutdowns on non-Windows systems via scripting, but it takes a bit of fiddling to get that working. Aside from that it offers some functionality for troubleshooting WOL by monitoring the wake packets being sent and received, and has a built-in scanner for browsing host machines for WOL functionality. Download: http://wol.aquilatech.com/ Price: Free Compatibility: Windows XP and up, .NET Framework 4.6 or higher
ManageEngineThis particular tool is part of a larger suite of basic management tools that comes part of a free program offered by ManageEngine. It can invoke remote command prompts, take inventory of software, pull up task manager remotely, and several other features as well as, of course, WOL. This is a handy option when you have a need for more than just the most basic functionality, but anyone who is interested primarily in WOL features will find the rest of it just gets in the way. Download: https://www.manageengine.com/products/free-windows-tools/free-wake-on-lan-tool.html Price: Free Compatibility: Windows 2003, Windows Vista, Windows 7
FusionFenixAnother option that is pretty barebones that comes with a few strong limitations, but it has one particular offering that makes it worth mentioning! This particular free tool has a mobile app version for triggering WOL for a configured system, which can be quite handy for quickly firing up a computer from your phone – especially if you then have remote capabilities via the same phone! Download: http://fusionfenix.com/product/wol-1-0 Price: Free Compatibility: Most Windows from 2000 and up, also has Android app version available for triggering WOL
Flexibility and functionality even while away from a computer is one of the most powerful tools we have in this day and age. Being away from a system or office doesn’t mean you can’t repair, turn off, restart, and in this case, even turn back on a computer all from just about anyplace, and any device, with a network connection. For a nice and easy, but still robust, option for WOL functionality the SOLARWINDS Free WOL Utility can be easily recommended for doing a great job! Its FREE, Easy to Use and gets the job done all the time! Finding the Best Wake on Lan Software shouldn’t be difficult and we hope the list above has served you well in finding one.