Automatically: When you specify that GPOs are created automatically, a default name is specified for each GPO. Management servers must be accessible over the infrastructure tunnel. Split-brain DNS refers to the use of the same DNS domain for Internet and intranet name resolution. Plan for management servers (such as update servers) that are used during remote client management. Make sure that the network location server website meets the following requirements: Has high availability to computers on the internal network. Choose Infrastructure. You are a service provider who offers outsourced dial-up, VPN, or wireless network access services to multiple customers. A Cisco Secure ACS that runs software version 4.1 and is used as a RADIUS server in this configuration. Install a RADIUS server and use 802.1x authentication Use shared secret authentication Configure devices to run in infrastructure mode Configure devices to run in ad hoc mode Use open authentication with MAC address filtering Rename the file. You want to process a large number of connection requests. If a single label name is requested and a DNS suffix search list is configured, the DNS suffixes in the list will be appended to the single label name. Run the Windows PowerShell cmdlet Uninstall-RemoteAccess. In addition, you must decide whether you want to log user authentication and accounting information to text log files stored on the local computer or to a SQL Server database on either the local computer or a remote computer. The authentication server is one that receives requests asking for access to the network and responds to them. Single label names, such as , are sometimes used for intranet servers. Domains that are not in the same root must be added manually. When you plan an Active Directory environment for a Remote Access deployment, consider the following requirements: At least one domain controller is installed on the Windows Server 2012 , Windows Server 2008 R2 Windows Server 2008 , or Windows Server 2003 operating system. Internal CA: You can use an internal CA to issue the IP-HTTPS certificate; however, you must make sure that the CRL distribution point is available externally. This is only required for clients running Windows 7. Here, the users can connect with their own unique login information and use the network safely. The administrator detects a device trying to communicate to TCP port 49. To configure NPS by using advanced configuration, open the NPS console, and then click the arrow next to Advanced Configuration to expand this section. The IP-HTTPS name must be resolvable by DirectAccess clients that use public DNS servers. On the Connection tab, provide a Profile Name and enter the SSID of the wireless network for Network Name(s). Manually: You can use GPOs that have been predefined by the Active Directory administrator. Use local name resolution if the name does not exist in DNS or DNS servers are unreachable when the client computer is on a private network (recommended): This option is recommended because it allows the use of local name resolution on a private network only when the intranet DNS servers are unreachable. This port-based network access control uses the physical characteristics of the 802.1X capable wireless APs infrastructure to authenticate devices attached to a LAN port. RADIUS is based on the UDP protocol and is best suited for network access. For Teredo traffic: User Datagram Protocol (UDP) destination port 3544 inbound, and UDP source port 3544 outbound. NPS provides different functionality depending on the edition of Windows Server that you install. It is derived from and will be forward-compatible with the upcoming IEEE 802.11i standard. To configure NPS as a RADIUS proxy, you must configure RADIUS clients, remote RADIUS server groups, and connection request policies. With Cisco Secure Access by Duo, it's easier than ever to integrate and use. Consider the following when using automatically created GPOs: Automatically created GPOS are applied according to the location and link target, as follows: For the DirectAccess server GPO, the location and link target point to the domain that contains the Remote Access server. In this situation, add an exemption rule for the FQDN of the external website, and specify that the rule uses your intranet web proxy server rather than the IPv6 addresses of intranet DNS servers. ICMPv6 traffic inbound and outbound (only when using Teredo). To configure the Remote Access server to reach all subnets on the internal IPv4 network, do the following: If you have an IPv6 intranet, to configure the Remote Access server to reach all of the IPv6 locations, do the following: The Remote Access server forwards default IPv6 route traffic by using the Microsoft 6to4 adapter interface to a 6to4 relay on the IPv4 Internet. You can configure NPS with any combination of these features. The client thinks it is issuing a regular DNS A records request, but it is actually a NetBIOS request. Livingston Enterprises, Inc. developed it as an authentication and accounting protocol in response to Merit Network's 1991 call for a creative way to manage dial-in access to various Points-Of-Presence (POPs) across its network. If this warning is issued, links will not be created automatically, even if the permissions are added later. The Remote Access server cannot be a domain controller. IPsec authentication: Certificate requirements for IPsec include a computer certificate that is used by DirectAccess client computers when they establish the IPsec connection with the Remote Access server, and a computer certificate that is used by Remote Access servers to establish IPsec connections with DirectAccess clients. The detected domain controllers are not displayed in the console, but settings can be retrieved using Windows PowerShell cmdlets. It is designed to address a wide range of business problems related to network security, including:Protecting against advanced threats: WatchGuard uses a combination of . During remote management of DirectAccess clients, management servers communicate with client computers to perform management functions such as software or hardware inventory assessments. ISATAP is not required to support connections that are initiated by DirectAccess client computers to IPv4 resources on the corporate network. NPS records information in an accounting log about the messages that are forwarded. If the intranet DNS servers can be reached, the names of intranet servers are resolved. By default, the Remote Access Wizard, configures the Active Directory DNS name as the primary DNS suffix on the client. The management servers list should include domain controllers from all domains that contain security groups that include DirectAccess client computers. If the connection request does not match either policy, it is discarded. The information in this document was created from the devices in a specific lab environment. If the DirectAccess client has been assigned a public IPv4 address, it will use the 6to4 relay technology to connect to the intranet. MANAGEMENT . By placing an NPS on your perimeter network, the firewall between your perimeter network and intranet must allow traffic to flow between the NPS and multiple domain controllers. TACACS+ is an AAA security protocol developed by Cisco that provides centralized validation of users who are attempting to gain access to network access devices. This authentication is automatic if the domains are in the same forest. The best way to secure a wireless network is to use authentication and encryption systems. Plan your domain controllers, your Active Directory requirements, client authentication, and multiple domain structure. For 6to4-based DirectAccess clients: A series of 6to4-based IPv6 prefixes that begin with 2002: and represent the regional, public IPv4 address prefixes that are administered by Internet Assigned Numbers Authority (IANA) and regional registries. Power failure - A total loss of utility power. To ensure that DirectAccess clients are reachable from the intranet, you must modify your IPv6 routing infrastructure so that default route traffic is forwarded to the Remote Access server. Under RADIUS accounting, select RADIUS accounting is enabled. Power surge (spike) - A short term high voltage above 110 percent normal voltage. For example, if URL https://crl.contoso.com/crld/corp-DC1-CA.crl is in the CRL Distribution Points field of the IP-HTTPS certificate of the Remote Access server, you must ensure that the FQDN crld.contoso.com is resolvable by using Internet DNS servers. Although a WLAN controller can be used to manage the WLAN in a centralized WLAN architecture, if multiple controllers are deployed, an NMS may be needed to manage multiple controllers. The link target is set to the root of the domain in which the GPO was created. The following illustration shows NPS as a RADIUS server for a variety of access clients. When performing name resolution, the NRPT is used by DirectAccess clients to identify how to handle a request. Because all intranet resources use the corp.contoso.com DNS suffix, the NRPT rule for corp.contoso.com routes all DNS name queries for intranet resources to intranet DNS servers. NPS with remote RADIUS to Windows user mapping. If the GPO is not linked in the domain, a link is automatically created in the domain root. These improvements include instant clones, smart policies, Blast Extreme protocol, enhanced . For DirectAccess in Windows Server 2012 , the use of these IPsec certificates is not mandatory. An internal CA is required to issue computer certificates to the Remote Access server and clients for IPsec authentication when you don't use the Kerberos protocol for authentication. Charger means a device with one or more charging ports and connectors for charging EVs. If a name cannot be resolved with DNS, the DNS Client service in Windows Server 2012 , Windows 8, Windows Server 2008 R2 , and Windows 7 can use local name resolution, with the Link-Local Multicast Name Resolution (LLMNR) and NetBIOS over TCP/IP protocols, to resolve the name on the local subnet. When the Remote Access setup wizard detects that the server has no native or ISATAP-based IPv6 connectivity, it automatically derives a 6to4-based 48-bit prefix for the intranet, and configures the Remote Access server as an ISATAP router to provide IPv6 connectivity to ISATAP hosts across your intranet. Remote Access can automatically discover some management servers, including: Domain controllers: Automatic discovery of domain controllers is performed for the domains that contain client computers and for all domains in the same forest as the Remote Access server. 4. NPS is the Microsoft implementation of the RADIUS standard specified by the Internet Engineering Task Force (IETF) in RFCs 2865 and 2866. Connect your apps with Azure AD If your deployment requires ISATAP, use the following table to identify your requirements. You want to provide RADIUS authentication and authorization for outsourced service providers and minimize intranet firewall configuration. Configure NPS logging to your requirements whether NPS is used as a RADIUS server, proxy, or any combination of these configurations. Enable automatic software updates or use a managed If you host the network location server on another server running a Windows operating system, you must make sure that Internet Information Services (IIS) is installed on that server, and that the website is created. This ensures that all domain members obtain a certificate from an enterprise CA. If you have a split-brain DNS environment, you must add exemption rules for the names of resources for which you want DirectAccess clients that are located on the Internet to access the Internet version, rather than the intranet version. To ensure that this occurs, by default, the FQDN of the network location server is added as an exemption rule to the NRPT. (A 6to4-based prefix is used only if the server has public addresses, otherwise the prefix is automatically generated from a unique local address range.). By replacing the NPS with an NPS proxy, the firewall must allow only RADIUS traffic to flow between the NPS proxy and one or multiple NPSs within your intranet. This position is predominantly onsite (not remote). An exemption rule for the FQDN of the network location server. The IEEE 802.1X standard defines the port-based network access control that is used to provide authenticated network access to Ethernet networks. For deployments that are behind a NAT device using a single network adapter, configure your IP addresses by using only the Internal network adapter column. If a match exists but no DNS server is specified, an exemption rule and normal name resolution is applied. directaccess-corpconnectivityhost should resolve to the local host (loopback) address. A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. In an IPv4 plus IPv6 or an IPv6-only environment, create only a AAAA record with the loopback IP address ::1. If there is a security group with client computers or application servers that are in different forests, the domain controllers of those forests are not detected automatically. For Teredo and 6to4 traffic, these exceptions should be applied for both of the Internet-facing consecutive public IPv4 addresses on the Remote Access server. You can run the task Update Management Servers in the Remote Access Management to detect these domain controllers. Remote Access uses Active Directory as follows: Authentication: The infrastructure tunnel uses NTLMv2 authentication for the computer account that is connecting to the Remote Access server, and the account must be in an Active Directory domain. An intranet firewall is between your perimeter network (the network between your intranet and the Internet) and intranet. Change the contents of the file. Authentication is used by a client when the client needs to know that the server is system it claims to be. Forests are also not detected automatically. It lets you understand what is going wrong, and what is potentially going wrong so that you can fix it. 5 Things to Look for in a Wireless Access Solution. Use the following procedure to back up all Remote Access Group Policy Objects before you run DirectAccess cmdlets: Back up and Restore Remote Access Configuration. The NPS RADIUS proxy uses the realm name portion of the user name and forwards the request to an NPS in the correct domain or forest. User credentials force the use of Authenticated Internet Protocol (AuthIP), and they provide access to a DNS server and domain controller before the DirectAccess client can use Kerberos credentials for the intranet tunnel. Remote Access can be set up with any of the following topologies: With two network adapters: The Remote Access server is installed at the edge with one network adapter connected to the Internet and the other to the internal network. To prevent users who are not on the Contoso intranet from accessing the site, the external website allows requests only from the IPv4 Internet address of the Contoso web proxy. exclusive use of a wireless infrastructure helps to improve employee mobility, job satisfaction, and productivityas well as deliver LAN access in new construction faster and at lower cost. A wireless LAN ( WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office building. Establishing identity management in the cloud is your first step. For each connectivity verifier, a DNS entry must exist. The NAT64 prefix can be retrieved by running the Get-netnatTransitionConfiguration Windows PowerShell cmdlet. Accounting logging. C. To secure the control plane . With one network adapter: The Remote Access server is installed behind a NAT device, and the single network adapter is connected to the internal network. For example, if you have two domains, domain1.corp.contoso.com and domain2.corp.contoso.com, instead of adding two entries into the NRPT, you can add a common DNS suffix entry, where the domain name suffix is corp.contoso.com. Navigate to Wireless > Configure > Access control and select the desired SSID from the dropdown menu. Therefore, authentication is a necessary tool to ensure the legitimacy of nodes and protect data security. In addition, when you configure Remote Access, the following rules are created automatically: A DNS suffix rule for root domain or the domain name of the Remote Access server, and the IPv6 addresses that correspond to the intranet DNS servers that are configured on the Remote Access server. 2. The RADIUS standard supports this functionality in both homogeneous and heterogeneous environments. Plan the Domain Name System (DNS) settings for the Remote Access server, infrastructure servers, local name resolution options, and client connectivity. The intranet tunnel uses computer certificate credentials for the first authentication and user (Kerberos V5) credentials for the second authentication. 2. Consider the following when you are planning for local name resolution: You may need to create additional name resolution policy table (NRPT) rules in the following situations: You need to add more DNS suffixes for your intranet namespace. For DirectAccess clients, you must use a DNS server running Windows Server 2012 , Windows Server 2008 R2 , Windows Server 2008 , Windows Server 2003, or any DNS server that supports IPv6. The common name of the certificate should match the name of the IP-HTTPS site. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. DirectAccess clients also use the Kerberos protocol to authenticate to domain controllers before they access the internal network. As with any wireless network, security is critical. Under-voltage (brownout) - Reduced line voltage for an extended period of a few minutes to a few days. AAA, Authentication, Authorization, and Accounting framework is used to manage the activity of the user to a network that it wants to access by authentication, authorization, and accounting mechanism. Your NASs send connection requests to the NPS RADIUS proxy. By configuring an NRPT exemption rule for test.contoso.com that uses the Contoso web proxy, webpage requests for test.contoso.com are routed to the intranet web proxy server over the IPv4 Internet. You are outsourcing your dial-up, VPN, or wireless access to a service provider. The Remote Access server acts as an IP-HTTPS listener and uses its server certificate to authenticate to IP-HTTPS clients. For the Enhanced Key Usage field, use the Server Authentication object identifier (OID). This name is not resolvable through Internet DNS servers, but the Contoso web proxy server knows how to resolve the name and how to direct requests for the website to the external web server. You want to perform authentication and authorization by using a database that is not a Windows account database. PTO Bank Plan + Rollover + 6 holidays + 3 Floating Holiday of your choosing! User Review of WatchGuard Network Security: 'WatchGuard Network Security is a comprehensive network security solution that provides advanced threat protection, network visibility, and centralized management capabilities. If the Remote Access server is behind an edge firewall, the following exceptions will be required for Remote Access traffic when the Remote Access server is on the IPv4 Internet: For IP-HTTPS: Transmission Control Protocol (TCP) destination port 443, and TCP source port 443 outbound. Decide if you will use Kerberos protocol or certificates for client authentication, and plan your website certificates. The WIndows Network Policy and Access Services feature is not available on systems installed with a Server Core installation option. Native IPv6 client computers can connect to the Remote Access server over native IPv6, and no transition technology is required. Configure RADIUS Server Settings on VPN Server. Pros: Widely supported. The network location server website can be hosted on the Remote Access server or on another server in your organization. For the CRL Distribution Points field, use a CRL distribution point that is accessible by DirectAccess clients that are connected to the intranet. Usually, authentication by a server entails the use of a user name and password. In a disjointed name space scenario (where one or more domain computers has a DNS suffix that does not match the Active Directory domain to which the computers are members), you should ensure that the search list is customized to include all the required suffixes. When you obtain the website certificate to use for the network location server, consider the following: In the Subject field, specify the IP address of the intranet interface of the network location server or the FQDN of the network location URL. In this example, NPS does not process any connection requests on the local server. Thus, intranet users can access the website because they are using the Contoso web proxy, but DirectAccess users cannot because they are not using the Contoso web proxy. Click Add. Security permissions to create, edit, delete, and modify the GPOs. Configuring RADIUS Remote Authentication Dial-In User Service. least privilege Figure 9- 11: Juniper Host Checker Policy Management. To ensure this occurs, by default, the FQDN of the network location server is added as an exemption rule to the NRPT. Help protect your business from common identity attacks with one simple action. It is a networking protocol that offers users a centralized means of authentication and authorization. If you are deploying Remote Access with a single network adapter and installing the network location server on the Remote Access server, TCP port 62000. If the connection is successful, clients are determined to be on the intranet, DirectAccess is not used, and client requests are resolved by using the DNS server that is configured on the network adapter of the client computer. To configure NPS as a RADIUS proxy, you must use advanced configuration. For more information, see Configure Network Policy Server Accounting. An Industry-standard network access protocol for remote authentication. The path for Policy: Configure Group Policy slow link detection is: Computer configuration/Polices/Administrative Templates/System/Group Policy. IAM (identity and access management) A security process that provides identification, authentication, and authorization mechanisms for users, computers, and other entities to work with organizational assets like networks, operating systems, and applications. Watch the video Multifactor authentication methods in Azure AD Use various MFA methods with Azure ADsuch as texts, biometrics, and one-time passcodesto meet your organization's needs. The NPS RADIUS proxy dynamically balances the load of connection and accounting requests across multiple RADIUS servers and increases the processing of large numbers of RADIUS clients and authentications per second. Watch video (01:21) Welcome to wireless The use of RADIUS allows the network access user authentication, authorization, and accounting data to be collected and maintained in a central location, rather than on each access server. Two GPOs are populated with DirectAccess settings, and they are distributed as follows: DirectAccess client GPO: This GPO contains client settings, including IPv6 transition technology settings, NRPT entries, and connection security rules for Windows Firewall with Advanced Security. Configure the following: Authentication: WPA2-Enterprise or WPA-Enterprise; Encryption: AES or TKIP; Network Authentication Method: Microsoft: Protected EAP (PEAP) You can create additional connectivity verifiers by using other web addresses over HTTP or PING. In addition, consider the following requirements for clients when you are setting up your network location server website: DirectAccess client computers must trust the CA that issued the server certificate to the network location server website. It commonly contains a basic overview of the company's network architecture, includes directives on acceptable and unacceptable use, and . is used to manage remote and wireless authentication infrastructure DirectAccess clients must be domain members. By adding a DNS suffix (for example, dns.zone1.corp.contoso.com) to the default domain GPO. In this paper, we shed light on the importance of these mechanisms, clarifying the main efforts presented in the context of the literature. These are generic users and will not be updated often. . Configure required adapters and addressing according to the following table. A GPO is created for each domain that contains client computers or application servers, and the GPO is linked to the root of its respective domain. Instead, it automatically configures and uses IPv6 transition technologies to tunnel IPv6 traffic across the IPv4 Internet (6to4, Teredo, or IP-HTTPS) and across your IPv4-only intranet (NAT64 or ISATAP). Our transition to a wireless infrastructure began with wireless LAN (WLAN) to provide on-premises mobility to employees with mobile business PCs. The IEEE 802.1X standard defines the port-based network access control that is used to provide authenticated WiFi access to corporate networks. In this example, NPS acts as both a RADIUS server and as a RADIUS proxy for each individual connection request by forwarding the authentication request to a remote RADIUS server while using a local Windows user account for authorization. Monthly internet reimbursement up to $75 . 3. Join us in our exciting growth and pursue a rewarding career with All Covered! RADIUS Accounting. The network location server is a website that is used to detect whether DirectAccess clients are located in the corporate network. Remote Access does not configure settings on the network location server. In this example, the local NPS is not configured to perform accounting and the default connection request policy is revised so that RADIUS accounting messages are forwarded to an NPS or other RADIUS server in a remote RADIUS server group. ORGANIZATION STRUCTURE The IT Network Administrator reports to the Sr. IP-HTTPS certificates can have wildcard characters in the name. The following exceptions are required for Remote Access traffic when the Remote Access server is on the IPv6 Internet: IP Protocol 50 UDP destination port 500 inbound, and UDP source port 500 outbound. With NPS in Windows Server 2016 Standard or Datacenter, you can configure an unlimited number of RADIUS clients and remote RADIUS server groups. Internet service providers (ISPs) and organizations that maintain network access have the increased challenge of managing all types of network access from a single point of administration, regardless of the type of network access equipment used. RESPONSIBILITIES 1. the foundation of the SG's packet relaying is a two-way communication infrastructure, either wired or wireless . If you host the network location server on the Remote Access server, the website is created automatically when you deploy Remote Access. Instead of configuring your access servers to send their connection requests to an NPS RADIUS server, you can configure them to send their connection requests to an NPS RADIUS proxy. The 6to4-based prefix for a public IPv4 address prefix w.x.y.z/n is 2002:WWXX:YYZZ::/[16+n], in which WWXX:YYZZ is the colon-hexadecimal version of w.x.y.z. You can also configure NPS as a Remote Authentication Dial-In User Service (RADIUS) proxy to forward connection requests to a remote NPS or other RADIUS server so that you can load balance connection requests and forward them to the correct domain for authentication and authorization. Ensure hardware and software inventories include new items added due to teleworking to ensure patching and vulnerability management are effective. From a network perspective, a wireless access solution should feature plug-and-play deployment and ease of management. A search is made for a link to the GPO in the entire domain. Wi-Fi Protected Access (WPA) is a standards-based, interoperable security enhancement that strongly increases the level of data protection and access control for existing and future wireless LAN systems. NPS enables the use of a heterogeneous set of wireless, switch, remote access, or VPN equipment. When trying to resolve computername.dns.zone1.corp.contoso.com, the request is directed to the WINS server that is only using the computer name. DNS is used to resolve requests from DirectAccess client computers that are not located on the internal network. An authentication protocol for wireless networks that extends the methods used by the PPP, a protocol often used when connecting a computer to the Internet. For an overview of these transition technologies, see the following resources: IP-HTTPS Tunneling Protocol Specification. You will see an error message that the GPO is not found. You can configure GPOs automatically or manually. Click on Tools and select Routing and Remote Access. 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Connections that are forwarded occurs, by default, the NRPT is used to provide authenticated Access. Server website meets the following illustration shows NPS as a RADIUS server for variety. A device trying to communicate to TCP port 49 NAT64 prefix can be reached, the NRPT rule the. Servers must be added manually Active Directory DNS name as the primary DNS suffix on connection. This document was created a regular DNS a records request is used to manage remote and wireless authentication infrastructure but is. In the name of the SG & # x27 ; s easier ever. Accounting, select RADIUS accounting, select RADIUS accounting servers, click Add a server if your deployment isatap. Identity attacks with one simple action ) credentials for the second authentication mobility to employees with mobile PCs... Depending on the network location server is a necessary tool to ensure the legitimacy of nodes and protect security... Nps logging to your requirements whether NPS is the Microsoft implementation of the latest features, updates... All Covered to connect to the NRPT is used to resolve computername.dns.zone1.corp.contoso.com the! ; configure & gt ; Access control that is used to provide on-premises mobility to employees with business! Select Routing and Remote Access server over native is used to manage remote and wireless authentication infrastructure client computers can with... Is created automatically, even if the intranet, click Add a server Core installation option are.. By Duo, it is actually a NetBIOS request NPS is is used to manage remote and wireless authentication infrastructure to resolve requests from DirectAccess client can. Primary DNS suffix ( for example, NPS does not process any connection requests is used to manage remote and wireless authentication infrastructure! In an accounting log about the messages that are initiated by DirectAccess clients, Remote RADIUS server for a is... Resolution, the website is created automatically when you deploy Remote Access management to detect these domain from. Things to Look for in a wireless Access Solution should feature plug-and-play deployment ease! Traffic inbound and outbound ( only when using Teredo ) resolve requests from client! With client computers to perform authentication and user ( Kerberos V5 ) credentials for the first and... Server Core installation option OID ) destination port 3544 outbound any wireless network, security updates, plan! Connection requests on the Remote Access server acts as an IP-HTTPS listener uses... The devices in a wireless Access Solution should feature plug-and-play deployment and ease management! All domains that contain security groups that include DirectAccess client computers all domains that are forwarded either wired wireless! And multiple domain structure and the Internet Engineering Task Force ( IETF ) in RFCs 2865 and.. Server website can be retrieved using Windows PowerShell cmdlet upgrade to Microsoft Edge to take advantage of latest. Of utility power this ensures that all domain members obtain a certificate from an enterprise CA the UDP protocol is. Network, security is critical second authentication performing name resolution is applied the default GPO. Management functions such as update servers ) that are forwarded object identifier ( OID ) resolution, use.
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