| V-218786 | | Both the log file and Event Tracing for Windows (ETW) for the IIS 10.0 web server must be enabled. | Internet Information Services (IIS) on Windows Server 2012 provides basic logging capabilities. However, because IIS takes some time to flush logs to ... |
| V-218788 | | The IIS 10.0 web server must produce log records that contain sufficient information to establish the outcome (success or failure) of IIS 10.0 web server events. | Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a correct replay of the events ... |
| V-218789 | | The IIS 10.0 web server must produce log records containing sufficient information to establish the identity of any user/subject or process associated with an event. | Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a correct replay of the events ... |
| V-218790 | | The log information from the IIS 10.0 web server must be protected from unauthorized modification or deletion. | A major tool in exploring the website use, attempted use, unusual conditions, and problems are the access and error logs. In the event of a security i... |
| V-218791 | | The log data and records from the IIS 10.0 web server must be backed up onto a different system or media. | Protection of log data includes ensuring log data is not accidentally lost or deleted. Backing up log records to an unrelated system, or onto separate... |
| V-218792 | | The IIS 10.0 web server must not perform user management for hosted applications. | User management and authentication can be an essential part of any application hosted by the web server. Along with authenticating users, the user man... |
| V-218793 | | The IIS 10.0 web server must only contain functions necessary for operation. | A web server can provide many features, services, and processes. Some of these may be deemed unnecessary or too unsecure to run on a production DoD sy... |
| V-218794 | | The IIS 10.0 web server must not be both a website server and a proxy server. | A web server should be primarily a web server or a proxy server but not both, for the same reasons that other multi-use servers are not recommended. S... |
| V-218796 | | The accounts created by uninstalled features (i.e., tools, utilities, specific, etc.) must be deleted from the IIS 10.0 server. | Accounts used for web server features such as documentation, sample code, example applications, tutorials, utilities, and services created when the fe... |
| V-218797 | | The IIS 10.0 web server must be reviewed on a regular basis to remove any Operating System features, utility programs, plug-ins, and modules not necessary for operation. | Just as running unneeded services and protocols is a danger to the web server at the lower levels of the OSI model, running unneeded utilities and pro... |
| V-218798 | | The IIS 10.0 web server must have Multipurpose Internet Mail Extensions (MIME) that invoke OS shell programs disabled. | Controlling what a user of a hosted application can access is part of the security posture of the web server. Any time a user can access more function... |
| V-218799 | | The IIS 10.0 web server must have Web Distributed Authoring and Versioning (WebDAV) disabled. | A web server can be installed with functionality that by its nature is not secure. Web Distributed Authoring (WebDAV) is an extension to the HTTP prot... |
| V-218801 | | Java software installed on a production IIS 10.0 web server must be limited to .class files and the Java Virtual Machine. | Mobile code in hosted applications allows the developer to add functionality and displays to hosted applications that are fluid, as opposed to a stati... |
| V-218803 | | The IIS 10.0 web server must separate the hosted applications from hosted web server management functionality. | The separation of user functionality from web server management can be accomplished by moving management functions to a separate IP address or port. T... |
| V-218804 | | The IIS 10.0 web server must use cookies to track session state. | Cookies are used to exchange data between the web server and the client. Cookies, such as a session cookie, may contain session information and user c... |
| V-218805 | | The IIS 10.0 web server must accept only system-generated session identifiers. | ASP.NET provides a session state, which is available as the HttpSessionState class, as a method of storing session-specific information that is visibl... |
| V-218806 | | The IIS 10.0 web server must augment re-creation to a stable and known baseline. | Making certain that the web server has not been updated by an unauthorized user is always a concern. Adding patches, functions, and modules that are u... |
| V-218807 | | The production IIS 10.0 web server must utilize SHA2 encryption for the Machine Key. | The Machine Key element of the ASP.NET web.config specifies the algorithm and keys that ASP.NET will use for encryption. The Machine Key feature can b... |
| V-218808 | | Directory Browsing on the IIS 10.0 web server must be disabled. | Directory browsing allows the contents of a directory to be displayed upon request from a web client. If directory browsing is enabled for a directory... |
| V-218809 | | The IIS 10.0 web server Indexing must only index web content. | The indexing service can be used to facilitate a search function for websites. Enabling indexing may facilitate a directory traversal exploit and reve... |
| V-218810 | | Warning and error messages displayed to clients must be modified to minimize the identity of the IIS 10.0 web server, patches, loaded modules, and directory paths. | HTTP error pages contain information that could enable an attacker to gain access to an information system. Failure to prevent the sending of HTTP err... |
| V-218812 | | The IIS 10.0 web server must restrict inbound connections from non-secure zones. | Remote access to the web server is any access that communicates through an external, non-organization-controlled network. Remote access can be used to... |
| V-218813 | | The IIS 10.0 web server must provide the capability to immediately disconnect or disable remote access to the hosted applications. | During an attack on the web server or any of the hosted applications, the system administrator may need to disconnect or disable access by users to st... |
| V-218814 | | IIS 10.0 web server system files must conform to minimum file permission requirements. | This check verifies the key web server system configuration files are owned by the SA or the web administrator controlled account. These same files th... |
| V-218815 | | The IIS 10.0 web server must use a logging mechanism configured to allocate log record storage capacity large enough to accommodate the logging requirements of the IIS 10.0 web server. | To ensure the logging mechanism used by the web server has sufficient storage capacity in which to write the logs, the logging mechanism must be able ... |
| V-218816 | | Access to web administration tools must be restricted to the web manager and the web managers designees. | A web server can be modified through parameter modification, patch installation, upgrades to the web server or modules, and security parameter changes... |
| V-218817 | | The IIS 10.0 web server must not be running on a system providing any other role. | Web servers provide numerous processes, features, and functionalities that utilize TCP/IP ports. Some of these processes may be deemed unnecessary or ... |
| V-218818 | | The Internet Printing Protocol (IPP) must be disabled on the IIS 10.0 web server. | The use of IPP on an IIS web server allows client access to shared printers. This privileged access could allow remote code execution by increasing th... |
| V-218819 | | The IIS 10.0 web server must be tuned to handle the operational requirements of the hosted application. | A Denial of Service (DoS) can occur when the web server is overwhelmed and can no longer respond to additional requests. A web server not properly tun... |
| V-218820 | | IIS 10.0 web server session IDs must be sent to the client using TLS. | The HTTP protocol is a stateless protocol. To maintain a session, a session identifier is used. The session identifier is a piece of data used to iden... |
| V-218822 | | The IIS 10.0 web server must maintain the confidentiality of controlled information during transmission through the use of an approved Transport Layer Security (TLS) version. | TLS is a required transmission protocol for a web server hosting controlled information. The use of TLS provides confidentiality of data in transit be... |
| V-218824 | | Unspecified file extensions on a production IIS 10.0 web server must be removed. | By allowing unspecified file extensions to execute, the web servers attack surface is significantly increased. This increased risk can be reduced by o... |
| V-218825 | | The IIS 10.0 web server must have a global authorization rule configured to restrict access. | Authorization rules can be configured at the server, website, folder (including Virtual Directories), or file level. It is recommended that URL Author... |
| V-218826 | | The IIS 10.0 websites MaxConnections setting must be configured to limit the number of allowed simultaneous session requests. | Resource exhaustion can occur when an unlimited number of concurrent requests are allowed on a website, facilitating a Denial of Service (DoS) attack.... |
| V-228572 | | An IIS Server configured to be a SMTP relay must require authentication. | Anonymous SMTP relays are strictly prohibited. An anonymous SMTP relay can be a vector for many types of malicious activity not limited to server expl... |
| V-268325 | | The Request Smuggling filter must be enabled. | Security scans show Request Smuggling vulnerability on IIS server.
The vulnerability allows a remote attacker to perform HTTP request smuggling attac... |
| V-218827 | | The IIS 10.0 web server must enable HTTP Strict Transport Security (HSTS). | HTTP Strict Transport Security (HSTS) ensures browsers always connect to a website over TLS. HSTS exists to remove the need for redirection configurat... |
| V-241788 | | HTTPAPI Server version must be removed from the HTTP Response Header information. | HTTP Response Headers contain information that could enable an attacker to gain access to an information system. Failure to prevent the sending of cer... |
| V-241789 | | ASP.NET version must be removed from the HTTP Response Header information. | HTTP Response Headers contain information that could enable an attacker to gain access to an information system. Failure to prevent the sending of cer... |
| V-218795 | | All IIS 10.0 web server sample code, example applications, and tutorials must be removed from a production IIS 10.0 server. | Web server documentation, sample code, example applications, and tutorials may be an exploitable threat to a web server. A production web server may o... |
| V-218802 | | IIS 10.0 Web server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts. | As a rule, accounts on a web server are to be kept to a minimum. Only administrators, web managers, developers, auditors, and web authors require acco... |
| V-218821 | | An IIS 10.0 web server must maintain the confidentiality of controlled information during transmission through the use of an approved Transport Layer Security (TLS) version. | TLS encryption is a required security setting for a private web server. Encryption of private information is essential to ensuring data confidentialit... |
| V-218823 | | All accounts installed with the IIS 10.0 web server software and tools must have passwords assigned and default passwords changed. | During installation of the web server software, accounts are created for the web server to operate properly. The accounts installed can have either no... |
