Security Requirements Guide - Web Server STIG V4R4

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STIG IDTitle
SRG-APP-000001-WSR-000001The web server must limit the number of allowed simultaneous session requests.
SRG-APP-000001-WSR-000002The web server must perform server-side session management.
SRG-APP-000014-WSR-000006The web server must use encryption strength in accordance with the categorization of data hosted by the web server when remote connections are provided.
SRG-APP-000015-WSR-000014The web server must use cryptography to protect the integrity of remote sessions.
SRG-APP-000016-WSR-000005The web server must generate information to be used by external applications or entities to monitor and control remote access.
SRG-APP-000033-WSR-000169The web server must enforce approved authorizations for logical access to hosted applications and resources in accordance with applicable access control policies.
SRG-APP-000089-WSR-000047The web server must generate, at a minimum, log records for system startup and shutdown, system access, and system authentication events.
SRG-APP-000092-WSR-000055The web server must initiate session logging upon start up.
SRG-APP-000095-WSR-000056The web server must produce log records containing sufficient information to establish what type of events occurred.
SRG-APP-000096-WSR-000057The web server must produce log records containing sufficient information to establish when (date and time) events occurred.
SRG-APP-000097-WSR-000058The web server must produce log records containing sufficient information to establish where within the web server the events occurred.
SRG-APP-000098-WSR-000059The web server must produce log records containing sufficient information to establish the source of events.
SRG-APP-000098-WSR-000060A web server, behind a load balancer or proxy server, must produce log records containing the client IP information as the source and destination and not the load balancer or proxy IP information with each event.
SRG-APP-000099-WSR-000061The web server must produce log records that contain sufficient information to establish the outcome (success or failure) of events.
SRG-APP-000100-WSR-000064The web server must produce log records containing sufficient information to establish the identity of any user/subject or process associated with an event.
SRG-APP-000108-WSR-000166The web server must use a logging mechanism that is configured to alert the ISSO and SA in the event of a processing failure.
SRG-APP-000116-WSR-000066The web server must use the internal system clock to generate time stamps for log records.
SRG-APP-000118-WSR-000068Web server log files must only be accessible by privileged users.
SRG-APP-000119-WSR-000069The log information from the web server must be protected from unauthorized modification.
SRG-APP-000120-WSR-000070The log information from the web server must be protected from unauthorized deletion.
SRG-APP-000125-WSR-000071The log data and records from the web server must be backed up onto a different system or media.
SRG-APP-000131-WSR-000051All web server files must be verified for their integrity (e.g., checksums and hashes) before becoming part of the production web server.
SRG-APP-000131-WSR-000073Expansion modules must be fully reviewed, tested, and signed before they can exist on a production web server.
SRG-APP-000141-WSR-000015The web server must not perform user management for hosted applications.
SRG-APP-000141-WSR-000075The web server must only contain services and functions necessary for operation.
SRG-APP-000141-WSR-000076The web server must not be a proxy server.
SRG-APP-000141-WSR-000077The web server must provide install options to exclude the installation of documentation, sample code, example applications, and tutorials.
SRG-APP-000141-WSR-000078Web server accounts not utilized by installed features (i.e., tools, utilities, specific services, etc.) must not be created and must be deleted when the web server feature is uninstalled.
SRG-APP-000141-WSR-000080The web server must provide install options to exclude installation of utility programs, services, plug-ins, and modules not necessary for operation.
SRG-APP-000141-WSR-000081The web server must have Multipurpose Internet Mail Extensions (MIME) that invoke OS shell programs disabled.
SRG-APP-000141-WSR-000082The web server must allow the mappings to unused and vulnerable scripts to be removed.
SRG-APP-000141-WSR-000083The web server must have resource mappings set to disable the serving of certain file types.
SRG-APP-000141-WSR-000085The web server must have Web Distributed Authoring (WebDAV) disabled.
SRG-APP-000141-WSR-000086The web server must protect system resources and privileged operations from hosted applications.
SRG-APP-000141-WSR-000087Users and scripts running on behalf of users must be contained to the document root or home directory tree of the web server.
SRG-APP-000142-WSR-000089The web server must be configured to use a specified IP address and port.
SRG-APP-000172-WSR-000104The web server must encrypt passwords during transmission.
SRG-APP-000175-WSR-000095The web server must perform RFC 5280-compliant certification path validation.
SRG-APP-000176-WSR-000096Only authenticated system administrators or the designated PKI Sponsor for the web server must have access to the web servers private key.
SRG-APP-000179-WSR-000110The web server must use cryptographic modules that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance when encrypting stored data.
SRG-APP-000179-WSR-000111The web server must use cryptographic modules that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication.
SRG-APP-000206-WSR-000128A web server utilizing mobile code must meet DoD-defined mobile code requirements.
SRG-APP-000211-WSR-000030Web server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts.
SRG-APP-000211-WSR-000031Anonymous user access to the web server application directories must be prohibited.
SRG-APP-000211-WSR-000129The web server must separate the hosted applications from hosted web server management functionality.
SRG-APP-000220-WSR-000201The web server must invalidate session identifiers upon hosted application user logout or other session termination.
SRG-APP-000223-WSR-000011Cookies exchanged between the web server and client, such as session cookies, must have security settings that disallow cookie access outside the originating web server and hosted application.
SRG-APP-000223-WSR-000145The web server must accept only system-generated session identifiers.
SRG-APP-000224-WSR-000135The web server must generate a unique session identifier for each session using a FIPS 140-2 approved random number generator.
SRG-APP-000224-WSR-000136The web server must generate unique session identifiers that cannot be reliably reproduced.
SRG-APP-000224-WSR-000137The web server must generate a session ID long enough that it cannot be guessed through brute force.
SRG-APP-000224-WSR-000138The web server must generate a session ID using as much of the character set as possible to reduce the risk of brute force.
SRG-APP-000224-WSR-000139The web server must generate unique session identifiers with definable entropy.
SRG-APP-000225-WSR-000074The web server must augment re-creation to a stable and known baseline.
SRG-APP-000225-WSR-000140The web server must be built to fail to a known safe state if system initialization fails, shutdown fails, or aborts fail.
SRG-APP-000225-WSR-000141The web server must provide a clustering capability.
SRG-APP-000231-WSR-000144Information at rest must be encrypted using a DOD-accepted algorithm to protect the confidentiality and integrity of the information.
SRG-APP-000233-WSR-000146The web server document directory must be in a separate partition from the web servers system files.
SRG-APP-000246-WSR-000149The web server must restrict the ability of users to launch Denial of Service (DoS) attacks against other information systems or networks.
SRG-APP-000251-WSR-000157The web server must limit the character set used for data entry.
SRG-APP-000266-WSR-000142The web server must display a default hosted application web page, not a directory listing, when a requested web page cannot be found.
SRG-APP-000266-WSR-000159Warning and error messages displayed to clients must be modified to minimize the identity of the web server, patches, loaded modules, and directory paths.
SRG-APP-000266-WSR-000160Debugging and trace information used to diagnose the web server must be disabled.
SRG-APP-000295-WSR-000012The web server must set an absolute session timeout value of eight hours or less.
SRG-APP-000295-WSR-000134The web server must set an inactive timeout for sessions.
SRG-APP-000315-WSR-000003Remote access to the web server must follow access policy or work in conjunction with enterprise tools designed to enforce policy requirements.
SRG-APP-000315-WSR-000004The web server must restrict inbound connections from nonsecure zones.
SRG-APP-000316-WSR-000170The web server must provide the capability to immediately disconnect or disable remote access to the hosted applications.
SRG-APP-000340-WSR-000029Non-privileged accounts on the hosting system must only access web server security-relevant information and functions through a distinct administrative account.
SRG-APP-000357-WSR-000150The web server must use a logging mechanism that is configured to allocate log record storage capacity large enough to accommodate the logging requirements of the web server.
SRG-APP-000358-WSR-000063The web server must not impede the ability to write specified log record content to an audit log server.
SRG-APP-000358-WSR-000163The web server must be configurable to integrate with an organizations security infrastructure.
SRG-APP-000359-WSR-000065The web server must use a logging mechanism that is configured to provide a warning to the ISSO and SA when allocated record storage volume reaches 75% of maximum log record storage capacity.
SRG-APP-000374-WSR-000172The web server must generate log records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
SRG-APP-000375-WSR-000171The web server must record time stamps for log records to a minimum granularity of one second.
SRG-APP-000380-WSR-000072The web server application, libraries, and configuration files must only be accessible to privileged users.
SRG-APP-000383-WSR-000175The web server must prohibit or restrict the use of nonsecure or unnecessary ports, protocols, modules, and/or services.
SRG-APP-000427-WSR-000186The web server must only accept client certificates (user and machine) issued by DOD PKI or DOD-approved PKI Certificate Authorities (CAs).
SRG-APP-000429-WSR-000113The web server must encrypt user identifiers and passwords.
SRG-APP-000435-WSR-000147The web server must be protected from being stopped by a non-privileged user.
SRG-APP-000435-WSR-000148The web server must be tuned to handle the operational requirements of the hosted application.
SRG-APP-000439-WSR-000151The web server must employ cryptographic mechanisms (TLS/DTLS/SSL) preventing the unauthorized disclosure of information during transmission.
SRG-APP-000439-WSR-000152Web server session IDs must be sent to the client using SSL/TLS.
SRG-APP-000439-WSR-000153Web server cookies, such as session cookies, sent to the client using SSL/TLS must not be compressed.
SRG-APP-000439-WSR-000154Cookies exchanged between the web server and the client, such as session cookies, must have cookie properties set to prohibit client-side scripts from reading the cookie data.
SRG-APP-000439-WSR-000155Cookies exchanged between the web server and the client, such as session cookies, must have cookie properties set to force the encryption of cookies.
SRG-APP-000439-WSR-000156A web server must maintain the confidentiality of controlled information during transmission through the use of an approved TLS version.
SRG-APP-000439-WSR-000188The web server must remove all export ciphers to protect the confidentiality and integrity of transmitted information.
SRG-APP-000441-WSR-000181The web server must maintain the confidentiality and integrity of information during preparation for transmission.
SRG-APP-000442-WSR-000182The web server must maintain the confidentiality and integrity of information during reception.
SRG-APP-000456-WSR-000187The web server must install security-relevant software updates within 30 days unless the time period is directed by an authoritative source (e.g., IAVM, CTOs, DTMs, STIGs).
SRG-APP-000516-WSR-000079All accounts installed with the web server software and tools must have passwords assigned and default passwords changed.
SRG-APP-000516-WSR-000174The web server must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.
SRG-APP-000416-WSR-000118The web server must implement required cryptographic protections using cryptographic modules complying with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance when encrypting data that must be compartmentalized.
SRG-APP-000700-WSR-000100The web server must disable accounts when the accounts have expired.
SRG-APP-000705-WSR-000110The web server must disable accounts when the accounts are no longer associated to a user.
SRG-APP-000745-WSR-000120The web server must implement the capability to centrally review and analyze audit records from multiple components within the system.
SRG-APP-000795-WSR-000130The web server must alert organization-defined personnel or roles upon detection of unauthorized access, modification, or deletion of audit information.
SRG-APP-000805-WSR-000140The web server must automatically generate audit records of the enforcement actions.
SRG-APP-000815-WSR-000160The web server must require users to be individually authenticated before granting access to the shared accounts or resources.
SRG-APP-000820-WSR-000170The web server must implement multifactor authentication for local; network; and/or remote access to privileged accounts; and/or nonprivileged accounts such that one of the factors is provided by a device separate from the system gaining access.
SRG-APP-000825-WSR-000180The web server must implement multifactor authentication for local; network; and/or remote access to privileged accounts; and/or nonprivileged accounts such that the device meets organization-defined strength of mechanism requirements.
SRG-APP-000830-WSR-000190The web server must, for password-based authentication, maintain a list of commonly used, expected, or compromised passwords on an organization-defined frequency.
SRG-APP-000835-WSR-000200The web server must, for password-based authentication, update the list of passwords on an organization-defined frequency.
SRG-APP-000840-WSR-000210The web server must, for password-based authentication, update the list of passwords when organizational passwords are suspected to have been compromised directly or indirectly.
SRG-APP-000845-WSR-000220The web server must, for password-based authentication, verify when users create or update passwords, that the passwords are not found on the list of commonly-used, expected, or compromised passwords in IA-5 (1) (a).
SRG-APP-000850-WSR-000230The web server must, for password-based authentication, store passwords using an approved salted key derivation function, preferably using a keyed hash.
SRG-APP-000855-WSR-000240The web server must, for password-based authentication, require immediate selection of a new password upon account recovery.
SRG-APP-000860-WSR-000250The web server must, for password-based authentication, allow user selection of long passwords and passphrases, including spaces and all printable characters.
SRG-APP-000865-WSR-000260The web server must, for password-based authentication, employ automated tools to assist the user in selecting strong password authenticators.
SRG-APP-000870-WSR-000270The web server must, for password-based authentication, enforce organization-defined composition and complexity rules.
SRG-APP-000875-WSR-000280The web server must, for public key-based authentication, implement a local cache of revocation data to support path discovery and validation.
SRG-APP-000880-WSR-000290The web server must protect nonlocal maintenance sessions by separating the maintenance session from other network sessions with the system by logically separated communications paths.
SRG-APP-000910-WSR-000300The web server must include only approved trust anchors in trust stores or certificate stores managed by the organization.
SRG-APP-000915-WSR-000310The web server must provide protected storage for cryptographic keys with organization-defined safeguards and/or hardware protected key store.
SRG-APP-000920-WSR-000320The web server must synchronize system clocks within and between systems or system components.
SRG-APP-000925-WSR-000330The web server must compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.
SRG-APP-000219-WSR-000190The web server must restrict a consistent inbound source IP for the entire management session.
SRG-APP-000219-WSR-000191The web server must restrict a consistent inbound source IP for the entire user session.
SRG-APP-000439-WSR-000192The web server must use HTTP/2, at a minimum.
SRG-APP-000439-WSR-000193The web server must disable HTTP/1.x downgrading.
SRG-APP-000251-WSR-000194The web server must interpret and normalize ambiguous HTTP requests or terminate the TCP connection.
SRG-APP-000251-WSR-000195The web server must terminate the connection if server-level exceptions are triggered when handling requests to prevent HTTP request smuggling attacks.
SRG-APP-000439-WSR-000196The web server must only use forward proxies that route HTTP/2 requests upstream.
SRG-APP-000334-WSR-000024The web server must uniquely identify and authenticate source by organization, system, application, and/or individual for information transfer.
SRG-APP-001035-WSR-000340The web server must be a version supported by the vendor.