STIGQter STIGQter: STIG Summary:

Web Server Security Requirements Guide

Version: 4

Release: 5 Benchmark Date: 01 Jul 2026

CheckedNameTitle
SV-206350r960735_ruleThe web server must limit the number of allowed simultaneous session requests.
SV-206351r960735_ruleThe web server must perform server-side session management.
SV-206352r960759_ruleThe web server must use encryption strength in accordance with the categorization of data hosted by the web server when remote connections are provided.
SV-206353r960762_ruleThe web server must use cryptography to protect the integrity of remote sessions.
SV-206354r960765_ruleThe web server must generate information to be used by external applications or entities to monitor and control remote access.
SV-206355r1138069_ruleThe web server must enforce approved authorizations for logical access to hosted applications and resources in accordance with applicable access control policies.
SV-206356r960879_ruleThe web server must generate, at a minimum, log records for system startup and shutdown, system access, and system authentication events.
SV-206357r960888_ruleThe web server must initiate session logging upon start up.
SV-206359r962395_ruleThe web server must produce log records containing sufficient information to establish what type of events occurred.
SV-206360r960894_ruleThe web server must produce log records containing sufficient information to establish when (date and time) events occurred.
SV-206361r1022706_ruleThe web server must produce log records containing sufficient information to establish where within the web server the events occurred.
SV-206362r960900_ruleThe web server must produce log records containing sufficient information to establish the source of events.
SV-206363r960900_ruleA 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.
SV-206364r960903_ruleThe web server must produce log records that contain sufficient information to establish the outcome (success or failure) of events.
SV-206365r960906_ruleThe web server must produce log records containing sufficient information to establish the identity of any user/subject or process associated with an event.
SV-206366r960912_ruleThe web server must use a logging mechanism that is configured to alert the ISSO and SA in the event of a processing failure.
SV-206367r960927_ruleThe web server must use the internal system clock to generate time stamps for log records.
SV-206368r960930_ruleWeb server log files must only be accessible by privileged users.
SV-206369r960933_ruleThe log information from the web server must be protected from unauthorized modification.
SV-206370r960936_ruleThe log information from the web server must be protected from unauthorized deletion.
SV-206371r960948_ruleThe log data and records from the web server must be backed up onto a different system or media.
SV-206372r984351_ruleAll web server files must be verified for their integrity (e.g., checksums and hashes) before becoming part of the production web server.
SV-206373r984352_ruleExpansion modules must be fully reviewed, tested, and signed before they can exist on a production web server.
SV-206374r960963_ruleThe web server must not perform user management for hosted applications.
SV-206375r960963_ruleThe web server must only contain services and functions necessary for operation.
SV-206376r960963_ruleThe web server must not be a proxy server.
SV-206377r960963_ruleThe web server must provide install options to exclude the installation of documentation, sample code, example applications, and tutorials.
SV-206378r960963_ruleWeb 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.
SV-206379r960963_ruleThe web server must provide install options to exclude installation of utility programs, services, plug-ins, and modules not necessary for operation.
SV-206380r960963_ruleThe web server must have Multipurpose Internet Mail Extensions (MIME) that invoke OS shell programs disabled.
SV-206381r960963_ruleThe web server must allow the mappings to unused and vulnerable scripts to be removed.
SV-206382r960963_ruleThe web server must have resource mappings set to disable the serving of certain file types.
SV-206383r960963_ruleThe web server must have Web Distributed Authoring (WebDAV) disabled.
SV-206384r960963_ruleThe web server must protect system resources and privileged operations from hosted applications.
SV-206385r960963_ruleUsers and scripts running on behalf of users must be contained to the document root or home directory tree of the web server.
SV-206386r1043177_ruleThe web server must be configured to use a specified IP address and port.
SV-206387r1207727_ruleThe web server must encrypt passwords during transmission.
SV-206388r961038_ruleThe web server must perform RFC 5280-compliant certification path validation.
SV-206389r961041_ruleOnly authenticated system administrators or the designated PKI Sponsor for the web server must have access to the web servers private key.
SV-206390r961050_ruleThe 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.
SV-206391r961050_ruleThe 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.
SV-206392r961083_ruleA web server utilizing mobile code must meet DoD-defined mobile code requirements.
SV-206393r1138072_ruleWeb server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts.
SV-206394r1138073_ruleAnonymous user access to the web server application directories must be prohibited.
SV-206395r1138074_ruleThe web server must separate the hosted applications from hosted web server management functionality.
SV-206396r1043179_ruleThe web server must invalidate session identifiers upon hosted application user logout or other session termination.
SV-206397r1043180_ruleCookies 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.
SV-206398r1043180_ruleThe web server must accept only system-generated session identifiers.
SV-206399r1043181_ruleThe web server must generate a unique session identifier for each session using a FIPS 140-2 approved random number generator.
SV-206400r1043181_ruleThe web server must generate unique session identifiers that cannot be reliably reproduced.
SV-206401r1043181_ruleThe web server must generate a session ID long enough that it cannot be guessed through brute force.
SV-206402r1043181_ruleThe web server must generate a session ID using as much of the character set as possible to reduce the risk of brute force.
SV-206403r1043181_ruleThe web server must generate unique session identifiers with definable entropy.
SV-206404r961122_ruleThe web server must augment re-creation to a stable and known baseline.
SV-206405r961122_ruleThe web server must be built to fail to a known safe state if system initialization fails, shutdown fails, or aborts fail.
SV-206406r961122_ruleThe web server must provide a clustering capability.
SV-206407r1029555_ruleInformation at rest must be encrypted using a DOD-accepted algorithm to protect the confidentiality and integrity of the information.
SV-206408r961131_ruleThe web server document directory must be in a separate partition from the web servers system files.
SV-206409r961152_ruleThe web server must restrict the ability of users to launch Denial of Service (DoS) attacks against other information systems or networks.
SV-206410r961158_ruleThe web server must limit the character set used for data entry.
SV-206411r961167_ruleThe web server must display a default hosted application web page, not a directory listing, when a requested web page cannot be found.
SV-206412r961167_ruleWarning and error messages displayed to clients must be modified to minimize the identity of the web server, patches, loaded modules, and directory paths.
SV-206413r961167_ruleDebugging and trace information used to diagnose the web server must be disabled.
SV-206414r1043182_ruleThe web server must set an absolute session timeout value of eight hours or less.
SV-206415r1043182_ruleThe web server must set an inactive timeout for sessions.
SV-206416r961278_ruleRemote access to the web server must follow access policy or work in conjunction with enterprise tools designed to enforce policy requirements.
SV-206417r961278_ruleThe web server must restrict inbound connections from nonsecure zones.
SV-206418r961281_ruleThe web server must provide the capability to immediately disconnect or disable remote access to the hosted applications.
SV-206419r961353_ruleNon-privileged accounts on the hosting system must only access web server security-relevant information and functions through a distinct administrative account.
SV-206421r961392_ruleThe 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.
SV-206422r961395_ruleThe web server must not impede the ability to write specified log record content to an audit log server.
SV-206423r961395_ruleThe web server must be configurable to integrate with an organizations security infrastructure.
SV-206424r961398_ruleThe 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.
SV-206425r961443_ruleThe web server must generate log records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
SV-206426r961446_ruleThe web server must record time stamps for log records to a minimum granularity of one second.
SV-206427r961461_ruleThe web server application, libraries, and configuration files must only be accessible to privileged users.
SV-206428r961470_ruleThe web server must prohibit or restrict the use of nonsecure or unnecessary ports, protocols, modules, and/or services.
SV-206430r965407_ruleThe web server must only accept client certificates (user and machine) issued by DOD PKI or DOD-approved PKI Certificate Authorities (CAs).
SV-206431r1022705_ruleThe web server must encrypt user identifiers and passwords.
SV-206432r961620_ruleThe web server must be protected from being stopped by a non-privileged user.
SV-206433r961620_ruleThe web server must be tuned to handle the operational requirements of the hosted application.
SV-206434r961632_ruleThe web server must employ cryptographic mechanisms (TLS/DTLS/SSL) preventing the unauthorized disclosure of information during transmission.
SV-206435r961632_ruleWeb server session IDs must be sent to the client using SSL/TLS.
SV-206436r961632_ruleWeb server cookies, such as session cookies, sent to the client using SSL/TLS must not be compressed.
SV-206437r961632_ruleCookies 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.
SV-206438r961632_ruleCookies exchanged between the web server and the client, such as session cookies, must have cookie properties set to force the encryption of cookies.
SV-206439r961632_ruleA web server must maintain the confidentiality of controlled information during transmission through the use of an approved TLS version.
SV-206440r961632_ruleThe web server must remove all export ciphers to protect the confidentiality and integrity of transmitted information.
SV-206441r961638_ruleThe web server must maintain the confidentiality and integrity of information during preparation for transmission.
SV-206442r961641_ruleThe web server must maintain the confidentiality and integrity of information during reception.
SV-206443r1138080_ruleThe 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).
SV-206444r961863_ruleAll accounts installed with the web server software and tools must have passwords assigned and default passwords changed.
SV-206445r961863_ruleThe 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.
SV-239371r1117186_ruleThe 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.
SV-264337r984356_ruleThe web server must disable accounts when the accounts have expired.
SV-264338r984359_ruleThe web server must disable accounts when the accounts are no longer associated to a user.
SV-264339r984362_ruleThe web server must implement the capability to centrally review and analyze audit records from multiple components within the system.
SV-264340r984365_ruleThe web server must alert organization-defined personnel or roles upon detection of unauthorized access, modification, or deletion of audit information.
SV-264341r984368_ruleThe web server must automatically generate audit records of the enforcement actions.
SV-264342r984371_ruleThe web server must require users to be individually authenticated before granting access to the shared accounts or resources.
SV-264343r984374_ruleThe 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.
SV-264344r984377_ruleThe 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.
SV-264345r984380_ruleThe web server must, for password-based authentication, maintain a list of commonly used, expected, or compromised passwords on an organization-defined frequency.
SV-264346r984383_ruleThe web server must, for password-based authentication, update the list of passwords on an organization-defined frequency.
SV-264347r984386_ruleThe web server must, for password-based authentication, update the list of passwords when organizational passwords are suspected to have been compromised directly or indirectly.
SV-264348r984389_ruleThe 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).
SV-264349r984392_ruleThe web server must, for password-based authentication, store passwords using an approved salted key derivation function, preferably using a keyed hash.
SV-264350r984395_ruleThe web server must, for password-based authentication, require immediate selection of a new password upon account recovery.
SV-264351r984398_ruleThe web server must, for password-based authentication, allow user selection of long passwords and passphrases, including spaces and all printable characters.
SV-264352r984401_ruleThe web server must, for password-based authentication, employ automated tools to assist the user in selecting strong password authenticators.
SV-264353r984404_ruleThe web server must, for password-based authentication, enforce organization-defined composition and complexity rules.
SV-264354r984407_ruleThe web server must, for public key-based authentication, implement a local cache of revocation data to support path discovery and validation.
SV-264355r984410_ruleThe web server must protect nonlocal maintenance sessions by separating the maintenance session from other network sessions with the system by logically separated communications paths.
SV-264356r984413_ruleThe web server must include only approved trust anchors in trust stores or certificate stores managed by the organization.
SV-264357r984416_ruleThe web server must provide protected storage for cryptographic keys with organization-defined safeguards and/or hardware protected key store.
SV-264358r984419_ruleThe web server must synchronize system clocks within and between systems or system components.
SV-264359r984422_ruleThe web server must compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.
SV-264360r1043178_ruleThe web server must restrict a consistent inbound source IP for the entire management session.
SV-264361r1067566_ruleThe web server must restrict a consistent inbound source IP for the entire user session.
SV-264362r984431_ruleThe web server must use HTTP/2, at a minimum.
SV-264363r984434_ruleThe web server must disable HTTP/1.x downgrading.
SV-264364r984437_ruleThe web server must interpret and normalize ambiguous HTTP requests or terminate the TCP connection.
SV-264365r984440_ruleThe web server must terminate the connection if server-level exceptions are triggered when handling requests to prevent HTTP request smuggling attacks.
SV-264366r984443_ruleThe web server must only use forward proxies that route HTTP/2 requests upstream.
SV-279028r1138077_ruleThe web server must uniquely identify and authenticate source by organization, system, application, and/or individual for information transfer.
SV-279029r1138083_ruleThe web server must be a version supported by the vendor.