Apache Server 2.4 Windows Server Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Apache web server must restrict the ability of users to launch denial-of-service (DoS) attacks against other information systems or networks.
Apache web server can limit the ability of the web server being used in a DoS attack through several methods. The methods employed will depend upon the hosted applications and their resource needs ...Rule Medium Severity -
SRG-APP-000266-WSR-000159
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SRG-APP-000266-WSR-000160
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SRG-APP-000295-WSR-000012
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The Apache web server must set an absolute timeout for sessions.
Leaving sessions open indefinitely is a major security risk. An attacker can easily use an already authenticated session to access the hosted application as the previously authenticated user. By cl...Rule Medium Severity -
SRG-APP-000295-WSR-000134
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SRG-APP-000315-WSR-000004
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SRG-APP-000316-WSR-000170
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The Apache web server must be configured to immediately disconnect or disable remote access to the hosted applications.
During an attack on the Apache web server or any of the hosted applications, the system administrator may need to disconnect or disable access by users to stop the attack. The Apache web server mu...Rule Medium Severity -
SRG-APP-000340-WSR-000029
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Non-privileged accounts on the hosting system must only access Apache web server security-relevant information and functions through a distinct administrative account.
By separating Apache web server security functions from non-privileged users, roles can be developed that can then be used to administer the Apache web server. Forcing users to change from a non-pr...Rule Medium Severity -
SRG-APP-000356-WSR-000007
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An Apache web server that is part of a web server cluster must route all remote management through a centrally managed access control point.
A web server cluster is a group of independent Apache web servers that are managed as a single system for higher availability, easier manageability, and greater scalability. Without having centrali...Rule Medium Severity -
SRG-APP-000357-WSR-000150
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SRG-APP-000358-WSR-000063
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The Apache web server must not impede the ability to write specified log record content to an audit log server.
Writing events to a centralized management audit system offers many benefits to the enterprise over having dispersed logs. Centralized management of audit records and logs provides for efficiency i...Rule Medium Severity -
SRG-APP-000358-WSR-000163
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SRG-APP-000359-WSR-000065
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SRG-APP-000375-WSR-000171
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The Apache web server must generate log records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT) with a minimum granularity of one second.
If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis across multiple devices and log records. Time stamps generated by th...Rule Medium Severity -
SRG-APP-000427-WSR-000186
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The Apache web server must only accept client certificates issued by DoD PKI or DoD-approved PKI Certification Authorities (CAs).
Non-DoD-approved PKIs have not been evaluated to ensure they have security controls and identity vetting procedures in place that are sufficient for DoD systems to rely on the identity asserted in ...Rule Medium Severity -
SRG-APP-000435-WSR-000147
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The Apache web server must be protected from being stopped by a non-privileged user.
An attacker has at least two reasons to stop a web server. The first is to cause a denial of service (DoS), and the second is to put in place changes the attacker made to the web server configurati...Rule Medium Severity -
SRG-APP-000435-WSR-000148
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SRG-APP-000439-WSR-000153
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SRG-APP-000456-WSR-000187
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The Apache web server must install security-relevant software updates within the configured time period directed by an authoritative source (e.g., IAVM, CTOs, DTMs, and STIGs).
Security flaws with software applications are discovered daily. Vendors are constantly updating and patching their products to address newly discovered security vulnerabilities. Organizations (incl...Rule Medium Severity -
SRG-APP-000516-WSR-000079
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SRG-APP-000516-WSR-000174
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The Apache 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.
Configuring the Apache web server to implement organization-wide security implementation guides and security checklists guarantees compliance with federal standards and establishes a common securit...Rule Low Severity -
SRG-APP-000516-WSR-000174
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SRG-APP-000516-WSR-000174
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The Apache web server must alert the ISSO and SA (at a minimum) in the event of an audit processing failure.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an ...Rule Medium Severity -
The Apache web server must perform server-side session management.
Session management is the practice of protecting the bulk of the user authorization and identity information. Storing of this data can occur on the client system or on the server. When the session...Rule Medium Severity -
The Apache web server must produce log records containing sufficient information to establish what type of events occurred.
Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a correct replay of the events cannot be determined. Ascertaining the correct...Rule Medium Severity -
The Apache web server log files must only be accessible by privileged users.
Log data is essential in the investigation of events. If log data were to become compromised, competent forensic analysis and discovery of the true source of potentially malicious system activity w...Rule Medium Severity -
The log information from the Apache web server must be protected from unauthorized deletion and modification.
Log data is essential in the investigation of events. The accuracy of the information is always pertinent. Information that is not accurate does not help in the revealing of potential security risk...Rule Medium Severity -
The Apache 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 management function must perform several other tas...Rule Medium Severity -
The Apache web server must provide install options to exclude the installation of documentation, sample code, example applications, and tutorials.
Web server documentation, sample code, example applications, and tutorials may be an exploitable threat to a web server because this type of code has not been evaluated and approved. A production w...Rule High Severity -
The Apache web server must be configured to use a specified IP address and port.
The web server must be configured to listen on a specified IP address and port. Without specifying an IP address and port for the web server to use, the web server will listen on all IP addresses a...Rule Medium Severity -
The Apache web server must encrypt passwords during transmission.
Data used to authenticate, especially passwords, needs to be protected at all times, and encryption is the standard method for protecting authentication data during transmission. Data used to authe...Rule Medium Severity -
Apache 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 accounts on the machine hosting the web server. The...Rule Medium Severity -
The Apache web server must invalidate session identifiers upon hosted application user logout or other session termination.
Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and continuing to employ previously valid session IDs. Session IDs are tokens...Rule Medium Severity -
The Apache web server must accept only system-generated session identifiers.
Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. To maintain a connection or session, a web server will generate a session identi...Rule Medium Severity -
The Apache web server must generate unique session identifiers with definable entropy.
Generating a session identifier (ID) that is not easily guessed through brute force is essential to deter several types of session attacks. By knowing the session ID, an attacker can hijack a user ...Rule Medium Severity -
The Apache web server document directory must be in a separate partition from the Apache web servers system files.
A web server is used to deliver content on the request of a client. The content delivered to a client must be controlled, allowing only hosted application files to be accessed and delivered. To all...Rule Medium Severity -
Warning and error messages displayed to clients must be modified to minimize the identity of the Apache web server, patches, loaded modules, and directory paths.
Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information about the web server, backend systems being accessed, and plug-ins or module...Rule Medium Severity -
Debugging and trace information used to diagnose the Apache web server must be disabled.
Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information about the web server and plug-ins or modules being used. When debugging or t...Rule Medium Severity -
The Apache web server must set an inactive timeout for completing the TLS handshake
Leaving sessions open indefinitely is a major security risk. An attacker can easily use an already authenticated session to access the hosted application as the previously authenticated user. Tim...Rule Medium Severity
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