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Apache Server 2.4 UNIX Site Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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 have Multipurpose Internet Mail Extensions (MIME) that invoke operating system 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 functionality than is needed for the operation of the h...
    Rule Medium Severity
  • The Apache web server must have resource mappings set to disable the serving of certain file types.

    Resource mapping is the process of tying a particular file type to a process in the web server that can serve that type of file to a requesting client and to identify which file types are not to be...
    Rule Medium 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
  • Only authenticated system administrators or the designated PKI Sponsor for the Apache web server must have access to the Apache web servers private key.

    The web server's private key is used to prove the identity of the server to clients and securely exchange the shared secret key used to encrypt communications between the web server and clients. ...
    Rule Medium Severity
  • The Apache web server must display a default hosted application web page, not a directory listing, when a requested web page cannot be found.

    The goal is to completely control the web user's experience in navigating any portion of the web document root directories. Ensuring all web content directories have at least the equivalent of an i...
    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 an Apache web server includes any information about the Apache web server, backend systems being accessed, and plu...
    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 Apache web server and plug-ins or modules being used. When debuggi...
    Rule Medium Severity
  • The Apache web server must set an inactive 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
  • 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
  • The Apache web server application, libraries, and configuration files must only be accessible to privileged users.

    The Apache web server can be modified through parameter modification, patch installation, upgrades to the Apache web server or modules, and security parameter changes. With each of these changes, t...
    Rule Medium Severity
  • 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 that they have security controls and identity vetting procedures in place that are sufficient for DOD systems to rely on the identity asserte...
    Rule Medium Severity
  • Cookies exchanged between the Apache web server and the client, such as session cookies, must have cookie properties set to force the encryption of cookies.

    Cookies can be sent to a client using TLS/SSL to encrypt the cookies, but TLS/SSL is not used by every hosted application since the data being displayed does not require the encryption of the trans...
    Rule Medium Severity
  • 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

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