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Microsoft IIS 10.0 Server Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000316-WSR-000170

    <GroupDescription></GroupDescription>
    Group
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  • The IIS 10.0 web server must provide the capability to immediately disconnect or disable remote access to the hosted applications.

    &lt;VulnDiscussion&gt;During an attack on the web server or any of the hosted applications, the system administrator may need to disconnect or disa...
    Rule Medium Severity
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  • SRG-APP-000340-WSR-000029

    <GroupDescription></GroupDescription>
    Group
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  • IIS 10.0 web server system files must conform to minimum file permission requirements.

    &lt;VulnDiscussion&gt;This check verifies the key web server system configuration files are owned by the SA or the web administrator controlled acc...
    Rule Medium Severity
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  • SRG-APP-000357-WSR-000150

    <GroupDescription></GroupDescription>
    Group
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  • 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.

    &lt;VulnDiscussion&gt;To ensure the logging mechanism used by the web server has sufficient storage capacity in which to write the logs, the loggin...
    Rule Medium Severity
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  • SRG-APP-000380-WSR-000072

    <GroupDescription></GroupDescription>
    Group
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  • Access to web administration tools must be restricted to the web manager and the web managers designees.

    &lt;VulnDiscussion&gt;A web server can be modified through parameter modification, patch installation, upgrades to the web server or modules, and s...
    Rule Medium Severity
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  • SRG-APP-000383-WSR-000175

    <GroupDescription></GroupDescription>
    Group
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  • The IIS 10.0 web server must not be running on a system providing any other role.

    &lt;VulnDiscussion&gt;Web servers provide numerous processes, features, and functionalities that utilize TCP/IP ports. Some of these processes may ...
    Rule Medium Severity
    Show

  • SRG-APP-000383-WSR-000175

    <GroupDescription></GroupDescription>
    Group
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  • The Internet Printing Protocol (IPP) must be disabled on the IIS 10.0 web server.

    &lt;VulnDiscussion&gt;The use of IPP on an IIS web server allows client access to shared printers. This privileged access could allow remote code e...
    Rule Medium Severity
    Show

  • SRG-APP-000435-WSR-000148

    <GroupDescription></GroupDescription>
    Group
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  • The IIS 10.0 web server must be tuned to handle the operational requirements of the hosted application.

    &lt;VulnDiscussion&gt;A Denial of Service (DoS) can occur when the web server is overwhelmed and can no longer respond to additional requests. A we...
    Rule Medium Severity
    Show

  • SRG-APP-000439-WSR-000152

    <GroupDescription></GroupDescription>
    Group
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  • IIS 10.0 web server session IDs must be sent to the client using TLS.

    &lt;VulnDiscussion&gt;The HTTP protocol is a stateless protocol. To maintain a session, a session identifier is used. The session identifier is a p...
    Rule Medium Severity
    Show

  • SRG-APP-000439-WSR-000156

    <GroupDescription></GroupDescription>
    Group
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  • 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.

    &lt;VulnDiscussion&gt;TLS encryption is a required security setting for a private web server. Encryption of private information is essential to ens...
    Rule High Severity
    Show

  • SRG-APP-000439-WSR-000156

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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.

    &lt;VulnDiscussion&gt;TLS is a required transmission protocol for a web server hosting controlled information. The use of TLS provides confidential...
    Rule Medium Severity
    Show

  • SRG-APP-000516-WSR-000079

    <GroupDescription></GroupDescription>
    Group
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  • All accounts installed with the IIS 10.0 web server software and tools must have passwords assigned and default passwords changed.

    &lt;VulnDiscussion&gt;During installation of the web server software, accounts are created for the web server to operate properly. The accounts ins...
    Rule High Severity
    Show

  • SRG-APP-000516-WSR-000174

    <GroupDescription></GroupDescription>
    Group
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  • Unspecified file extensions on a production IIS 10.0 web server must be removed.

    &lt;VulnDiscussion&gt;By allowing unspecified file extensions to execute, the web servers attack surface is significantly increased. This increased...
    Rule Medium Severity
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  • SRG-APP-000516-WSR-000174

    <GroupDescription></GroupDescription>
    Group
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  • The IIS 10.0 web server must have a global authorization rule configured to restrict access.

    &lt;VulnDiscussion&gt;Authorization rules can be configured at the server, website, folder (including Virtual Directories), or file level. It is re...
    Rule Medium Severity
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  • SRG-APP-000001-WSR-000001

    <GroupDescription></GroupDescription>
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  • The IIS 10.0 websites MaxConnections setting must be configured to limit the number of allowed simultaneous session requests.

    &lt;VulnDiscussion&gt;Resource exhaustion can occur when an unlimited number of concurrent requests are allowed on a website, facilitating a Denial...
    Rule Medium Severity
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  • SRG-APP-000516-WSR-000174

    <GroupDescription></GroupDescription>
    Group
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  • The IIS 10.0 web server must enable HTTP Strict Transport Security (HSTS).

    &lt;VulnDiscussion&gt;HTTP Strict Transport Security (HSTS) ensures browsers always connect to a website over TLS. HSTS exists to remove the need f...
    Rule Low Severity
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  • SRG-APP-000141-WSR-000075

    <GroupDescription></GroupDescription>
    Group
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  • An IIS Server configured to be a SMTP relay must require authentication.

    &lt;VulnDiscussion&gt;Anonymous SMTP relays are strictly prohibited. An anonymous SMTP relay can be a vector for many types of malicious activity n...
    Rule Medium Severity
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  • SRG-APP-000266-WSR-000159

    <GroupDescription></GroupDescription>
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  • HTTPAPI Server version must be removed from the HTTP Response Header information.

    &lt;VulnDiscussion&gt;HTTP Response Headers contain information that could enable an attacker to gain access to an information system. Failure to p...
    Rule Low Severity
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  • SRG-APP-000266-WSR-000159

    <GroupDescription></GroupDescription>
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  • ASP.NET version must be removed from the HTTP Response Header information.

    &lt;VulnDiscussion&gt;HTTP Response Headers contain information that could enable an attacker to gain access to an information system. Failure to p...
    Rule Low Severity
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  • SRG-APP-000141-WSR-000015

    <GroupDescription></GroupDescription>
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  • The Request Smuggling filter must be enabled.

    &lt;VulnDiscussion&gt;Security scans show Request Smuggling vulnerability on IIS server. The vulnerability allows a remote attacker to perform HTT...
    Rule Medium Severity
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Node 2

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