ASP.NET version must be removed from the HTTP Response Header information.

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ASP.NET version must be removed from the HTTP Response Header information.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-241789	IIST-SV-000215	SV-241789r879655_rule		Low

Description
HTTP Response Headers contain information that could enable an attacker to gain access to an information system. Failure to prevent the sending of certain HTTP Response Header information to remote requesters exposes internal configuration information to potential attackers.

STIG	Date
Microsoft IIS 10.0 Server Security Technical Implementation Guide	2023-03-08

Details

Check Text ( C-45065r695282_chk )
Open the IIS 10.0 Manager. Under the "Connections" pane on the left side of the management console, select the IIS 10.0 web server. Click the HTTP Response Headers button. Click to select the “X-Powered-By” HTTP Header. If “X-Powered-By” has not been removed, this is a finding.

Fix Text (F-45024r695283_fix)
Open the IIS 10.0 Manager. Under the "Connections" pane on the left side of the management console, select the IIS 10.0 web server. Click the HTTP Response Headers button. Click to select the “X-Powered-By” HTTP Header. Click “Remove” in the Actions Panel. Note: This can be performed multiple ways, this is an example.