From Palo Alto Networks ALG Security Technical Implementation Guide
Part of SRG-NET-000512-ALG-000066
Associated with: CCI-000366 CCI-001125
Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observed deviations in the normal RFC behavior of a protocol or service. This type of monitoring allows for the detection of known and unknown exploits that exploit weaknesses of commonly used protocols. The device must be configured to inspect inbound and outbound HTTP communications traffic to detect protocol anomalies such as malformed message and command insertion attacks.
Ask the Administrator which Security Policy inspects authorized HTTP traffic. Go to Policies >> Security Select the identified Security Policy. If the "Profile" column does not display the "Antivirus Profile" symbol, this is a finding. If the "Profile" column does not display the "Vulnerability Protection Profile" symbol, this is a finding.
If HTTP is authorized, configure a security policy to allow it and inspect it. Go to Policies >> Security Select "Add" to create a new security policy or select the name of the security policy to edit it. In the "Security Policy Rule" window, complete the required fields. In the "Name" tab, complete the "Name" and "Description" fields. In the "Source" tab, complete the "Source Zone" and "Source Address" fields. In the "User" tab, complete the "Source User" and "HIP Profile" fields. In the "Destination" tab, complete the "Destination Zone" and "Destination Address" fields. In the "Applications" tab, either select the "Any" check box or add web-browsing. Configured filters and groups can be selected if the group includes web-browsing. In the "Actions" tab, select "allow". In the "Actions" tab in the "Profile Setting" section; in the "Profile Type" field, select "Profiles". The window will change to display the different categories of Profiles. In the "Profile Setting" section; in each of the Profile fields, select the configured Profile. Note: An Antivirus Profile and an Antispyware Profile are required.
Lavender hyperlinks in small type off to the right (of CSS
class id
, if you view the page source) point to
globally unique URIs for each document and item. Copy the
link location and paste anywhere you need to talk
unambiguously about these things.
You can obtain data about documents and items in other
formats. Simply provide an HTTP header Accept:
text/turtle
or
Accept: application/rdf+xml
.
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