PCI-1.3.4:: Difference between revisions

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:'''Build a firewall configuration that restricts connections between publicly accessible servers and any system component storing cardholder data, including any connections from wireless networks. This firewall configuration should include:'''<br>
:'''Do not allow internal addresses to pass from the Internet into the DMZ.'''<br>
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:* Examine firewall/router configurations to verify that connections are restricted between publicly accessible servers and components storing cardholder data, as follows:
:* Verify that internal addresses cannot pass from the Internet into the DMZ.
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::'''PCI-1.3.4:''' Determine that the firewall performs stateful inspection (dynamic packet filtering). (Only established connections should be allowed in, and only if they are associated with a previously established session.
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Latest revision as of 11:08, 16 June 2010


Do not allow internal addresses to pass from the Internet into the DMZ.


  • Verify that internal addresses cannot pass from the Internet into the DMZ.



Testing Procedures

Engage a port scanner such as [NMAP] on all TCP and UDP ports with “syn reset” or ”syn ack” bits set.

  • A response means packets are allowed through even if they are not part of a previously established session.

Testing Frequency

Quarterly scans for all production systems currently in use or new systems prior to production deployment.

Evidence Archive Location

Insert hyperlink or location of evidence archive.

Control Stewards Process Narrative

Provide control steward commentary indicating the formal methodology in place.


Control Steward – Jane Manager

Process Illustration

Replace this test by inserting a process diagram, flowchart or other visual representation to illustrate the process narrative as necessary. Include a brief description of the process illustration.

Control Status and Auditors Commentary

The control is effective.


File:Greenlock.jpg

Status is acceptable.

Control Exception Commentary

Status is acceptable.

Remediation Plan

Remediation is not required at this time.


--Mdpeters 08:59, 27 February 2007 (EST)