Question

PCI Compliance

Asked by: webiis

What remote access software is PCI Compliant?  VNC/ RDP ?

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Asked On
2009-10-21 at 10:35:27ID24831597
Topics

Internet Security

,

Virtual Private Networking (VPN)

,

Encryption for Network Security

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: richrumblePosted on 2009-10-21 at 13:40:55ID: 25628150

If you mean from a VPN/Remote access perspective... Neither without 2-factor authentication.
If you mean for general lan remote administration, then RDP is the clear chioce as VNC passwords are limited to 8 characters and the protocol is not encrypted by default and is mostly compressed instead of encrypted.

https://www.pcisecuritystandards.org/security_standards/download.html?id=pci_dss_v1-2.pdf
Is your question is pertaining for 2.2.3, or 2.3? I have a feeling you meant 8.3 though.
-rich

 

by: MikeHolcombPosted on 2009-10-21 at 14:50:43ID: 25628889

For PCI Compliance, simply having this remote administrative applications open to an unsecured network such as the Internet violates the PCI regulations.  If you're allowing remote administration from the Internet, you'll want to configure a remote client VPN - usually done with your firewall or even Internet router.  With this configuration, you can configure your firewall to not allow remote access from the Internet - which immediately brings you into compliance.  

For users that do need to access internal resources from a remote system, they would connect to the VPN and then use whatever application (RDP, VNC, etc) to access the internal server.

Hope this helps...

Mike

 

by: webiisPosted on 2009-10-23 at 06:32:25ID: 25644211

Good information MikeHolcomb.

Do you know if outlook RPC over HTTPS is PCI Compliant?
If that is then I will be happy.
I would imageing if it's https you should be able to have web outlook? port 443

 

by: richrumblePosted on 2009-10-23 at 06:42:19ID: 25644311

There are no PCI regulations about email or email encryption, it's about protecting Personally Identifiable/Credit Card information using security best practices. Please read the spec sheet I linked to above. If you have credit-card data being sent via email, it should not be plain-text from recipient or to reciever, OWA access is only checking your mail via https, so the emails themselves (as I'm sure you know) are still sent very very plain text. Your original question was about remote access, do you have RDP or VNC open on the outside public IP space? You can, there are ways you can make that PCI compliant, but it's not unless there are some added security measures. PCI isn't a strict rule-book, it allows for compensating controls, so if it's requiring you to have two-factor authentication for VPN users, and you use a whitelist of your users home IP's and only use username/password for VPN, you can still pass PCI because of the compensating control using the whitelist ACL for instance.
-rich

 

by: webiisPosted on 2009-10-23 at 06:50:26ID: 31644083

good info guys.

20120131-EE-VQP-002

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