External access question

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L1 Bithead

External access question

Hi, I am a network admin and sometimes SQL admin. I have been asked to allow a consultant to build a database reporting server on our network. He will VPN into our network through a Palo Alto firewall and use RDP to access a single non-domain server called "Reports." A firewall rule will control this access. On the Reports server, the consultant will log in with a non-admin account, but have db-owner rights to SQL Server. He will use SQL Server to connect with two other SQL Servers on the network with read-only permissions.

 

Does anyone see any holes in this scheme? I want to make sure the consultant can't do anything else on the internal network except build a database on Reports and query/collect data on the two other SQL servers. I don't have much control over the security configuration of the consultants computer. Should I go so far as to isolate the Reports server on a Palo Alto controlled subnet?

 

Any suggestions are appreciated.


Accepted Solutions
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Cyber Elite

Hello,

Sounds like a good plan. I would even try to microsegment that server into its own zone. You could even get crazier and have them have their own VPN profile, but that is overkill.

 

Regards,

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L4 Transporter

I would put the reports server in it's own ZONE (or your DMZ at a push) and only allow the required traffic from that ZONE to the SQL server on the production network.

 

Rob

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All Replies
Highlighted
Cyber Elite

Hello,

Sounds like a good plan. I would even try to microsegment that server into its own zone. You could even get crazier and have them have their own VPN profile, but that is overkill.

 

Regards,

View solution in original post

Highlighted
L4 Transporter

I would put the reports server in it's own ZONE (or your DMZ at a push) and only allow the required traffic from that ZONE to the SQL server on the production network.

 

Rob

View solution in original post

Highlighted
L1 Bithead

Thanks Otakar and Robin,

 

It's reassuring to hear your positive feedback on this design. I will also create the zone...first time zone for me, but I should be able to follow the design of a similar zone already in place.

 

Thanks!

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