Windows Servers in DMZ - managed via AD or standalone?
Your DMZ servers being joined to your internal domain is a risk that should be avoided. Usually a separated Active Directory domain for your DMZ, or running each server standalone is the best option. A small environment might be fine with standalone, but beyond a dozen or so servers, or with a larger team of staff, a separate domain might be ...
Ideal system architecture for sensitive data access through DMZ
Nov 9, 2024 · Reverse Proxy@DMZ -> API Gateway@DMZ -> App@Internal -> (Data Access Service@Internal) -> DB@Internal. Basically, API gateways are simple applications with few dependencies, and thus offering a much smaller attack surface that the main app. Whether a data access service is needed is questionable.
DMZ-Hosting for VOIP services...To Use or Not To Use?
Oct 24, 2014 · Doing a DMZ on a voip telephone adapter doesn't cause harm to your network. The right way to do a DMZ is to assign a DMZ Host on your router and assign the same IP for your VTA, this will result in your VTA being exposed to the Internet; the other devices connected to your router (computers, phones, etc) will still remain protected behind the ...
DMZ for outbound connections - Information Security Stack …
Aug 28, 2015 · DMZ aren't limited to public facing services. It is common to use a DMZ for app servers, and hide DB servers behind an additional layer, but the direction of the communication isn't really as important as the segregation and the layering. I say that because the OP said "from a design perspective" and we can limit risk by design. –
firewalls - Public DMZ network architecture - Information Security ...
Apr 19, 2012 · My past designs are more complext than a front and back FW. In an extremely highly secured ISP/DMZ design, I architected FW, IPS, front VIP network, DMZ VIP Load Balancers, Private Farm networks, then the back-end Internal Facing FWs. Each of these layers adds a unique additional barrier to entry for the hacker to get through.
Dual Firewall DMZ - Information Security Stack Exchange
Mar 27, 2014 · In the traditional design you have the servers in the DMZ are ones which would accept connections from the Internet (outside world). The LAN traditionally could send packets to the outside world and recieve the responses to those requests but no incoming request from the outside world could be initiated to enter the LAN.
email - Why it is so widely tolerated to allow SMTP server in DMZ …
Oct 21, 2022 · So the connection is initiated from the LAN to the DMZ. The SMTP server in the DMZ only answers to the LAN server. I read some topics here and found that this is commonly admitted as a tolerable exception of the "no DMZ to LAN flow". I understand that only ONE stream, from DMZ to ONE asset in the LAN on ONE TCP port only is a low risk.
Databases in DMZ and Intranet - Information Security Stack …
May 17, 2014 · The point of a DMZ is to place any systems in there which must be reached by external systems directly but also require access to backend systems which must not be accessed directly by external systems. A backend database used by a public-facing website is a perfect example of such a backend system which should not be placed in the DMZ but ...
Any network related security benefits using RODC (Read Only DC) …
Jun 30, 2014 · Microsoft released an article about putting domain controllers in the DMZ which proves an interesting read. Many believe that many internet-facing proprietary MS products can be exposed the internet with minimal risk (such as Exchange) which is why they discontinued TMG, however you'll need to address the requirements for a DC in the DMZ in ...
What is the best practice for placing database servers in secure ...
Feb 11, 2016 · So many times I see the crown jewels of a company wide open on the internal network for all users to probe and access. Going a step further you could have a database admin VLAN only only allow systems within this VLAN permission to access the databases (apart from the application that needs to access it from the DMZ of course). Hope this helps.