Configuration of the DMZ for MS access

I set up a DMZ for a Web server. I'll probably put an RODC in there later, but for now I want to open ports to the domain controller.

I'm a bit new to DMZ and I'm a bit confused.

I put in place services for different ports and then configure the rules of lan/dmz coming out of the demilitarized zone to the domain controller, but I get no connection.

I have the DMZ a 10.0.0.1 / 255.255.240.0
The value 10.0.0.5 Web server / 255.255.255.240.0
Gateway is 10.0.0.1

DNS server on the primary domain controller 192.168.10.1

I opened the ports following services:

Kerberos 88 (TCP, UDP)
Time 123 (UDP)
135 Kerberos authentication (TCP)
LDAP 389
LDAP 445
MS DS 3268 (TCP)
1025-4999 RPC Ports (TCP)

In the rules of the DMZ Lan, for those leaving, should I simply specify the machine side of DMZ DMZ users or do I need to specify the side Lan Lan users too?

Then I need to duplicate these ports in the Incoming, correct?

Any help in pointing to the relevant documentation would be great.

No, you should not need to configure static routes, unless you have something weird going. You can check the network path by adding rules incoming/outgoing ICMP LAN DMZ (ICMP-TYPE-8, to be precise) and ping back and forth between the DC and the Web server (ensuring any intermediate software firewall is disabled). If you can test in both directions, then you know with certainty that none of the static routes are needed.

Tags: Netgear

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