DMZ server to Internal LAN communication

Posted on 2010-09-20
Last Modified: 2013-11-16
I have a stupid question.  Stupid because I have done this in the past, and cannot for the life of me remember how I did it.

I have a server on the DMZ of my ASA-5540 with an IP address of and I need it to access my SQL server on my internal protected network which has an IP address of

I thought the command(s) to do this was something like below, but it is not working, and it has been literally 5 years since I last did this, and just cannot remember.  Any help would be greatly appreciated.

access-list DMZ extended permit tcp any host eq 1433

static (inside,DMZ) netmask

Thank you for any assistance in advance,

Question by:jgrammer42
  • 2

Expert Comment

ID: 33715813
Are you applying the access-list to the interface?  From the example you missing the access-group DMZ <nic> inbound


Author Comment

ID: 33715912

Yes, I am.   I should have added that to my original post.  I do have the following command set in the ASA configuration.

access-group DMZ in interface dmz

Sorry about that.

Thank you,
LVL 17

Accepted Solution

Kvistofta earned 125 total points
ID: 33716029
no static (inside,DMZ) netmask
static (inside,DMZ)


Author Comment

ID: 33716118


That appears to have done it.

Thank you!


Featured Post

Courses: Start Training Online With Pros, Today

Brush up on the basics or master the advanced techniques required to earn essential industry certifications, with Courses. Enroll in a course and start learning today. Training topics range from Android App Dev to the Xen Virtualization Platform.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Line cards, Supervisor, Control plane 7 37
Setting up a VPN 60 140
Cisco UCS: C-Series, bios failed power-on self test 2 37
VLANs and isolation / private networks 3 37
Microservice architecture adoption brings many advantages, but can add intricacy. Selecting the right orchestration tool is most important for business specific needs.
This past year has been one of great growth and performance for OnPage. We have added many features and integrations to the product, making 2016 an awesome year. We see these steps forward as the basis for future growth.
As a trusted technology advisor to your customers you are likely getting the daily question of, ‘should I put this in the cloud?’ As customer demands for cloud services increases, companies will see a shift from traditional buying patterns to new…
Both in life and business – not all partnerships are created equal. Spend 30 short minutes with us to learn:   • Key questions to ask when considering a partnership to accelerate your business into the cloud • Pitfalls and mistakes other partners…

776 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question