DMZ host unable to reach itself using own public ip

Technical Support for Routers
1

I've enable DMZ in GL-AXT1800 on one of the systems with reserved dhcp address in the LAN. Now from DMZ host i'm unable to ping or http or ssh to itself using own public ip. however i can connect to it using public ip from other systems on LAN or external network.

It's same issue if i use port forwarding instead of DMZ. I forwarded 22 port to the same machine and can't ssh public ip from it to itself.

I heard its called hairpin NAT, how to fix this on GL-AXT1800

2

Hello,

Is the firmware version of the AXT1800 v4.7.0?

Seems I reproduced on this version, and it works well on v4.6.8.

I will submit this issue to R&D to check, thanks.

1 Like
4

yes my version is 4.7.0. I didn't notice this before. btw its a different setup before.

5

Thanks.

We are aware of this issue.

If you mind this situation, you can downgrade to v4.6.8 (please don't keep settings).

In addition, why do you use domain names or WAN public IP to access the DMZ in the LAN?