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DNAT Setup not working

Maik Purwin

Hi,

i have installed latest XG 17.03 MR-3 as Nat Setup. I have Port1 for Lan (static) and Port2 for WAN (static). Routing from WAN is like that: WAN -> ISP Router -> XG -> Clients . I want to use DNAT for e.g. SSH to rewrite from Port 2222 to 22. I read DNAT Howto and set it up like this. It has worked one time, but since that any more. Firwall Rule is like that:

  • Source = WAN
  • Allowed Networks = Any
  • Blocking = empty
  • Destination = Server-IP (Client LAN)
  • Service = i created a new one for Port 2222
  • Rout to = Server-IP (Client LAN)
  • Port = 22
  • Zone = LAN
  • Change Port = unchecked
  • Default for advanced options, no masqu, no reflex rule
  • Firwall Logging = checked

I cant see any hint of Problems in Logs. Any help?

thx



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  • 0

    Hi Mark,

    As you have a ISP router in place ,you XG firewall does not have a public IP (unless you have bridged the ISP router). 

    Configuration on ISP router

    Create a Virtual host/DNAT rule for port  Source as 1:65535 or * and destination as 2222 mapped to port 22222 to XG firewall WAN interface.

    Configuration on XG

    Create a DNAT rule  , Services 2222

    Forward to IPaddress of your system you would like to take SSH and mapped port would be 22.

    Apply NAT MASQ and SAVE.

     

     

  • 0 in reply to Aditya Patel

    Hi to all,

    and sorry for my late reply, but i was very busy. I now have time to reinvestigate this problem and what should i say it works. i have changed nothing and the DNAT works. I think it was the underlying virtualisation, which got an update a few days ago.

    solved

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