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DNAT doesn't work when changing the destination port

Joey Man Kit Chung

I am trying to publish a web console. With below settings, it works fine:

NAT Rule

Rule Type : DNAT

Matching Condition

For traffic from : Any

Using Service : TCP 80

Going to : External (WAN)

Action

Change the destination to : [My Web Service]

Automatic firewall rule : Yes

 

Once I changed to below, it doesn't work anymore

NAT Rule

Rule Type : DNAT

Matching Condition

For traffic from : Any

Using Service : TCP 8888

Going to : External (WAN)

Action

Change the destination to : [My Web Service]

And the service to : TCP 80

Automatic firewall rule : Yes



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  • 0

    Hi Joey,

    did you append :8888 to your web request?

    If you did, what do you see in the firewall log?

    Best Regards
    DKKDG

  • 0 in reply to DKKDG

    Chrome display an error 401. IE and FireFox just return a blank page. I'm sure I'm accessing my web service over the internet, not from the internal network.

    Firewall logs seems good. The request reach my web service (192.169.2.11)

     

    Funny thing is 

    when "Using Service = TCP 8888" and "And the service to = TCP 80", it doesn't work

    but,

    when "Using Service = TCP 80" and "And the service to = TCP 8888", it works fine

    also,

    when "Using Service = TCP 80" and "And the service to = TCP 80", it works fine

    and

    when "Using Service = TCP 8888" and "And the service to = TCP 8888", it works fine

  • 0 in reply to Joey Man Kit Chung

    Are there any entries in the IPS log?

    Best Regards
    DKKDG

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