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port forwarding problem

Dear all,
can anyone figure out my problem?
I am using a ASG220, Release 6.200.
I want to make internal servers visible for administration purpose from the internet.
the tool is called Remote Administrator. default port 4899, but can be changed.
There is a description at http://www.radmin.com/index.php?lang_ui=en (english).

I'd like to do a port forwarding on one official ipaddress:

official-ip:4899 ----> internal-server1:4899
official-ip:4900 ----> internal-server2:4899
official-ip:4901 ----> internal-server3:4899
.....and so on.

On the Astaro box i set up the network and service definitions.
Packet filter rules are:
src: any --> service: 4899 --> allow --> dst: internal-server1
src: any --> service: 4900 --> allow --> dst: internal-server2
src: any --> service: 4901 --> allow --> dst: internal-server3
.....

But this is only working for the same service pair.
for example:
official-ip:4901 ----> internal-server3:4901

The nat-rules are:

rule-type --> dnat/snat
source--> any
destination address --> official-ip
service --> 4899
change source to --> :no change
change destination to --> internal-server1
service --> 4899

rule-type --> dnat/snat
source--> any
destination address --> official-ip
service --> 4900
change source to --> :no change
change destination to --> internal-server2
service --> 4899

rule-type --> dnat/snat
source--> any
destination address --> official-ip
service --> 4901
change source to --> :no change
change destination to --> internal-server3
service --> 4899

Can anyone help me on this issue?
thanks in advance


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Parents
  • Hi,
    not quit sure, what your problem is, maybe missing some content details:
     [ QUOTE ]
     But this is only working for the same service pair.
    for example:
    official-ip:4901 ----> internal-server3:4901 

    [/ QUOTE ] 
    What do you mean by same service pair ??

    Did you also set the necessary packet filter rules ?
    From: Any Service:4899 To:Internal-Server-1
    and so on ....
  • Hi.
    Just to make it more clear
    this works:

    official-ip:4899 ----> internal-server1:4899
    official-ip:4900 ----> internal-server2:4900
    official-ip:4901 ----> internal-server3:4901
    .....and so on.

    and this not (but it should):

    official-ip:4899 ----> internal-server1:4899
    official-ip:4900 ----> internal-server2:4899
    official-ip:4901 ----> internal-server3:4899
    .....and so on.

    Thanks,
    schoetti
Reply
  • Hi.
    Just to make it more clear
    this works:

    official-ip:4899 ----> internal-server1:4899
    official-ip:4900 ----> internal-server2:4900
    official-ip:4901 ----> internal-server3:4901
    .....and so on.

    and this not (but it should):

    official-ip:4899 ----> internal-server1:4899
    official-ip:4900 ----> internal-server2:4899
    official-ip:4901 ----> internal-server3:4899
    .....and so on.

    Thanks,
    schoetti
Children