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Using one public IP to publish 2 servers each having different inobund ports

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All Forums >> [Threat Management Gateway (TMG) 2010] >> General >> Using one public IP to publish 2 servers each having different inobund ports Page: [1]
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Using one public IP to publish 2 servers each having di... - 10.Oct.2012 10:10:18 AM   
kvecenaj

 

Posts: 2
Joined: 10.Oct.2012
Status: offline
Hi guys!

I have TMG 2006 in an array and today I tried this:

I already had an existing Non web-server protocol publishing rule which allows TCP 12433 Inbound traffic from Anywhere external network to my TMG IP 192.168.105.199 (and then to published LAN server 192.168.100.20).
Today I have created another non web-server protocol publishing rule which allows TCP 1934 Inbound traffic (so it's DIFFERENT TCP PORT than in first rule) from Anywhere external network to TMG (SAME IP as in first rule) IP 192.168.105.199 (and then to DIFFERENT published server 192.168.100.25).
The result is that when i try telnet to public IP to which 192.168.105.199 is NAT-ed to the port 1934, sometimes it gets connected, and sometimes not. Internally, I can telnet to 192.168.100.25 1934 all the time.
Is it even possible to configure TMG to listen on same public IP for different ports and know how to pass them to the correct server?

Thanks in advance for your replies!

K.
Post #: 1
RE: Using one public IP to publish 2 servers each havin... - 10.Oct.2012 2:51:56 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
It should definitely work, at least assuming TCP 1934 is not already used by another inbound rule are process.

HTH,
Stefaan

(in reply to kvecenaj)
Post #: 2
RE: Using one public IP to publish 2 servers each havin... - 10.Oct.2012 11:37:06 PM   
kvecenaj

 

Posts: 2
Joined: 10.Oct.2012
Status: offline
I'll try to map another IP (192.168.105.198 for example) and publish LAN server 192.168.100.25 using it to see if it will work ok. I'll post the result.

Thanks Spouselee!

(in reply to spouseele)
Post #: 3

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