External RDP not connecting to DMZ server on a SonicWALL 4060

I have setup machine in DMZ.  Am able to access web server on machine, ftp to it, ping it, etc...  I can not RDP to the server though externally.  I have Terminal Services TCP 3389 open.  i can RDP internally though.  Any ideas?
richvdollAsked:
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TyBeattyCommented:
If you try to telnet to the server from the outside on 3389 are you able to connect.  Gives a nice baseline to see if the problem is server or FW.
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Rick FeeMessaging Engineer - Disaster Recovery EngineerCommented:
Do you have individual rules?  i.e. one for ftp, web, etc...or all on one rule.     If you have them setup as a individual rule my guess is your rule for TS is botched up some way....I would delete the existing rule and recreate.    
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ntgincCommented:
Make sure your RDP rule specifies 'TCP' and not 'UDP'
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ViebsCommented:
Maybe just double-check that you have a NAT Policy set up to route Terminal Services (SonicWALL includes both TCP and UDP in this default Service Group) to this host as well as a WAN to DMZ firewall rule allowing Terminal Services to its public IP address.
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richvdollAuthor Commented:
Sorry all, after checknig different settings, found RDP was being blocked by ISP router.
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TyBeattyCommented:
That would do it!!  lol
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