DSM-G600, DNS-3xx and NSA-220 Hack Forum
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#1 2011-05-28 11:28:28
- Betse
- Member
- Registered: 2008-11-19
- Posts: 12
No external acces to DNS 323 (HTTP/FTP)
A few months ago I moved to a new house and transferred my complete network. The network setup is the same, only the modem is different. A few days after the move I wasn't able to acces the DNS-323 from an external source. Once in the network itself it works fine, but using the external IP the FTP, HTTP and Transmission remote GUI aren't accessible.
A college told me to check the DNS settings, but they are fine and set as DHCP client with the correct DNS-server 1.
I've run out of options I'm aware of and the only option I see now is resetting the complete thing where I'll lose a lot of settings. Does anyone of you maybe know a solution to this problem?
External access to my laptop and another PC are fine.
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#2 2011-05-28 15:06:27
- fordem
- Member
- Registered: 2007-01-26
- Posts: 1938
Re: No external acces to DNS 323 (HTTP/FTP)
There are several possible problem areas, and the DNS-323 is not very high on the list - don't reset it just yet.
You say the network setup is the same only the modem is different - does that mean you are using the same router as you were before?
If you are, then the problem is unlikely to be internal to the network - so login to the router and find what it shows your WAN address to be - if it starts with 10.10., 172.16., or 192.168 - then it's not a modem, but a modem/router - and will need to be put into "bridged mode" or configured to place you router in the DMZ.
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#3 2011-05-29 22:24:05
- Betse
- Member
- Registered: 2008-11-19
- Posts: 12
Re: No external acces to DNS 323 (HTTP/FTP)
Yes I'm still using a WNDR3700 in Bridged mode. And the ports for FTP/HTTP/Transmission remote GUI are forwarded to the DNS-323. The strange thing is that I'm connectable for Transmission, I just can't enter the remote GUI.
When forwarding the same ports to my laptop the services are working. Changing the ports on the DNS-323 and editting the forwarding rule don't make the service reachable 
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#4 2011-05-30 14:10:08
- fordem
- Member
- Registered: 2007-01-26
- Posts: 1938
Re: No external acces to DNS 323 (HTTP/FTP)
The services running on the DNS-323 are accessible from the LAN, but not externally; the same ports forwarded to a laptop are accessible externally.
Does the DNS-323 have a static ip address? Is the default gateway set correctly?
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#5 2011-05-31 12:40:02
- Betse
- Member
- Registered: 2008-11-19
- Posts: 12
Re: No external acces to DNS 323 (HTTP/FTP)
Yes it has a static IP assigned from the router, the NAS itself is set as a DHCP client so no static IP there.
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#6 2011-05-31 14:12:29
- Mijzelf
- Member / Developer
- Registered: 2008-07-05
- Posts: 709
Re: No external acces to DNS 323 (HTTP/FTP)
When forwarding the same ports to my laptop the services are working.
Did you test this from outside? Or did you use your public IP from inside?
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#7 2011-06-02 18:31:10
- Betse
- Member
- Registered: 2008-11-19
- Posts: 12
Re: No external acces to DNS 323 (HTTP/FTP)
I did use the public IP from the inside yes. I thought that was enough and even the DNS 323 doesn't work when using the external IP from the inside.
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#8 2011-06-02 23:55:22
- fordem
- Member
- Registered: 2007-01-26
- Posts: 1938
Re: No external acces to DNS 323 (HTTP/FTP)
Your router may not support loop back - it would be better if you tested from outside the network.
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