Access NAS FTP using IPv6

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V

Vlatko

Distinguished
Feb 28, 2006
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0
18,520
Hello.

I am having an issue accessing my NAS (FTP Server) from outside of my network. The issue is that I can not setup port forwarding as the router gets an IPv6 address from the internet provider.

This is my FTP server config on the NAS config page:
FTP.png


Router WAN info (do i have only one IPv6 available or more?):
image.png


Router Host port window (not quite sure what to put here):
image.png


NAS IPv6 setup set to Auto (gets an IP from the router):
image.png


NAS has IPv4 and IPv6 now (is this fine?):
image.png


Any help on how I can make the NAS FTP Server accessible from outside my network is greatly appreciated.

Thx
 
Solution
Someone Somewhere
Every IPv6 capable device on your network has an IPv6 address, globally addressable. Your ISP hands your router a 'prefix', which is the first part of the address. Your router then grabs one address for itself, and then hands the rest out to devices who ask for them. As such, you need to use the IPv6 address on your NAS, not the router's one. A dynamic DNS service is recommended, as they tend to change fairly frequently.

However, you will need to add rules to the firewall allowing the ports to continue straight through.
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Someone Somewhere

Someone Somewhere

Titan
Sep 23, 2012
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Every IPv6 capable device on your network has an IPv6 address, globally addressable. Your ISP hands your router a 'prefix', which is the first part of the address. Your router then grabs one address for itself, and then hands the rest out to devices who ask for them. As such, you need to use the IPv6 address on your NAS, not the router's one. A dynamic DNS service is recommended, as they tend to change fairly frequently.

However, you will need to add rules to the firewall allowing the ports to continue straight through.
 
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Solution
V

Vlatko

Distinguished
Feb 28, 2006
22
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18,520
Thx for the info.

I've managed to progress a bit. I've assigned the NAS an IPv6 address.

Tried an ONLINE PORT SCANNER IPV6 (http://www.subnetonline.com/pages/ipv6-network-tools/online-ipv6-port-scanner.php):
The checked port (21210, service ) is offline/unreachable!

I added the NAS IP address and port 21210 to the router HostPort table and tried again.

The checked port (21210, service ) is online/reachable! Great.

Tried to FTP to it from local network, all is fine.

Tried to FTP from outside my network, still can't connect.

What could the issue be?
 
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T

Terrensa

Reputable
May 29, 2014
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Which NAS do you have? Can't tell by the screenshots.
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V

Vlatko

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Feb 28, 2006
22
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18,520


Hmm, didn't know that it matters.

I have tried from 2 different 'other networks'.
- One is from my mobile phone 3G network using an FTP client (works when phone is connected to WiFI i.e. local network but not when WiFI is disabled and uses 3G i.e. other network).
- I have also tried from my office network at work and still doesn't connect.

 
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V

Vlatko

Distinguished
Feb 28, 2006
22
0
18,520


DLink DNS 320L
 
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