full cone NAT router instead of port restricted NAT

Support section for FREESCO v0.4.x

full cone NAT router instead of port restricted NAT

Postby lotus123r5 » Wed Aug 12, 2015 9:38 am

Hello all Freesco Users,

iam still having Freesco 0.3.8 and still working perfect!!!!
Iam looking to go for an upgrade (on another computer) to the latest version 0.4.5

I read the following at the bottom in the change log...
"Changed the kernel in v0.4.5. This means that loose_udp is no longer enabled by default and some specific hardware may require the kernel to be changed to one of the 0.4.3 or 0.4.4 kernels to get a full cone NAT router instead of a port restricted NAT as it is now by default."

i read some information about the NAT issue:
http://think-like-a-computer.com/2011/09/16/types-of-nat/

Iam totally not a network specialist so i hope someone can give me an answer to the following question:
with my 0.3.8 version i can go on holiday to another country with my old laptop, get wireless connection and connect with MS rdp to my home computer via freesco router: via port 12345 and all working fine.

is this still working when i use 0.4.5 with port restricted NAT?....... or can i configure the port forwarding in freesco, so i can still access my home computer via RDP from anywhere, with every external ip-adres i get at location?
maybe a silly/stupid question,... but just to make sure... :wink:
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Re: full cone NAT router instead of port restricted NAT

Postby Lightning » Thu Aug 13, 2015 9:32 am

The port restricted NAT will work the same on almost all applications including RDP. The reason the full cone NAT was desirable was for some specific hardware that required UDP to be more accessible. I am doubtful that you will ever notice a problem and the port forwarding will work the same. The good news is however if on the outside chance you do get some hardware that has issues you can simply change the 0.4.5 kernel with one from 0.4.3 or 0.4.4 and keep the 0.4.5 system.

When you upgrade be sure to print out a report for reference on the 0.4.x system. There are a LOT of visual differences between the systems.
If you are afraid that you might make a mistake. The chances are high that you will never learn anything.
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Re: full cone NAT router instead of port restricted NAT

Postby lotus123r5 » Thu Aug 13, 2015 10:23 am

Hello Lightning,
Thx much for the explenation, and as i read, it wont be a problem to swith to 0.4.5.

note: i read, also here on the forum in some posts about: "change the kernel to.......".
But i dont see the manual how to change the kernel.... :(
Hopefully you can give me a link, where i can read howto do, if i get stuck?....

Would be great, thx, again!!! :D
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Re: full cone NAT router instead of port restricted NAT

Postby Lightning » Fri Aug 14, 2015 6:31 pm

In the 04x series the kernels are part of the package structure. So either from the "package" section of the "setup" or just type "pkg" on a command line and scroll to the bottom using "pgdn" or the down arrow to get to where the kernels are displayed.

In most cases this should all work somewhat automated.
If you are afraid that you might make a mistake. The chances are high that you will never learn anything.
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Re: full cone NAT router instead of port restricted NAT

Postby lotus123r5 » Sat Aug 15, 2015 9:12 am

Thx again for your excellent support!!!
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