Having annoying router problems!

[neonplanet40]

Hey guys i recently got a belkin wireless router for my new computer and laptop. This is my first time on using a router so i dont know too much! But anyway this is what is happening.

Operating system with service pack- Xp Pro- Service pack 2

home or work connection - cable or dsl (or whatev)- Home connection 2mb DSL
if router then which including model- Belkin F5D9012UKhttp://www.scan.co.uk/Products/Produ...oductID=230460

if router then which ports forwarded and how - I opened ports 5668 in the router settings by going to virtual servers and entering a name and my ip as well as which port numbers i wanted forwarded in both TCP and UDP. (basically followed the instructions)

which client including version and which ports are set (and if port randomize is checked) Azureus 2.3.0.6 and am using port 5668 cannot see an option to randomize ports.

any software/hardware firewalls (SP2 firewall?) -SP2 firewall is off. I use Sygate and have told it to let azureus use the internet. The other firewall is in the router itself and i know extremely little about routers as its my first one.

viri scanners (Norton ) I use AVG anti virus. It is on.

Guys i only got this wireless kit about 2 weeks ago and ive used port forwarding guides etc and they all dont seem to change me. It keeps saying i have a NAT problem etc etc. The router is connected to my computer by Ethernet connection and has my adsl lead plugged into the router itself.

Now this is where i start ^^ and when i still couldnt get it fixed i just turned the router firewall off. However it is still giving me a NAT problem?!?!?! how can i be gettign a nat problem if the firewall is off?

Im seriously lost in all this and to say its doing my head in is an understatement.

Sorry for the long post but i wanted to provide as much info as i could so u guys could help me with my problem.

Thanx guys

Neon

Thanx for your help

[Paul Adams]

NAT and firewall are not the same thing.

NAT is a method for multiple machines to share 1 IP address on another network - such as the Internet.
A firewall is a device or program for determining what network traffic is permitted based on a set of rules (IP address, ports, direction, time, etc.)

NAT is considered to provide a little extra security as, by its default nature, inbound connections to the shared IP address cannot be routed to a specific machine on the private network - hence why port forwarding is required.

A outbound connection made from an internal NAT client is able to get a response as the router handles the translation and knows who to send the reply to when it returns, as it knows who made the request.
An inbound connection must have an associated port forwarding rule so that all traffic to this external port is forwarded to a specific internal client - so you can't run 2 web servers behind a NAT router on port 80, for example.

You say you have forwarded a single port (5668), presumably a generic service port for this "Azureus" program - but if it is failing a connectivity test then either:
- the port forwarding rule is not working when tested
- the program requires a further range of ports forwarded to accept connections for the files themselves

AFAIK this is how BitTorrent needs to be set up - a range of ports, not a single port.
Your best bet is to ask in Azureus support forums, I imagine NAT issues are fairly common.

[Steve]

AFAIK Azureus (and indeed most BitTorrent clients) can allow remote connections on a single port. No idea how it really works but I'm guessing the remote request comes in on that listen port, then Azureus/whatever establishes an outgoing connection on another port - so just the initial request is made remotely.

Anyhoo, make sure you're forwarding to the right IP and that you're forwarding the right port (you can choose which port to listen on in Azureus as you probably know already.) Finally, make sure your software firewall is setup to let the program act as a server (or something similar) as often just giving an application Internet access will not suffice.

[Paul Adams]

AFAIK Azureus (and indeed most BitTorrent clients) can allow remote connections on a single port. No idea how it really works but I'm guessing the remote request comes in on that listen port, then Azureus/whatever establishes an outgoing connection on another port - so just the initial request is made remotely.

I will bow to your superior knowledge, I only used BitTorrent briefly ages ago and had to mess about with a range of ports to forward on my router for it to work at any decent speed.

[Dav0s]

you need the number of ports open for as many tasks as u will be simultaneously using.

for example, downloading 2 things, need 2 ports open.


anyway, do you have upnp on the router?

[neonplanet40]

yes i enabled upnp on azureus and router with no luck also. its a bit of a pain in the a** tbh. i know nothin about all this port forwarding etc. so it all seems over my head.

Neo

[iMc]

http://www.portforward.com/

http://www.portforward.com/help/pfprogression.htm

http://www.portforward.com/english/r...outerindex.htm

The above site may help you get your head round things

[neonplanet40]

Thanx iMc will have a look at it when i get home

Neo

[tfboy]

If you have uPnP enabled, which you say you have, you will see in your network connections of Windows an "Internet Gateway". If you double click this and go to properties, then click on Settings at the bottom right, it will show which ports it forwards to which IP.

In my case, I have RaidenFTP Daemon server running, and this uses uPnP. However, although I start it as a service, I have to shut it down when windows boots up and then restart it a minute later because the uPnP (Internet Gateway connection) needs a few seconds to initialise.

[neonplanet40]

There is nothing called internet gateway in network connections. nBut im sure Upnp is enabled on both router and azureus as it says so.

Neo

[tomo22]

Nat problems can come and go. Been using azureus for a long time now.

My recommendation is use a port in the range 15350 - 15360.

These have always worked for me.

Go to azureus options then check interface is set to advanced.

Then go to Plugins UPNP and enable.

Shut down azureus.

Open the router web page and check UPNP is enabled. Ensure you have not forwarded any ports.

If you have remove them. My router will not work if a forward and use UPNP.

Re-boot router using current setting or turn of and wait 30 sec and restart.

Start azureus.

If nat still problem go to Nat Firewall Test and test the port.

If a problem.

Go to Options Upnp and refresh the mappings.

Now go back to Nat Firewall Test and try again if still a problem try different ports in the range 15350 - 15360.

Some times it just seems to play up. But normaly one will work.

[peterb]

Welcome to Hexus - but I think that as this post is over 2 years old, the original poster has probably solved the problem.

[tomo22]

Yes did not look at date.

But still may help someone else.