Remotely connect to home modem

Hi All,

I have the remote IP number of my home PC but wondered how I would be able to connect to the adsl router from a remote connection so as I can make some changes to the settings?

I have tried just typing in the ip number and nothing happens... can someone direct me as to what to do?

Regards,

Kevin

PS 500 points as it is urgent!
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oconnork00Asked:
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
To open the port you need to access the router.  You also need to have some kind of remote control software.  In my opinion, the best is from Remote Desktop, but that's only available with XP Pro NOT XP Home.  You can try one of the free VNC variants - tight, ultra, real - www.tightvnc.com, www.ultravnc.com, www.realvnc.com - they work reasonably well (but nothing I've seen beats the performance of Remote Desktop).

You can then lookup your router at www.portforward.com and get instructions for configuring the port to forward to your home computer.  (Technically, you're doing port forwarding, not so much opening a port - though the terms CAN mean the same thing to some people).
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Maybe.  And Most likely not.  Most routers have a setting that allows you to view it from the internet side of the router.  But most of those have the setting OFF so that people who are not you don't get in from the internet and alter your settings causing you massive problems.  So until you get home and can access the router from the LAN side, you LIKELY can't do this.
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oconnork00Author Commented:
Hi Leew,
I thought this may be the way it works too. So are there ways to get around this that you are aware of?

Regards,

Kevin
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Lee W, MVPTechnology and Business Process AdvisorCommented:
I wouldn't want one!  I don't someone ELSE controlling my router.  IF you really need access to the router, open a port for some remote control software, remote in to one of your PCs and then you can access the router.
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oconnork00Author Commented:
Ok this sounds like an idea...

can you tell me how to open a port and do that? Does this need to be done on the remote pc ?
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masnrockCommented:
If you're trying to configure your router remotely, you have to first go home and set up your router to allow that. Until then, it's not really going to work out.

lee's already told you exactly what you need to do. so unless someone's at your place and can configure for you, you're out of luck. but even then, remote administration of a router is something that if you turn it on, you want to turn it off ASAP so that you don't have a wide open gateway for anyone across the net.

you're betting off opening a port which forwards to a lan machine using a secure protocol like RDP (remote desktop), and configure your router that way. but of course, your connection will keep getting dropped when the router restarts.
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oconnork00Author Commented:
Hi,
What i have been using is a program called VIrtuvnc which is what has been suggested by Lee. I am able to configure it to look at machines on the lan. So does this mean that I will need to install virtuavnc on my home pc? Or could I just have an exception in place on the firewall to allow port 5900 access? If I did this would it be left wide open?


Cheers,
Kevin
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masnrockCommented:
You need to install it on any machine you want to be able to look at remotely. If you want to connect to it from outside of your home network, you'll have to do port forwarding as already mentioned configured on your router.

You can have an exception in place for the VNC application itself... 5900 is the first port it uses, but then it uses 5901, etc in order for additional connections.
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Jay_Jay70Commented:
Hi oconnork00,

just an extra thought also, remote desktop has a lot stronger encryption that vnc  - just for added security sakes     if you have that available to you then i would use that 100 times faster than i would VNC

just a thought,,,,

Cheers!
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masnrockCommented:
For the record... UltraVNC uses encryption. TightVNC only uses encryption for authentication. RealVNC doesn't use encryption unless you purchase the software.

Jay does have a point on RDP's encryption though.
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oconnork00Author Commented:
Hi all,
Ok I have been able to connect to my remote modem after goign home over the weekend.

Whilst there I was able to connect to my other laptop via the virtuavnc software. This was working fine. I set up exceptions in the firewall and it worked.

I set my modem to be able to allow remote connections using a username and password.
Now I am unable to connect to the pc at home for some reason.

I have set up NAT to point to the pc that is on the lan (only one there) and use virtuavnc but it doesnt connect for some reason. I put the ip number in the address field of the virtuavnc software but it doesnt connect.

I tried IP passthrough also, and this doesnt work.

Can anyone suggest something to try?

Cheers,

Kevin
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Jay_Jay70Commented:
what ip are you using    you will need to be putting the routers IP in
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oconnork00Author Commented:
Hi Jay,
Yes I am able to connect to the router and have been able to log into the router and make some setting changes, but for some reason I am unable to remotel connect using the virtuavnc software. I am sure there are some settings I must make.
There is an option for VNC in the NAT settings and I had that set up, but still no joy.


Kevin
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Jay_Jay70Commented:
ah to clarify    you installeed virtuavnc on both machines and from home you can connect to work but from work you cant connect to home?

sorry to sound vague but this Australian Head is in need of sleep !!
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oconnork00Author Commented:
Hi All,

Found out what the problem was:
My router had the firewall set to Medium, so changed it to low. Now it works...

SO is there any way I can get it to work with medium firewall setting on the router? I have allowed the exception in windows firewall and tried it with medium router setting but it doesnt work; only works when router dropped to low setting


Regards,
Kevin
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Jay_Jay70Commented:
it depends on your router itself, you will have to see if you can make exceptions within the router firewall
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