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Avatar billede thth Nybegynder
19. maj 2006 - 11:04 Der er 30 kommentarer og
1 løsning

VNC over TDC and A TRENDNET TEW-431 - Problem over the Internet.

Hi ...

Jeg håber I vil bære overm emd mig fordig jeg poster det her på engelsk .. Det er for en af min venner der ikke snakker dansk og jeg håbede at undgå at skulle oversæte det.


I have a TEW-431 BRP where I am running 2 wireless computers on the Internet. One Desktop and one Laptop.

I have set up Real VNC so I can control the Desktop over the LAN when I am sitting in the livingroom and the desktop is in the office. This works.

I now want to set Real VNC up so I can access and control the desktop over the Internet so I can actually help my kids or my wife when I am out travelling for my company / job.

The problem is that it does not work when I am trying over the Internet.

I am using a ADSL line where NO logon is needed - It is always open.

When I am accessing www.myip.dk or looking in "REMOTE ADMINISTRATION" in the Router I am seing that my Internet adress is 87.xx.xx.xxx.

I am not an expert of this but I assume that this is the IP of the router .. Not the actualt 2 maschines I have on the LAN

On the LAN the ROUTER has xxx.xxx.x.xx the desktop has xxx.xxx.x.xx and I cannot remember what the Laptop has.

Then I have forwarded the PORTS 5500, 5800 and  5900 to the desktop (xxx.xxx.x.xx) in the setup of the ROUTER  both TCP and UDP. These are the ports that VNC are using.

Then I tryed to take over the control of the DESKTOP when  was not home, by accessing the 87.xx.xxx.xxx IP Adress and was expecting the router to forward the request from VNC to the Desktop as I have set it up but I do not get any response - This Failed.

I then tried to PING the 87.xx.xxx.xxx over the internet and I do not get a response - Timeout on the request. And I have set the router up so i SHOULD answer these pings. (There is an option)

SO.. My question is..... what am I doing wrong ....??? It would be a HUGE help if you could help me here - I am sure that it is something easy that I have overlooked, as I am not a very good expert on Internet and LAN's ...

I can also say that I am running Windows XP on both computers and the firewall in XP on the desktop is NOT activated.

Thanks in advance for the help
Avatar billede leif Seniormester
19. maj 2006 - 11:57 #1
Are the only router you have the Trendnet ? Are the line a TDC Pro eller TDC private ?
Avatar billede thth Nybegynder
19. maj 2006 - 12:07 #2
LEIF ... Yes .. The only router is my Trendnet .. and I actually do not lknow whether it is TDC Pro or TDC Private .. It is a line that my company has installed as I am often working from home ...

Do you have an idea about what could be the issue here ..?
Avatar billede leif Seniormester
19. maj 2006 - 12:46 #3
Yes, that can be a issue. Because if you have directly access to the company network you can't do it.

When you log in to the router you should have a place where you can see stauts on WAN, there should be an IP address. What do the IP address say ? Just the 2 first numbers.
Avatar billede thth Nybegynder
19. maj 2006 - 12:53 #4
Leif .. I have full access .. It is a line that are put into my house and I can see the status in my router and it gives me the full IP Adress .. starting with 87. ..

This is the IP that I have been trying to access via VNC but no sucess ...

Even if I try to PING it I do not get an answer .....

So . I have directe access to the router and full administrative rights of he 2 PC's and also the router .. I can set whatever I want ...

Does this help .?
Avatar billede leif Seniormester
19. maj 2006 - 13:01 #5
Are you saying that you have full access to the company network from home ?
Avatar billede leif Seniormester
19. maj 2006 - 13:02 #6
PING are maybe disabled in the router
Avatar billede thth Nybegynder
19. maj 2006 - 13:06 #7
Leif .. This has nothing to do with my Company's network.

It is my LAN at home, where I have one PC, behind the Router, that I want to control with Real VNC. Especially when I have to help the Kids or the Wife with something WHEN I am travelling for my Company.

Then I want to have the access through the INTERNET.

This does not go through the Company Network. My company has asked TDC to put in the 2MB line in my house so I can access the Internet and through VPN I can then access the company internet. But this is ONLY when I am at home and something that I start up from my Laptop when I am sitting at my desk in my homeoffice.

So here it is only access through the Router to
Avatar billede thth Nybegynder
19. maj 2006 - 13:07 #8
my damilys Desktop computer from an external computer. Thanks
Avatar billede thth Nybegynder
19. maj 2006 - 13:11 #9
Leif .. I have actually enabled the option in the Router so it should be possible to get an answer from it ... But NO....
Avatar billede leif Seniormester
19. maj 2006 - 13:22 #10
You will not get i answer on the external IP if you are on the LAN

I can when I am home later today send you a little file, that you can start and I will get access diretly to your machine. When the application close I will not have access to your machine anymore. Or dependig where you are living you could come by you and help you.

If you give me access through the Remote System you can follow anything I am doing and the work are made in confidentiality that I am working as a System Administrator in my daily work.
Avatar billede thth Nybegynder
19. maj 2006 - 13:27 #11
Leif .. I am NOT sitting on the LAN when I am trying to PING the external Router I am doing that from my laptopn here at my office.

Thank you very much for you suggestion but I am not allowed to let anyone into my network - Says my New Administrator at my job .. Too risci ...

But THAKS anyway ...

Does that mean thta you do not have anymore sggestions.. ??
Avatar billede Slettet bruger
19. maj 2006 - 13:30 #12
Du skal konfigurere din router således at en af dine computere i hjemmet står som  modtager af den IP-adresse som du har fået tildelt af din udbyder. Eks. din ip-adresse er 80.80.80.80 -> du har 2 computere bag routeren 192.168.1.1 og 192.168.1.2 nu konfigurerer du routeren som "virtual server" se http://www.helgec.dk/router.jpg
Avatar billede thth Nybegynder
19. maj 2006 - 13:36 #13
helgec - Det lyder spændende .. Men hvad betyder det der med "Virtuel Server"  .? Betyder det at jeg redirecter min externe IPadresse til min desktop PC'er .. Og hvad betyder det for den bærbare når jeg så sætter den til nettet når jeg er hjemme ?

(Du må undskylde . Men jeg er IKKE specielt kendt med opsætning af routere eller nertværk .. Hverken Internet eler LAN's)
Avatar billede thth Nybegynder
19. maj 2006 - 13:38 #14
helgec - Jeg kom til at kigge lidt nærmere på det du skrev .. Jeg har PORT FORWARDET VNC's porte 5500, 5800 og 5900 til den LAN IP adresse som min Desktop har ...

SÅ hvis det er det du mener SÅ skulle det være i orden
Avatar billede leif Seniormester
19. maj 2006 - 13:54 #15
If you have forwardet the ports to the correct internal IP it should work, unless your company have asked TDC to make a special configuration of your internet connection. The best you can do know is to confirm with your Administrator that there are no special configuration or you are in a MPLS network.
Avatar billede thth Nybegynder
19. maj 2006 - 14:07 #16
Leif .. There is NO special configuration .. It is a stamdard TDC Line ... Nothing fancy .. That is also WHY I do not understand this ...
Avatar billede leif Seniormester
19. maj 2006 - 14:39 #17
Try to open 5800 to 5805 and 5900 to 5905
Avatar billede thth Nybegynder
19. maj 2006 - 14:43 #18
Leif... I will do so when I get home and I will keep you informed ... Thanks so far
Avatar billede Slettet bruger
19. maj 2006 - 14:46 #19
"helgec - Det lyder spændende .. Men hvad betyder det der med "Virtuel Server"  .? Betyder det at jeg redirecter min externe IPadresse til min desktop PC'er " >>> Hos mig kører det således og har gjort det 5-6 år, du kan kun forwarde til 1 desktop pc øvrige pc-er må du tage over LAN
Avatar billede thth Nybegynder
19. maj 2006 - 15:02 #20
helgec.. Det er også sådan jeg har fosøgt at sætte det op .. Jeg har lavet det virtuelle server og sendt "henvendelser" på port 5500, 5800 og 5900 videre til den ene af mine PC'ere på LAN'et ...

MEN . Når jeg så forsøger at connecte ude fra Internettet til den IP som jeg har fået oplyst ved www.myip.dk . Ja så får jeg en "failed to connect to server" besked ... Jeg skriver den IP som jeg har fået .. Og trykker "Connect" .. MEn NO LUCK.

Jeg kan heller ikke PING'e den IP.. Så hvad er der galt ..??? Er det den forkerte IP jeg har fat i .?

Eller hvad .?
Avatar billede leif Seniormester
19. maj 2006 - 15:32 #21
Are it a XP with SP2 you are trying to connect to ? Confirm that VNC have access through the internal FireWall (Should be if you can connect to it on the LAN)
Avatar billede thth Nybegynder
19. maj 2006 - 16:21 #22
Leif .. Yes .. XP .. SP2 .. No firewall is active ... I have also just arrived at home ... I can ping the externap IP from my LapTop which ios mow on the LAN .. But I cannot from my Neighbours PC via the Internet.

What the FUCK is wrong ..????
Avatar billede Slettet bruger
19. maj 2006 - 16:57 #23
Åh! jeg tror det begynder at dæmre nu, har du bredbånd via en atenneforening, hvis det er tilfældet er det en anden fremgangsmåde du skal bruge
Avatar billede thth Nybegynder
19. maj 2006 - 17:14 #24
helgec .. Nej.. det er ikke via emn antenneforening ... det er en TDC Linje .. ADSL.. Og den er lagt ind af mit firma ... Det er ikke noget Stofa eller lignende .... Og jeg gar idag snakket med TDC og de har bekræftet at den IP jeg kan se via MYIP.dk er den korrekte .. Men de kan heller ikke pinge den .. Så det er sikkert noget i min Router der er sat forkert op ... Men JEG VED BARE IKKE HVAD.......
Avatar billede Slettet bruger
19. maj 2006 - 17:56 #25
OK ja så er det samme model som jeg bruger, jeg har bare min egen router og så skal det køre
Avatar billede thth Nybegynder
19. maj 2006 - 18:49 #26
helgec .. Jamen SÅ er det BARE underligt at det her ikke virker ... Men hvis ikke der er andre der kan hjælpe SÅ er jeg vel lost ..... ØV
Avatar billede Slettet bruger
19. maj 2006 - 19:04 #27
Hvad hedder din router??
Avatar billede thth Nybegynder
19. maj 2006 - 19:13 #28
helgec ... TRENDNET TEW-431BRP ...
Avatar billede Slettet bruger
19. maj 2006 - 19:25 #29
Jeg har været inde og kigge lidt på manualen og jeg vil da medgi dig at det er svært at få øje på nogen af de menuer jeg anvender for at køre VNC, så her må jeg nok gi op
Avatar billede tumben Novice
20. maj 2006 - 01:00 #30
pc1...router..internet.....MODEM...pc2  can be a problem...if you connect FROM pc1 .to pc2

try the other way around FROM pc 2 to PC 1....start "new connection" after starting "run listening VNC Viewer" ..insert PC1 IPadresse
WHILE the serverpart are running at pc1.

that works for me when I cant get i to work...

IF You hare 2 routers i the configuration...It would not work.. befor the routers are propperly configured.
Avatar billede thth Nybegynder
17. august 2007 - 13:44 #31
For at få det lukket
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