ISP Blocking Access to Services

My ISP recently set up port forwarding to allow me access
my Desktop remotely using RealVNC


He added a Port to my IP Address and emphasised the importance of
using port 5900 in RealVnc

I can now get through to my Desktop remotely by specifying my IP Address and this port no
in the RealVnc Window

eg Server nn.nnn.nnn.nnn:pppp

Is there any way I can use above to enable remote connect to MySql Databases on my Desktop
and also to use Microsofts Remote Desktop.

My ISP says he ca do no more ????????

Thanks

H


 
HawkWebAsked:
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tleighton999Commented:
Could you please tell me what ISP you are using?

Also, could you also tell me (by going to http://www.whatismyip.com) what the first 3 sections of your ip address are
(e.g. 172.172.168.x).

Thanks

Tom
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meverestCommented:
I suggest that you add port mapping for vpn to the server.  Then you can get anything you want after you bring up that vpn.

Cheers.
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Craig_200XCommented:
do you have a router? if so it maybe blocking/firewalled.

enabling port forwarding on port 3306 should help

(what OS is your desktop ?? is it firewalled/blocking?)
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Craig_200XCommented:
Some notes I found:

DEACTIVATING THE WINDOWS XP SP2 FIREWALL FOR VNC

If you've installed the recently released "Service Pack 2" (SP2) for Windows XP, you have automatically installed a new firewall on your PC that might be blocking VNC connections. To create an "exception" for
VNC, follow these instructions:

1. Click Start, click Run, type Wscui.cpl, and then click OK to open Windows Firewall.
2. Click the Exceptions tab, and de-select the "Don't Allow Exceptions" radio-button.
3. Click Add Port to display the Add a Port dialog box.
4. Enter port number "5900" or whatever port you've got VNC on that PC to listen on (port number = 5900 + "VNC Display Number").
5. Select the TCP protocol.
6. In the Name field, type "VNC".
7. Click Change Scope to view or to set the scope for the port exception, and then click OK.
8. Click OK to close the Add a Port dialog box.
9. go to http://www.gotomyvnc.com/ and click on the Run Check Now on XXXXXXX and see if it reflects connections


http://www.realvnc.com/pipermail/vnc-list/2004-October/047779.html
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Craig_200XCommented:
Hawkweb,

Any luck resolving this?
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Craig_200XCommented:
Can I request for the points ? or a split? rather than a delete being we did offer possible solutions ?
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VenabiliCommented:
And where and who said delete?
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Bill_FleuryCommented:
What about the obvious solution of calling your ISP and asking them to forward more ports?
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tleighton999Commented:
Considering the question states that the ISP had to forward a port, the only solution here is Bill_Fleury's. Perhaps points should go to him...
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tleighton999Commented:
Could ask your ISP to also open up ports 3306 (MySQL) and 3389 (MS Remote Desktop) through the ISP's routers...
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meverestCommented:
I still maintain that adding a VPN service will effectively open all ports needed.  Since it is a desktop he is accessing (and even calls it that) I think that it is safe to assume that he just wants his own access, and not general access to just *anyone*

Also, contacting the ISP is implied in my earlier statement.

Cheers.
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Craig_200XCommented:
Its been my experience, ISP's do not block ports other than port 80. I worked for a nationwide ISP and this was the practice on residential accts. business accounts were wide open - nothing blocked.. this is because they are aware people run servers and programs that use different ports... if they are a mom and pop company.. who knows what they do.
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meverestCommented:
I too have been in the ISP industry for around 15 years.  My own experience demonstrates that what ports are blocked and what are not depends as largely on the network implementation as on the type or structure of the company.

The fact that the asker has already implied that the ISP was asked to, and provided, some kind of redirection or port map, that such intervention on the part of that ISP is not unusual.

Therefore, I stand by my previous comments.

Regards,  Mike.
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Craig_200XCommented:
Mike,

Being you worked for a long time, just for my information, would you say that is how they did it in the past or currently?

I am referring to current standards at verizon.
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meverestCommented:
Hello Craig,

it is not unusual these days to build complex customer networks that need all manner of edge work to make services happen.

in the 'old days', it was common for the customer connection to be wide open.  These days, standard customer services are either NATed for address space reasons, or live behind complex p2p vpns, gre tunnels over satellite trunks, which make it difficult to support a more traditional fully exposed interface to the general internet.

often it is not about whether the ISP intends to block access to certain ports, it is more about the nature of the network infrastructure design.  Due to address space availability restrictions, it is common for only the more expensive business and corporate grade services to provide a bare IP level interface to the internet.

Cheers.

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Bill_FleuryCommented:
I can only speak for what Comcast does, but their commercial subscribers have a modem/router combo that the customer has access to, but they will also do the port forwarding for them over the phone to make it easier for the end user.  As well, there are certain modems with no customer access, that need to be configured by the ISP.
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