DC++

Cannot download in active mode although search works perfectly

Asked by Roald Gjermani

Hello,

I am not able to download any files or filelists although the search results in active mode work perfectly (I can see way more results compared to passive mode).

I am using the latest DC++ version 0.880 on Windows 11.

I have tried Active mode by letting DC++ configure my router automatically but I didn't work, it says that the ports cannot be mapped.

Therefore, I have configured manual port forwarding in my router and I have added all the exceptions in Windows Firewall for allowing incoming connections to DC++.

I also disabled the Windows firewall and the router firewall temporarily and the same issue persists. I am currently not using any other 3rd party firewall or security / anti-virus software.

To make sure that my ISP does not block any connection, I have done a telnet from an external network and I am able to access the configured ports (transfer, encrypted and search). I have setup DC++ in Active Mode "I have configured my router".

I am able to use other P2P software in my PC (torrents) without any issues.

I also have tried all the above configurations from another machine in my network to no success.

Any kind of help would be very much appreciated! I would like to avoid using passive mode.

Thank you in advance!

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eMTee (realprogger) said : 		#1

Can you download in passive mode from actives?
What is the output of the "/connection" chat command when you try active mode?

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Roald Gjermani (rgjermani) said : 		#2

Yes, I can download from active users while in passive mode.

The "/connection" chat output command is as follows:

Automatic connectivity setup is: disabled

 IPv4: Active mode
 IPv6: Disabled
 External IP (v4): 31.44.73.246
 External IP (v6): undefined
 Bound interface (v4): 192.168.0.103
 Bound interface (v6): ::
 Transfer port: 51000
 Encrypted transfer port: 50000
 Search port: 1050

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eMTee (realprogger) said : 		#3

What does canyouseeme.org show for ports 51000 & 50000?
Are there multiple items shown in DC++ Settings/Connectivity/IPv4 Panel/Bind Adress dropdown list? If so, what happens if you change to a possibly different binding address than what has been automatically selected?

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Roald Gjermani (rgjermani) said : 		#4

canyouseeme.org output for both ports:

Error: I could not see your service on 31.44.73.246 on port (50000)
Reason: Connection timed out

I am getting the same error even for the common ports.

Yes, there are two items in the bind address list. The other one is a virtual VMware adapter. If I select that even the search does not give results let alone the download.

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eMTee (realprogger) said : 		#5

So your port forwarding configuration is not working then for these two ports, it doesn't forward TCP, forwards the ports into a wrong local IP or something else.
eMTee suggests this article as an answer to your question:
FAQ #154: “How should I set up connection in DC++?”.

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