What happens when a proxy fails?

Specific support for Deluge on Microsoft Windows OS
yacks
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What happens when a proxy fails?

Postby yacks » Wed Jun 15, 2016 9:52 pm

Hey All,
Apologies for not having significant details right now, but I'm just trying to track down a problem I have recently started getting. Namely that my anonymous torrent proxy seems to no longer be entirely anonymous. I have it set up, and it has been working fairly well, but I actually got EUA notices for a couple shows I downloaded on sunday night.

My question I guess in a nutshell is this: If for some reason a designated proxy fails, will deluge default to the regular internet connection, or will it fail to connect to anything completely? I'm just trying to identify if this was a software or a service problem, so any help people can give me in understanding how Deluge treats proxies would be much appreciated.

Cheers!

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gderf
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Re: What happens when a proxy fails?

Postby gderf » Sat Jun 18, 2016 2:08 am

Are you using any of the available torrents or magnet links that show you the IP address their tracker sees? I always verify this before starting a torrent and I leave these always loaded.

http://checkmytorrentip.net/torrentip/c ... ng.torrent
http://ipmagnet.services.cbcdn.com/
https://www.doileak.com/

But to answer your question, I think that recent versions of Deluge will stop if the connection if the proxy fails rather than falling back to your internet connection using your real IP address.

I do know that some older builds of uTorrent/Bittorrent did not behave correctly in this regard and fell back to the internet connection using the real IP. This happened to a friend of mine who decided not to read the emails that his proxy provider sent announcing future proxy host name changes. When the proxy hostname he had configured stopped resolving, uTorrent connected anyway using his real IP. He had no idea this was happening as he didn't use any of those IP revealers above. He found out when his ISP sent a few infringement notices.

Maybe someone has a definitive answer or can suggest a bulletproof test regimen simulating a proxy failure that can be applied while the application is running.

What I do from time to time is check the state table in my firewall to see what IP addresses I am connected to. Any IPs that don't belong to the proxy get a hard look, and so far have always been explainable as belonging to other things I am doing.

itsmrjack
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Re: What happens when a proxy fails?

Postby itsmrjack » Mon Nov 27, 2017 11:06 am

Hi, is there any recent info on this?

I had a letter come through the post from "getitrightfromagenuinesite" last year. I believe it was due to me using a crappy free proxy with Deluge, but I don't have the know how to investigate properly so cannot be sure that it wasn't Deluge's 'fault'.

I am now using deluge again with a socks5 proxy from IPVanish, however not feeling 100% confident that it won't just default to a regular connection if something happens to the proxy.

I have used the checkmytorrentip file mentioned in the previous post and the tracker addresses show up as being IPVanish's, however when I change the socks5 credentials mid-torrent to something invalid (to emulate it stopping working?!) then the torrents will continue working. However if I restart Deluge or pause/restart the torrents then they stop working. If I reenter the correct socks5 credentials then the torrents resume working again, without having to restart Deluge or pause/restart the torrents.

As I say, I lack the technical know how to really understand what is going on here, but this behaviour seems suspect to me. Can anyone shed any light? Moderators please?

Thanks


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