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[merged] NTL & BitTorrent
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Old 14-01-2004, 13:46   #31
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Quote:
Originally Posted by SOSAGES
dont enable the DMZ option it will leave your pc open to all sorts of nasties thats why u have port forwarding etc
As SOSAGES states - port forwarding is better. Having the computer on a dmz does leave it open to atack.
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Old 15-02-2004, 19:40   #32
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Question Re: NTL blocking BitTorrent ports? (6881 to 6889)

I've managed to work out why I was getting slow speeds with BitTorrent: if the tracker is on port 80, NTL's transparant cache intercepts the HTTP request and connects to the tracker from the NTL proxy server.

When the tracker gets this request, it tries to open port 6881 on the proxy rather than on my PC, thus other BitTorrent users cannot connect back to my machine and I get a slow download.

Has anyone worked out how to get round this? Apart from using Torrents with trackers on other ports, that is.

Cheers
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Old 18-02-2004, 20:08   #33
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

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Originally Posted by Timewarp
I've managed to work out why I was getting slow speeds with BitTorrent: if the tracker is on port 80, NTL's transparant cache intercepts the HTTP request and connects to the tracker from the NTL proxy server.

When the tracker gets this request, it tries to open port 6881 on the proxy rather than on my PC, thus other BitTorrent users cannot connect back to my machine and I get a slow download.

Has anyone worked out how to get round this? Apart from using Torrents with trackers on other ports, that is.

Cheers
Sorted it now - SHAD0W'S BT client lets you set your IP address so that the tracker won't use the NTL proxy. Get it from here: http://www.shadow2k.org/downloads.php

Wonder why no-one has posted the answer to this before?? (on this forum or any other). People must have wondered why they weren't getting good speeds on BitTorrent/NTL before. Strange.
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Old 02-03-2004, 20:57   #34
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Thanks for the help everyone! Meant to do this weeks ago, but I've got a head like a sieve! Am downloading at blisteringly fast speeds now, so thanks for all your help!!

Squiggs
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Old 02-03-2004, 21:03   #35
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Quote:
Originally Posted by squiggs1982
Thanks for the help everyone! Meant to do this weeks ago, but I've got a head like a sieve! Am downloading at blisteringly fast speeds now, so thanks for all your help!!

Squiggs
What was up then - was it just the port forwarding ?
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Old 02-03-2004, 21:04   #36
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

I use the Shadow Experimental Client to and usually get about 30-50kbps on a 600k NTL connection.I have opened ports 6881-6889.

Does 30-50kbps sound about right or can this be improved?

Many Thanks
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Old 02-03-2004, 21:11   #37
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Quote:
Originally Posted by 2||Para
I use the Shadow Experimental Client to and usually get about 30-50kbps on a 600k NTL connection.I have opened ports 6881-6889.

Does 30-50kbps sound about right or can this be improved?

Many Thanks
The fact you're getting d/ls in the 50K's would make me think there's nothing wrong with your setup - although on 600Kb service, i was getting (only on some things) speeds in the 60's - maybe its just the number of other clients you're connected to, or if its not a popular torrent ?
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Old 02-03-2004, 21:15   #38
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

www.suprnova.org usually very busy and i connect to avg 40 but as long as ive not screwed up im happy
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Old 02-03-2004, 22:08   #39
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Try http://azureus.sourceforge.net with the latest Java 1.5beta JRE - much better than shaddow's.
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Old 03-03-2004, 20:06   #40
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

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Originally Posted by Kneebs
What was up then - was it just the port forwarding ?
Seems to have been. I put the values they guys told me, and hey presto! Decent speeds! All I have to worry about now is getting my blasted VPN connection to uni sorted! (groan!)
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Old 03-03-2004, 20:12   #41
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Re: NTL blocking BitTorrent ports? (6881 to 6889)

Quote:
Originally Posted by squiggs1982
Seems to have been. I put the values they guys told me, and hey presto! Decent speeds! All I have to worry about now is getting my blasted VPN connection to uni sorted! (groan!)
Sorry mate, can't help with that one....I'm sure someone else can though.....
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Old 15-04-2004, 01:10   #42
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port 6881 blacklisted

Getting this message from peer to peer servers.anyone know what this means?

Thanks in advance.
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Old 15-04-2004, 01:15   #43
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Re: port 6881 blacklisted

At a guess I would say that on whatever server you are getting it from they have blocked access to port 6881 on that server.
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Old 15-04-2004, 01:18   #44
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Re: port 6881 blacklisted

Ok thankyou. So in you're opinion it's down to the server and not a problem with my pc?

How can i change port settings so that it wont use 6881 or wont that work?
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Old 15-04-2004, 01:39   #45
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Re: port 6881 blacklisted

I doubt it's a problem with your pc, it's not the sort of message I would expect to see from local firewall software - and without knowing what p2p software you are using I could not tell you if you can change any port settings - but I would doubt it.
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