Is your ISP throttling Bittorrent downloads?

[CJ]

Find out here:

http://broadband.mpi-sws.org/transparency/results/

I can confirm that NTL do in fact use Bittorrent traffic shaping.

CJ

[Muad_dib77]

Did anybody else see these lads?

http://www.torrentfreedom.com/
http://www.torrentfreedom.com/Manifesto.pdf

Personally I'm reluctant to start paying an additional fee ontop of what I'm already forking out to be hooked up in the 1st place..but if it comes to it I will.

Sometime Net1 will turn the speed waaaay down, so instead of doing 300kbs I'll be doing 5-10kbs..

[mcgon1979]

I can confirm that NTL do in fact use Bittorrent traffic shaping.
CJ

Im with NTL and have heard they traffic shape alright. Never noticed it though. Opened the ports on my modem and enabled encryption in the uTorrent preferences. I routinely get 450 or 500kb/sec download speeds for items that are well seeded. can get down 700mb in about 25minutes.

[mcgon1979]

just had a good look at the site above and did the test CJ. Downloads seem to only be throttled on the standard Bittorrent port range 6881-6999. You should use a random port number/range and enabled port forwarding for that port/range on the modem and your traffic won't be shaped/identified as BT traffic according to that test tool.

[CJ]

just had a good look at the site above and did the test CJ. Downloads seem to only be throttled on the standard Bittorrent port range 6881-6999. You should use a random port number/range and enabled port forwarding for that port/range on the modem and your traffic won't be shaped/identified as BT traffic according to that test tool.

Its my understanding that UPC use advanced Layer 4 traffic shaping methods on their core network in Holland, the main issue is connecting to seeders/leechers (encrypted or otherwise). The technology uses known pattern analysis to determine if traffic streams are bittorrent based (i.e. significant number of connections from a single host to seeders/leechers etc), the transport layer doesn't come into the equation at this level (althogh I'm sure known ports are blocked and/or throttled also.)

I have a suspicion that shaping is not turned on globally i.e. throttling is triggered per IP (UPC statically assign) dependant on usage.

More packet analysis required, now where did I put that copy of Wireshark...

CJ

[Bernard]

I have a suspicion that shaping is not turned on globally
CJ

I'm out of my depth here but, if it's not global could you connect through a proxy to get around it?

[CJ]

if it's not global could you connect through a proxy to get around it?

If you're talking about a web proxy then no, generally spreaking, access through a proxy is limited to http/https/ftp (TCP ports 80, 443, 21).

The only way around it is to use a VPN connection from the likes of http://ivacy.com/

CJ