Is anybody getting good BitTorrent rates with Comcast?

Bill Freeman f at ke1g.mv.com
Sat Jul 23 08:20:01 EDT 2005


Bill Freeman writes:
 > 	What rates do other folks see?

	Well, now I'm seeing rates around 600kBps.  I'm not entirely
sure what all really effects it, but some A/B testing leads to the
following surmises:

	A website on using BitTorrent with linux had suggested setting
max_upload_rate to 48 and max_uploads to -1.  This apparently hurts.
20 and 4 seem to be good values.

	I had naively assumed that if I was getting upload rate at
all, then the download machine firewall was letting the connects
through.  Forgive me, I just wasn't awake.  I added bittorrent to
/etc/services for both tcp and udp on 6881 through 6889, and used
Fedora's system-config-securitylevel to turn bittorrent:tcp and
bittorrent:udp on in the firewall.

	I guess that I need to read about the bittorrent protocol in
more depth in order to understand why it was working at all.  I'm not
sure that I can develop the interest to do so.

	Thanks to everyone for all of the helpful suggestions and
testing.

							Bill




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