From the (today's) TOS:
Servers are shared with other customers, and as such IRC-related activities, BitTorrent software, or severely CPU intensive CGI scripts (e.g. chat scripts, scripts which have bugs causing them to not close properly after being run) are not encouraged. IRC bots and bouncers (BNC) as well as BitTorrent software specifically may not be run on any DreamHost Webhosting server, and if your processes are adversely affecting server performance disproportionately DreamHost Webhosting reserves the right to negotiate additional charges with the Customer and/or the discontinuation of the offending processes.
Comments:
* IANAL But,
* Summary: "not encouraged" versus "may not be run" blah blah blah, "we'll let you know"...
* No sharing software on shared servers. :-)
* Links to .torrent files for the newer versions of trackerless, off-server hosted, bittorrents ought not be a problem, since it won't impact the server more than any other small sized file, and assuming files being exchanged are legal...
* DH doesn't even date the TOS, so who knows when or what was last changed? Or maybe I missed the announcements... customers better revise or move site immediately, or within 30 days of being notified of violation?
> just say no to anything BitTorrent-related.
But the t-shirt is so cool. :-) [truth in posting note: affiliate link, Bram Cohen's, not mine]
Cheers,
BobS