Havard Rast Blok wrote:
Hi all,
I'm new to the Fedora Test List, so I thought a brief introduction would
be appropriate: I'm a European software developer and tester currently
working in the QA department of Altova (the XMLSpy company). I've been using
Linux since about Red Hat 5.x and made the switch completely a year before
WinXP. My current pet projects include rememberjava.com and
jbookmarks.sf.net.
What I wanted to ask you guys about, is BitTorrent, which should be
relevant given that Test 3 is now out:
http://torrent.fedoraproject.org
The question: Which ports should I open to run BT efficiently (and securely)?
My current firewall is rather tight, with as few ports as possibly open,
including the range 6881:6999 TCP source and destination ports, plus
33301:34999 on TCP source (not sure if I need those). However, I still get
loads of junk in my /var/log/message from my iptables setup whenever I run
BT. Also, the up and down speeds are rather unimpressive; both about 10-20
KB/s (I'm on a 3 Mb/s cable modem line). Should I open more ports? Should
I open UDP?
I an using BT and the only ports I have open are the 6881:6999 ports
that you are using. I look at "netstat -t" to see how many TCP
connections are open simultaneous. The BT speed can be disappointing. I
am on a service that should let me do 20 KB/s up and abt 550 KB/s down,
but while I have been sucking the current 32 bit DVD image, I have been
shipping abt 17 KB/s and rcving from 80 - 140 KB/s. The latter perf is
disappointing, but IT IS WORKING :-)
I would not open any more ports for BT, if you are trying to manage
security.
Good Luck.
--
Glenn
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