bittorrent download/upload question

Andy Green fedora at
Thu Nov 6 07:01:35 UTC 2003

Hash: SHA1

On Wednesday 05 November 2003 23:33, Mike Chambers wrote:
> Is it normal for the download to be lower than the upload even if only
> for a few minutes until the download speed takes off?
> status:   finishing in 43:35:08
> (0.3%)
> speed:     10.3 KB/s down -  10.8 KB/s
> up                                    || totals:     6.1 MB   down -
> 6.0 MB   up                                    ||
> error(s):

Your Bittorrent app can be more gregarious with incoming connections if you 
make sure that ports 6881-6889 are able to listen through any internal and 
external firewall.  BT still works with those guys inaccessible but your 
download speed will typically be reduced.

/sbin/iptables -I RH-Firewall-1-INPUT -p tcp --destination-port 6881:6889 -j 

in /etc/rc.local will do the trick through your local firewall on the Fedora 
machine, if you have a NAT firewall externally, set it to forward traffic 
from your Internet IP on those ports to your favoured BT machine.

FWIW BT is usually able to saturate my 1Mbps cable downstream, which it did 
overnight with yarrow.... plus it was able to give back 700MB while it did it 
despite my 256Kbps upstream.... BT is great, FTP is relegated to a distant 
second choice for these kinds of popular files.  Even with the little swarm I 
was in with 125 other downloaders, we were seeing 15MB/sec aggregate download 
speeds, at almost no cost to Redhat.

- -Andy
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