From: Roger Pack <rogerpack2005@...>
Date: 2008-02-06T13:00:41+09:00
Subject: Re: Ruby from source on Leopard excruciatingly slow internet

laughably, the following script (which overwrites your /etc/hosts file 
periodically with one or two entries)
seems to help.
I probably wouldn't really recommend this unless you really know what 
you're doing, but here it is

count = 0
loop do
 a = File.open '/etc/hosts', 'w'
 a.write '127.0.0.1  localhost' + "\n"
 a.write '127.0.0.1  localhost2' + "\n" if (count%2) == 1
 a.close
 sleep 0.5
 count += 1
end

(save this as a file like 'renew_etc.rb', save a copy of your /etc/hosts 
file somewhere, then run
sudo ruby renew_etc.rb)
You could try changing the sleep value.
Note that running this may have unforeseen effects.
I wouldn't believe it if it didn't seem to work.

Note that the default /etc/hosts file is
##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1  localhost
255.255.255.255  broadcasthost
::1             localhost
fe80::1%lo0  localhost


if you need to recreate it.
GL.
-Roger
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