[Ham-Computers] Routers, port forwarding and "BitTorrent", questions

[R B]

See this article about being able to use DHCP AND Port
Forwarding on a LinkSys router

http://www.dslwebserver.com/main/fr_index.html?/main/sbs-linksys-port-forwarding.html



--- Philip Atchley <Beaconeer at sbcglobal.net> wrote:

> Hi All,
> A couple questions here.  I've been downloading some
> very large "BitTorrent" 
> files (some >800MB) of "Old Time Radio", using the
> "ABC" client.
> 
> Following the BitTorrent faq, I've disabled the
> local "DHCP Server" in my 
> Linksys router AND forwarded the Ports that
> BitTorrent uses (you need to 
> disable the DHCP to allow "Port Forwarding").
> 
> All works well, EXCEPT. . .
> 
> When I disable the DHCP Server my wife's machine on
> the same router is no 
> longer able to connect to the Internet or check her
> mail (POP account using 
> O.E).  I have to re-enable the server to get her
> back on line, at which time 
> my BitTorrent downloads drop to less than 1KB/s and
> NO BitTorrent uploads 
> takes place, presumably due to no Port Forwarding.
> 
> 1.  Is there a way to allow BOTH machines to connect
> to the Internet when I 
> have DHCP disabled, or is that what is actually used
> to tie the two machines 
> together?
> 
> 2.  Am I opening my machine up to "attacks" by using
> the "Port Forwarding" 
> feature of the LinkSys router and forwarding the
> ports used by BitTorrent 
> (Zone Alarm is still scanning the files as I see the
> activity indicator in 
> the task bar lighting up)?  Just to be safe I also
> intend to scan EVERY file 
> with the Zone Alarm scanner before opening them
> after the download.
> 
> By the way, BitTorrent is VERY SLOW (< 1KB/s to a
> max of about 18 KB/s) 
> compared to regular downloads from Internet servers
> (I'm on DSL).  My 
> BitTorrent Upload speeds are usually MUCH faster.  I
> suspect that this is 
> due to slow connections that many of the "peers"
> have (BitTorrent is a Peer 
> to Peer file sharer and a user can set maximum
> download/upload speeds, I 
> have no limits set on mine).  The advantage is that
> it can download very 
> large files from many different sources
> simultaneously and as the number of 
> "connections" (peers and/or seeds) goes up my
> download speed goes up.
> 
> 73 de Phil,  KO6BB
> DX begins at the noise floor!
> 
> THE BEACONEER'S LAIR:  
> http://www.geocities.com/ko6bb/
> MY RADIO-LOGS:      
> http://www.geocities.com/ko6bb/Logs/
> QSL GALLERY:
> http://photobucket.com/albums/f306/KO6BB/
> Merced, Central California,    37.3N  120.48W 
> CM97sh
> 
>
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