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Old 02-15-2008, 11:44 AM
Bill Vermillion
 
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Default Re: what makes ftp'ing to sco 5.0.5 slow

In article <20031004010016.GA15493@alexis.mi.celestial.com> ,
Bill Campbell <bill@celestial.com> wrote:
>On Sat, Oct 04, 2003, Bill Vermillion wrote:
>>In article <OWifb.11349$IE1.7715@newssvr25.news.prodigy.com >,
>>Enrique Arredondo <atk@sbcglobal.net> wrote:


>>>Where can I find a log or settings on my sco 5.0.5 box to find
>>>out why is that when somebody tries to ftp in this machine
>>>it takes sometimes a couple of seconds and some times it's
>>>instantaneously and worse times it just drops the connection and
>>>leaves an fptd process running. How come on the same machine all
>>>incoming telnet connections are 100% completed and fast when
>>>given the login ???

>>
>>So some questions. Are the ftp sessions from a local LAN, or from
>>the internet where the far end is broadband, or with the far end
>>on dial-up?
>>
>>With telnet always fast and ftp slow on some connections it
>>sounds like it could be packet sizes on one of the machines are set
>>too high and thus have to be split. Ftp is going to use large
>>segments while telnet is going to be using quite small packets.


>Usually slow ftp connections are caused by slow DNS or missing
>reverse DNS (rDNS), particularly using the wu-ftpd ftp server
>configured to require some rDNS for a connection.


I understood him to mean that the ftp transfers were slow after
establishing the connections, not setting up the connection.

If it was setting up the connections then it is related to DNS.
If it's slow transfers I'd still check the MTU settings, as that
has been a problem in differences.

Bill


--
Bill Vermillion - bv @ wjv . com
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