I know that FTP and many web performance issues can be related to
configuring a WWW server to attempt RDNS. Any inability to resolve RDNS
causes the server to "hang", until a specified timeout passes.

It was a similar cause on another box I managed in the past that was
quickly remedied by turning that feature off. The improvement in
performance was very dramatic.

I like the sniffer idea. Just need to find one for Win 2k (for my
laptop).

Danny

-----Original Message-----
From: David Morris [mailto:[EMAIL PROTECTED]
Sent: Friday, March 28, 2003 9:50 AM
To: Cox, Danny H.
Cc: [EMAIL PROTECTED]
Subject: Re: [gb-users] SQL_NET Proxy...

Use a network sniffer if you can, I'd bet there is a RDNS associated
with
the oracle activity. I get similar awful performance when I initiate FTP
connections from the PRO to PSN for web server update purposes.

Something that FTP is attempting to lookup is going thru a reverse DNS
timeout before it is apparently successful. Since I do updates a couple
times a year, this hasn't been worth tracking down.

Dave Morris

On Fri, 28 Mar 2003, Cox, Danny H. wrote:

> I have managed to get partial resolution to my Oracle connectivity
issue
> on GTA-PRO.
>
>
>
> I had to create a filter, with tunnels and alias' that allows all
> protocols to use port 66. It seems a bit weak on performance, and it
may
> be weak on security with <all> on protocols.
>
>
>
> It works, but connectivity is very slow - about 15 seconds for the
main
> page to appear, and another 30 for the Oracle inputs to migrate to and
> fro.
>
>
>
> So far, all my attempts to crack through have failed.
>
>
>
> Perhaps because I also added filters that say everything else (IP
> addresses) is blocked to the service and IP.
>
>
>
> Anyone know of a good crack tool I can test with?
>
>
>
> Anyone have ideas what may be causing my performance issues, other
than
> IDENT, and RDNS related issues? I allow IDENT and am checking RDNS
> (feature to be off) on the WWW configuration.
>
>
>
> I am certain it is my firewall configuration - I am missing something!
>
>
>
> All help is appreciated.
>
>
>
> Danny H. Cox
>
> Yield Dynamics, Inc.
>
> (408) 764-9822
>
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