[ILUG] Connecting to network services very slow.
paul.trainor at bayridge.ie
Mon Nov 27 12:39:37 GMT 2000
No this is not the case!!.
On Sun, Nov 26, 2000 at 11:36:17PM -0000, Paul Trainor wrote:
> Got a problem that doing me head in!.
> I have a server on the Internet that is connected to the outside world by
> E1. There is no problem connecting to it, it does what I need it to do
> However, when I use it to connect to other servers it is really slow.
> For example. If I telnet to port 25 on a mail server, it takes about 4-5
> mins for me to get the "220 mail.domain.com ESMTP" message. The same is
> true for ftp, ie it takes 4-5 mins to give me the login prompt. It
> the ip address straight away, so I don't think it is DNS related. Once I
> connected, cd, ls, ..etc is very slow aswell, ie I have to wait 4-5 mins
> result, however when I download a file, it is as quick as you would expect
> from an E1. The same is true for sending mails. It takes 4-5 mins to make
> connection but then it sends the mail very quickly.
> Poss 1: The remote machine is doing ident (?) lookups to your machine,
> which is ipchained to DENY everything.
> Soln 1: REJECT or allow through port 113/tcp - but don't run anything on
> that port.
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