[CentOS] Strange connectivity problem from linux.

Tharun Kumar Allu tharun.allu at gmail.com
Fri Aug 28 01:12:07 UTC 2009

On Thu, Aug 27, 2009 at 2:53 PM, Les Mikesell<lesmikesell at gmail.com> wrote:
> Lanny Marcus wrote:
>> On Thu, Aug 27, 2009 at 6:01 AM, Tharun Kumar Allu<tharun.allu at gmail.com> wrote:
>> <snip>
>>> When I telnet to
>>> $ telnet adp.eease.com 443
>>> it works fine some times and every 5-10 tries or so it says connection
>>> refused. And this does not happen from my windows box.
>>> Can anyone from this list try this on their linux installation and see
>>> if they get the same behaviour?
>> [lanny at dell2400 ~]$ telnet adp.eease.com 443
>> Trying
>> telnet: connect to address Connection refused
>> telnet: Unable to connect to remote host: Connection refused
>> [lanny at dell2400 ~]$
>> BTW:  I have telnet and anonymous FTP disabled on my web sites.
>> Suggest the person in charge of that box switch to SSH.
> I'd assume that 'telnet hostname 443' is intended to be a test for an
> https web service - which should in fact not permit a connection without
> ssl encryption.   The linux version of telnet probably tries to do some
> options negotiations before it says it is connected and perhaps the
> windows version doesn't.   A better test would be
> wget https://adp.eease.com
> --
>   Les Mikesell
>    lesmikesell at gmail.com
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos

wget behaves the same way
$ wget https://adp.eease.com
--2009-08-27 20:23:30--  https://adp.eease.com/
Resolving adp.eease.com...
Connecting to adp.eease.com||:443... failed: Connection refused.

The network team at that site is trying to figure out what the problem is.
Will update once they get back.

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