Re: tcp/ip bug (2.2.12) or telnet client bug

Jim Brown (jimbrown@technologist.com)
Mon, 27 Sep 1999 11:54:02 -0400

Vedad Kajtaz wrote:
>
> No, it has nothing to do with telnet, netstat shows:
>
> tcp 0 0 localhost:1234 localhost:1234
> ESTABLISHED
>
> I've reproduced it on a 2.2.5-15 (rh6.0 base kernel) too.
>
> Vedad Kajtaz wrote:
> >
> > Hello,
> >
> > this is 100% reproduceable on my 2.2.12:
> >
> > while [ 1 ]; to telnet 127.0.0.1 1234; done
> >
> > (where 1234 is a tcp port not being bind()'d, works with any other
I have reproduced this also with RH 6.0 same kernel. My netstat shows
the exact same thing.

> > unused port):
> >
> > gives a lot of
> > Trying 127.0.0.1...
> > telnet: Unable to connect to remote host: Connection refused
> >
> > end after few seconds/minutes ends up with:
> >
> > Connected to 127.0.0.1.
> > Escape character is '^]'.
> >
> > I insist, there is no daemon listening on the specified port.
> > Anything i type in is simply echo'd.
> >
> > Thanks,
> >
> > -- Vedad Kajtaz
> >
> > -
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>
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