Re: Hour long timeout to ssh/telnet/ftp to down host?

[Luigi Genoni]

On Tue, 12 Jun 2001, Ben Greear wrote:

> Rob Landley wrote:
> >
> > I have scripts that ssh into large numbers of boxes, which are sometimes
> > down.  The timeout for figuring out the box is down is over an hour.  This is
> > just insane.
> >
> > Telnet and ftp behave similarly, or at least tthey lasted the 5 minutes I was
> > willing to wait, anyway.  Basically anything that calls connect().  If the
> > box doesn't respond in 15 seconds, I want to give up.
> >
> > Is this a problem with the kernel or with glibc?  If it's the kernel, I'd
> > expect a /proc entry where I can set this, but I can't seem to find one.  Is
> > there one?  What would be involved in writing one?
> >
>
> You can tune things by setting the tcp-timeout probably..I don't
> know exactly where to set this..

/proc/sys/net/ipv4/tcp_fin_timeout

default is 60.