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STARDEV  June 2005

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Subject:

Re: CVS access

From:

David Berry <[log in to unmask]>

Reply-To:

Starlink development <[log in to unmask]>

Date:

Fri, 24 Jun 2005 08:38:47 +0100

Content-Type:

TEXT/PLAIN

Parts/Attachments:

Parts/Attachments

TEXT/PLAIN (67 lines)

OK. Thanks Duncan. I'll see what I can do at this end.

David


On Fri, 24 Jun 2005, Russell, D (Duncan) wrote:

> Sorry about the slow reply, but yes as has been suggested here, I have
> updated the sshd config to refuse connections from machines with no DNS
> entry, or with mis-matched reverse DNS lookups. This has eliminated 90%
> of the brute force login attempts so I'm loathe to remove it.
>
> If you can get your machine suitably registered in a dns that should
> sort the problem.
>
> Duncan
>
> -----Original Message-----
> From: Starlink development [mailto:[log in to unmask]] On Behalf Of
> David Berry
> Sent: 23 June 2005 13:00
> To: [log in to unmask]
> Subject: Re: CVS access
>
>
> Thanks for the ideas. I'll have a chat with our sys admin.
>
> David
>
>
> On Thu, 23 Jun 2005, Rankin, SE (Stephen) wrote:
>
> > Peter,
> >
> > Yes, there are a lot of google search links that say similar things,
> > it may be David end that is the problem.
> >
> > Steve.
> >
> > -----Original Message-----
> > From: Starlink development [mailto:[log in to unmask]] On Behalf
> > Of Peter W. Draper
> > Sent: 23 June 2005 10:42
> > To: [log in to unmask]
> > Subject: Re: CVS access
> >
> > On Thu, 23 Jun 2005, David Berry wrote:
> >
> > > > Are you using keys? Can you ssh into the system as normal?
> > >
> > > I've tried it with and without keys - no difference. I get the same
> > > message when I try a direct ssh into the system:
> > >
> > > [dsb@sl5 cvs]$ ssh cvs.starlink.ac.uk
> > > ssh_exchange_identification: Connection closed by remote host
> >
> > The most likely reason for this is that the machine you're connecting
> > from isn't correctly DNS registered, so the reverse lookup fails and
> > the connection is refused. Alternatively your machine may be failing
> > to match
> > the allowed addresses in hosts.allow or hosts.deny, so (reading
> message
> > just arrived from Steve), that's over to Duncan or your sysadmin.
> >
> > Peter.
> >
>

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