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Re: [K12OSN] Planning for Summer/ssh



I am not sure if ttssh supports version 2 of the protocal, but I personally
 use PuTTY for all my SSHing, and I know it supports v2.  Its homepage is
at:
 http://www.chiark.greenend.org.uk/~sgtatham/putty/

 -Chip

> ----- Original Message -----
> From: "Mark Orenstein" <morenstein alum mit edu>
> To: <k12osn redhat com>
> Sent: Thursday, April 18, 2002 7:24 AM
> Subject: RE: [K12OSN] Planning for Summer/ssh
>
>
> > Thanks for the input.  I will try this next week when we return from
> > vacation.  One question for now.  The PC I will be using runs W98 and
I've
> > been using the ttssh program.  Does the 2 in your reply refer to ssh2
> > protocols?  I don't think that ttssh supports these.
> >
> > Mark
> >
> > -----Original Message-----
> > From: k12osn-admin redhat com [mailto:k12osn-admin redhat com]On Behalf
> > Of Julius Szelagiewicz
> > Sent: Thursday, April 18, 2002 10:07 AM
> > Cc: k12osn redhat com
> > Subject: Re: [K12OSN] Planning for Summer/ssh
> >
> >
> > Mark,
> > I think you can get away without the script. here is how: set
> > PasswordAuthentication No, set RootLogin No, set Protocol 2, add your
> > public keys to ~/.ssh/authorized_keys2, remaove ssh-keygen command, open
> > port 22 to the server.  provided that nobody else has keys generated,
you
> > are home free. if this is not the case, check in /etc/profile for ssh
> > logins from the outside and zap everyone but yours. good luck, julius
> >
> > On Thu, 18 Apr 2002, Mark Orenstein wrote:
> >
> > > I'm thinking ahead to the summer when I only have dial up access and
my
> IP
> > > address will be constantly changing. Right now with my home cable
modem,
> > my
> > > IP address is "unchanging" and I only allow external ssh access to the
> > > school server from this address via an iptable rule. This won't work
for
> > the
> > > summer where I will only have dial up access to the Internet.
> > >
> > > I would still like to keep the iptable rule and was thinking of ways
> that
> > I
> > > could dynamically update the table. One thought that I had was to send
> an
> > > email to the server with the body containing my current IP address. Is
> it
> > > possible that receipt of an email can cause a script to be executed?
If
> > so,
> > > I think that I could write a script that would obtain the IP address
> from
> > > the email body and issue the proper iptable command. Once I get into
the
> > > email server, I can then ssh from it to any of the other servers
inside
> > the
> > > school system's network .
> > >
> > > Or better yet, does anyone else have an already written script similar
> to
> > > the above.
> > >
> > > Is there a better/simpler way of doing this?
> > >
> > > Mark Orenstein
> > > East Granby, CT School System
> > >
> > >
> > >
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> > >
> >
> >
> >
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> >
> >
> >
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> >
>






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