change UID+GID on target system?

[josephj at main.nc.us]

If that's a concern, then you could just use a service like dyndns to get
an address that's reliable.  For non-commercial use, it's free.

Joe

> Because the connection is very unreliable, laptop 2 has a
> dynamic IP, and I am paranoiac and don't want to have
>
> sshd: ALL
>
> in hosts.allow on Laptop1
>
> Uwe