[petsc-users] petsc externalpackage directory

[Satish Balay]

On Tue, 2 Feb 2016, Jed Brown wrote:

> Satish Balay <balay at mcs.anl.gov> writes:
> 
> > On Tue, 2 Feb 2016, Barry Smith wrote:
> >
> >>   How do the "firewalls" help if users scp over the EXACT same files that the firewall blocked? 
> >
> > I'm not sure how things are setup - but I suspect:
> >
> > - one can ssh on to the net [perhaps using a securecard]
> 
> If you ssh with RemoteForward, then that host can ssh back to the client
> machine (without needing a password).  This is very handy and also
> defeats the firewall.

I believe some of this stuff can be disabled in sshd config..

Satish