[petsc-users] petsc externalpackage directory

[Jed Brown]

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.
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