[Beowulf] Remote procedure call (error)
alvin at Mail.Linux-Consulting.com
Wed Jan 28 01:26:17 EST 2004
hi ya robert
On Wed, 28 Jan 2004, Robert G. Brown wrote:
> rpcinfo is also your friend:
> rgb at lilith|T:3#rpcinfo -p lilith
> program vers proto port
> 100000 2 tcp 111 portmapper
> 100000 2 udp 111 portmapper
> 100024 1 udp 32768 status
> 100024 1 tcp 32768 status
> 391002 2 tcp 32769 sgi_fam
> As a general rule, I'd consider the portmapper and rpc stuff to be a
> moderate security risk; lilith lives inside firewalls only. I have had
> direct experience of systems cracked in the past through portmapper
> bugs, which perhaps makes me a bit paranoid.
did you run the secure versions of each ??
and yes, guess if security is an issue, dont use "nfs"
but than again, what's the options .. at least encrypt as
much as one can (afford) .. including the filesystem
at "*.duke.edu" guess you folks would be a prime target...
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