[cups.general] SSL produces intermittent printer outage

[John A. Sullivan III]

On Sat, 2011-02-12 at 09:41 +0100, Martin Schuster (IFKL IT OS DS CD)
wrote:
> On 02/11/2011 08:36 PM, John A.Sullivan III wrote:
> > Hello, all.  Because our print servers and our entire environment is multi-tenant, we encrypt traffic wherever possible including our print jobs.  However, we are having a persistent problem using encryption with CUPS version 1.4.4-3 on Debian Lenny (I believe CUPS is from Squeeze, though).
> > 
> > Every one in a while, the printers will not appear in the printer list of the various applications. [...]
> >
> I might be completely wrong, but: Have you checked that the server isn't
> running out of entropy?
> cat /proc/sys/kernel/random/entropy_avail
> 
> Try if running rngd helps (/sbin/rngd -r /dev/random -r /dev/urandom)
> 
> hth,
I would never have thought of that.  It is a VServer so it probably
either has the full resources of the very large host available to it or
it has a very limited set isolated to its own instance.  I'll research
those concepts and commands and give it a whirl.  Thanks very much -
John