Entropy is blocking

Björn König bkoenig at cs.tu-berlin.de
Thu Feb 24 23:17:40 GMT 2005


gahn wrote:

> what exactly is this entropy thing? it seems to be
> killing some processes such as sshd
> 
> freebsd# /etc/rc.d/sshd start
> /etc/rc.d/sshdÑ WARNING: Setting entropy source to
> blocking mod.
> ==================================================
> ......
> Just hit <enter> for fast+insecure startup
> 
> ==================================================
> 
> i am using 5.3. how can i use it? can i disable it?

Entropy in this context has something to do with probability theory. It 
just want some junk from you keyboard. In other words, if you have a 
cat, let it walk through your keyboard and then hit <enter>. This is 
necessary for maximum security while creating a host key. This will only 
occur once. If you don't want to bother the cat then just hit <enter>. 
That's it.

Regards Björn


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