IMAP over SSL (only) handshake hangs

[Vladislav Kurz]

Dne úterý 3. prosince 2019 15:13:54 CET, Raphaël Halimi napsal(a):
> Le 11/11/2019 à 13:53, Helder Guerreiro via Info-cyrus a écrit :
> > It happened again, the entropy available never got bellow 3600 (logged
> > it every minute or so).
> 
> Is Cyrus installed in a VM ?
> 
> I had the same problem after upgrading Debian from 9 to 10, on some
> virtual servers, with OpenSSH and OpenVPN.
> 
> I solved the problem by adding a virtual random number generator on
> those virtual machines. Here's the XML to add for libvirt/QEMU:
> 
> <rng model="virtio">
>   <backend model="random">/dev/urandom</backend>
>   <alias name="rng0"/>
>   <address type="pci" domain="0x0000" bus="0x00" slot="0x07"
> function="0x0"/>
> </rng>
> 
> (beware of word-wrapping, "address" is a single line)
> 
> Regards,

I recommend installing haveged to get more entropy.

Regards
Vladki