Hi,

> Le 7 févr. 2017 à 16:47, Cedric Maion <[email protected]> a écrit :
> 
> Hi,
> 
> I'm thinking about using HAProxy to terminate SSL connections for
> thousands of domains on a single frontend (using SNI).
> 

I use haproxy for that with live restarts without (seen) the drawbacks you 
mention.

Manu

> Certificates will obviously need to be added/removed/renewed quite
> regularly.
> 
> Right now it seems that the usual strategy to manage this is to maintain
> the list of all certificates in a directory and reload haproxy
> whenever needed.
> However, from what I understand, this has the following drawbacks:
> - whenever haproxy soft-restarts, new connections might be dropped
> - very slow startup time for many SSL certificates (which also drops
>  traffic during that time?)
> - loss of state (e.g., SSL session cache, stick tables, non persisted
>  ACLs...)
> 
> A great feature would be to be able to dynamically add/remove SSL
> certificates (or reload them all) from a running haproxy instance,
> through the stat socket - in a way that doesn't drop traffic nor block
> haproxy.
> Is there some work planed/in progress on this subject?
> Is there a way to help here?
> 
> Or did I miss another way to solve this?
> 
> Thanks!
> Kind regards,
> 
>  Cedric
> 
> 


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