SSL load balancing

Hello,

Is it possible to use nginx as load balancer for SSL traffic?

Will connections from nginx to web servers be encrypted?

What are encryption options are available?

Is there some fast non SSL encryption available? (e.g. symmetric keys)

Thank You!
Max

Max Sevenfold wrote:

Hello,

Is it possible to use nginx as load balancer for SSL traffic?
Yes, see example below

server {
listen 443 default;
ssl_verify_client off;

            ssl on;
            ssl_certificate         /etc/nginx/nginx.cert;
            ssl_certificate_key     /etc/nginx/nginx.key;
            ssl_session_cache       shared:ssl:100m;

            location / {
                    proxy_pass              http://non-ssl-backend;
                    proxy_redirect          off;
                    proxy_set_header        Host             $host;
                    proxy_set_header        X-HTTPS          on;
                    proxy_set_header        X-Real-IP

$remote_addr;
proxy_set_header X-Forwarded-For
$proxy_add_x_forwarded_for;
proxy_set_header X-Client-Verify
SUCCESS;
proxy_set_header X-SSL-Subject
$ssl_client_s_dn;
proxy_set_header X-SSL-Issuer
$ssl_client_i_dn;
}
}

Will connections from nginx to web servers be encrypted?
No the connection will be forwarded to the backend via clear http

What are encryption options are available?
I think all ciphers from the openssl library.

Is there some fast non SSL encryption available? (e.g. symmetric keys)
Not that I know off.

Regards,
Marlon de Boer
System administrator http://www.hyves.nl

Hello!

On Wed, Jul 02, 2008 at 11:50:08PM +0200, Marlon de Boer wrote:

           ssl on;

$remote_addr;

Will connections from nginx to web servers be encrypted?
No the connection will be forwarded to the backend via clear http

Actually, nginx supports https connections to backends, just use

 proxy_pass https://...;

But usually it isn’t required.

Maxim D.

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