slaprunner: shellinabox now only listens to localhost.

It is reachable through the reverse proxy only

software/slaprunner/instance-runner.cfg

@@ -452,7 +452,7 @@ context =
 
 [shellinabox]
 recipe = slapos.cookbook:shellinabox
-ipv6 = $${slap-network-information:global-ipv6}
+ipv6 = ::1
 port = 8080
 shell = $${shell:wrapper}
 wrapper = $${buildout:directory}/bin/shellinaboxd

software/slaprunner/nginx_conf.in

@@ -67,7 +67,7 @@ http {
             proxy_set_header        X-Forwarded-Host  $http_host;
         }
 	location /shellinabox {
-            proxy_pass  http://{{ param_nginx_frontend['global-ip'] }}:{{ shellinabox_port }}/;
+            proxy_pass  http://[::1]:{{ shellinabox_port }}/;
             proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
             proxy_redirect off;
             proxy_buffering off;