fixed default config and ipv6 dual stack

cmd/sniproxy/config.defaults.yaml

@@ -27,18 +27,18 @@ general:
   # HTTP Port to listen on. Should remain 80 in most cases. use :80 to listen on both IPv4 and IPv6
   bind_http: "0.0.0.0:80"
   # bind additional ports for HTTP. a list of portsor ranges separated by commas. example: "8080,8081-8083". follows the same listen address as bind_http
-  bind_http_additional: ["8080","8081-8083"]
+  bind_http_additional:
   # HTTPS Port to listen on. Should remain 443 in most cases
   bind_https: "0.0.0.0:443"
   # bind additional ports for HTTPS. a list of portsor ranges separated by commas. example: "8443,8444-8446". follows the same listen address as bind_https
-  bind_https_additional: ["8443","8444-8446"]
+  bind_https_additional:
   # Enable prometheus endpoint on IP:PORT. example: 127.0.0.1:8080. Always exposes /metrics and only supports HTTP
   bind_prometheus:
   # Interface used for outbound TLS connections. uses OS prefered one if empty
   interface:
   # Preferred ip version for outgoing connections. choises: ipv4 (or 4), ipv6 (or 6), ipv4only, ipv6only, any. empty (or 0) means any.
   # numeric values are kept for backward compatibility
-  prefered_version:
+  preferred_version:
   # Public IPv4 of the server, reply address of DNS A queries
   public_ipv4:
   # Public IPv6 of the server, reply address of DNS AAAA queries