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Custom DNS server intended to be used in conjunction with SSSL
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README.md

SSSL DNS

Custom DNS server intended to be used in conjunction with SSSL. Redirects Nintendo hostnames to an SSSL powered server.

Config

The only 2 addresses required are for conntest.nintendowifi.net and account.nintendo.net. These can either be set using the default address or explicitly mapping them. Additional addresses may be added using SSSL_DNS_MAP.

Name Description Required
SSSL_UDP_PORT UDP port for the DNS server. Only if not using TCP.
SSSL_TCP_PORT TPC port for the DNS server. Only if not using UDP.
SSSL_DNS_DEFAULT_ADDRESS The default address to use for conntest.nintendowifi.net and account.nintendo.net. Only if not explicitly mapped.
SSSL_DNS_MAP_hostname An explicit mapping of a hostname to an address. Only if not using the default address.

Example:

# Listen on port 5335
SSSL_UDP_PORT=5335

# Use the default address for conntest.nintendowifi.net and account.nintendo.net
SSSL_DNS_DEFAULT_ADDRESS=127.0.0.1

# Explicitly mapping addresses
SSSL_DNS_MAP_conntest.nintendowifi.net=127.0.0.1
SSSL_DNS_MAP_account.nintendo.net=127.0.0.1
SSSL_DNS_MAP_discovery.olv.nintendo.net=127.0.0.1

Docker

The provided Dockerfile creates an image which runs both the DNS server and a custom build of nginx with TLS 1.0/1.1, and legacy SSL ciphers, enabled, as these are required for the Wii U. To build the image:

  1. Use SSSL to create your patched SSL certficiates.
  2. Copy the ssl-cert-private-key.pem from SSSL file to docker/private.key (or modify the private key name in step 4) in SSSL-DNS.
  3. Copy the cert-chain.pem from SSSL file to docker/ca.pem (or modify the certificate chain name in step 4) in SSSL-DNS.
  4. Modify docker/nginx.conf to your liking. This will be used as the nginx default configuration, not a separate site config. Add any additional hostnames you may need.
  5. Create a .env file in the same directory as the Dockerfile following the above guide.
  6. docker build -t IMAGE_NAME .
  7. Create a container with the image, exposing ports 80, 443 and the DNS server port (by default the Wii U only supports the default port 53)