When using the https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/hostname-verifier/[okhttp library], a custom unsecure hostname verifier accepting every hostname is used:
When using the https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/hostname-verifier/[okhttp library], if ``++hostnameVerifier++`` method is not used to set a verifier, then a built-in secure one will be used: