in spectator-ext-ipc/src/main/java/com/netflix/spectator/ipc/http/HostSanitizer.java [43:94]
static {
ALLOWED.add("dbms");
ALLOWED.add("ftlbknd");
ALLOWED.add("graphql");
ALLOWED.add("http");
ALLOWED.add("http1");
ALLOWED.add("http2");
ALLOWED.add("mtls");
ALLOWED.add("nccp");
ALLOWED.add("nflx");
ALLOWED.add("nrdp");
ALLOWED.add("nrdpv6");
ALLOWED.add("www2");
ALLOWED.add("af-south-1");
ALLOWED.add("ap-east-1");
ALLOWED.add("ap-northeast-1");
ALLOWED.add("ap-northeast-2");
ALLOWED.add("ap-northeast-3");
ALLOWED.add("ap-south-1");
ALLOWED.add("ap-south-2");
ALLOWED.add("ap-southeast-1");
ALLOWED.add("ap-southeast-2");
ALLOWED.add("ap-southeast-3");
ALLOWED.add("ap-southeast-4");
ALLOWED.add("ca-central-1");
ALLOWED.add("ca-west-1");
ALLOWED.add("eu-central-1");
ALLOWED.add("eu-central-2");
ALLOWED.add("eu-north-1");
ALLOWED.add("eu-south-1");
ALLOWED.add("eu-south-2");
ALLOWED.add("eu-west-1");
ALLOWED.add("eu-west-2");
ALLOWED.add("eu-west-3");
ALLOWED.add("fips.ca-central-1");
ALLOWED.add("fips.ca-west-1");
ALLOWED.add("fips.us-east-1");
ALLOWED.add("fips.us-east-2");
ALLOWED.add("fips.us-west-1");
ALLOWED.add("fips.us-west-2");
ALLOWED.add("il-central-1");
ALLOWED.add("me-central-1");
ALLOWED.add("me-south-1");
ALLOWED.add("sa-east-1");
ALLOWED.add("us-east-1");
ALLOWED.add("us-east-2");
ALLOWED.add("us-gov-east-1");
ALLOWED.add("us-gov-west-1");
ALLOWED.add("us-west-1");
ALLOWED.add("us-west-2");
}