@SuppressWarnings("unchecked") Map<String, String> headers = request.read(Map.class).as(Json.class);
for (Map.Entry<String, String> entry : headers.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
proxy.remapHost(key, value);
proxy.setDNSCacheTimeout(0);
proxy.clearDNSCache();
}
return Reply.saying().ok();