Esp8266 webserver connects ok remotely but not locally

bool loadFromSpiffsCard(String path){
  uint32_t serveTime;
  bool isAP = ipAPClient(server.client().remoteIP());
  if(isAP)
    Serial.println("Request via AP.");
  else
    Serial.print("Request via WiFi.\n");
  String dataType;// = "text/plain";
  if(path.endsWith("/")){
    path+=isAP?"connect.htm":"index.htm";
  }
  Serial.println(path);
  if(path.endsWith(".htm")) dataType = "text/html";
  else if(path.endsWith(".css")) dataType = "text/css";
  else if(path.endsWith(".js")) dataType = "application/javascript";
  else if(path.endsWith(".png")) dataType = "image/png";
  else if(path.endsWith(".gif")) dataType = "image/gif";
  else if(path.endsWith(".jpg")) dataType = "image/jpeg";
  else if(path.endsWith(".ico")) dataType = "image/x-icon";
  else if(path.endsWith(".xml")) dataType = "text/xml";
  else if(path.endsWith(".pdf")) dataType = "application/pdf";
  else if(path.endsWith(".zip")) dataType = "application/zip";
  serveTime=millis();
  File dataFile = SPIFFS.open(path.c_str(),"r");
  if (!dataFile)
    return false;
  uint32_t sent,len;
  sent=server.streamFile(dataFile, dataType);
  len=dataFile.size();
  if(sent!=len){
    Serial.print("Sent less data than expected! Sent = ");Serial.print(sent);Serial.print(" file length = ");Serial.println(len);
  }
  Serial.print("Time to serve = ");Serial.println(millis()-serveTime);
  Serial.print("Sent file ");
  Serial.println(path);
  dataFile.close();
  return true;
}