Hello I want access in my database mysql 5.6... in my intranet preconfigued he firewall but this response "Timeout timed out after 5.0 s"

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    "platform": "Linux x86_64",
    "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36",
    "vendor": "Google Inc."
  "system-info": {
    "file.encoding": "UTF-8",
    "java.runtime.name": "OpenJDK Runtime Environment",
    "java.runtime.version": "",
    "java.vendor": "Ubuntu",
    "java.vendor.url": "https://ubuntu.com/",
    "java.version": "",
    "java.vm.name": "OpenJDK 64-Bit Server VM",
    "java.vm.version": "",
    "os.name": "Linux",
    "os.version": "4.15.0-126-generic",
    "user.language": "es",
    "user.timezone": "America/Argentina/Buenos_Aires"
  "metabase-info": {
    "databases": [
    "hosting-env": "unknown",
    "application-database": "h2",
    "application-database-details": {
      "database": {
        "name": "H2",
        "version": "1.4.197 (2018-03-18)"
      "jdbc-driver": {
        "name": "H2 JDBC Driver",
        "version": "1.4.197 (2018-03-18)"
    "run-mode": "prod",
    "version": {
      "date": "2020-11-16",
      "tag": "v0.37.2",
      "branch": "release-x.37.x",
      "hash": "25e5f70"
    "settings": {
      "report-timezone": null

Hi @Carlosx
When you see that timeout error, then it’s caused by database server being down, inaccessible (usually because of firewall) or incorrect host/port.
Make sure that the server, where Metabase is running, can access the database server.