mod_http_oauth2: Shorten default token validity periods With refresh tokens, short lifetime for access tokens is not a problem. The arbitrary choice of one hour seems reasonable. RFC 6749 has it as example value. One week for refresh tokens matching the default archive retention period. This means that a client that remains unused for one week will have to sign in again. An actively used client will continually push that forward with each used refresh token.

<tr>
  <th>What is {x} {op} {y}?</th><td>
    <input name="captcha_challenge" type="hidden" value="{challenge}">
    <input name="captcha_reply" pattern="[0-9]+" required type="number">
  </td></tr>