Title: I&#x27;m pretty sure that the HN community likes to read thoughtful, thoroughly researched comments that are somewhat longer than one-liners. But whenever I take more than a few minutes to write a comment, I am greeted with the following error message as soon as I hit &quot;Submit&quot;:<p><pre><code>    Unknown or expired link.
</code></pre>
Fortunately, I can usually hit the Back button, refresh the page, and resubmit my comment without losing the contents of the textarea. Anyway, I try to be extra careful and copy the comment to the clipboard before I hit &quot;Submit&quot; if I feel like it&#x27;s been more than a few minutes since I started writing.<p>But this should not be necessary in the first place.<p>Please increase the timeout on your CSRF tokens (or whatever it is that triggers the error message above) to something more user-friendly. I would suggest a sensible default of 86400 seconds.<p>Thanks.
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