How often are iptables rules "refreshed"?

Discussion in 'Tomato Firmware' started by Deleted member 11230, Apr 11, 2008.

  1. If I have a cron job to create/delete an iptables rule, do I need to restart services for the changes to take effect? Or is there a predetermined "refresh" rate that I can wait for?

    If I need to restart any services, which ones do I restart? How do I put this in a cron job?

    Thanks again,
  2. mstombs

    mstombs Network Guru Member

    I'm pretty sure they take effect straight away - iptables is the userspace app that modifies/displays the kernel netfilter rules. Rules may get flushed on a "wan restart" though, the firewall script is positioned to allow you to add rules there just before the wan comes up.
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