Opened 4 years ago

#14242 new defect

Ingress (Download) QoS breaks ftp nat helpers

Reported by: Garret Cox <garretwcox@…> Owned by: developers
Priority: normal Milestone: Chaos Calmer 15.05
Component: packages Version: Trunk
Keywords: Cc:


The situation: a client behind the router's LAN interface is trying to connect to an ftp server out on the internet.

  1. Before enabling QoS, both active and passive ftp connections to the server work.
  2. If you enable QoS (via luci-qos for example), but don't set "download speed", just upload, both active and passive continue to work.
  3. However, if you set a download speed, passive ftp works, but active ftp experiences errors.
  4. If you use tc to delete qdisc dev eth1 ingress, active ftp works again, but of course, you just unlimited your downstream qos.

this is running the latest snapshot as of 9/29/13 on a wndr3800. I started with a fresh router install and just added luci and luci-app-qos.

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