On 2019-10-21, Wouter Wijngaards via Unbound-users <[email protected]> wrote: >> >> I tracked down the file descriptor for one of the TCP connections to >> unbound, found it was created over 12 hours ago, and then filtered for >> traffic for the host and port that was holding the connection with >> tcpdump, and not a single packet appeared for the several minutes I was >> running >> it. >> > > When TCP is nearly full it should use an even shorter timeout. And not > allow such very long idle connections. That looks like it went wrong.
David Gwynne ran into that as well, https://nlnetlabs.nl/pipermail/unbound-users/2019-August/011748.html
