Browne, Stuart via bind-users <bind-users at lists.isc.org> wrote: > - { name: 'net.ipv4.tcp_sack', value: 0 } Why? SACK is super important for TCP performance over links that have any degree of lossiness, and I don't recall hearing of any caveats. Tony. -- f.anthony.n.finch <dot at dotat.at> http://dotat.at/ a just distribution of the rewards of success