On 02/16/18 12:42, Adam Tauno Williams wrote: > On Fri, 2018-02-16 at 08:55 +0100, Chentao Credungtao via Info-cyrus > wrote: >> cyrus/master[7082]: unable to setsocketopt(IP_TOS) service >> lmtpunix/unix: Operation not supported >> cyrus/master[7082]: unable to setsocketopt(IP_TOS) service >> notify/unix: Operation not supported Hello all, I see this too. > If you want to dig further you will have to try to grant the process > the CAP_NET_ADMIN capability, which might make it work. > > Capabilities are what allow you to do things like run ping as non-root. > > # sudo getcap /usr/bin/ping > /usr/bin/ping = cap_net_raw+ep > > So you can add the capability to the Cyrus binaries if it is important > to you; provided the feature is supported in the underlying OS. Is there a way to tell cyrus not to try to setsocketopt ? (Instead of allowing it to do that?) I don't need the ToS bits to be set in any way -- Best Regards Vladislav Kurz ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus