Using the default value from the OS is most of the time enough for a normal operation.
This removes an Unbound warning that complains about not having the requested 1m or more for kernel buffering:
unbound[288:0] warning: so-rcvbuf 1048576 was not granted. Got 425984. To fix: start with root permissions(linux) or sysctl bigger net.core.rmem_max(linux) or kern.ipc.maxsockbuf(bsd) values.
Using the default value from the OS is most of the time enough for a normal operation.
This removes an Unbound warning that complains about not having the requested 1m or more for kernel buffering:
I would like to thank @MatthewVance for his great explanation which motivated this PR.
Fixes #158