-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 09/25/2009 03:48 PM, Haw Loeung wrote: > Would setting the variable net.core.rmem_max/udp_max_buf/kern.ipc.maxsockbuf to 4MB also fix > this? You need to do both. That variable is a global limit on the buffer size. Then, so-rcvbuf in unbound.conf tells unbound to also ask for it. On Linux, unbound can use root permissions to bypass the global limit with a linux-specific socket option. Best regards, Wouter -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkq810cACgkQkDLqNwOhpPi0cgCeJGmzkzh269lzl3ibD2Q8rEey e3YAoLGk+9gkcVgEvHolT+syytcixUW9 =kT+b -----END PGP SIGNATURE-----