Maintained by: NLnet Labs

[Unbound-users] unbound occasionally does not answer

W.C.A. Wijngaards
Fri Sep 25 16:44:24 CEST 2009


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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
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