diff options
Diffstat (limited to 'mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h')
| -rwxr-xr-x | mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h b/mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h index 785ed3fe..81b4192b 100755 --- a/mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h +++ b/mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h @@ -96,6 +96,9 @@ extern "C" { #ifdef LIMITED_RESOURCES_TARGET // Don't support jumbo frames #define AbsoluteMaxDNSMessageData 1500 +// By the time you add IPv6 header (40 bytes) UDP header (8 bytes) and DNS message header (12 bytes) +// this makes 1560 which is 60 bytes over the standard Ethernet MTU. D'oh! + // StandardAuthRDSize is 264 (256+8), which is large enough to hold a maximum-sized SRV record (6 + 256 bytes) #define MaximumRDSize 264 // Don't cache anything |