Thomas Devanneaux 32746c53c1 EDNS Client Subnet is not encoded correctly when source prefix length is not a multiple of 8.
Motivation:
When the ECS source prefix length is not a mutiple of 8, the last byte the address inside the
ECS OPT record is not padded properly.

Modifications:
DefaultDnsRecordEncoder.padWithZeros(...) was modified to add padding from the least
significant bits.

Result:
ECS encoding bug fixed.
2017-12-01 08:14:13 +01:00
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