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Set the compress flag for the responses from external DNS servers to

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avoid sending DNS replies > 512 bytes

Signed-off-by: Santhosh Manohar <santhosh@docker.com>
This commit is contained in:
Santhosh Manohar 2016-02-07 02:43:29 -08:00
parent e9ec59b4f1
commit cbb59adbd8
1 changed files with 1 additions and 0 deletions
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libnetwork/resolver.go
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@ -229,6 +229,7 @@ func (r *resolver) ServeDNS(w dns.ResponseWriter, query *dns.Msg) {
resp, _, err = c.Exchange(query, addr)
if err == nil {
resp.Compress = true
break
}
log.Errorf("external resolution failed, %s", err)