diff options
Diffstat (limited to 'plugin')
| -rw-r--r-- | plugin/proxy/dns.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/plugin/proxy/dns.go b/plugin/proxy/dns.go index 2bebae755..bbff3ba4a 100644 --- a/plugin/proxy/dns.go +++ b/plugin/proxy/dns.go @@ -63,10 +63,12 @@ func (d *dnsEx) Exchange(ctx context.Context, addr string, state request.Request if err != nil { return nil, err } - // Make sure it fits in the DNS response. - reply, _ = state.Scrub(reply) reply.Compress = true reply.Id = state.Req.Id + // When using force_tcp the upstream can send a message that is too big for + // the udp buffer, hence we need to truncate the message to at least make it + // fit the udp buffer. + reply, _ = state.Scrub(reply) return reply, nil } |