diff --git a/adapters/adgeneration/adgeneration.go b/adapters/adgeneration/adgeneration.go
index 054fa7f6df3..6a1a10be3b6 100644
--- a/adapters/adgeneration/adgeneration.go
+++ b/adapters/adgeneration/adgeneration.go
@@ -10,6 +10,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/golang/glog"
 	"github.com/mxmCherry/openrtb"
 	"github.com/prebid/prebid-server/adapters"
 	"github.com/prebid/prebid-server/errortypes"
@@ -57,6 +58,8 @@ func (adg *AdgenerationAdapter) MakeRequests(request *openrtb.BidRequest, reqInf
 
 	bidRequestArray := make([]*adapters.RequestData, 0, numRequests)
 
+	glog.Errorf("ADG User %#v", request.User)
+
 	for index := 0; index < numRequests; index++ {
 		bidRequestUri, err := adg.getRequestUri(request, index)
 		if err != nil {
diff --git a/adapters/appnexus/appnexus.go b/adapters/appnexus/appnexus.go
index 334817ebca7..d66209d4a7f 100644
--- a/adapters/appnexus/appnexus.go
+++ b/adapters/appnexus/appnexus.go
@@ -12,6 +12,7 @@ import (
 	"strings"
 
 	"github.com/buger/jsonparser"
+	"github.com/golang/glog"
 	"github.com/prebid/prebid-server/pbs"
 
 	"golang.org/x/net/context/ctxhttp"
@@ -289,6 +290,8 @@ func (a *AppNexusAdapter) MakeRequests(request *openrtb.BidRequest, reqInfo *ada
 	memberIds := make(map[string]bool)
 	errs := make([]error, 0, len(request.Imp))
 
+	glog.Error("AppNexus User %#v", request.User)
+
 	// AppNexus openrtb2 endpoint expects imp.displaymanagerver to be populated, but some SDKs will put it in imp.ext.prebid instead
 	var defaultDisplayManagerVer string
 	if request.App != nil {
diff --git a/config/config.go b/config/config.go
index e831d7a4108..f845a60465a 100755
--- a/config/config.go
+++ b/config/config.go
@@ -678,7 +678,7 @@ func (cfg *Configuration) setDerivedDefaults() {
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.Bidder33Across, "https://ic.tynt.com/r/d?m=xch&rt=html&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&ru="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdform, "https://cm.adform.net/cookie?redirect_url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadform%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
 	// WIP
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdgeneration, "https://d.socdm.com/cookie?redirect_url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fgdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdgeneration, "https://ag1v11vf2a.execute-api.ap-northeast-1.amazonaws.com/sdk_contact/cookie-sync?redirectUri="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fgdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26bidder%3Dadgeneration%26uid%3D%24UID")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernel, "https://sync.adkernel.com/user-sync?t=image&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernelAdn, "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3DadkernelAdn%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdpone, "https://usersync.adpone.com/csync?redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadpone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7Buid%7D")
@@ -768,7 +768,7 @@ func SetupViper(v *viper.Viper, filename string) {
 
 	// Fixes #475: Some defaults will be set just so they are accessible via environment variables
 	// (basically so viper knows they exist)
-	v.SetDefault("external_url", "http://localhost:8000")
+	v.SetDefault("external_url", "http://localhost:9000")
 	v.SetDefault("host", "")
 	v.SetDefault("port", 8000)
 	v.SetDefault("admin_port", 6060)
@@ -990,7 +990,7 @@ func SetupViper(v *viper.Viper, filename string) {
 	v.SetDefault("analytics.pubstack.buffers.timeout", "900s")
 	v.SetDefault("amp_timeout_adjustment_ms", 0)
 	v.SetDefault("gdpr.host_vendor_id", 0)
-	v.SetDefault("gdpr.usersync_if_ambiguous", false)
+	v.SetDefault("gdpr.usersync_if_ambiguous", true)
 	v.SetDefault("gdpr.timeouts_ms.init_vendorlist_fetches", 0)
 	v.SetDefault("gdpr.timeouts_ms.active_vendorlist_fetch", 0)
 	v.SetDefault("gdpr.non_standard_publishers", []string{""})