diff --git a/internal/experiment/webconnectivitylte/analysisclassic.go b/internal/experiment/webconnectivitylte/analysisclassic.go
index eae59c41b4..08d391622f 100644
--- a/internal/experiment/webconnectivitylte/analysisclassic.go
+++ b/internal/experiment/webconnectivitylte/analysisclassic.go
@@ -293,7 +293,7 @@ func analysisClassicComputeBlockingAccessible(woa *minipipeline.WebAnalysis, tk
 				}
 
 				// 3.1.2. Otherwise, if the control worked, that's blocking.
-				tk.setBlockingString("http-failure")
+				tk.setBlockingString("tls")
 				tk.setHTTPExperimentFailure(entry.Failure)
 				return
 			}
@@ -306,7 +306,7 @@ func analysisClassicComputeBlockingAccessible(woa *minipipeline.WebAnalysis, tk
 			}
 
 			// 3.3. Handle the case where just the probe failed.
-			tk.setBlockingString("http-failure")
+			tk.setBlockingString("tls")
 			tk.setHTTPExperimentFailure(entry.Failure)
 			return
 		}
@@ -327,7 +327,7 @@ func analysisClassicComputeBlockingAccessible(woa *minipipeline.WebAnalysis, tk
 				}
 
 				// 4.1.2. Otherwise, if the control worked, that's blocking.
-				tk.setBlockingString("http-failure")
+				tk.setBlockingString("tcp_ip")
 				tk.setHTTPExperimentFailure(entry.Failure)
 				return
 			}
diff --git a/internal/experiment/webconnectivityqa/redirect.go b/internal/experiment/webconnectivityqa/redirect.go
index 25d6c7cad1..c303b540cb 100644
--- a/internal/experiment/webconnectivityqa/redirect.go
+++ b/internal/experiment/webconnectivityqa/redirect.go
@@ -11,7 +11,7 @@ import (
 func redirectWithConsistentDNSAndThenConnectionRefusedForHTTP() *TestCase {
 	return &TestCase{
 		Name:  "redirectWithConsistentDNSAndThenConnectionRefusedForHTTP",
-		Flags: 0,
+		Flags: TestCaseFlagNoV04,
 		Input: "https://bit.ly/32447",
 		Configure: func(env *netemx.QAEnv) {
 
@@ -39,7 +39,7 @@ func redirectWithConsistentDNSAndThenConnectionRefusedForHTTP() *TestCase {
 			XDNSFlags:             0,
 			XBlockingFlags:        2, // AnalysisBlockingFlagTCPIPBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tcp_ip",
 		},
 	}
 }
@@ -49,7 +49,7 @@ func redirectWithConsistentDNSAndThenConnectionRefusedForHTTP() *TestCase {
 func redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS() *TestCase {
 	return &TestCase{
 		Name:  "redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS",
-		Flags: 0,
+		Flags: TestCaseFlagNoV04,
 		Input: "https://bit.ly/21645",
 		Configure: func(env *netemx.QAEnv) {
 
@@ -77,7 +77,7 @@ func redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS() *TestCase {
 			XDNSFlags:             0,
 			XBlockingFlags:        2, // AnalysisBlockingFlagTCPIPBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tcp_ip",
 		},
 	}
 }
@@ -125,7 +125,7 @@ func redirectWithConsistentDNSAndThenConnectionResetForHTTP() *TestCase {
 func redirectWithConsistentDNSAndThenConnectionResetForHTTPS() *TestCase {
 	return &TestCase{
 		Name:  "redirectWithConsistentDNSAndThenConnectionResetForHTTPS",
-		Flags: 0,
+		Flags: TestCaseFlagNoV04,
 		Input: "https://bit.ly/21645",
 		Configure: func(env *netemx.QAEnv) {
 
@@ -153,7 +153,7 @@ func redirectWithConsistentDNSAndThenConnectionResetForHTTPS() *TestCase {
 			XDNSFlags:             0,
 			XBlockingFlags:        4, // AnalysisBlockingFlagTLSBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tls",
 		},
 	}
 }
@@ -232,7 +232,7 @@ func redirectWithConsistentDNSAndThenEOFForHTTP() *TestCase {
 func redirectWithConsistentDNSAndThenEOFForHTTPS() *TestCase {
 	return &TestCase{
 		Name:  "redirectWithConsistentDNSAndThenEOFForHTTPS",
-		Flags: 0,
+		Flags: TestCaseFlagNoV04,
 		Input: "https://bit.ly/21645",
 		Configure: func(env *netemx.QAEnv) {
 
@@ -260,7 +260,7 @@ func redirectWithConsistentDNSAndThenEOFForHTTPS() *TestCase {
 			XDNSFlags:             0,
 			XBlockingFlags:        4, // AnalysisBlockingFlagTLSBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tls",
 		},
 	}
 }
@@ -309,7 +309,7 @@ func redirectWithConsistentDNSAndThenTimeoutForHTTP() *TestCase {
 func redirectWithConsistentDNSAndThenTimeoutForHTTPS() *TestCase {
 	return &TestCase{
 		Name:     "redirectWithConsistentDNSAndThenTimeoutForHTTPS",
-		Flags:    0,
+		Flags:    TestCaseFlagNoV04,
 		Input:    "https://bit.ly/21645",
 		LongTest: true,
 		Configure: func(env *netemx.QAEnv) {
@@ -338,7 +338,7 @@ func redirectWithConsistentDNSAndThenTimeoutForHTTPS() *TestCase {
 			XDNSFlags:             0,
 			XBlockingFlags:        4, // AnalysisBlockingFlagTLSBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tls",
 		},
 	}
 }
diff --git a/internal/experiment/webconnectivityqa/tlsblocking.go b/internal/experiment/webconnectivityqa/tlsblocking.go
index d737435b9d..c51bfa4b62 100644
--- a/internal/experiment/webconnectivityqa/tlsblocking.go
+++ b/internal/experiment/webconnectivityqa/tlsblocking.go
@@ -10,6 +10,7 @@ import (
 func tlsBlockingConnectionResetWithConsistentDNS() *TestCase {
 	return &TestCase{
 		Name:  "tlsBlockingConnectionResetWithConsistentDNS",
+		Flags: TestCaseFlagNoV04,
 		Input: "https://www.example.com/",
 		Configure: func(env *netemx.QAEnv) {
 
@@ -31,7 +32,7 @@ func tlsBlockingConnectionResetWithConsistentDNS() *TestCase {
 			XStatus:               8448, // StatusExperimentHTTP | StatusAnomalyReadWrite
 			XBlockingFlags:        4,    // AnalysisBlockingFlagTLSBlocking
 			Accessible:            false,
-			Blocking:              "http-failure",
+			Blocking:              "tls",
 		},
 	}
 }