refactor(minipipeline): separate unexplained tcp and tls failures

See ooni/probe#2634
ooni · Nov 30, 2023 · 1de94a4 · 1de94a4
1 parent c135b58
commit 1de94a4
Show file tree

Hide file tree

Showing 69 changed files with 259 additions and 152 deletions.
diff --git a/internal/cmd/minipipeline/testdata/analysis.json b/internal/cmd/minipipeline/testdata/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},
@@ -24,5 +26,5 @@
   "HTTPFinalResponsesWithTLS": {
     "4": true
   },
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {}
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }
diff --git a/internal/cmd/minipipeline/testdata/analysis_classic.json b/internal/cmd/minipipeline/testdata/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,
@@ -24,5 +26,5 @@
   "HTTPFinalResponsesWithTLS": {
     "4": true
   },
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {}
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }
diff --git a/internal/minipipeline/analysis.go b/internal/minipipeline/analysis.go
@@ -21,8 +21,6 @@ func AnalyzeWebObservations(container *WebObservationsContainer) *WebAnalysis {
 	analysis.ComputeDNSExperimentFailure(container)
 	analysis.ComputeDNSPossiblyNonexistingDomains(container)
 
-	analysis.ComputeTCPTransactionsWithUnexplainedUnexpectedFailures(container)
-
 	analysis.ComputeHTTPDiffBodyProportionFactor(container)
 	analysis.ComputeHTTPDiffStatusCodeMatch(container)
 	analysis.ComputeHTTPDiffUncommonHeadersIntersection(container)
@@ -59,6 +57,9 @@ type WebAnalysis struct {
 	// while checking for connectivity, as opposed to fetching a webpage.
 	TCPConnectUnexpectedFailureDuringConnectivityCheck Set[int64]
 
+	// TCPConnectUnexplainedFailure contains failures occurring during redirects.
+	TCPConnectUnexplainedFailure Set[int64]
+
 	// TLSHandshakeUnexpectedFailure contains TLS endpoint transactions with unexpected failures.
 	TLSHandshakeUnexpectedFailure Set[int64]
 
@@ -70,6 +71,9 @@ type WebAnalysis struct {
 	// while checking for connectivity, as opposed to fetching a webpage.
 	TLSHandshakeUnexpectedFailureDuringConnectivityCheck Set[int64]
 
+	// TLSHandshakeUnexplainedFailure contains failures occurring during redirects.
+	TLSHandshakeUnexplainedFailure Set[int64]
+
 	// HTTPRoundTripUnexpectedFailure contains HTTP endpoint transactions with unexpected failures.
 	HTTPRoundTripUnexpectedFailure Set[int64]
 
@@ -113,11 +117,6 @@ type WebAnalysis struct {
 	// cases where we're using TLS to fetch the final response, and does not concern
 	// itself with whether there's control data, because TLS suffices.
 	HTTPFinalResponsesWithTLS optional.Value[map[int64]bool]
-
-	// TCPTransactionsWithUnexplainedUnexpectedFailures contains the TCP transaction IDs for
-	// which we cannot explain TCP or TLS failures with control information, but for which we
-	// expect to see a success because the control's HTTP succeeded.
-	TCPTransactionsWithUnexplainedUnexpectedFailures optional.Value[map[int64]bool]
 }
 
 func (wa *WebAnalysis) dnsComputeSuccessMetrics(c *WebObservationsContainer) {
@@ -277,13 +276,21 @@ func (wa *WebAnalysis) dnsComputeFailureMetrics(c *WebObservationsContainer) {
 
 func (wa *WebAnalysis) tcpComputeMetrics(c *WebObservationsContainer) {
 	for _, obs := range c.KnownTCPEndpoints {
-		// dials once we started following redirects should not be considered
-		if obs.TagDepth.IsNone() || obs.TagDepth.Unwrap() != 0 {
+		// handle the case where there is no measurement
+		if obs.TCPConnectFailure.IsNone() {
 			continue
 		}
 
-		// handle the case where there is no measurement
-		if obs.TCPConnectFailure.IsNone() {
+		// dials once we started following redirects should be treated differently
+		// since we know there's no control information beyond depth==0
+		if obs.TagDepth.IsNone() || obs.TagDepth.Unwrap() != 0 {
+			if utilsTCPConnectFailureSeemsMisconfiguredIPv6(obs) {
+				continue
+			}
+			if obs.TCPConnectFailure.Unwrap() != "" {
+				wa.TCPConnectUnexplainedFailure.Add(obs.EndpointTransactionID.Unwrap())
+				continue
+			}
 			continue
 		}
 
@@ -321,13 +328,18 @@ func (wa *WebAnalysis) tcpComputeMetrics(c *WebObservationsContainer) {
 
 func (wa *WebAnalysis) tlsComputeMetrics(c *WebObservationsContainer) {
 	for _, obs := range c.KnownTCPEndpoints {
-		// handshakes once we started following redirects should not be considered
-		if obs.TagDepth.IsNone() || obs.TagDepth.Unwrap() != 0 {
+		// handle the case where there is no measurement
+		if obs.TLSHandshakeFailure.IsNone() {
 			continue
 		}
 
-		// handle the case where there is no measurement
-		if obs.TLSHandshakeFailure.IsNone() {
+		// handshakes once we started following redirects should be treated differently
+		// since we know there's no control information beyond depth==0
+		if obs.TagDepth.IsNone() || obs.TagDepth.Unwrap() != 0 {
+			if obs.TLSHandshakeFailure.Unwrap() != "" {
+				wa.TLSHandshakeUnexplainedFailure.Add(obs.EndpointTransactionID.Unwrap())
+				continue
+			}
 			continue
 		}
 
@@ -654,53 +666,6 @@ func (wa *WebAnalysis) ComputeHTTPFinalResponsesWithControl(c *WebObservationsCo
 	wa.HTTPFinalResponsesWithControl = optional.Some(state)
 }
 
-// ComputeTCPTransactionsWithUnexplainedUnexpectedFailures computes the TCPTransactionsWithUnexplainedUnexpectedFailures field.
-func (wa *WebAnalysis) ComputeTCPTransactionsWithUnexplainedUnexpectedFailures(c *WebObservationsContainer) {
-	var state map[int64]bool
-
-	for _, obs := range c.KnownTCPEndpoints {
-		// obtain the transaction ID
-		txid := obs.EndpointTransactionID.UnwrapOr(0)
-		if txid <= 0 {
-			continue
-		}
-
-		// to execute the algorithm we must have the reasonable expectation of
-		// success, which we have iff the control succeeded.
-		if obs.ControlHTTPFailure.IsNone() || obs.ControlHTTPFailure.Unwrap() != "" {
-			continue
-		}
-
-		// flip state from None to empty when we have a reasonable
-		// expectation of success as explained above
-		if state == nil {
-			state = make(map[int64]bool)
-		}
-
-		// if we have a TCP connect measurement, the measurement failed, and we don't have
-		// a corresponding control measurement, we cannot explain this failure using the control
-		//
-		// while doing this, deal with misconfigured-IPv6 false positives
-		if !obs.TCPConnectFailure.IsNone() && obs.TCPConnectFailure.Unwrap() != "" &&
-			!utilsTCPConnectFailureSeemsMisconfiguredIPv6(obs) &&
-			obs.ControlTCPConnectFailure.IsNone() {
-			state[txid] = true
-			continue
-		}
-
-		// if we have a TLS handshake measurement, the measurement failed, and we don't have
-		// a corresponding control measurement, we cannot explain this failure using the control
-		if !obs.TLSHandshakeFailure.IsNone() && obs.TLSHandshakeFailure.Unwrap() != "" &&
-			obs.ControlTLSHandshakeFailure.IsNone() {
-			state[txid] = true
-			continue
-		}
-	}
-
-	// note that optional.Some constructs None if state is nil
-	wa.TCPTransactionsWithUnexplainedUnexpectedFailures = optional.Some(state)
-}
-
 // ComputeHTTPFinalResponsesWithTLS computes the HTTPFinalResponsesWithTLS field.
 func (wa *WebAnalysis) ComputeHTTPFinalResponsesWithTLS(c *WebObservationsContainer) {
 	var state map[int64]bool

diff --git a/...inipipeline/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis.json b/...inipipeline/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},

diff --git a/...ine/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis_classic.json b/...ine/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/...tdata/webconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis.json b/...tdata/webconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},

diff --git a/...bconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis_classic.json b/...bconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/...ata/webconnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis.json b/...ata/webconnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis.json
@@ -11,9 +11,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},
@@ -30,5 +32,5 @@
   "HTTPFinalResponsesWithTLS": {
     "4": true
   },
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {}
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }
diff --git a/...onnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis_classic.json b/...onnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis_classic.json
@@ -9,9 +9,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,
@@ -21,5 +23,5 @@
   "HTTPDiffUncommonHeadersIntersection": null,
   "HTTPFinalResponsesWithControl": null,
   "HTTPFinalResponsesWithTLS": null,
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {}
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }
diff --git a/...l/minipipeline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis.json b/...l/minipipeline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},

diff --git a/...peline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis_classic.json b/...peline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/...testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis.json b/...testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/.../webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis_classic.json b/.../webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/.../testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis.json b/.../testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/...a/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis_classic.json b/...a/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis_classic.json
@@ -5,9 +5,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": null,

diff --git a/...ipeline/testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis.json b/...ipeline/testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis.json
@@ -7,9 +7,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": "android_dns_cache_no_data",
   "DNSPossiblyNonexistingDomains": {},
@@ -26,5 +28,5 @@
   "HTTPFinalResponsesWithTLS": {
     "3": true
   },
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {}
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }
diff --git a/...testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis_classic.json b/...testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis_classic.json
@@ -7,9 +7,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": "android_dns_cache_no_data",
   "DNSPossiblyNonexistingDomains": {},

diff --git a/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis.json b/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis.json
@@ -9,9 +9,11 @@
   "TCPConnectUnexpectedFailure": [],
   "TCPConnectUnexpectedFailureDuringWebFetch": [],
   "TCPConnectUnexpectedFailureDuringConnectivityCheck": [],
+  "TCPConnectUnexplainedFailure": [],
   "TLSHandshakeUnexpectedFailure": [],
   "TLSHandshakeUnexpectedFailureDuringWebFetch": [],
   "TLSHandshakeUnexpectedFailureDuringConnectivityCheck": [],
+  "TLSHandshakeUnexplainedFailure": [],
   "HTTPRoundTripUnexpectedFailure": [],
   "DNSExperimentFailure": null,
   "DNSPossiblyNonexistingDomains": {},
@@ -28,7 +30,5 @@
   "HTTPFinalResponsesWithTLS": {
     "3": true
   },
-  "TCPTransactionsWithUnexplainedUnexpectedFailures": {
-    "4": true
-  }
+  "TCPTransactionsWithUnexplainedUnexpectedFailures": null
 }