ERT
communication
tls_error
ai_generated
true
SSL: TLSV1_ALERT_PROTOCOL_VERSION
ID: communication/tls-version-mismatch
82%Fix Rate
86%Confidence
3Evidence
2023-01-01First Seen
Version Compatibility
| Version | Status | Introduced | Deprecated | Notes |
|---|---|---|---|---|
| any | active | — | — | — |
Root Cause
Client and server TLS version incompatible.
genericWorkarounds
-
92% success Update client to support TLS 1.2+
-
88% success Check server supported versions: openssl s_client -connect host:443
Dead Ends
Common approaches that don't work:
-
Force TLS 1.0/1.1
90% fail
Insecure, deprecated protocols
-
Disable TLS verification to bypass
92% fail
MITM vulnerability