Peer logs filled with TLS handshake error #fabric #fabric-questions #ssl #tls


chintanr97@...
 

Hi Team, in peer logs we keep seeing following error messages:
```
2021-01-12 14:36:08.217 UTC [core.comm] ServerHandshake -> ERRO 2278 TLS handshake failed with error read tcp <ip1>:7052-><ip3>:60870: i/o timeout server=ChaincodeServer remoteaddress=<ip3>:60870
2021-01-12 14:36:08.218 UTC [core.comm] ServerHandshake -> ERRO 2279 TLS handshake failed with error read tcp <ip1>:7051-><ip3>:60872: i/o timeout server=PeerServer remoteaddress=<ip3>:60872
2021-01-12 14:36:08.573 UTC [core.comm] ServerHandshake -> ERRO 227a TLS handshake failed with error read tcp <ip1>:7052-><ip4>:54263: i/o timeout server=ChaincodeServer remoteaddress=<ip4>:54263
2021-01-12 14:36:08.575 UTC [core.comm] ServerHandshake -> ERRO 227b TLS handshake failed with error read tcp <ip1>:7051-><ip4>:54262: i/o timeout server=PeerServer remoteaddress=<ip4>:54262
2021-01-12 14:36:12.287 UTC [core.comm] ServerHandshake -> ERRO 227c TLS handshake failed with error EOF server=PeerServer remoteaddress=<ip2>:65264
2021-01-12 14:36:12.601 UTC [core.comm] ServerHandshake -> ERRO 227d TLS handshake failed with error read tcp <ip1>:7052-><ip2>:65265: i/o timeout server=ChaincodeServer remoteaddress=<ip2>:65265
2021-01-12 14:36:13.231 UTC [core.comm] ServerHandshake -> ERRO 227e TLS handshake failed with error EOF server=PeerServer remoteaddress=<ip3>:60887
2021-01-12 14:36:13.233 UTC [core.comm] ServerHandshake -> ERRO 227f TLS handshake failed with error EOF server=ChaincodeServer remoteaddress=<ip3>:60888
```

On our end, we verified the TLS certificates and they seem to be correctly configured with required SANs. I wanted to understand the implication of the "i/o timeout" error and "error EOF" messages.

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