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RE: SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol

by JoelKatz :: Rate this Message:

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Anil Tambe wrote:

> Getting the Below error :

> error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
> As of now i am not able to reproduce the issue in stand alone openssl,
> this is coming from the parent application which is consuming openssl.

What is the problem? Are clients unable to connect? Seeing this error in a
log is perfectly normal and doesn't necessarily indicate any problem. This
generally indicates a protocol mismatch on the two sides of a connection,
which can occur very commonly on the Internet.

For example, if someone types "http://www.example.com:4040/" instead of
"https://www.example.com:4040/" one side will be speaking SSL and one side
won't. Odds are the SSL-speaking side will find some SSL protocol violation,
since the other side isn't speaking SSL at all.

DS


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