Clutter in log files, bogus connections

Kurt Roeckx kurt at roeckx.be
Sun Nov 24 23:14:36 UTC 2019


On Sat, Nov 23, 2019 at 04:42:50PM -0800, Hal Murray wrote:
> 
> I see a lot of clutter in log files from things like
>   error:1408F10B:SSL routines:ssl3_get_record:wrong version number
> I assume they are from bad guys probing for openings.
> 
> Is the error code returned by ERR_get_error() constant across releases?  Can I 
> compile magic constants like 1408F10B into my code?  If not, is there a 
> suggested approach?

Use ERR_GET_LIB(error) == ERR_LIB_SSL && ERR_GET_REASON(error) == SSL_R_WRONG_VERSION_NUMBER.


Kurt



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