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Hybrid Cloud for Developers
book

Hybrid Cloud for Developers

by Manoj Hirway
April 2018
Intermediate to advanced content levelIntermediate to advanced
280 pages
8h 37m
English
Packt Publishing
Content preview from Hybrid Cloud for Developers

VPN connection issues

One of the most commonly faced errors while attempting connection to the OpenVPN access server is a TLS handshake failure.

The following message is written in the log file:

OpenSSL: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol'
TLS_ERROR: BIO read tls_read_plaintext error'
TLS Error: TLS object -> incoming plaintext read error'
TLS Error: TLS handshake failed'
SIGUSR1[soft,tls-error] received, client-instance restarting'

This usually happens when the server expects a higher TLS version from the message, but the VPN client problem uses an older version. The solution to this problem is to upgrade the client program to support the version that the server expects.

Another common problem with connections ...

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Publisher Resources

ISBN: 9781788830874Supplemental Content