Library does not support TLS ALPN extension

@zemanelcenas wrote:

Hello,

When trying to enable http2 on latest haproxy 1.8.1 i’m always getting a “library does not support TLS ALPN extension” error.

By default i try:

frontend http2
bind *:443 ssl crt /etc/haproxy/ssl/ alpn h2,http/1.1

CentOS Linux release 7.4.1708
OpenSSL 1.0.2k-fips 26 Jan 2017

But I also try to do the same with the latest OpenSSL 1.0.2n and with the no-shared param as described in this tutorial:

No luck. Any thoughts?

Thank you

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