Hello all I face the problem, that the sni extension is not set on healthcheck-requests to a backend using tls. Because healthchecks are negative, this leads to ordinary requests also beeing denied.
on the backend server i have the following error:
AH02033: No hostname was provided via SNI for a name based virtual host
I’ve also investigated it with wireshark, the extionsion is defenitely not set.
My config looks as follows:
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Listen 127.0.0.1:443
ServerName www.localhost.com
<VirtualHost 127.0.0.1:443>
ServerName www.localhost.com
ServerAlias localhost.com
SSLCertificateFile /etc/httpd/ssl/ca.crt
SSLCertificateKeyFile /etc/httpd/ssl/ca.key
SSLEngine on
SSLProxyEngine on
ProxyHCExpr isok {%{REQUEST_STATUS} =~ /^[23]/}
ProxyHCTemplate template hcinterval=5 hcexpr=isok hcmethod=get
hcuri=/healthcheck.php
<Proxy balancer://mycluster lbmethod=byrequests>
BalancerMember https://127.0.0.1:8443
BalancerMember https://127.0.0.1:8444
ProxyPreserveHost On
SSLProxyProtocol TLSv1
</Proxy>
<Location />
ProxyPass balancer://mycluster/
ProxyPassReverse balancer://mycluster/
</Location>
</VirtualHost>
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I’ve read that ProxyPreserveHost should be «on», but this doesn’t solve the
problem ..
Am I missing something, or is this eventually a bug in mod_proxy_hcheck?
Thanks in advance for help/ideas on this!
Cheers
Dominik
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