Oh thanks i will try this! > -----Ursprüngliche Nachricht----- > Von: Yann Ylavic <ylavic....@gmail.com> > Gesendet: Freitag, 19. Oktober 2018 15:28 > An: users@httpd.apache.org > Betreff: Re: [users@httpd] SNI extension for healthchecks > > Hi Dominik, > > sorry for the late response. > > On Tue, Oct 16, 2018 at 12:44 PM Dominik Stillhard <Dominik.Stillhard@united- > security-providers.ch> wrote: > > > > 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. > > It should not, see below. > > > > > My config looks as follows: > [] > > > > <Proxy balancer://mycluster lbmethod=byrequests> > > BalancerMember https://127.0.0.1:8443 > > BalancerMember https://127.0.0.1:8444 > > https://tools.ietf.org/html/rfc6066#section-3 : > ... > Literal IPv4 and IPv6 addresses are not permitted in "HostName". > > So httpd won't set the SNI in your case, I guess "localhost" instead of > 127.0.0.1 would > work... > > > > > ProxyPreserveHost On > > While this is meaningful for forwarded client requests (their "Host:" > header can be preserved on the backend side, instead of using the one from the > ProxyPass/BalancerMember directive), it does not apply to healthcheck where > connections/requests are created on the httpd proxy and there is nothing to > preserve, > so the only hostname/SNI to use in the one from ProxyPass/BalancerMember here. > > So for healthcheck requests to be accepted by your backend (name based virtual > host), you need to set real hostnames in BalancerMember(s) above, or use > "localhost" > provided that "ServerAlias localhost" is configured on the backend for the > relevant > vhost. > > > Regards, > Yann. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > For additional commands, e-mail: users-h...@httpd.apache.org
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