Re: [keycloak-user] HTTP status 400 from Tomcat after successful login
Timo,
To secure a Tomcat webapp that is behind an SSL-terminating reverse proxy, you basically
need a checklist of three items:
- make sure that your reverse proxy forwards all the necessary info to the backend,
including hostname and protocol;
- in Tomcat, configure proxy (host and "https" scheme) on a connector level;
- reflect the changes in the client config in Keycloak (use https:// and your proxy URL).
Cheers,
Dmitry Telegin
CTO, Acutus s.r.o.
Keycloak Consulting and Training
Pod lipami street 339/52, 130 00 Prague 3, Czech Republic
+42 (022) 888-30-71
E-mail: info(a)acutus.pro
On Fri, 2018-12-07 at 14:55 +0100, Timo Kockert wrote:
Hello everyone,
I have configured a web application, that is running in Tomcat, to
authenticate users with Keycloak. Everything is running fine if I
deploy the app to my local Tomcat, even when using the remote Keycloak
instance.
However, when I deploy the app to another Tomcat running behind an
Apache HTTP Server, the following happens:
> * When I navigate to https://my-domain.tld/app I get redirected to the
Keycloak login
* After I log in successfully, Keycloak redirects me to
<IP>:<PORT>/app of the Tomcat
* The Tomcat answers with HTTP status 400
My keycloak.json looks like this:
{
"realm": "cdb_test",
> "auth-server-url": "https://keycloak-server.tld/auth",
"ssl-required": "external",
"resource": "cdb_test",
"public-client": true
}
The VHost is configured like this:
ProxyPass /app http://<IP>:<PORT>/app/
ProxyPassReverse /app http://<IP>:<PORT>/app/
ProxyPassReverseCookiePath / /app/
I turned on debug logging for the Keycloak Tomcat adapter, see attachment.
Any advice?
Thanks in advance
Timo
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