Security anchor fixes (elastic#576)

Author: lcawl

docs/en/stack/redirects.asciidoc

@@ -701,7 +701,7 @@ See {ref}/saml-kibana.html[Configuring {kib}].
 === Troubleshooting SAML Realm Configuration
 
 This page has moved. 
-See {ref}/_troubleshooting_saml_realm_configuration.html[Troubleshooting SAML realm configuration].
+See {ref}/saml-troubleshooting.html[Troubleshooting SAML realm configuration].
 
 [role="exclude",id="oidc-guide"]
 === Configuring single sign-on to the {stack} using OpenID Connect
@@ -743,7 +743,7 @@ See {ref}/oidc-kibana.html[Configuring {kib}].
 [role="exclude",id="_openid_connect_without_kibana"]
 === OpenID Connect without {kib}
 This page has moved. 
-See {ref}/_openid_connect_without_kibana.html[OpenID Connect without {kib}].
+See {ref}/oidc-without-kibana.html[OpenID Connect without {kib}].
 
 [role="exclude",id="authorization"]
 == User authorization