Keycloak.x-16.1.1 : it says it is listening on port 8443 but 443 is used after

Hello I did the commands

kc build --db h2-file
kc start --hostname=XXXX --https-key-store-password=YYY

It logs

2022-02-28 15:48:35,337 INFO [org.key.con.inf.DefaultInfinispanConnectionProvid
erFactory] (main) Node name: XXXX-62107, Site name: null
2022-02-28 15:48:36,572 INFO [io.quarkus] (main) Keycloak 16.1.1 on JVM (powere
d by Quarkus 2.5.3.Final) started in 10.364s. Listening on:

2022-02-28 15:48:36,572 INFO [io.quarkus] (main) Profile prod activated.
2022-02-28 15:48:36,572 INFO [io.quarkus] (main) Installed features: [agroal, c
di, hibernate-orm, jdbc-h2, jdbc-mariadb, jdbc-mssql, jdbc-mysql, jdbc-oracle, j
dbc-postgresql, keycloak, narayana-jta, reactive-routes, resteasy, resteasy-jack
son, smallrye-context-propagation, smallrye-health, smallrye-metrics, vault, ver

it says it listens on

listening on:

but on the administration console it goes on

XXXX/admin/ which returns

Not Found

HTTP Error 404. The requested resource is not found.

so I tried : XXXX:8443/admin/master/console/

it returns the page by empty

Can you explain what i did wrong?