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fix(demo-gymburgdorf): verify authentik TLS chain from outposts

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Both outposts reach authentik over auth.gymb.*, which presents a valid
Let's Encrypt cert via the reverseproxy (verified: ssl_verify_result=0
from the storage subnet). Drop the insecure TLS skip:

- proxy outpost: authentik_outpost_proxy_insecure -> "false"
- ldap outpost: pin authentik_outpost_ldap_insecure "false" instead of
  relying on the role default ("true").

Addresses the automated security review finding (TLS verification disabled).
This commit is contained in:
Simon Bärlocher 2026-06-05 14:29:18 +02:00
parent e32c2202ea
commit 91d5be8d21
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2 changed files with 7 additions and 1 deletions
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3
inventories/demo-gymburgdorf/host_vars/application/authentik_outpost_ldap.yml
View file

@ -8,3 +8,6 @@ _authentik: "{{ lookup('community.hashi_vault.hashi_vault', vault_mount + '/data
# the LAN with a valid cert and matches the iss claim authentik emits. # the LAN with a valid cert and matches the iss claim authentik emits.
authentik_outpost_ldap_host: "https://auth.gymb.souveredu.ch" authentik_outpost_ldap_host: "https://auth.gymb.souveredu.ch"
authentik_outpost_ldap_token: "{{ _authentik.ldap_outpost_token }}" authentik_outpost_ldap_token: "{{ _authentik.ldap_outpost_token }}"
# auth.gymb.* presents a valid Let's Encrypt cert via the reverseproxy, so
# verify the chain instead of relying on the role's insecure default.
authentik_outpost_ldap_insecure: "false"

5
inventories/demo-gymburgdorf/host_vars/storage/authentik_outpost_proxy.yml
View file

@ -10,7 +10,10 @@ _authentik: "{{ lookup('community.hashi_vault.hashi_vault', vault_mount + '/data
# via the internal DNS view to the DMZ reverseproxy the storage subnet can # via the internal DNS view to the DMZ reverseproxy the storage subnet can
# reach). Token must match the storage-proxy-outpost registered in # reach). Token must match the storage-proxy-outpost registered in
# authentik (see application/authentik.yml authentik_proxy_outposts). # authentik (see application/authentik.yml authentik_proxy_outposts).
# Verify the authentik TLS chain: auth.gymb.* presents a valid Let's
# Encrypt cert via the reverseproxy and the storage subnet reaches it, so
# there's no reason to disable verification (verified: ssl_verify_result=0).
authentik_outpost_proxy_host: "https://auth.gymb.souveredu.ch" authentik_outpost_proxy_host: "https://auth.gymb.souveredu.ch"
authentik_outpost_proxy_token: "{{ _authentik.proxy_outpost_token }}" authentik_outpost_proxy_token: "{{ _authentik.proxy_outpost_token }}"
authentik_outpost_proxy_insecure: "true" authentik_outpost_proxy_insecure: "false"
authentik_outpost_proxy_network: "proxy" authentik_outpost_proxy_network: "proxy"