diff --git a/services.py b/services.py
index 0db21e8..fd31321 100644
--- a/services.py
+++ b/services.py
@@ -15,6 +15,10 @@ import gestion.config as config
 
 # liste des attributs dont dépend un service
 services_to_attrs = {}
+services_to_attrs['filtrage_machines'] = [ attributs.ipHostNumber, attributs.ip6HostNumber, attributs.macAddress ]
+services_to_attrs['surveillance_machines'] = services_to_attrs['filtrage_machines']
+services_to_attrs['filtrage_exemptions'] = [ attributs.exempt ]
+services_to_attrs['surveillance_exemptions'] = services_to_attrs['filtrage_exemptions']
 services_to_attrs['macip'] = [ attributs.ipHostNumber, attributs.ip6HostNumber, attributs.macAddress, attributs.paiement, attributs.carteEtudiant, attributs.finConnexion ]
 services_to_attrs['dns'] = [ attributs.ipHostNumber, attributs.ip6HostNumber, attributs.sshFingerprint, attributs.host, attributs.hostAlias, attributs.dnsIpv6 , attributs.hostCert, attributs.portTCPin, attributs.portUDPin ]
 services_to_attrs['blacklist'] = [ attributs.blacklist, attributs.chbre, attributs.mailInvalide ] + services_to_attrs['macip']