chrony.conf update with new IPv6 + deletion of time.cloudflare.com source

etc/chrony/chrony.conf

@@ -1,12 +1,12 @@
 # /etc/chrony/chrony.conf : chrony conf. file for cantal
 #
-# Last edition : 2025-07-06
+# Last edition : 2026-05-01
 # Last editor : @Campanu
 #
 
 # General
 bindaddress 0.0.0.0
-bindaddress 2a01:e0a:4d5:3c20::101b
+bindaddress 2a01:e0a:1026:9bd0::101b
 allow 0/0
 allow ::/0
 
@@ -16,6 +16,21 @@ makestep 1.0 3
 
 cmdport 0
 
+# Services
+## Clear UDP
+port 123
+ratelimit interval 2 burst 4 leak 2
+
+## Secure TCP (NTS)
+ntsntpserver ntp2.luc-geo.fr
+ntsport 4460
+ntsprocesses 2
+ntsratelimit interval 2 burst 4 leak 2
+
+ntsserverkey /path/to/privkey.pem
+ntsservercert /path/to/fullchain.crt
+ntsdumpdir /var/lib/chrony
+
 # Paths
 leapseclist /usr/share/zoneinfo/leap-seconds.list
 driftfile /var/lib/chrony/chrony.drift
@@ -25,22 +40,7 @@ logdir /var/log/chrony
 log tracking measurements statistics
 clientloglimit 1048576
 
-## Client logging activated for tests
-#noclientlog
-
-# Rate limits
-ratelimit interval 2 burst 4 leak 2 
-ntsratelimit interval 2 burst 4 leak 2
-
-# NTS
-ntsntpserver ntp2.luc-geo.fr
-ntsserverkey /path/to/privkey.pem
-ntsservercert /path/to/fullchain.crt
-ntsdumpdir /var/lib/chrony
-
 # Synchronization servers
-
-## Stratum 1
 server ntp0.fau.de nts iburst
 server ntp0.ipv6.fau.de nts iburst prefer
 server ntp3.fau.de nts iburst
@@ -49,6 +49,3 @@ server ptbtime1.ptb.de nts iburst
 server ptbtime2.ptb.de nts iburst
 server ptbtime3.ptb.de nts iburst
 server ptbtime4.ptb.de nts iburst
-
-## Stratum 3 (fallback)
-server time.cloudflare.com nts iburst