Tweaks + adding explicit no log directives

etc/unbound/unbound.conf

@@ -1,6 +1,6 @@
 # /etc/unbound/unbound.conf : unbound conf. file for cantal
 #
-# Last edition : 2025-07-06
+# Last edition : 2025-07-17
 # Last editor : @Campanu
 #
 
@@ -56,6 +56,9 @@ server:
 	num-threads: 2
 	so-reuseport: yes
 	
+	so-rcvbuf: 4m
+	so-sndbuf: 4m
+	
 	prefetch: yes
 	prefetch-key: yes
 	
@@ -69,8 +72,8 @@ server:
 	
 	neg-cache-size: 4m
 	key-cache-size: 16m
-	msg-cache-size: 128m
-	rrset-cache-size: 256m
+	msg-cache-size: 64m
+	rrset-cache-size: 128m
 	
 	infra-cache-numhosts: 100000
 	
@@ -82,18 +85,22 @@ server:
 	ede: yes
 	ede-serve-expired: yes
 	
-    # RFC 8767: Serving Stale Data
-    serve-expired: yes
+	# RFC 8767: Serving Stale Data
+	serve-expired: yes
 	serve-expired-ttl: 86400
 	serve-expired-ttl-reset: no
 	serve-expired-reply-ttl: 30
 	serve-expired-client-timeout: 1800
 	
 	# Logging
-	use-syslog: no
 	logfile: "/var/log/unbound.log"
 	verbosity: 1
 	log-time-ascii: yes
 	
+	log-queries: no
+	log-replies: no
+	log-servfail: no
+	log-local-actions: no
+
 remote-control:
 	control-enable: no