diff --git a/data/hooks/conf_regen/02-ssl b/data/hooks/conf_regen/02-ssl
index e3e30cb19..60acdbbbb 100755
--- a/data/hooks/conf_regen/02-ssl
+++ b/data/hooks/conf_regen/02-ssl
@@ -62,7 +62,7 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/ssl
 
-  install -D openssl.cnf "${pending_dir}/${ssl_dir}/openssl.cnf"
+  install -D -m 644 openssl.cnf "${pending_dir}/${ssl_dir}/openssl.cnf"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/03-ssh b/data/hooks/conf_regen/03-ssh
index 6fb6953ce..a469b7a66 100755
--- a/data/hooks/conf_regen/03-ssh
+++ b/data/hooks/conf_regen/03-ssh
@@ -13,7 +13,7 @@ do_pre_regen() {
       [[ -f /proc/net/if_inet6 ]] \
         || sed -i "s/ListenAddress ::/#ListenAddress ::/g" sshd_config
 
-      install -D sshd_config "${pending_dir}/etc/ssh/sshd_config"
+      install -D -m 644 sshd_config "${pending_dir}/etc/ssh/sshd_config"
   fi
 }
 
diff --git a/data/hooks/conf_regen/06-slapd b/data/hooks/conf_regen/06-slapd
index f4bda09da..4316de5e4 100755
--- a/data/hooks/conf_regen/06-slapd
+++ b/data/hooks/conf_regen/06-slapd
@@ -35,15 +35,16 @@ do_pre_regen() {
   [ ! -f /etc/ldap/slapd-yuno.conf ] \
     || touch "${pending_dir}/etc/ldap/slapd-yuno.conf"
 
+  # create needed directories
   ldap_dir="${pending_dir}/etc/ldap"
-  install -D ldap.conf  "${ldap_dir}/ldap.conf"
-  install -D slapd.conf "${ldap_dir}/slapd.conf"
-
   schema_dir="${ldap_dir}/schema"
-  install -D sudo.schema       "${schema_dir}/sudo.schema"
-  install -D mailserver.schema "${schema_dir}/mailserver.schema"
+  mkdir -p "$ldap_dir" "$schema_dir"
 
-  install -D slapd.default "${pending_dir}/etc/default/slapd"
+  # copy configuration files
+  cp -a ldap.conf slapd.conf "$ldap_dir"
+  cp -a sudo.schema mailserver.schema "$schema_dir"
+
+  install -D -m 644 slapd.default "${pending_dir}/etc/default/slapd"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/09-nslcd b/data/hooks/conf_regen/09-nslcd
index a008c4288..5071ac1fd 100755
--- a/data/hooks/conf_regen/09-nslcd
+++ b/data/hooks/conf_regen/09-nslcd
@@ -7,7 +7,7 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/nslcd
 
-  install -D nslcd.conf "${pending_dir}/etc/nslcd.conf"
+  install -D -m 644 nslcd.conf "${pending_dir}/etc/nslcd.conf"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/28-rmilter b/data/hooks/conf_regen/28-rmilter
index 9d6df61d7..bc225d530 100755
--- a/data/hooks/conf_regen/28-rmilter
+++ b/data/hooks/conf_regen/28-rmilter
@@ -7,8 +7,8 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/rmilter
 
-  install -D rmilter.conf "${pending_dir}/etc/rmilter.conf"
-  install -D rmilter.socket "${pending_dir}/etc/rmilter.socket"
+  install -D -m 644 rmilter.conf "${pending_dir}/etc/rmilter.conf"
+  install -D -m 644 rmilter.socket "${pending_dir}/etc/rmilter.socket"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/31-rspamd b/data/hooks/conf_regen/31-rspamd
index 1ea777de8..327bedef1 100755
--- a/data/hooks/conf_regen/31-rspamd
+++ b/data/hooks/conf_regen/31-rspamd
@@ -7,9 +7,9 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/rspamd
 
-  install -D metrics.local.conf \
+  install -D -m 644 metrics.local.conf \
       "${pending_dir}/etc/rspamd/local.d/metrics.conf"
-  install -D rspamd.sieve \
+  install -D -m 644 rspamd.sieve \
       "${pending_dir}/etc/dovecot/global_script/rspamd.sieve"
 }
 
diff --git a/data/hooks/conf_regen/34-mysql b/data/hooks/conf_regen/34-mysql
index 1b84c8aba..7905035fb 100755
--- a/data/hooks/conf_regen/34-mysql
+++ b/data/hooks/conf_regen/34-mysql
@@ -7,7 +7,7 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/mysql
 
-  install -D my.cnf "${pending_dir}/etc/mysql/my.cnf"
+  install -D -m 644 my.cnf "${pending_dir}/etc/mysql/my.cnf"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/37-avahi-daemon b/data/hooks/conf_regen/37-avahi-daemon
index 113e9e0c7..655a2e054 100755
--- a/data/hooks/conf_regen/37-avahi-daemon
+++ b/data/hooks/conf_regen/37-avahi-daemon
@@ -7,7 +7,8 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/avahi-daemon
 
-  install -D avahi-daemon.conf "${pending_dir}/etc/avahi/avahi-daemon.conf"
+  install -D -m 644 avahi-daemon.conf \
+    "${pending_dir}/etc/avahi/avahi-daemon.conf"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/40-glances b/data/hooks/conf_regen/40-glances
index e7d6b07b9..a19d35d56 100755
--- a/data/hooks/conf_regen/40-glances
+++ b/data/hooks/conf_regen/40-glances
@@ -7,7 +7,7 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/glances
 
-  install -D glances.default "${pending_dir}/etc/default/glances"
+  install -D -m 644 glances.default "${pending_dir}/etc/default/glances"
 }
 
 do_post_regen() {
diff --git a/data/hooks/conf_regen/46-nsswitch b/data/hooks/conf_regen/46-nsswitch
index 9cbcae13d..db3a2199a 100755
--- a/data/hooks/conf_regen/46-nsswitch
+++ b/data/hooks/conf_regen/46-nsswitch
@@ -7,7 +7,7 @@ do_pre_regen() {
 
   cd /usr/share/yunohost/templates/nsswitch
 
-  install -D nsswitch.conf "${pending_dir}/etc/nsswitch.conf"
+  install -D -m 644 nsswitch.conf "${pending_dir}/etc/nsswitch.conf"
 }
 
 do_post_regen() {