diff --git a/install_pure-ftpd.sh b/install_pure-ftpd.sh
index e77ffab..d5c2616 100755
--- a/install_pure-ftpd.sh
+++ b/install_pure-ftpd.sh
@@ -250,16 +250,10 @@ else
    echo_skipped
 fi
 
-subj="
-C=DE
-ST=Berlin
-localityName=Berlin
-O=O.OPEN
-organizationalUnitName=Network Services
-commonName=$(hostname -f)
-emailAddress=argus@oopen.de
-"
 
+# - Create certificate/key file /etc/ssl/private/pure-ftpd.pem and
+# - also DH parameters file /etc/ssl/private/pure-ftpd-dhparams.pem
+# -
 subj="
 C=DE
 ST=Berlin
@@ -281,6 +275,16 @@ else
    error "$(cat $tmp_err_msg)"
 fi
 
+echononl "   Change permissions (600) on certification file.."
+chmod 600 /etc/ssl/private/pure-ftpd.pem > $tmp_err_msg 2>&1
+if [[ $? -eq 0 ]] ; then
+   echo_ok
+else
+   echo_failed
+   error "$(cat $tmp_err_msg)"
+fi
+
+
 echononl "   DH parameters file 'pure-ftpd-dhparams.pem'"
 openssl dhparam -out /etc/ssl/private/pure-ftpd-dhparams.pem 2048 > $tmp_err_msg 2>&1
 if [[ $? -eq 0 ]] ; then
@@ -290,6 +294,7 @@ else
    error "$(cat $tmp_err_msg)"
 fi
 
+
 # - Configure syslogd matching the configuration od amavisd
 # -
 echononl "   Configure syslogd matching the ftp syslog facility"