diff --git a/README.md b/README.md
index 7bfd74d..6b4b5ac 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ iptables -I INPUT -p udp --dport 27016 -j ACCEPT
 iptables -I INPUT -p tcp --dport 27016 -j ACCEPT
 iptables -I INPUT -p udp --dport 7778 -j ACCEPT
 iptables -I INPUT -p tcp --dport 7778 -j ACCEPT
+iptables -I INPUT -p tcp --dport 32330 -j ACCEPT
 ```
 
 NB: Change the ports according to the ones set in your `arkmanager.cfg` file.
diff --git a/tools/arkmanager b/tools/arkmanager
index 9fb29d2..8f819e6 100755
--- a/tools/arkmanager
+++ b/tools/arkmanager
@@ -74,10 +74,6 @@ checkConfig() {
   fi
 
   # Environment configuration
-  # arkserverroot
-  if [ ! -w `echo "$arkserverroot" | sed 's:/[^/]*$::'` ] ; then
-    echo -e "[" "$RED" "ERROR" "$NORMAL" "]" "\tYou have not rights to write in the defined ARK server root directory"
-  fi
   # arkserverexec
   if [ ! -f "$arkserverroot/$arkserverexec" ] ; then
     echo -e "[" "$YELLOW" "WARN" "$NORMAL" "]" "\tYour ARK server exec could not be found."
@@ -348,7 +344,16 @@ doStop() {
 # install of ARK server
 #
 doInstall() {
-  mkdir -p "$arkserverroot"
+  # Check if arkserverroot already exists
+  if [ ! -d "$arkserverroot" ]; then
+    # If it does not exist, try create it
+    echo -e "Creating the ARK server root directory ($arkserverroot)"
+    mkdir -p "$arkserverroot"
+    if [ ! $? ] ; then
+      echo -e "[" "$RED" "ERROR" "$NORMAL" "]" "\tFailed to create the defined ARK server root directory ($arkserverroot)"
+      exit 1
+    fi
+  fi
 
   cd "$steamcmdroot"
   # install the server
@@ -416,10 +421,10 @@ doBackup(){
   local datestamp=`date +"%Y-%m-%d_%H.%M.%S"`
   local backupdir="${arkbackupdir}/${datestamp}"
   mkdir -p "$backupdir"
-  cp "${arkserverroot}/ShooterGame/Saved/SavedArks/${serverMap}.ark" "${backupdir}/${serverMap}.ark"
-  cp "${arkserverroot}/ShooterGame/Saved/SavedArks/"*.arkprofile "${backupdir}"
-  cp "${arkserverroot}/ShooterGame/Saved/SavedArks/"*.arktribe "${backupdir}"
-  cp "${arkserverroot}/ShooterGame/Saved/Config/LinuxServer/GameUserSettings.ini" "${backupdir}"
+  cp -p "${arkserverroot}/ShooterGame/Saved/SavedArks/${serverMap}.ark" "${backupdir}/${serverMap}.ark"
+  cp -p "${arkserverroot}/ShooterGame/Saved/SavedArks/"*.arkprofile "${backupdir}"
+  cp -p "${arkserverroot}/ShooterGame/Saved/SavedArks/"*.arktribe "${backupdir}"
+  cp -p "${arkserverroot}/ShooterGame/Saved/Config/LinuxServer/GameUserSettings.ini" "${backupdir}"
 }
 
 #