be explicit with script type

remote/ssl-update.sh

@@ -29,14 +29,14 @@ printf 'Firewall config: "%s"\n' "$fw_config"
 
 if [ "$state" == 'HTTP_UP' ]; then
   printf 'Removing comment\n'
-  sed -i 's/^# pass/pass/' "$fw_config"
+  /usr/bin/sed -i 's/^# pass/pass/' "$fw_config"
   if [ $? != 0 ]; then
     printf 'Failed to configure %s http port up.\n' "$ssl_service" >&2
     exit 1
   fi
 elif [ "$state" == 'HTTP_DOWN' ]; then
   printf 'Adding comment\n'
-  sed -i 's/^pass/# pass/' "$fw_config"
+  /usr/bin/sed -i 's/^pass/# pass/' "$fw_config"
   if [ $? != 0 ]; then
     printf 'Failed to configure %s http port down.\n' "$ssl_service" >&2
     exit 1
@@ -46,7 +46,7 @@ else
   exit 1
 fi
 
-/usr/local/bin/pfhup
+/usr/local/bin/pfhup.sh
 if [ $? != 0 ]; then
   printf 'Failed to restart firewall. Check config immediately.\n' >&2
   exit 1