used the template

etc/profile-m-z/syncthing.profile

@@ -1,47 +1,116 @@
 # Firejail profile for syncthing
+# Description: File synchronization using public networks
 # This file is overwritten after every install/update
+
+##quiet
 # Persistent local customizations
 include syncthing.local
 # Persistent global definitions
 include globals.local
 
-# NOTE: this assumes a ~/Sync directory to be shared.
+noblacklist ${HOME}/.local/state/syncthing
+# NOTE: this assumes a ~/Sync directory to be shared by default. Maybe leave a requirement to edit local file to set dirs?
+noblacklist ${HOME}/Sync
 
+# NOTE: will cause WARNING: Failed to lower process
+#       priority: set I/O priority: operation not permitted
+#       So, we try to preemptively set it here:
+nice 2
 
-# Allow python3 (blacklisted by disable-interpreters.inc)
-include allow-python3.inc
+# no allow-*.inc
 
+##blacklist PATH
+# Disable Wayland
+blacklist ${RUNUSER}/wayland-*
+# Disable RUNUSER (cli only; supersedes Disable Wayland)
+blacklist ${RUNUSER}
+# Remove the next blacklist if your system has no /usr/libexec dir,
+# otherwise try to add it.
+blacklist /usr/libexec
+
+# disable-*.inc includes
 include disable-common.inc
 include disable-devel.inc
+include disable-exec.inc
 include disable-interpreters.inc
+include disable-proc.inc
 include disable-programs.inc
+include disable-shell.inc
+#include disable-write-mnt.inc # we set disable-mnt
+#include disable-x11.inc # this causes an error...
+include disable-xdg.inc
+
 
 mkdir ${HOME}/.local/state/syncthing
-noblacklist ${HOME}/.local/state/syncthing
 whitelist ${HOME}/.local/state/syncthing
 
+# see note above about this dir!
 mkdir ${HOME}/Sync
 whitelist ${HOME}/Sync
 
 include whitelist-common.inc
 
+
+# Landlock commands
+##landlock.fs.read PATH
+##landlock.fs.write PATH
+##landlock.fs.makeipc PATH
+##landlock.fs.makedev PATH
+##landlock.fs.execute PATH
+#include landlock-common.inc
+
+##allusers
+#apparmor
 caps.drop all
+# CLI only
+##ipc-namespace
+# breaks audio and sometimes dbus related functions
+#machine-id
 netfilter
 no3d
 nodvd
 nogroups
 noinput
 nonewprivs
+noprinters
 noroot
 nosound
+#notpm # this line causes error
 notv
 nou2f
 novideo
 protocol unix,inet,inet6
 seccomp
+##seccomp !chroot
+##seccomp.drop SYSCALLS (see syscalls.txt)
+#seccomp.block-secondary
+##seccomp-error-action log (only for debugging seccomp issues)
+#tracelog
+#x11 none # desirable but too complex to add
 
+disable-mnt
+#private-bin PROGRAMS
+private-cache
 private-dev
-private-tmp
+#private-etc
+#  Networking: ca-certificates,crypto-policies,host.conf,hostname,hosts,nsswitch.conf,pki,protocols,resolv.conf,rpc,services,ssl
+##private-lib LIBS
+#private-tmp
+##writable-etc
+##writable-run-user
+##writable-var
+##writable-var-log
+
+dbus-user none
+dbus-system none
+
+# Note: read-only entries should usually go in disable-common.inc (especially
+# entries for configuration files that allow arbitrary command execution).
+##deterministic-shutdown
+##env VAR=VALUE
+# NOTE: there's no env to avoid starting the browser, but it will err out just "fine".
+##join-or-start NAME
+#memory-deny-write-execute
+##read-write ${HOME}
+restrict-namespaces
 
-#noexec /tmp
-#restrict-namespaces