diff --git a/.gitignore b/.gitignore
index ea0f5de..b617e87 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,10 +3,8 @@
 .kdev4/*
 client_software/.sync_*.db
 client_software/setup_system.conf
-config/setup_system.conf
-config/*.bak
-config/skel.tar.zst
-config/.sync_*.db
+config/*
+!config/README.md
 config.d/*.conf
 config.d/*.sys
 config.d/*.bak
diff --git a/client_software/0020_nextcloud_mozilla_pre/user_run.sh b/client_software/0020_nextcloud_mozilla_pre/user_run.sh
index ac2a392..6a30af3 100755
--- a/client_software/0020_nextcloud_mozilla_pre/user_run.sh
+++ b/client_software/0020_nextcloud_mozilla_pre/user_run.sh
@@ -21,6 +21,9 @@ from webdav3.client import Client
 #Variables
 thunderbird_tar = os.path.dirname(__file__) + '/thunderbird.tar.zst'
 firefox_tar = os.path.dirname(__file__) + '/firefox.tar.zst'
+#If defined, use another Profile for that Company
+if 'PROFILE_FIREFOX_TAR_FILE' in environ:
+  firefox_tar=environ['PROFILE_FIREFOX_TAR_FILE']
 firefoxhome_path = environ['HOME'] + "/.config/mozilla/firefox"
 firefoxhome_profile_src = os.path.dirname(__file__) + '/profiles_ff.ini'
 firefoxhome_profile_dst = firefoxhome_path + '/profiles.ini'
diff --git a/system_setup/config.dist/setup_system.conf.dist b/system_setup/config.dist/setup_system.conf.dist
index 9a0afc3..bede8c8 100644
--- a/system_setup/config.dist/setup_system.conf.dist
+++ b/system_setup/config.dist/setup_system.conf.dist
@@ -68,12 +68,18 @@ if [ "$EUID" -ne 0 ]; then
   export CLIENT_DATA_SYNC_DECLARE="$(declare -p CLIENT_DATA_SYNC)" # Do not remove
   #End of Sync Folder for nextcloud client
 
-  #Firefox Profiles of the User
+  #Firefox Profiles
   export PROFILE_FIREFOX_RESET_LOCAL="true" # Set this to wipe ~/.mozilla each time if you don't want users to setup their own firefox profile
+  # Optional: own Firefox profile used for this company if given as default
+  # You may use any tar file, that contains a valid firefox profile set up to your companies need.
+  # As example look at 0020_nextcloud_mozilla_pre/firefox.tar.zst
+  # You should put it under e.g SYSCONFIGPATH and than use the filepath relative. e.g. "${SYSCONFIGPATH}/firefox.tar.zst"
+  export PROFILE_FIREFOX_TAR_FILE=""
+  #Mozilla profile paths on Nextcloud Server. Syncs your profiles to Nextcloud.
   export PROFILE_FIREFOX_SRC="mozilla_profiles/firefox"
   export PROFILE_FIREFOX_DST="${DECRYPTEDDATADIR}/firefox"
 
-  #Thunderbird Profiles
+  #Thunderbird Profiles to also be synced
   export PROFILE_TB_SRC="mozilla_profiles/thunderbird"
   export PROFILE_TB_DST="${DECRYPTEDDATADIR}/thunderbird"