File config location :
/opt/lampp/etc/extra/httpd-xampp.conf
to enable :
# since XAMPP 1.4.3
<Directory "/opt/lampp/phpmyadmin">
AllowOverride AuthConfig limit
Require local
Deny from All
# Require all granted
# Allow from all
ErrorDocument 403 /error/XAMPP_FORBIDDEN.html.var
</Directory>
uncommand Require all granted & Allow from all
than
command Require local & Allow from all
Restart after edit config :
/opt/lampp/./lampp restart