I am started using samba server in my laptop. But security is a concern. I have allready enabled firewall for linux named iptables and Fedora specific name firewalld with the following command.
$ sudo systemctl start firewalld
$ sudo systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled)
Active: active (running) since Sun 2015-02-01 08:40:45 EET; 3 days ago
Main PID: 9957 (firewalld)
└─9957 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid
But more hardening make is more secure and search for samba security with simple step. Here is...