LAN setup and auditing system.

Need a person well versed in LAN and making my systems secure from outsiders accessing it or not allowing any remote access. Also need an audit of my system Using windows and has some softwares More details:... (Budget: ₹600 - ₹3000 INR, Jobs: Computer Security, Database Administration, Firewall, Network Administration, Network Engineering, Network Monitoring, Network Security, System Admin, System Administration, Windows Server)