Hi there, I am an experienced system and network administrator and I have completed a number of network administration related projects already. You can check some here
https://www.freelancer.com/projects/system-admin/network-security-report/
https://www.freelancer.com/projects/web-hosting/teach-how-create-multiple-squid/
I have good understanding of DNS(Domain Name server/system), tunneling, VPN, proxies etc.
I can complete your project.
Please contact for further discussion. Thanks and regards!!!