Profile image of cjconstante
Penanda Colombia Montería, Colombia
Ahli semenjak 20 Julai 2017
3 Cadangan


Dalam Talian Luar Talian
I am Cristian, an ethical hacker (security professional). I can provide defensive methods to your systems / networks to secure them in the best way or, offensive methods (attacking) your systems / networks, as a real hacker would, but in a professional and controlled manner. I will strive from the technological side to grow your business and reputation so that you can render good services to your customers. I am also a network and telecommunications specialist and have more than 5 years of experience in administration, configuration and server hardening. It is one of the tasks that I like to do most. Tools/Skills. - Operating Systems: Linux (CentOS, Fedora, RedHat, Ubuntu, Debian) and Windows Servers (2008R2 - 2012 - 2016) - Firewalls/Proxy: pfSense, IPTables, CSF, Cisco, Juniper, Check Point, Zentyal, ClearOS - VPN: OpenVPN, StrongSwan, OpenSwan, IPSec, SoftEther VPN, PriTunl
$18 USD/jam
35 ulasan
  • 92%Kerja Diselesai
  • 92%Mengikut Bajet
  • 96%Tepat Pada Masa
  • 8%Kadar Ulang Upah


Ulasan Terkini


  • Preferred Freelancer Program SLA
  • US English Level 1


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