Imej profil cjconstante
@cjconstante
Penanda Colombia Montería, Colombia
Ahli semenjak 20 Julai 2017
3 Cadangan

cjconstante

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
$30 USD/hr
49 ulasan
5.6
  • 94%Kerja Diselesai
  • 94%Mengikut Bajet
  • 98%Tepat Pada Masa
  • 9%Kadar Ulang Upah

Portfolio

Ulasan Terkini

Sijil

  • Preferred Freelancer Program SLA
    87%
  • US English Level 1
    85%

Pengesahan

  • Facebook Disambung
  • Freelancer Keutamaan
  • Bayaran Disahkan
  • Telefon Disahkan
  • Identiti Disahkan
  • E-mel Disahkan

Kemahiran Teratas Saya

Cari Freelancer yang serupa