
cjconstante
36 reviews

@cjconstante
Jäsen alkaen 20. heinäkuuta 2017
3 Suositukset
cjconstante
Online-tilassa
Offline-tilassa
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
dollaria18
dollaria / tunti
5.2
- 92%Suoritetut työtehtävät
- 93%Budjetin mukaisesti
- 96%Ajallaan
- 9%Uudelleenpalkkaamisaste
Portfolio
Viimeaikaiset arvostelut
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Setup L2TP VPN on Debian Server £84.00 GBP
“Positive impression”
wtlsupport3 viikkoa sitten
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Project 16433640 has been deleted $120.00 USD
“Great job. He was available to get it done fast and went above and beyond. I am very happy with the entire process and the results."”
holy22kuukausi sitten
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Streisand VPN $315.00 CAD
“Thanks for your good work”
Bashaclickkuukausi sitten
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Safety review of my website (worldpress+woocomerce) €400.00 EUR
“Great Guy, he did a lot of work very fast at a resonable price, what more can you ask for ?”
andreadavidkuukausi sitten
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Project for Cristian C. $50.00 USD
“Has great knowledge and troubleshooting skills. Good freelancer. Will use him in the future. Jonathan”
jwright20kuukausi sitten
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Configurar servidor virtual con panel Plesk Pro Edition $95.00 MXN
“Profesional, honesto y propositivo, sin duda sabe su trabajo, muchas gracias!”
albertomarxkuukausi sitten
Todistukset
Varmennukset
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Omat vahvimmat taitoni
- Linux 26
- Verkkoturva 15
- Tietoturva 14
- Verkonhallinta 13
- Internet-turvallisuus 12
- tietojärjestelmäarkkitehtuuri 6
- Apache 5
- WordPress 2
- DNS 2
- Amazon Web Services 2
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