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dungvit85

and invite this freelancer
Flag of Vietnam ha noi, Vietnam
Member since February, 2011

Computer Skills: - Linux,Unix: RedHat - Debian - Sun Solaris - Firewalls/IDS: Iptables , Snort , Modsecurity2, Fail2ban, CSF - Web Server: Apache, Nginx , IIS, Tomcat - Network Tools: Nmap, Netcat , WireShark , Tcpdump , Acunetix Scanner. - Hacking & Security: Over 5 years experience in linux,windows hacking and security. - Nginx loadbalancing, Nginx as reverse proxy - Strong knowledge in Haproxy loadbalancing - Strong knowledge in Varnish Cache - Strong knowledge in Zabbix NMS - Mail Server: Qmail, Postfix , Zimbra, MX Exchange - Databases: MySql,SQL server 2000(2005) - VPN : Open VPN , PPTP (Sun OS,RedHat) - Virtualization: Vmware , Virtual PC, VirtualBox, ESX

4.9 / 5
5.3 / 10

@dungvit85

  • 81%Jobs Completed
  • 100%On Budget
  • 98%On Time
  • 12%Repeat Hire Rate

Recent Exams

  • Freelancer Orientation Top 1%
    90%

Top Skills

  • PHP
  • Linux
  • MySQL
  • HTML
  • Wordpress
  • Web Security
  • Apache
  • System Admin
  • Joomla
  • Script Install
  • Zen Cart
  • Plesk
  • SQL
  • Computer Security
  • Magento
  • DNS
  • IIS
  • Cryptography
  • Windows Server
  • Open Cart
+ show more

Recent Reviews

Experience

Freelancer to Present

Feb 2011

I worked as freelancer so that i have much time with my family.

Certifications

Linux Professional Institute (2007)

LPI-I, LPI-II

Microsoft Certificates (2008)

MCSA, MCSE

Badges

  • The Multi-tasker

    Complete 40 projects.
  • Mover and Shaker

    Create 50 Milestones.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Regular

    Log in every day for 1 week.
  • The Spartan

    Bid on 300 projects.
  • Smooth Operator

    Complete 10 projects on time.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • The Economist

    Complete 10 projects on budget.
  • Smart Money

    Create 10 Milestones.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Collector

    Reach a balance of 5,000 credits.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • The Verified

    Verify your payment method
  • Mover and Shaker

    Create 50 Milestones.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • The Collector

    Reach a balance of 5,000 credits.
  • The Multi-tasker

    Complete 40 projects.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Spartan

    Bid on 300 projects.
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • The Regular

    Log in every day for 1 week.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Adventurer

    Complete your first project.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • The Verified

    Verify your payment method