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EXPLORE
6.1
6.1
96%
$30 USD / Hour
・
Vietnam (8:01 AM)
・
Joined on December 30, 2009
・
1 Recommendation
$30 USD / Hour
・
I am very experienced with: * Magento/WordPress/HTML * Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server), * Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, vserver), * Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump), * Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting), * Caching ( apc/xcache/memcached/varnish/nginx) * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), * Bulk marketing (Dkim, spf, high speed/inboxing, interspire), * Automation (puppet, perl/shell/awk scripting), * Monitoring (nagios, zabbix, munin), * Hosting Ccontrol Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). * Mobile Application (Android / iOS / Windows Phone)* Magento/WordPress/PHP
Verifications
On time
99%
On budget
100%
Accept rate
67%
Repeat hire rate
12%
UnitedCoR Web Development
Hispanic American FreeThinker
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UnitedCoR Web Development
Hispanic American FreeThinker
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Muhammad A.
$55 USD
Excellent as always. Will hire again.
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Ruchi S.
$40 USD
He is very friendly and very supportive and highly recomanded.Also communication is also perfect.I can only give 5/5 because no any reason to give less start.He is really Star.
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Awesome work fast and to the point ! I couldn't be happier!! I will be back!!
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Ahmed S.
$37 USD
Excellent and fast i will hire him again
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Experience
Security Researcher
Jul, 2011 - Oct, 2011
•
3 months
Google, inc
Jul, 2011 - Oct, 2011
•
3 months
I worked as Security Researcher at Google, inc for 3 month, then I decided to leave job and worked as freelancer.
Jul, 2011 - Oct, 2011
•
3 months
Education
Stanford University
2002 - 2006
•
4 years
Computer Science
United States
2002 - 2006
•
4 years
Qualifications
Linux Administration (General)
2015
Brainbench
Our Linux Administration (General) test measures your knowledge of the key issues and concepts of administering in a Linux environment. This is our core Linux Administration test and is focused on the general aspects of Linux that span all Linux variations. This test covers the following topics: Application Management, Configuration and Administration, Installation, Kernel Customization, Networking, Performance and Accounting, Security, and System Monitoring.
2015
Apache 2.0 Administration
2015
Brainbench
Our Apache 2.0 Administration test measures your knowledge of Apache 2.0 Administration. Designed for the experienced user, but an average performer in this role should pass this test. This test covers the following topics: Customization, Dynamic Content, Manipulating URL, Modules, Performance Optimization, Securing Web Server, Server Configuration, Setup, Tracking Server Activities, and Virtual Hosts. less
2015
Linux Administration (RHEL 6)
2015
Brainbench
Linux Administration (RHEL 6) test measures your knowledge of Linux Administration (RHEL 6). Designed for experienced users, this test covers the following topics: Administration, Host-Based Security, Network Services, Networking, Processes, Shell, and Storage.
2015
Publications
How to attack and fix Local File Disclosure
exploit-db/Securityfocus
That book is about how to find and fix Local File Disclosure. I also published a lot of vulnerabilities for many famous company like Google, vBulletin®, World Bank, Miss World, Twitter...
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