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Average Iptables Freelancer Feedback Score

Iptables Upwork freelancers typically receive a client rating of 4.87.

4.87
Last updated: May 1, 2015

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  1. Erik Geiger

    Erik Geiger

    Linux System Engineer

    Switzerland - Last active: 3 days ago - Tests: 12

    I've a great passion for linux systems and open source software. Since 2008 I'm working as linux System Engineer for a company, which is developing software that is provided to our customers as SaaS. For some clients we also provide installations "on site". This gave me great experience in working with CentOS and RedHat linux, puppet, kickstart, nginx as a proxy server, DRBD, database clusters using PostgreSQL with streaming replication, BIND, postfix, pki-authentication, bash-scripting and others. I'm also familiar with other linux operating systems like debian, ubuntu and gentoo. Buzzwords: puppet, linux, CentOS, debian, ubuntu, gentoo, nginx, nagios, bash, perl, DNS, BIND, email, postfix, postgrey, carp, DRBD, KVM, ssl, pki, x509, iptables, ipv6, PostgreSQL.

    $55.00 /hr
    34 hours
    5.00
  2. Alexander R.

    Alexander R.

    Senior IT/IS Architect, Analyst, Administrator

    Russia - Last active: 7 days ago - Tests: 4

    Senior Information Technologies, Networks and Systems Architect, Analyst and Administrator with extensive experience. Platforms: Windows, Linux, OS X Clouds: VMWare, Amazon Web Services, Microsoft Azure Email systems: qMail, Postfix, Dovecot, Microsoft Exchange Web hosting: Nginx (Winginx), Apache, IIS, Nodejs, PHP, Perl, Tomcat Databases: MySQL, PostgreSQL, MSSQL, MongoDB Enterprise: Google Apps, Microsoft Office 365 And much more custom solutions, software and systems installation, configuration, maintenance and monitor.

    $33.33 /hr
    96 hours
    5.00
  3. Zohair H.

    Zohair H. Agency Contractor

    Linux System Admin, Tech Hosting Support, cPanel/WHM Specialist

    Egypt - Last active: 1 day ago - Tests: 9 - Portfolio: 8

    I have more than 5 years in networking industries , 4 years in System Administration and hosting environment. Bsc in Computing .Certified with CCNA,CCNP in progress. 4 years in web hosting industries with Technical Support, System Administration and Business Development (web hosting) experience. TechnicalSkills and Experience: Ability to build, manage and troubleshoot control panel * Cpanel/WHM - DirectAdmin - PLESK - WebMin - Kloxo control panels Operating System * CentOS * Fedora Core * Ubuntu Including the following: • WWW Servers - Apache. • Control panels WHM/cPanel • Networking - TCP/IP, NFS, Telnet, FTP, DNS, DHCP, NAT, ifconfig, route, netstat, xinetd, HTTP, NIS/YP • Mail - SMTP, POP, IMAP, Qmail, Sendmail • Admin Tools - admintool ,linuxconf, vmstat, iostat, top, trace route, ping, sar, ntop, webmin • Backup - tar, cpio, dump (ufsdump) • Security - SSH, SSL, IPchains, IPtables, TCP Wrappers, Tripwire, port scanners, password crackers Server Security hardening * Firewall [csf/apf/iptables] * Tripwire * chkrootkit , rkhunter * Secure Shell * PHP hardening, sysctl hardening etc Web Server hardening and tweaking. * Apache optimization * Adding mod_security rules * Mod_evasive , mod_limitipconn for preventing DDOS * Tweaking of apache directives Billing System * WHMCS - Blesta Database * MySQL MTA * Qmail with SpamAssassin + ClamAV * Exim with SpamAssassin + ClamAV Primary Language * Arabic Secondary Language (excellent) * English * Please note I apologize to accept any work that contain Adult contents, Wine, Dating and gambling.

    Associated with: Contact Center Writing and Translation, EGY-TECH Agency

    $22.22 /hr
    2,191 hours
    4.93
  4. Joshua Dotson

    Joshua Dotson

    IT Sleuth & System Administrator (Open Source Infrastructure & HPC)

    United States - Last active: 03/06/2012 - Tests: 8

    LinkedIn http://www.linkedin.com/in/jmdots Summary I've worked in technical administration, technical support, customer service or leadership roles for all but a few months of my adult life. In this time, I climbed the ranks of a highly-modern, lightning-paced, large-scale, multi-OS supercomputing environment in Area B of Wright-Patterson Air Force Base (WPAFB) and became an avid user of all things open source. The place which was my professional home of over six years is known as the “Air Force Research Laboratory DoD Supercomputing Resource Center” or "AFRL DSRC" for short. The AFRL DSRC environment is home to the #19 supercomputer on the June 2011 Top500 Supercomputer List, a mammoth computer for which I received training: Cray Inc.'s "Raptor" XE6. I enjoy excelling in the IT industry by working smart by doing my research, building wisdom and having fun. Background 10GbE, Access, Alfresco Share, Amanda, Apple HW, Appro HPC, Audacity, bash, CentOS, Clonezilla, CUPS, Cray HPC, DD-WRT, Dell HW, DokuWiki, DRBD, eHealth, Excel, Fedora, Firefox, Gentoo, GIMP, git, Google Apps Domains, HP HW, High Performance Computing (HPC), HTML, InfiniBand, Inkscape, iptables, ITILv3, Kerberos, Kickstart, KVM, LibreOffice, Linux, MacOS, MediaWiki, MySQL, Nagios, Net-SNMP, NFS, Nmap, Nvidia GPGPU, OFED, OpenLDAP (w/TLS), OpenSSH, Oracle HW, Outlook, OTRS (with ITSM), Panasas (PanFS), PBS Pro, PhpLDAPAdmin, PhpMyAdmin, PKI, PowerPoint, Python, QEMU, RAID, regex, RHEL, Rocks Cluster, RootCA, RSA tokens, Samba, SAN (FC, iSCSI, SAS), Scientific Linux, SGI HPC, SharePoint, SiCortex HPC, SketchUp, SLES, SNMPv3, Solaris, Spectrum, Sun Freeware, Sun HW, SuperMicro HW, SUSE, SVG, svn, SystemEdge, TCP Wrappers, tomcat, Ubuntu (Desktop & LTS), vim, VirtualBox, Visio, Visual Basic, VMware, WebDAV, Windows (Desktop & Server), Word, Zenmap, ZFS, ZRM for MySQL

    $50.00 /hr
    21 hours
    5.00
  5. Alexandru V.

    Alexandru V.

    Senior Linux Administrator

    Romania - Last active: 2 months ago - Tests: 4 - Portfolio: 2

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.

    $20.00 /hr
    122 hours
    4.99
  6. Priyaranjan Sahu

    Priyaranjan Sahu

    Expert in Linux and Windows server administration.

    India - Last active: 9 days ago - Tests: 6 - Portfolio: 19

    --> DNS management (Registrar end and Hosting end), --> Mail Services (Postfix, Qmail, Exim, Mail enable, Exchange), --> FTP Services (Proftpd, PureFTP,VSFTP), --> Plesk Panel (Windows and Linux), --> Cpanel (Linux) and Enkompass (Windows), --> Virtuoozzo (VPS, Linux and Windows), --> Webmail (Roundcube, Horde, Squirrel, Atmail), --> Database (MySQL, MSSQL, Jet) --> Statistics analysers (Awstats, Webalizer and etc) --> SPAM checkers (Spamassasin, Boxtrapper) --> Network Administration (CCNA, Linux and Windows) --> Webservers (Apache, Nginx, IIS) --> CMS (Wordpress, Joomla, Magento, PHPFox, Wiki, Forums, Drupal) --> Technical SEO with speed optimisation from server end. --> Scripts installation (PHP, Perl, Shell) --> Server Hardening. --> Installation of Softwares on a server environment. --> Migration and setup of websites with minimum downtime. --> Technical article writing. --> Active Directory. --> Lync Server. ---> Parallels Operations Automation. --> Parallels Business Automation. I am glad to provide Technical help related with Servers both Linux and Windows as well as technical help related with wordpress, Joomla, Magento, Drupal and SEO optimizations. I have worked with Parallels Products like Virtuoozzo, Plesk and also worked with Cpanel from the past 3 years totally dedicated. I am an expert in Web-hosting industry. I am also an expert in Network administration. Please check my Blog for some solutions: http://linwintech.blogspot.com/

    $22.22 /hr
    21 hours
    4.84
  7. Aditya Baghel

    Aditya Baghel

    Linux Administrator / Bulk mail Server / PMTA / Interspire

    India - Last active: 1 day ago - Tests: 8 - Portfolio: 3

    Over the last two years, i have worked on e-mail marketing industry, using interspire and Linux email server, * Implementation, Managing and troubleshooting of systems like PowerMTA 4.0, IEM 6.1.3, OEM Pro, SPF, rDNS Setup, DKIM DNS Servers, Mail Servers, Database Servers. * Bulk marketing (Dkim, spf, high speed, interspire ,PMTA), * Virtualization: (Vmware, Openvz, Virtuozzo, Xen) * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw,), * Web servers (apache, nginx, lighttpd, tomcat), * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), * Monitoring (nagios), * Hosting panels (Cpanel/WHM, Plesk, Directadmin , Zpanel). Website - http://aditya-baghel.branded.me/

    $11.11 /hr
    77 hours
    4.90
  8. Nizhi Saeba

    Nizhi Saeba

    Asterisk and Linux System Administrator

    Mexico - Last active: 3 days ago - Tests: 5 - Portfolio: 2

    I have 10 years working with Asterisk, Linux, Postfix, Apache (and others). Actually i'm studying a bachelor in computer science at UNAM (Mexico) with focus on Data minning, Big Data, and Data Science. In the past i worked at comunications enterprise who has a large amount of office over a lot of cities in Mexico and Central America (Panama, Honduras, Nicaragua, Costa Rica, Dominic Republic), they have now a single callcenter where all calls that inbound from all cities, drops into that callcenter via VoIP with SIP over Asterisk. On the other hand, we build a system for automatic outbound calls for agents to prospect sales. I was also in charge of deployment of servers, Asterisk, Apache/PHP/Django (for web administration and web access for call agents), IPTables (for security), Squid (a web cache proxy for content filtering), Postfix+Dovecot for email, and a large of etcetera, all over ubuntu server and debian linux servers. often i wrote about my work, discoveries, advances and achievements in my blog at http://nizhi.im

    $16.00 /hr
    15 hours
    5.00
  9. Vazha F.

    Vazha F.

    Experienced Senior Linux Administrator/Engineer

    Georgia - Last active: 1 month ago - Tests: 2 - Portfolio: 4

    Mostly I work on linux platforms, but also familiar with BSD systems such as: freebsd, opendbsd and netbsd. Currently I work at Civil registry agency of Georgia as a senior linux System administrator and also maintain Public key infrastructure (based on open source software - EJBCA). I learn new concepts and systems quickly and receptive to new ideas, work well alone or in a team and also have a strong sense of responsibility. As of my experience I have worked with Cpanel/Whm, OpenVz virtualization, Dns(bind), mail servers, webmin, apache, php, nginx , squid vdsmanager. I have build monitoring systems based on Nagios, cacti and Zenoss. I have done mysql server optimization and administration as well, apache server load balancing using ngnix and other system optimization - security hardening tasks.

    $20.00 /hr
    15 hours
    5.00
  10. MUHAMMED RIYAS K.A

    MUHAMMED RIYAS K.A Agency Contractor

    Linux Server Administrator with Cloud Computing experience

    India - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    I am an Experienced Linux Server Administrator in Cloud Computing with more than 4 years of professional experience. I am specialized in Linux Server Administratoin/support in Cloud Computing like AWS, Rackspace, etc. I have the following experience: • Infrastructure Development of web applications using cloud services like AWS ELB, Auto scaling, Elastic Beanstalk, S3, Route53, etc. • Good experience in hosting control panels like Cpanel/WHM and Webmin • I have experience with Configuring server and installing software application like Apache, Mysql, LAMP, as per the client requirement. • Write shell scripts for taking backup, security checking etc and scheduling jobs. • Server migration and also setting up of production server as per the requirement with lower down time. • Installation of softwares from source like Wordpress, Joomla, Magento, Redmine, Drupal etc • Recompiling PHP and Apache. • SVN setup with branching and automating the code deployment process on to the testing and to the Live servers. • Configuring Monitoring tools like Nagios.

    Associated with: Amiczon

    $16.67 /hr
    425 hours
    4.87