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On average, 7 Iptables projects are completed every quarter on Upwork.

7

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Average Iptables Freelancer Feedback Score

Iptables Upwork freelancers typically receive a client rating of 4.88.

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Last updated: August 1, 2015

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  1. Vitaliy Nogin

    Vitaliy Nogin

    Linux, Cisco administrator

    Ukraine - Last active: 4 days ago - Tests: 1

    PROFESSIONAL EXPIRIENCE: EQUIPMENT: 1 Server hardware by IBM and HP, IBM-PC compatible. 2 CISCO switches and routers (800,1700,1800,2600,2800,3560,3600,3750,7200,etc series) 3 Intel switches. 4 Digital Super Hybrid Telephone Systems iDCS-500 and OfficeServ 7200 by Samsung 5 Zeroshell, 3Com, D-Link, Zyxel, MikroTik. OPERATING SYSTEMS: 1 UNIX, Linux, FreeBSD, Solaris 2 Microsoft Windows Server 2003/2008 NETWORK PROTOCOL: 1 HTTP, SNMP, SMTP, TELNET, FTP, SSH, SCP, SMB, NFS, DNS, NNTP, POP2/POP3, IMAP, UUCP, NIS, NFS, SOCKS5 etc. 2 SSL 3 RPC, NetBIOS 4 TCP, UDP, GRE 5 IP, BGP, OSPF, RIP, PPP, ICMP, ARP 6 Ethernet, X.25, Frame Relay, ISDN, MPLS, IEEE 802.11 PROGRAMMING LANGUAGES: Perl, bash, csh, awk, expect, PHP, Pascal, Delphi, C++, Visual Basic, HTML, Java

    $15.00 /hr
    0 hours
    4.91
  2. Hans W.

    Hans W.

    Senior System Engineer

    United States - Last active: 5 months ago - Tests: 2

    Accomplished System Administrator with 16 years of experience in research and instructional computing support. Comprehensive experience with Linux, Windows and Solaris. Specialties * Enterprise System Administration * Storage Management * Network Engineering * Datacenter Operations

    $44.44 /hr
    679 hours
    5.00
  3. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Last active: 4 days ago - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    412 hours
    0.00
  4. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 4 days ago - Tests: 7 - Portfolio: 3

    I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

    $33.33 /hr
    711 hours
    4.92
  5. Bhushan Kumar Sharma

    Bhushan Kumar Sharma

    Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    India - Last active: 13 hours ago - Tests: 4 - Portfolio: 14

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

    $16.67 /hr
    3,620 hours
    4.85
  6. Alfonso Valdes

    Alfonso Valdes

    Linux / Amazon AWS / WHM WordPress / Nginx / Security / Docker DevOps

    Mexico - Last active: 13 hours ago - Tests: 4 - Portfolio: 6

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High Performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Lately Building WordPress hosting environments highly available and scalable in AWS/DigitalOcean/Google Compute/Azure. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. Helped dozens of clients migrate their web sites and applications into the AWS, Digital Ocean, Google Cloud Compute Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. WORDPRESS HIGH PERFORMANCE AND TRAFFIC SITES IMPLEMENTATIONS: Improve Wordpress performance, design a cloud hosting with complex services using Wordpress, Wordpress multisite, wordpress + woocommerce, wordpress with NGINX/varnish , integration with CDN, Memcached/Redis, Amazon S3, etc etc. Build an entire HOSTING environment from design, implementation and maintenance. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing ( AWS ) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, Amazon VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. DevOps and Continuous integration: Docker + vagrant, Vagrant + Puppet, Puppet + Git, Docker + Ansible. Continuous integration with Jenkins, travisCI, distelli and more... Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, Mysql cluster, Nginx Load Balancer, Apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Research & development (R & D) for any open source service and technology.

    $24.99 /hr
    8,729 hours
    4.90
  7. Nathaniel Jennings

    Nathaniel Jennings

    Linux Administrator/Engineer

    United States - Last active: 17 days ago - Tests: 4 - Portfolio: 1

    Highly skilled general Linux Administration on all flavors, including Solaris and BSD. Thorough C/C++ System Programming understanding and experience, utilizing system calls directly to the Kernel.Can install and maintain existing installs including: RAID, SELinux, remotely manage (SSH), and utilize OpenSource OS's, including BASH Scripts, CRON jobs, custom written Kernel Modules, Python scripting for streamlining tasks, Apache administration, intranet design and implementation including NFS, software RAID, SFTP, fuse SSH drive mounting, KVM and UML optimization and installation including virtual networking (tuntap, iptables, TCPfowarding) iptables, OpenVPN, IPP2P, l7-filtering, server automation, Version Control, automated server creation. I am always willing to learn a new method or tool to complete any task desired of me. I have learned and fine tuned the most widely, in my opinion, needed tasks, but can not wait to have more experience using other technologies. Summary  Passionate autodidactic learner  Quick minded, and open to new methodologies  Attentive to detail  Methodological , precise worker  Highly motivated  Enthusiastic manual reader!  Truly enjoy troubleshooting and problem solving  Linux enthusiast  Open Source enthusiast  MAC OSX proficient  Microsoft functional (can figure out any problem with research) Education Bachelors of Electrical Engineering Tech DeVry Orlando, FL Audio Engineering ARTI Orlando, FL  Big Board installations, computer set up, audio engineering, audio work station design, synthesis, audio technologies, performance, live shows, studio design, acoustic design, digital sound design, Dolby Digital 7.1 design, digital audio theory, digital audio encoding, digital audio Plug-In design, audio software design  Linux Sound Design  Recording engineer  Mixing engineer  Mastering Engineer  Audio hardware Engineer  Logic Pro  Reason  Max/MSP  OSC  PureData Supervisor, Electrical Assistant  Worked for Contractor  Gathered and assessed inventory for job  Managed laborers  Quality Control  Industrial Electrical installations  Residential installations Jennings & Jennings, LLC.  Built Studio  Consumer Audio recording  Mix engineer  Plug-in Development  Composition  Professional music production

    $30.00 /hr
    1,668 hours
    4.03
  8. Robin J.

    Robin J.

    Server Administrator and Automation Expert Linux / Windows

    India - Last active: 18 days ago - Tests: 2

    Approx 4 years of experience in the field of Server Administration of Linux/Unix/Solaris/Windows. Good experience in the following points: Full Server Installation and configuration with the latest patches Hardening server Server security Server optimization Live server migration Server monitoring Expertise areas: 1. Linux Server Distributions (RedHat, CentOS, Fedora, Ubuntu) 2. WebServers (Apache/Litespeed, Nginx, Tomcat, Jboss) 3. Hosting Control Panel (WHM/C-Panel, Direct Admin,ISPConfig, Plesk Panel) 4. Monitoring Tools (Nagios, Cacti, Mrtg, Prtg) 5.Server Security (Iptables, CSF, Rkhunter, Chkrootkits, SSHD, TCP Wrapper) 6. Database (MySql, Oracle) 7. Mail Server (SendMail, Exim Mail, Zimbra, QMail) 8. Virtualiation (Virtuozoo, Hyper-V, OpenVz, Xen) 9. Scripting (Bash Shell) 10. Other: DNS, DHCP NFS, FTP, Smabha, Telnet, Ldap, NIS

    $12.00 /hr
    152 hours
    4.96
  9. Mohammed Nasimuddin

    Mohammed Nasimuddin

    Linux Administrator

    India - Last active: 6 days ago - Tests: 5

    I’m an independent consultant focused on: Linux and Open Source. Infrastructure development Worked mainly in the web-hosting area, my key accomplishments are listed below. I have more than 7 years of experience working with Linux and Open Source, providing solutions for small, medium and big companies. I have strong knowledge in Web server (Apache, Lighttpd, Nginx, PHP, Perl, Python..), Mail server (Sendmail, Qmail, Postfix, Zimbra...), DNS (Bind, Power DNS...), Firewall, Network, Database (MySQL, noSQL: couchbase...), load balancing (HaProxy, LVS..),web-hosting panels (CPanel, Plesk,DirectAdmin). However, my knowledge is not limited in these areas. My specialties are: - EC2 / Rackspace Cloud computing setup (incl. EC2/Rackspace API scripting) - Virtualization (KVM, Xen, OpenVZ/Virtuozzo) - Sites/Servers migration (Wordpress, CPanel, Plesk) - Shared file systems (nfs, drbd, ocfs2, gfs) - Server security (VPN, firewall, IDS) - Server performance optimization (Apache, Nginx, MySQL) - Email white-listing, spf, high load delivery, performance - Backup, shell scripts, etc. My core competency lies in complete end-end : + Setup Apache Tomcat ,PHP's Pear Package Manager ,Postgre SQL .... + Install Ruby on Rails on an Debian 7.0 (Wheezy) VPS using RVM + PHPMyAdmin MySQL database manager + Ioncube setup on LAMP ,LEMP , WAMP , MAMP + Setup Ruby 4 on Ubuntu 12.4 LTS + Install Rails, Apache, and MySQL on Ubuntu with Passenger + OpenEmm setup on CentOs 6.0 64bit + Administrate VPS and dedicated Server + Setup Sugar CRM and Zoho CRM workflow and modules. + Good experience with WordPress eCommerce site + Good skills with CMS and Joomla. + Proxmox Cluster setup and HA , VM Creation,update, Migration. + Sheepdog Storage cluster setup. + Media server setup with red5 , oflademo I reply to all emails and requests in a very prompt fashion and don't forget to update my clients about the progress before going off-line.

    $33.33 /hr
    9 hours
    5.00