Iptables Freelancers

Showing 151 freelancers

Iptables Freelancers

Showing 151 freelancers

  • +5 Year Exp. Professional Server Administrator

    A Professional Server Administrator having more then 5 years of practical experience in administrating networks, Windows and linux-based systems, including installation, configuration and troubleshooting devices and services of such vendors as Cisco, IBM, VMware, Symantec. I have been working as … more

    A Professional Server Administrator having more then 5 years of practical experience in administrating networks, Windows and linux-based systems, including installation, configuration and troubleshooting devices and services of such vendors as Cisco, IBM, VMware, Symantec. I have been working as server administrator. I have well rounded knowledge and hands-on experience in the following areas: * Windows Servers Win 2003, Win 2008, MSSQL Server, IIS * Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu), * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM, vserver), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables, proxies), * Web servers (apache, nginx, lighttpd, tomcat), * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin, courier, dovecot), * Hosting panels (Cpanel/WHM, Plesk, Directadmin, WebsitePanel).  less

    apache-administration mysql amazon-web-services linux-system-administration centos ubuntu postfix nagios phpmyadmin sendmail cpanel ftp samba iptables apache-tomcat subversion squid lamp-administration clamav windows-administration iis microsoft-exchange-server 00 more less
    • $15.00 HOURLY RATE
    • 4.3
    • 511 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Linux system administrator

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx … more

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx, lighttpd, tomcat), * 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), * Hosting panels (Cpanel/WHM, Plesk, Directadmin). Java, J2EE, Maven, JUnit(DTDUnit, JMock, StrutsTestCase, DBUnit), apache commons, SQL (pl-sql/MySQL/ORACLE/MS SQL), HTML, JS, AJAX, CSS, Spring, Struts, Tiles, ORM/Hibernate, XML, XSLT, Jasper, Ant, JMeter  less

    linux-system-administration lamp-administration mail-server-implementation network-administration mysql apache-administration virtualization amazon-ec2 amazon-web-services amazon-s3 unix-shell nagios bash openvpn security squid subversion iptables dhcp exim centos plesk ubuntu cpanel whm nginx postfix rhel 00 more less
    • $27.78 HOURLY RATE
    • 4.8
    • 1241 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Linux System, Network and VOIP Engineer/Admin - more than 10 years

    I am having more than 12 years of Linux system and network administration, VoIP deployments, system integration. My major expert areas are: >>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban >>Servers … more

    I am having more than 12 years of Linux system and network administration, VoIP deployments, system integration. My major expert areas are: >>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban >>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba, Ziproxy(image compression proxy server), any open source or closed source software in the field >> Control Panels :- CPanel installation and administration >>VoIP :- FreeSwtich, Asterisk based products (Bare Asterisk, Elastix, Trixbox, FreePBX or any related), secure RTP streams (SRTP) with Transport Layer Security (TLS) with or without Server Certificate, CRM integration and Dialers >>Monitoring and remote admin :- Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Sarg, Nagios, FreeNX, SSh/Telnet >>Scripting :- Bash, PHP, Perl, Curl >>Web and Database :- SQL Server, MySQL, HTML, PHP, Java Scripts >>Inter-networking :- LAN/WAN using Cisco and DLink Routers, Managed and unmanned Switches, Structured cabling and Fiber cabling systems, >>Telecommunication :- Circuit Switching, SDH and PDH, Ip based networks, Transmission, Telecommunication network implementation and maintenance >>Virtualization:- WMWare Exsi 4/5, HyperV, VirturlBox, Zen >>Operating Systems :- Redhat or Dabian based servers such like CentOS, Ubuntu, Dabian etc,. ### My time zone : GMT +5.30 (Asia/Colombo) Pls consider this on hiring me ### Quality of work : Commit to provide 100% not a bit less than that. If I say it can be done .. definitely it is possible. If I say cant .. surely I cant do that. Welcome clients...  less

    linux-system-administration asterisk vmware-esx elastix trixbox php perl centos ubuntu nagios sendmail postfix iptables squid mail-server-implementation ftp cisco-routers network-administration email-deliverability-consulting email-marketing google-apps windows-administration unix-shell 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 86 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 28 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Python, Django, Javascript, *nix, Networking

    5 years experience Python, PyQt4, Django, GAE, Flask, Javascript, Bootstrap, jQuery, ExtJS. Also as *nix admin, Squid, VPN ,Iptables, Postfix, KVM, mdadm, Bacula, Apache, ngnix, SSH, SMB, netflow, Zabbix. Wide experience in DB admin and programming: PgSQL, MSSQL, SQlite, Firebird.

    python javascript linux-system-administration postgresql unix-system-administration flask sql regular-expressions translation-english-russian openvpn iptables squid pyqt zabbix ssh samba fetchmail network-administration 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 22 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • 11 Years Exp in Linux Admin,Apache,Tomcat,Cpanel,Git,Mercurial,Svn

    Having 10 Years of experience in various field of system Engineering 1>Linux administration Installation, deployment update patches 2>Experience in web server installation administration apache 3>Experience in Application server Installation and administration Jboss, Tomcat, Covalent 4>various system … more

    Having 10 Years of experience in various field of system Engineering 1>Linux administration Installation, deployment update patches 2>Experience in web server installation administration apache 3>Experience in Application server Installation and administration Jboss, Tomcat, Covalent 4>various system admin activities on Linux servers a>Configuring Iptables b>Installation Content management system Like Drupal, alfresco c>installation of Proxy servers Squid d> Installation of Mail servers Send mail. e>Installation of open source network intrusion prevention system SNORT 5> Design Continuous Integration Environment Using Various Configuration, Build and CI tools. a>CI Tool: --- Subversion, CVS,Mercurial,Git b>Build Tool:-Ant, Maven. c>CI TOOL: -----Bamboo, Hudson, Cruise Control,TeamCity 6>Content Management System: a>Installation Content management system Like Drupal, alfresco,Zoomla b>Worked on control panel cpanel/WHM ,Webmin.  less

    linux-system-administration apache-ant maven subversion jboss apache-administration apache-tomcat sendmail unix-system-administration mail-server-implementation iptables squid cvs virtualization eucalyptus-cloud samba firewalls php operating-systems-development mysql lamp-administration cpanel whm web-content-management mercurial git github teamviewer sw-configuration-management continuous-integration 00 more less
    • $11.11 HOURLY RATE
    • 4.8
    • 7 HOURS
    • INDIA
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 1 TEST
  • Web/Mobile Software Engineer/Developer

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration … more

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration for different types of solutions > establishing links and designing overview Software: Programming and scripting languages: script - ECMAScript, VBScript, JavaScript, JS Frameworks (JQuery, KineticJS, libcanvas) server side - Java SE, PHP, python, sh/zsh/bash, awk/sed/perl Development and maintenance of web applications based on: WordPress, Joomla, Drupal, Symfony2 framework, Yii framework SQLite, MySQL, Memcache PHP, XML, XSLT, HTML, CSS/JavaScript Servers administration: AWS EC2 instances PBAS, HSPc, Virtuozzo, Plesk VMWare ESX/vSphere Apache, MS IIS, Tomcat Qmail, Sendmail, MS Exchange, MailEnable MS DNS, Bind MS Active Directory Nagios, Zabbix, Bacula Database administration: Oracle, Interbase, MSSQL, MySQL OS Administration: MS Windows (Desktop&Server versions) Linux (RedHat & Debian based distros) HP-UX, Solaris Hardware: Designing and developing IT infrastructures: Public Telephone Networks, VoIP complexes local and distributed networks various connection channels (LAN, ISDN, xDSL, WiFi, broadband) Buildling, configuring, installing, maintaining servers (HP, Sun, Intel, Dell, IBM), network equipment (D-Link, Cisco), workstations Diagnostics and removal of hardware problems Workflow: Gathering, analyzing and documenting tech requirements, development tasks, product description; software re-engineering Participation in official public correspondence and other communications Planning and estimating  less

    security linux-system-administration ubuntu centos bash unix-system-administration hp-ux solaris-administration unix-shell windows-administration iis virtualization openvz vmware-administration vmware-esx lamp-administration ssh apache-administration nginx plesk whm cpanel dns ftp smtp database-administration sql mysql oracle-database mail-server-implementation sendmail qmail exim mailenable spamassassin amazon-web-services amazon-ec2 amazon-s3 technical-support helpdesk-support nagios zabbix website-development version-control git github oop html xhtml xml css php regular-expressions ajax javascript jquery drupal wordpress joomla network-planning network-administration tcp-ip firewalls iptables vpn openvpn project-management agile-software-development requirements-analysis asp.net-mvc google-analytics eclipse bacula software-testing software-qa-testing 00 more less
    • $12.99 HOURLY RATE
    • 5.0
    • 159 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Linux Guru-Server Support/Server Specialist/Technology Consultant

    Over the last 6 years, I have worked on a wide range of Servers Operating System Administration and Configuration. My core competency lies in providing complete support of Server administration and User support, and I am seeking opportunities to provide … more

    Over the last 6 years, I have worked on a wide range of Servers Operating System Administration and Configuration. My core competency lies in providing complete support of Server administration and User support, and I am seeking opportunities to provide corporate support to utilize my skills and strength. I have good experience in the following Servers: Microsoft Windows Server 2000, 2003,2008 R2, Redhat Enterprise Linux, CENTOS 5.4, Fedora, Ubuntu, Oracle Enterprise Linux, OpenSUSE, OpenSolaris, MySQL, Microsoft SQL Server, etc SYSTEM ADMIN SKILLS (LINUX) - Install. Configure, Maintain Various Linux Destribution (Fedora, Redhat, Ubuntu, Ubuntu Server, CentOS, OpenSUSE. - Labtech working experience - ConnectWise working experience - VMware vSphere 4 / ESX 4 - VMware Virtual Datacenter configuration - VMware Expert. - SONICWALL Firewall Configuration - Administration Amazon EC2/S3 - ElasticFox Work experience - Plesk Server administration (Migration etc.) - Install and Configure IBM TSM Server 6.1 - Oracle E-business Suite Patching and Cloning - Backup and Restore Databases. - Install and COnfigure SSL certificates. - Managing and Administration of VPS servers. - Domain and Hosting Administration (Plesk, Cpanel, Webmin) - GamePanelX configuration (OpenSource Game Server Panel) - Install, Configure, Maintain MAC OS X. - Install, Configure, Maintain BIND Server - Install, Configure, Maintain DNS Server on windows server - Install, Configure, Maintain Webserver (Apache, IIS) - Install, Configure, Maintain FTP - Install, Configure, Maintain Mailservers (Exchange Server, Postfix, Dovecote, Sendmail, Qmail) - Install, Configure, Squid Server - Install, Configure, Maintain Linux based Firewall - Configure ISAPI Rewrite on II6 for User Friendly URL for SEO - Configure Rewrite mode on Apache Server. - Install, Configure, Maintain OpenLDAP. - Install, Configure, Maintain Active Directory. - Install, Configure, Maintain CMS. (Joomla, Wordpress) - Configure and Troubleshoot Pleask, Cpanel. - Configure and Troubleshoot IPTables. - Configure and Troubleshoot Samba server - Install, Configure and Maintain (MRTG, Cacti, PRTG) - Install and Configure Project management System - Deploy Helpdesk System. - Design Network Infrastructure. - Implement System and Network Security - Install, Configure and Maintain Antivirus Server (Trendmicro, Kaspersky) - Configure Bandwidth Splitting on Squid. - Implement and Design Virtualization (Hyper-V and Vmware) - LAMP Server Installation. - Ubuntu Kernel Panel Recovery - Amazon EC2 Instance Configuration - Backup and Restore Databases (SQL, MySQL) - SAN/RAID management - Open Source Firewall ADministration (pfSense, Zentyal/ebox, Endianfirewall) - SSL installation and configuration - Wordpress troubleshooting - CentOS VPS administration - Dedicate Server Management - WHM/Cpanel Administration - WHM/Plesk server security implementation - Domain Migration - Server Migration - IPtables Administration SYSTEM ADMIN SKILLS (MICROSOFT) - MCSE - MCSA (Preparation) - MCTIP (Preparation) - MS. SharePoint 2007, 2010 (Preparation) - MS. Exchange 2007, 2010 (Preparation) - SBS 2008 (Preparation) - MS SQL Administration - ISA 2004, 2006 and TMG (Preparation) - MICROSOFT PROJECTS -Deploy and Configure SBS 2003 -Deploy and configure SBS 2008 -Migrate SBS 2003 to SBS 2008 -Deploy and configure Active directory 2000, 2003 and 2008 -Migrate Active directory 2000 to 2003 and 2003 to 2008 -Deploy, Design and configure Exchange 2000, 2003, 2007 and 2010 -Migrate 2003 to 2003, 2003 to 2007, 2003 to 2010 and 2007 to 2010 (complete Migration) -Deploy, Design and configure SharePoint 2007 and 2010 - Migrate SharePoint 2007 to 2010 -Deploy, Design and configure ISA 2000, 2004, 2006 and TMG 2010 -Migrate ISA 2006 to TMG 2010 -Deploy and configure SQL 2000, 2005 and 2008 (Administration) -Deploy and configure WSUS server -Deploy and configure IISA 6 and IIS 7 -Deploy and configure Microsoft SCCM 2012 (on process) -Deploy and configure forefront Security antivirus 2010 -Deploy and configure LYCN 2010 SEO SKILL SEM/SEO Consultants, SEO Services, PPC, Friendly URL, keyword analysis and selection competitive site analysis keyword density analysis optimization of site content optimization of meta tags, page titles, and descriptions inbound and outbound link placement internal linking strategies site submission Website Design and Development. My MCP Virtual Business Card: https://www.mcpvirtualbusinesscard.com/VBCServer/DanishAhmed/interactivecard  less

    magento linux-system-administration windows-administration wordpress joomla windows-xp-administration rhce web-design website-development mail-server-implementation microsoft-outlook-development microsoft-hyper-v-server vmware-administration virtualization disaster-recovery oracle-database mysql apache-administration plesk cpanel whm security firewalls iptables dns dhcp project-management network-administration centos ubuntu fedora mac-os-app-development vmware-esx microsoft-exchange-server domain-migration activecollab data-backup network-security 00 more less
    • $30.00 HOURLY RATE
    • 4.8
    • 3043 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 18 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Linux Admin / Networking / VoIP / Scripting / Web development

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over … more

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics  less

    linux-system-administration ubuntu bash asterisk iptables network-planning network-security network-administration html5 javascript ruby ruby-on-rails tcp-ip git github nagios devops munin redmine ssl vpn openvpn postfix mail-server-implementation openvz haproxy amazon-ec2 virtualization freepbx 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 59 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Linux Server Administrator

    With Great power comes great responsibility" Over the last 6 years, I have Setup number of Server(unix based and mostly from scratch ) with java, php and ruby environment to host these codes . I am expert in virtual hosting server … more

    With Great power comes great responsibility" Over the last 6 years, I have Setup number of Server(unix based and mostly from scratch ) with java, php and ruby environment to host these codes . I am expert in virtual hosting server optimization (Linux, Apache, Mysql, PHP,) . I am using varnish, memcache, memcachedb, mod_deflate like technologies to improve the response time of website. On database, I have experience in MySQL, PostgreSQL and oracle and on Web-Servers with Apache, Ngnix , Apache-tomcat and J-boss. On media servers with FMS, Red5, Wowza media servers.  less

    asterisk apache-administration wowza-media-server nginx magento ffmpeg apache-tomcat opensuse subversion centos ubuntu samba squid ftp iptables varnish-cache redmine nagios ldap postgresql mysql mantis linux-system-administration svn red5 redis lamp-administration postfix mail-server-implementation smtp python django-framework spamassassin 00 more less
    • $20.00 HOURLY RATE
    • 4.2
    • 127 HOURS
    • INDIA
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
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