Iptables Freelancers

Showing 18 freelancers

Iptables Freelancers

Showing 18 freelancers

  • Linux/Windows System Administrator/DevOps

    Hi, I am Linux/Windows system administrator I have more than 5 years experience with things like: - Virtualization: VMWare ESX - Building web platforms: Apache, Nginx - Database servers: MySQL, PostgreSQL - Optimization high-loaded web services based on Apache, Nginx, MySQL - Telephony: Asterisk … more

    Hi, I am Linux/Windows system administrator I have more than 5 years experience with things like: - Virtualization: VMWare ESX - Building web platforms: Apache, Nginx - Database servers: MySQL, PostgreSQL - Optimization high-loaded web services based on Apache, Nginx, MySQL - Telephony: Asterisk, 3CX - Building High Availability systems: HA, drbd, haproxy, heartbeat - Network Administration: VPN, firewalls, building secure network architecture - Any kind of e-mail servers, DNS servers - Building automated configuration/deployment systems: Puppet - Windows Administration: Active Directory, MSSQL, Group Policies, Dynamics CRM - LDAP: OpenLDAP, ApacheDS - Continuous integration: maven, Jenkins/Hudson, TeamCity - Development: Java  less

    linux-system-administration virtualization vmware-administration asterisk ldap mysql postgresql apache-administration nginx iptables amazon-ec2 amazon-s3 amazon-web-services postfix dns unix-system-administration unix-shell microsoft-active-directory 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 97 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Professional Server Help (Linux Administrator)

    Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients … more

    Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients and their team is always my priority. I have been working with all the major providers: Rackspace, Amazon, Softlayer, Godaddy, Hostgator, Bluehost, Linode, DreamHost, Mediatemple, Lunarpages. Expertise in Linux Administration is as follows (but not limted to) Server Distributions: RedHat, Centos, Fedora, Debian, Ubuntu, Gentoo, Suse, Mandriva, Opensuse, Knoppix, Slackware. Web servers: Apache, Lighttpd, Nginx, Tomcat File servers: Proftpd, Pureftpd, Vsftpd, Sftpd, TFTP, NFS, Samba DNS servers: Bind9, MyDNS, NSD Mail servers: Postfix(TLS,SASL), Exim, Sendmail, Qmail, Dovecot, Courier. Logging services: Syslog, Rsyslog, Syslog-ng Proxy servers: Squid(forward and reverse proxy), nginx, pound, lighttpd. Firewalls: Iptable scripts and Advance Policies Firewall with bruteforce detection. Firewall configuration: NAT, IP Masquerade Jabber servers: Openfire, Ejabberd, Djabberd Database servers: MySQL, Postgresql Backup: Bacula, bash scripts. VPN: PPTP Virtualisation: Openvz/Virtuozzo, Xen, Qemu, KVM, VMware Server, Parallels Workstation, Virtualbox headless, HyperVM. Monitoring: Nagios, munin, zabbix, zenoss Automation: Puppet(fan), custom bash scripts. Revision control: Git(fan), Subversion Package management: yum, rpm, dpkg, aptitude, apt-get, emerge Security: Nessus, John The Ripper, Tiger, PGP, GPG, nmap, Openvas, Snort, Ettercap, arpwatch, SSH, SSL, TLS, TCP Wrappers, Ethereal, dsniff, tcpdump, portsentry, rkhunter, chkrootkit, clamav, SPF, Spamassassin, domain keys. Cloud computing: Amazon (EC2, EBS, S3, CloudWatch), Rackspace services. Assessment tools: sar, vmstat, iostat, mpstat, netstat, iptraf, iftop, lsof, ntop, serverstats Misc services: NTP, Cups, DHCP, Dnsmasq  less

    lamp-administration apache-administration linux-system-administration postfix whm iis unix-shell mysql vpn nagios munin ftp cpanel plesk nginx postgresql lighttpd subversion puppet-administration ssh iptables drupal wordpress domain-migration mail-server-implementation openvz virtualization redmine amazon-ec2 amazon-web-services amazon-s3 rackspace-cloudservers virtuoso bash exim firewalls ssl centos ubuntu security email-deliverability-consulting mailenable ffmpeg atlassian-jira python rhel 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 994 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
  • Systems Engineer

    Over the last 5 years, I have experience with a wide range of platforms like Linux, Windows and hardware devices using web, database, firewall, monitoring, mail, file servers, authentication services and so on. My core competency lies in complete management … more

    Over the last 5 years, I have experience with a wide range of platforms like Linux, Windows and hardware devices using web, database, firewall, monitoring, mail, file servers, authentication services and so on. My core competency lies in complete management of Linux/Unix based servers and cloud/visualization technologies and I am seeking opportunities to design/implement/manage IT support for you and your business. I also have core experience in the following areas: Hosting Control Panel(Plesk and WHM/cPanel, Onapp , SAN, scripting, backup solutions, security solutions, VPN, migration management, change management, VPS etc  less

    virtualization plesk whm cpanel vpn mail-server-implementation firewalls nagios whmcs domain-migration network-security samba windows-administration linux-system-administration unix-shell tcp-ip openvpn vmware-administration ubuntu iptables squid apache-administration mysql postfix exim qmail dns ftp administrative-support technical-support 00 more less
    • $22.22 HOURLY RATE
    • 4.4
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • 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 Systems Engineer

    Linux (redhat/centos)/Windows (2k3/2k8) Server Configuration, Administration, Management, and troubleshooting Single & Multiple internal/intranet based LAMP Stack setups, configurations and administration LAMP Stack support - Single & Multiple setups Single LAMP Stack configuration with Linux(Centos/redhat), Apache, Mysql, and … more

    Linux (redhat/centos)/Windows (2k3/2k8) Server Configuration, Administration, Management, and troubleshooting Single & Multiple internal/intranet based LAMP Stack setups, configurations and administration LAMP Stack support - Single & Multiple setups Single LAMP Stack configuration with Linux(Centos/redhat), Apache, Mysql, and PHP Multi-Stack configurations of Linux(Centos/redhat), Apache, HA mysql setups and PHP Setup, troubleshooting, management of Citrix XenServer and VMware Servers. Install/Setup & Configuration Management & Troubleshooting Technical Support Handling Tickets tier 3 tickets & Phone support Backups and Providing Custom Backup Solutions Backups via Disk & Tape PowerAdmin/PowerDNS DNS Management Cisco ASA 55XX Adding/Removing ACLS Object Groups Project Management OpenNMS and SolarWinds Monitoring Services for WAN/LAN devices Implementation Test & Review Documentation & Support Service Control Review & Implementation Escalation Procedural summarization Writing and Reviewing Domain Security Control Sheets Policy Management and Overview Technical Writing Ticketing & Monitoring Policy Creation and Overview Acknowledgement Policies & Change Management Policies SLA Creation, Overview and Auditing Escalation Procedures Change-Management Documentation and Implementation Business Continuity Planning (BCP) & Disaster Recovery Planning (DRP) Documentation, training, and overview Executive Summary, Critical Process/Services Prioritization, Risk Mitigations & Cost Summarization Log Analysis Building new servers, configurations, setup, and installs: IIS 6 & IIS 7, Active Directory Apache SSL Cert Installs VERITAS Backups SQL 2k5/2k8 installation (Mirror Failover setup & support) Postfix SolarWinds & OpenNMS Monitoring Services Setup, troubleshooting, management of Citrix Applications and VMware Servers. Install & Configuration Management & Troubleshooting New server configurations, setup, and installs: IIS Apache Tomcat cPanel/WHM Plesk SSL Cert Installs Symantec Backup Exec 11d Backup Assist v.4 VERITAS Exchange 2k3/2k7 SQL 2k5/2k8 Bacula Qmail Postfix Vpopmail Spamassassin Simscan ClamAV Nagios  less

    centos virtualization vmware-administration iptables openvz apache-administration disaster-recovery data-backup policy-writing 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 5 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Windows and Linux Server / Network Administrator with Cloud Experience

    Hello, I'm a system and network administrator with more than 7 - year experience. I have extensive server and database knowledge, and excellent troubleshooting & analysis abilities. Strong leadership and communication skills. Last 7 years I have engaged in system administration … more

    Hello, I'm a system and network administrator with more than 7 - year experience. I have extensive server and database knowledge, and excellent troubleshooting & analysis abilities. Strong leadership and communication skills. Last 7 years I have engaged in system administration using Apache2, Nginx, PHP, Ruby, Python, MySQL and PostgreSQL including sites for startup companies and small businesses. Extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities help you to build your business. For the last 7 years I have been handling systems administration using Apache2, Nginx, PHP, Perl, Python, MySQL and PostgreSQL, including websites for start-up companies and for small businesses. I possess extensive experience in the deployment of websites and with projects of vast complexity, and I am seeking new opportunities. I will do my best to help you build your business. I have great experience in: ✔ Linux maintenance/troubleshooting: Debian, CentOS, Ubuntu, RHEL (Red Hat), Gentoo, ✔ Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, Lighttpd, LiteStep, MySQL, PostgreSQL, MongoDB, Redis, Varnish, Memcached, ✔ Linux serverside: iptables, rsync, fail2ban, bind, OpenVPN, ✔ Mail server: Exim, Postfix, Sendmail, Dovecot, Courier, ✔ CloudHosting: Digitalocean, RackSpace, Amazon (e.g. EC2, AWS, S3), Linode, GoDaddy, ✔ Hosting providers: Softlayer, Hetzner, ✔ Backup/Migration, ✔ Hosting panels: Plesk, WHM\cPanel, ISP, DirectAdmin, Virtualmin, ✔ Virtualization: Xen, KVM, OpenVZ, Proxmox, ✔ Monitoring: Zabbix, Munin, Cacti, Nagios, OpManager, ✔ High-Ability: Linux-HA (Heartbeat, Peacemaker), ✔ CMS: Wordpress, Drupal, Magento, Joomla, Prestashop My motto: Dependability and quality of service. Best regards, Pawel  less

    plesk cpanel whm postgresql php mysql fedora ubuntu computer-networking network-administration database-management database-administration linux-system-administration lamp-administration amazon-ec2 ssh ftp wordpress google-analytics iptables sendmail qmail postfix nginx lighttpd apache-administration css ajax html dns affiliate-marketing msn-adcenter sem mail-server-implementation bash windows-administration centos windows-xp-administration google-apps manual-testing software-testing user-acceptance-testing black-box-testing performance-testing functional-testing penetration-testing database-testing regression-testing load-testing usability-testing test-driven-development ab-testing automated-testing google-adsense administrative-support trac subversion github memcached openvpn bgp amazon-web-services rackspace-cloudservers amazon-s3 amazon-rds nagios munin cisco-routers cisco-voip 00 more less
    • $50.00 HOURLY RATE
    • 4.7
    • 216 HOURS
    • POLAND
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 19 TESTS
    GROUPS:
  • Network & Systems Administrator

    I have a years experience in the PC/LAN/WAN and Systems/Network Administration environments. It includes regularly monitoring and maintaining 99.9% uptime of respective servers/Cisco routers. Manage Linux/Windows servers hosting services such as Mail, Web, DNS … more

    I have a years experience in the PC/LAN/WAN and Systems/Network Administration environments. It includes regularly monitoring and maintaining 99.9% uptime of respective servers/Cisco routers. Manage Linux/Windows servers hosting services such as Mail, Web, DNS, and Proxy etc. Implement and manage reliable network monitoring system. Implement and audit security measures on respective Servers/Network. Develop and upgrade automated system management scripts when required. Install, configure, troubleshoot and support premium customer servers, WAN & Data connectivity and VPN Networks.  less

    windows-administration linux-system-administration dhcp squid dns lotus-domino microsoft-exchange-server centos vmware-esx iptables cisco-routers cisco-ios lotus-notes snmp 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 50 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • System administrator (Linux/Unix)

    OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD 6.x, 7.x, 8x Software: Apache, nginx, Squid, dhcpd, Bind, OpenLDAP, OpenVPN, mpd, pf, iptables, Postfix, Dovecot, Samba, pure-fptd, vsftpd, Subversion, Puppet, LVS (ldirecord), Heartbeat, Pacemaker/Corosync, Bacula, Zabbix, MySQL, PostgreSQL … more

    OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD 6.x, 7.x, 8x Software: Apache, nginx, Squid, dhcpd, Bind, OpenLDAP, OpenVPN, mpd, pf, iptables, Postfix, Dovecot, Samba, pure-fptd, vsftpd, Subversion, Puppet, LVS (ldirecord), Heartbeat, Pacemaker/Corosync, Bacula, Zabbix, MySQL, PostgreSQL, PgPool, VMware ESXi/ESX, KVM, OpenVZ Programming languages: Shell/Bash; Basic knowledge Perl, PHP, Ruby, SQL Package creation/maintanace: RPM, DEB  less

    linux-system-administration nginx apache-administration mysql puppet-administration rhel openvpn iptables postfix zabbix openvz kvm-virtualization bash-shell-scripting clustering virtualization 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 2 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • PHP Developer

    I`m a programmer with five years of experience in software development. I have created a wide range of websites using PHP, JavaScript and MySQL including one's for start up companies like social portals,content management systems and small … more

    I`m a programmer with five years of experience in software development. I have created a wide range of websites using PHP, JavaScript and MySQL including one's for start up companies like social portals,content management systems and small businesses especially dealing with INTRANET & EXTRANET. I also have gained considerable experience in the following: PHP, SQL, Ajax, OOP, MemCached, Linux. Most of my projects were created using Agile / Scrum methodology in short iterations (2 weeks). I am always open to furthering my programming skills and learning about new frameworks, API's and other tools In essence, I provide high quality code, perfect feedback and above all value the client's needs and requirements.  less

    php jquery ajax zend-framework website-development svn bash linux-system-administration memcached scrum agile-software-development crm custom-cms twitter-api facebook-api wordpress google-gadgets-api google-maps-api youtube-api seo project-management css xhtml asp.net-mvc paypal-integration uml xml iptables network-security 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 4231 HOURS
    • POLAND
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
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