Iptables Freelancers

Showing 43 freelancers

Iptables Freelancers

Showing 43 freelancers

  • Server and Network Administration Specialist

    I have been working in Linux and Cisco platforms since 2009. Achieved my RHCE and CCNA certifications. I am currently working towards CCNP. Currently, I'm working in the Data Network of an International Internet Gateway. I have also worked … more

    I have been working in Linux and Cisco platforms since 2009. Achieved my RHCE and CCNA certifications. I am currently working towards CCNP. Currently, I'm working in the Data Network of an International Internet Gateway. I have also worked as a System Admin in a University and managed Servers that provided services for more than 500 hosts. I have worked in one of the largest ISPs in Bangladesh. I have deployed Linux Servers for many organizations and troubleshooted many Server related issues during my work in the ISP.  less

    linux-system-administration cisco-ios nagios iptables clustering samba ospf cisco-routers asterisk postfix 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 22 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 30 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Server Administrator, Apache, Nginx, cPanel, WHM, Plesk, Linode, AWS

    I am Renju Sebastian, I am a Linux Server Administrator with more than 3 years of experience. I have worked for many hosting companies around the world during the last 3 years. I can handle L1 L2 and L3 issues … more

    I am Renju Sebastian, I am a Linux Server Administrator with more than 3 years of experience. I have worked for many hosting companies around the world during the last 3 years. I can handle L1 L2 and L3 issues. In my previous companies my responsibilities includes Server setup, Server Hardening, Server auditing, Server migration, Server monitoring(nagios), Ticket resolving ( Expeence in WHMCS ticketing system and Kayako ticketing system ), Chat support. I have also worked with servers without any hosting control panels. Over the last 2 years, We have developed a wide range of websites also using HMTL, PHP, and MySQL including sites for Hospitals and companies. I am seeking opportunities related to Server Administration and Web Designing.  less

    linux-system-administration apache-administration cpanel centos iptables nginx plesk mail-server-implementation php wordpress web-design joomla 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 43 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
    ASSOCIATED WITH:
  • Linux System Admin, Tech Hosting Support, cPanel/WHM Specialist

    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 … more

    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.  less

    network-administration linux-system-administration cpanel whm plesk chat-support email-technical-support arabic whmcs amazon-ec2 amazon-s3 amazon-web-services centos apache-administration security exim iptables fedora mail-server-implementation 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 1529 HOURS
    • EGYPT
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • +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, 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:
  • 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, Cisco administrator

    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 … more

    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  less

    whm cpanel cisco-routers linux-system-administration virtualization php apache-administration postfix exim dns sql oracle-database squid network-administration centos basic solaris-administration ubuntu plesk oracle-pl/sql rackspace-cloudservers vpn openvpn iptables bgp ospf amazon-s3 amazon-web-services clamav amazon-ec2 spamassassin postgresql wordpress unix-system-administration unix-shell ksh-korn-shell tcp-ip bash firewalls cisco-ios cisco-voip asterisk dhcp computer-networking sendmail qmail nagios drupal xml weblogic varnish-cache magento 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 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
    • $50.00 HOURLY RATE
    • 5.0
    • 1321 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
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