Iptables Freelancers

Showing 6 freelancers

Iptables Freelancers

Showing 6 freelancers

  • Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    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 … more

    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. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD. 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. 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, VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, 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. Continuous integration (CI) and Automated configurations with: Puppet, Capistrano, GIT and Fabric. Jenkins + github, Jenkins + nginx... 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). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.  less

    network-security amazon-ec2 nginx linux-system-administration penetration-testing apache-administration jboss ubuntu virtualization samba security bash mysql amazon-rds amazon-web-services nagios rackspace-cloudservers clustering iptables centos git apache-tomcat unix-system-administration varnish-cache django-framework 00 more less
    • $24.99 HOURLY RATE
    • 4.9
    • 4666 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • AWS Admin/Architect

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high … more

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high tech companies across the globe. If it is configuring routers or switches. Working in the Cloud with Amazon, Rackspace Etc. Linux, Windows or anything in between then I am your man.  less

    computer-networking wan amazon-ec2 network-administration network-planning network-security cisco-routers cisco-ios load-balancing security squid iptables memcached firewalls ubuntu amazon-web-services amazon-s3 virtualization microsoft-hyper-v vmware-esx vmware-administration ldap samba mac-os-app-development openvpn vpn linux-system-administration 00 more less
    • $44.44 HOURLY RATE
    • 4.9
    • 1640 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
  • 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
    • 1396 HOURS
    • EGYPT
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • 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
    • 1014 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
  • Systems Administrator; Windows,Linux,Cisco,Asterisk,VMware,Security

    Systems Admin; Windows,Linux,Cisco,Asterisk,VMware,Security I have extensive experience in deploying, configuring and troubleshooting production; Windows Servers 3+ years, Linux Servers 4+ years, Cisco routers 2+ years, VMware ESX/ESXi 1+ years, Oracle Virtualbox headless 1+ years … more

    Systems Admin; Windows,Linux,Cisco,Asterisk,VMware,Security I have extensive experience in deploying, configuring and troubleshooting production; Windows Servers 3+ years, Linux Servers 4+ years, Cisco routers 2+ years, VMware ESX/ESXi 1+ years, Oracle Virtualbox headless 1+ years. Windows Servers– 2003, 2008, 2008R2, SBS2008, SBS2011 Windows Applications – Active Directory, Exchange, Group Policy, Terminal Services (RDS), RDP, VPN, MSSQL, Firewall, WSUS, Tomcat, FTP, SMB/CIFS, SSL/TLS certs, AV Server, NTP, DNS Linux/Unix Servers – Centos5/6, Scientific, Clearos, Pfsense, VMware ESXi, Debian (not production), Ubuntu (not production) Linux/Unix Applications – Apache, Tomcat, LDAP, Samba, Openfire, Asterisk/VOIP, FTP, VPN, Postfix, Horde, Proxy, soft RAID, MySQL, Redmine, Cpanel WHM, BIND, openssl, IPtables, Fail2ban, Curl, Snort, openSSH, VLAN, TFTP, OpenVAS, Nmap, Truecrypt Cisco Routers – 1800 Series (1841 etc) Cisco Applications – NAT, PAT, QoS, ACL, SSH, VLAN VOIP IP phones – Polycom, Cisco, Linksys, Yealink, Grandstream Monitoring Applications – GFI MAX, Solar Winds Backup Applications – Veeam, Norton Ghost, Backup Assist, iDrive, Allwaysync Some of the tools i use: RDP, putty, openssh, openpgp, telnet, secureCRT, SDM, scp, winscp, wireshark, tcp dump, teamviewer, logmein, openvpn I enjoy problem solving tough issues and crave challenging roles to apply my persistent (don't give up) attitude. I get immense satisfaction upon solving difficult problems. I continue to seek new knowledge in all things hardware and software related but particularly in voip, virtualization, security, networking and backup/DR.  less

    windows-administration network-administration linux-system-administration software-debugging firewalls iptables security asterisk sip vmware-esx virtualization technical-support ssl vpn openvpn pfsense snort mail-server-implementation microsoft-exchange-server cisco-ios dns ldap penetration-testing telephone-skills microsoft-small-business-server-administration data-backup disaster-recovery ui-design windows-xp-administration microsoft-outlook-development open-office whm windows-nt-administration xmpp 00 more less
    • $21.11 HOURLY RATE
    • 5.0
    • 1683 HOURS
    • THAILAND
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 19 TESTS
  • Responsible PHP/MySQL/HTML/CSS/JS developer, Linux administrator

    I have about 8 years experience with PHP+MySQL programming on different platforms. As usual I develop CMS websites from scratch or update static HTML sites to full-functional Web products. I have skills in graphic desing, web design, logo and … more

    I have about 8 years experience with PHP+MySQL programming on different platforms. As usual I develop CMS websites from scratch or update static HTML sites to full-functional Web products. I have skills in graphic desing, web design, logo and visit cards design, etc. I have mobile development skills too. I develop mobile applications using PhoneGap. Also I'm skilled in Linux system administration and security audit. I'm clever with Red Hat based distros and Debian-liked.  less

    php mysql css html web-design phonegap javascript codeigniter zend-framework adobe-photoshop android-app-development ios-development blackberry-app-development windows-phone-7-development jquery jquery-mobile ajax facebook-api twitter-api twitter-bootstrap linux-system-administration windows-administration on-page-optimization oscommerce wordpress asp.net-mvc agile-software-development scrum memcached bash unix-shell mac-os-app-development code-refactoring paypal-api paypal-integration payment-processing payment-gateway-integration security network-security firewalls iptables kohana joomla html5 sql centos ubuntu 00 more less
    • $26.67 HOURLY RATE
    • 4.9
    • 5003 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 12 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
    ASSOCIATED WITH:
loading