Iptables Freelancers

Showing 54 freelancers

Iptables Freelancers

Showing 54 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
    • 99 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Expert Linux administrator, Devops

    My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD and Windows Server - proficient Cloud services: AWS, Rackspace SCM: Puppet, Ansible Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql … more

    My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD and Windows Server - proficient Cloud services: AWS, Rackspace SCM: Puppet, Ansible Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Atlassian: Jira, Confluence, Crowd, etc - the whole suite Monitoring: Nagios, Groundwork, Zabbix, Monit, Munin, Cacti Virtualization: Openvz, Vmware esxi/server, Proxmox Mail servers: Zimbra, Exim, Sendmail, Dovecot Backups: Bacula High availability: Corosync/Pacemaker, DRBD Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding).  less

    openvz apache-administration nginx atlassian-jira mysql bash lamp-administration linux-system-administration postgresql virtualization amazon-web-services amazon-ec2 amazon-s3 nagios exim mail-server-implementation centos iptables haproxy bash-shell-scripting zimbra-administration atlassian-confluence 00 more less
    • $77.78 HOURLY RATE
    • 4.9
    • 1866 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • 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
    • 4659 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • Senior Database Administrator / Developer OCP,MCDBA,MySQL,RHCT

    > 6+ years of experience in Oracle / MySQL / MS SQL DBA, Development and Database Architecture > Managing Very Large OLTP Databases (>3.2 TB) > Oracle (OCP) and RedHat Certified (RHCT) > Experience on installation different versions of Oracle/MySQL dedicate servers on Linux … more

    > 6+ years of experience in Oracle / MySQL / MS SQL DBA, Development and Database Architecture > Managing Very Large OLTP Databases (>3.2 TB) > Oracle (OCP) and RedHat Certified (RHCT) > Experience on installation different versions of Oracle/MySQL dedicate servers on Linux, Solaris, IBM AIX, HP-UX and Windows 2008/2003/2000 and tuned server level configuration parameters based on application behavior. > Expert-level knowledge in designing, implementing, and managing database systems for heavy-traffic transactions > Experience in optimizing a poorly designed and badly indexed schema of high traffic web applications and improved performance up to 600%. > Excellent knowledge and hands on experience of Optimizing Oracle/MySQL/MSSQL server settings on General Tuning > Expert Knowledge of Oracle Clustering (RAC), DataGaurd , Replication, Partioning, Golden Gate etc. > Experience in Production Oracle (RAC with 4 Node Cluseter) and MySQL (Cluster setup with two node. > Expert-level knowledge in Oracle/ MySQL/ MSSQL logical Architecture, Concurrency control, Transactions(ACID), Multi-version Concurrency Control and MySQL Storage Engines. > Experience on Normalization, De-normalization, Database modeling and ER diagrams > Excellent knowledge and solid experience in PL/SQL code Query Tuning and Optimization, Restructure quires and Query optimizer hints > Excellent knowledge and hands on experience in SQL and PL/SQL coding and optimizing in Oracle and Mysql servers. > Excellent knowledge and solid experience in Oracle/ MySQL/ MSSQL Architecture and Database Design > Good at coding, debugging and writing Stored Procedures, Functions, Triggers and Views by maintaining the standards to meet organization requirements and customer expectations. > Expert-level Oracle/MySQL/MSSQL high availability skills with Master:Slave, Master:Master, Master and Multiple Slaves, Master-Master in Active-Active Mode, replication troubleshooting and Replication failover alerts on heavy load application. > Excellent knowledge in creating new databases and users, Administrating security levels Privileges, setup schedule backups and failover alerts, Import and Export backups, crash recovery, using mysql utilities, data encryption and monitoring scripts. > Good at troubleshooting for technical problems and understanding the system. > Good scripting/programming skills bash Shell and PHP. > Experience in Linux & Solaris administration skills > Excellent Knowledge in Shell Scripting and configure for Backup failover alert, Replication failover alert, replication lagging alert, daily top 10 slowest query alert , Dead lock alert and other monitoring alerts. > Excellent knowledge and hands on experience in Migrating from other RDBMS MySQL to Oracle using Oracle SQL Developer. > Good at relational Databases design using MySQL 5.0, 5.1, 5.5 , Oracle 10g,11g and MS SQL 2005/ 2008/ 2012. > Experience on recovering lost/corrupted data from InnoDB tables. Knowledge in database architecture concepts as well as vendor-specific implementations > Excellent Time management skills for handling multiple projects. Active team player and a self-starter, capable of working independently. Intense desire to create new and innovative solutions > Ability to work independently on large projects. > Excellent communication skills written and verbal.  less

    database-administration linux-system-administration oracle-database mysql microsoft-sql-server-administration oracle-pl/sql unix-shell data-backup oracle-rac oracle-application-server apache-administration phpmyadmin oracle-forms oracle-reports stored-procedure-development oracle-apex dns dhcp iptables openvpn php phpbb sendmail squid 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 460 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • Linux Admin / Freelaner SystemAdmin /AWS Ec2/ Nginx /WordPress/Magento

    I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. With such experience, I have expert at LEMP and LAMP system, very good at speeding up servers and … more

    I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. With such experience, I have expert at LEMP and LAMP system, very good at speeding up servers and sites. I am I am also working at oDesk and Freelancer. If you need references, please don't hesitate to contact me. If you need to verify, please don't hesitate to contact me. I am very experienced with * Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server), * Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, vserver), * Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump), * Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting), * Caching ( apc/xcache/memcached/varnish/nginx) * 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, munin), * Hosting Ccontrol Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). * Mobile Application (Android / iOS / Windows Phone) I am also working at Elance and Freelancer. If you need refer, please don't hesitate to contact me. Thanks! Some of my projects: I. AWS EC2 & S3: 1. Project Name: Setup Amazon AWS (EC2 and S3) and Optimize Magento Speed 2. Project Name: Amazon bucket setup II. RackSpace Projects: 1. Project Name: Rackspace Server Admin - Need a few things done 2. Project Name: server config and template install w/ visa/paypal III. MySQL/Apache/.htaces Optimization: 1. Project Name: Apache / htaccess expert 2. Project Name: Sql optimization 3.Project Name: Mysql server admin expert to tweak, optimize, fix DB  less

    linux-system-administration database-administration amazon-ec2 rackspace-cloudservers nginx varnish-cache memcached apache-administration mail-server-implementation network-administration openvpn subversion iptables whm cpanel plesk postfix exim ubuntu centos fedora squid bash security dhcp mysql virtualization amazon-web-services amazon-s3 unix-shell wordpress magento joomla 00 more less
    • $27.78 HOURLY RATE
    • 4.7
    • 882 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 5 TESTS
  • Cloud Systems Architect, Amazon AWS expert, Linux Admin

    I'm experienced Linux Server Administrator (over 9 years) , cloud based platforms administrator (mostly on Amazon aws, Elastichost services, Rackspace, GoDaddy, Dreamhost). I'm also Software Engineer with master degree (Computer science/Software engineering). Projects developement manager. My experience: Projects … more

    I'm experienced Linux Server Administrator (over 9 years) , cloud based platforms administrator (mostly on Amazon aws, Elastichost services, Rackspace, GoDaddy, Dreamhost). I'm also Software Engineer with master degree (Computer science/Software engineering). Projects developement manager. My experience: Projects on Cloud IaaS providers management Linux based servers solutions Amazon AWS cloud solutions Migrations to Amazon AWS platform PaaS platform (RedHat OpenShift) System tasks: CentOS, RedHat, Fedora (administration, configuration, backup solutions, audit, optimization, benchmarking) Amazon AWS - running projects on EC2, RDS, VPC, SimpleDB, S3, CloudFront, Route 53 dns, ELB, AutoScaling, CloudWatch, ElastiCache, IAM, SES, SNS services. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, security maintenance. Backup solutions - Centralized Backup Server With Amanda, Tarsnap service, backups on Amazon AWS, AWS EBS snapshoting scripts. VMware (VCP certified) - vSphere ESX servers, vCenter servers, VMware View infrastructure administrator Webhosting, LAMP stack Experience with HPC clusters, HPC management software for Linux systems including multiple Linux operating systems, linking and building libraries Development, testing, stageing environments installation,preparation for production/developement process (svn, git, jenkins, bash scripts, phing) Experience with scripting language such as PHP, JS, Bash-Scripting, NodeJS env Cloud SaaS services: goolge apps, owncloud Atlassian software installation, setup (jira, confluence) Wordpress, Drupal installations CloudFront solutions for wordpress, drupal CloudFront streaming service for audio/video S3 and CloudFront for static/dynamic sites  less

    vmware-administration amazon-web-services amazon-ec2 amazon-s3 virtualization centos linux-system-administration database-administration amazon-rds iptables git unix-system-administration apache-administration apache-tomcat apache-ant cakephp security clustering bash data-backup svn tortoise-svn sendmail project-management jenkins rightscale wordpress video-streaming load-balancing fedora redhat-administration dns bash-shell-scripting 00 more less
    • $16.67 HOURLY RATE
    • 4.7
    • 65 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Linux System Admin - DevOps - PHP - Drupal 6/7 Expert.

    + Linux : Apache | MySQL | PHP (LAMP) | MySQL Cluster | Rsync | IRC | vtigerCRM | SugarCRM | Squid | PostFix | Subversion | EC2 | S3 | RDS | Route 53 AWS. + Linux: Iptables | Samba | FTP Server | Crontab | Cacti | Citadel | Webcit | Roundcube. (Backup & Recovery Website). + Windows: Server 2003 | 2008 | 2008 R2 | IIS … more

    + Linux : Apache | MySQL | PHP (LAMP) | MySQL Cluster | Rsync | IRC | vtigerCRM | SugarCRM | Squid | PostFix | Subversion | EC2 | S3 | RDS | Route 53 AWS. + Linux: Iptables | Samba | FTP Server | Crontab | Cacti | Citadel | Webcit | Roundcube. (Backup & Recovery Website). + Windows: Server 2003 | 2008 | 2008 R2 | IIS Web service | SQL Server 2005 | GFI Server Monitor | PRTG | Whats Up Gold. + Cisco: C6509 | C3750 | C2960 | C2950 | R3640 | R2921 | R2800 | R2600 | ASA 5520 | + Juniper: J6350 | EX 4200 | SRX 210 | 240 | Vyatta + Drupal / Wordpress / Joomla / Magento CMS Administrator.  less

    apache-administration mysql cisco-ios cisco-routers amazon-ec2 amazon-s3 amazon-web-services juniper-routers centos fedora ubuntu iptables unix-shell tcp-ip bgp firewalls cisco-asa postfix samba mail-server-implementation whm cpanel ftp email-technical-support lamp-administration unix-system-administration drupal linux-system-administration whmcs phpmyadmin plesk cisco-voip amazon-rds 00 more less
    • $15.56 HOURLY RATE
    • 4.5
    • 47 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 13 TESTS
  • 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
    • $22.22 HOURLY RATE
    • 4.8
    • 1220 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
    GROUPS:
    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
    • 996 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
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