Iptables Freelancers

Showing 29 freelancers

Iptables Freelancers

Showing 29 freelancers

  • Senior system administrator and PHP - C - Perl developer

    Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load … more

    Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.  less

    linux-system-administration mysql php asterisk audio-mixing audio-editing html css perl varnish-cache firewalls security network-security ipsec openvpn iptables penetration-testing postfix load-balancing pci-compliance cpanel zimbra-administration voip-administration 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 774 HOURS
    • GREECE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 11 TESTS
  • 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
    • 4.8
    • 73 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 24 PORTFOLIO ITEMS
    • 4 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 Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk … more

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako  less

    plesk whm cpanel lamp-administration vicidial trixbox asterisk vpn security penetration-testing mail-server-implementation apache-administration mysql postfix openvpn linux-system-administration redmine firewalls exim spamassassin awk unix-shell dns ssh ssl ubuntu technical-support technical-writing technical-documentation virtualization vmware-administration bacula mediawiki network-security nagios unix-system-administration snmp operating-systems-development magento windows-administration squid haproxy dhcp moodle samba ldap clustering apache-tomcat amazon-ec2 amazon-web-services subversion iptables svn git redhat-administration bash-shell-scripting xen-hypervisor 00 more less
    • $16.67 HOURLY RATE
    • 4.8
    • 981 HOURS
    • INDIA
    • LAST ACTIVE
    • 14 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:
  • 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
    • 1632 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
  • FOSS Consultant

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I was wondering … more

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I was wondering if we could work together. I can offer my skills remotely. I am willing to work by project, part time or full time. My favorite time of day are evenings. I am a night owl and am happy to work on odd shifts. # Experience - CloudSigma: Recently. I was in charge of integrating their current software stack for the cloud. Basically KVM/Qemu hosts. - (xpert) creations: I was in charge of their LAMP servers; all successfully migrated from several ISPs into KVM/Qemu virtualized servers. - Tools Net: I was in charge of their infrastructure. Migrated from a very old VMWare installation into a KVM/Qemu setup. - Mexican Foodbank Association (AMBA): Was in charge of the infrastructure; including mail, dns and LAMP. - Fedora: I am, currently, a Fedora packager. - LinuxCabal: I started the PHP and Python groups. In charge of new projects for this non-for-profit organization. I'll synthesize a skillset for you and am happy to answer any queries or question regarding these subjects: # Basis - Systemd and SysV - Puppet - Bacula (automated backup system) # Networking and Security - DHCP and DNS (ISC of course) - iptables, firewalld, tcp wrappers, SELinux, etc # Virtualization - KVM/Qemu/Libvirt - OpenStack - GlusterFS, XtreemFS and Ceph # Web - NginX, Apache and Cherokee - MySQL/MariaDB and a little Postgress # Programming and scripting - Bash/Dash, Perl, PHP, Ruby and Python - C and C++ # Misc - Fedora Packaging (RPM) and repo generation I am happy to learn whatever is needed with a few exceptions: - Java - Oracle # Contact Data Rene "Renich" Bon Ciric Ignacio Ramírez #171 Villaseñor, 44600, Guadalajara, Jalisco, México # CV http://cv.woralelandia.com/ # References https://www.google.com/#q=renich  less

    linux-system-administration dhcp iptables kvm-virtualization fedora centos nginx apache-administration php ruby python bash bash-shell-scripting mysql virtualization firewalls security network-administration network-security computer-networking lamp-administration redhat-administration music-arrangement music-composition music-producer ableton-live propellerhead-reason avid-pro-tools sinatra-framwork bacula data-backup google-apps 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 48 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 3 TESTS
  • Professional in Linux/Unix/Vmware ESX/Cisco/MySQL

    Over the last 23 years, I have been involved with the professional IT environment. I had developed many networking infra-structure in various reputed organizations. Apart from these I have also set up a lot of DNS servers, Mail servers, Web … more

    Over the last 23 years, I have been involved with the professional IT environment. I had developed many networking infra-structure in various reputed organizations. Apart from these I have also set up a lot of DNS servers, Mail servers, Web servers, Proxy servers, Firewall/Gateway, VMware ESX and ESXi servers to the corporate offices. I have also a vast knowledge and working experience on Cisco Routers and Switches. Specially I have been working with TCP/IP, CISCO IOS, Backup and Restoring, RIP, EIGRP, OSPF, VLAN, VTP, ACL etc. Any sorts of networking problems must be solved with commitment.  less

    linux-system-administration cisco-routers unix-system-administration unix-shell computer-networking mysql mail-server-implementation dns firewalls tcp-ip iptables vmware-esx 00 more less
    • $24.44 HOURLY RATE
    • 5.0
    • 0 HOURS
    • CANADA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • Linux System Engineer(RHCSA-RHCE)-SBG-BTAM

    Senior network and system engineer with hands-on experience of +6 years in the fields of enterpeise networks,systems datacenters including IBM,HP,CISCO and juniper vendors.Seeking a position to immplement twin benefits of acquired experience and system savvy to effect superior technology solutions. Specialties: CISSP,RHCE,RHCSA,CCNP,CCNA,MCP

    rhce ccnp mcp linux-system-administration bash mysql samba postfix iptables dns 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SAUDI ARABIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
  • System/Network Engineer

    I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform … more

    I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform includes (but not limited to ) Microsoft, Cisco, VMware, Citrix, Linux, IBM, SAN, Veritas etc. Below are the services which i have been providing to the organizations Microsoft platform : Active directory on w2k/w2k3/w2k8. IIS 6/7 web server/application server/file server/ smtp component for relaying. Certificate services as PKI in w2k/w2k3/s2k8. Visual SVN as subversioning and repository. Exchange 2003/2007/2010 and MDaemon for messaging solutions. WSUS, RDS, Terminal Services, Hyper-V DNS, DHCP, RRAS, Network Policy services. IPSec services PPTP and L2TP VPN Server. Kernel Debugging with Microsoft Debugger and kd tools SQL server 2008 Database administration. VBscripting for standalone and Active Directory environment. Linux services: LDAP with and without samba server. Qmail, postfix, Exim and sendmail as message transfer agent. Dovecot and courier as IMAP and POP3 server. smtp-auth, spamassasin, SPF with linux MTAs. Apache as webserver, apache and git as version control server . ssh server with and without password (with certificates and passphrase). VNC , screen as terminal services. oracle, mysql and postgresql on linux/unix. IPsec site to site and ssl vpn using freeswan, openswan and racoon. linux as firewall gateway using bash/perl gateway along with iptables, psad, and snort. bandwidth shaping policing services using htb and tcng. Voice server based on sip with h.323 support based on asterisk (trixbox, elastix, go-autodial ) with vicidial. quagga/zebra as advanced routing solutions. squid 2/3 cpanel/whm Amanda/zamanda/Bakula/rsync for backup services TCP Wrappers for hardening linux security. ext3/ext4/JFS on linux. puppet as configuration management. clonezilla. Debugging linux problems with signal trapping using bash scripts Networking : OSPF,EIGRP,RIP,BGP routing on cisco, juniper and open source in linux. Acess lists on cisco routers and security appliances (pix/asa). static and Dynamic NAT on cisco, juniper and open source linux/unix. L3 routing in cisco switches. SCCP/SIP in cisco CME, and call manager. INter vlan routing, site to site vpn, PPP/HDLC wan protocols, route summarization, equal/non equal cost load balancing. server virtualization on openvz, proxmox VE, KVM, XEN, citrix, vmware etc. desktop virtualization using citrix xendesktop and vmware view. App virtualization using citrix xenapp and vmware thinapp. user virtualization using citrix profile unity and appsense environment manager. ISCSI and Fiber channel based storage. IBM infosphere guardium for database security and data compliance CA identity minder and site minder. ...  less

    windows-administration linux-system-administration cisco-asa cisco-routers asterisk cisco-pix apache-administration cpanel iis squid iptables qmail sendmail bash vbscript ibm-storage opensips trixbox openvz vmware-administration vmware-esx 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • NEPAL
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
loading