Vasilios T.

Network Services: -------------------------- Vmware ESXi 4.x, 5.x. VCenter VCloud Director Email Services (Qmail, Postfix) Radius Security Protocols EAP/TLS/PEAP/PAP/MS Chap v2 Openldap Management Apache / Ngix / Mini_httpd / Boa / Lighttpd Web Servers DNS Bind 8.x / 9.x Management BSD / Solaris / HP-UX Operating Systems Mysql, Oracle, Postgresql Database Servers TCP/IP Security Protocols TCP/IP Dynamic Routing Protocols High Availability Systems & Load balancing Open Source High-Availability Software for Linux (Linux-HA) Red Hat Cluster Suite VoIP Services Administration (OpenSIPs, Asterisk, SIP, IAX, H323, OpenH323, Skinny) Excellent knowledge of SIP protocol (RFC 3261,3265 etc...) ADSL / ATM & Network Protocols & QoS Mikrotik Wired & Wireless Network Design & Implementation Cisco Routers / Switches Network Configuration skills Cisco IPS & Access lists IPTables Firewall & QoS PF Firewall & QoS VPN Services using Cisco VPN & OpenVPN Linux Intrusion Detection System (IDS) using Snort, Shadow, and ACID IPv6 Protocol & Routing Techniques Programming Skills: ----------------------------- C, C++ Perl PHP Visual Basic Bash Scripting Embbeded Systems: ------------------------------ Scratchbox Busybox Buildroot Openembedded Embedded OS: ---------------------- Mikrotik 3.x / 4.x / 5.x Pfsense Freenas Atmel Linux for AVR32 Specialties: 1. Unix / Linux / BSD Systems Administration & Network security 2. Porting Linux to everywhere