CV Name: Vasil Sashkov Kolev E-mail: vasil@ludost.net PGP key id (availiable on pgp.mit.edu ): 36AC3365 PGP key fingerprint: 16CC A64A 616D F58C EC72 CD47 A1D1 9D82 36AC 3365 Home page: http://vasil.ludost.net/ Formal education: 1999-2004 - Sofia University, Faculty of Mathematics and Informatics; major: Informatics, no academic degree 1994-1999 - High School Of Mathematics and Natural Sciences 'Ivan Vazov' - Dobrich Occupations: September 2009-present - System Administrator at Lemuria Communications December 2005-May 2010 - System Administrator at Securax BVBA 2005 - Lecturer at Technical University - Sofia, Linux for beginners course October 2004-present - VP of technology and member of the board of Information SECurity Association (ISECA) October 2003-June 2008 - Lecturer at Faculty of Mathematics and Informatics, Network Security course November 2003-present - Freelance consultant November 2001-November 2003 - CTO, Project manager, System administrator at Ancient Media LtD ( http://www.ancientmedia.com/ ) October 1999-November 2001 - System and network administrator at Ancient Media LtD ( http://www.ancientmedia.com/ ) February 1996-September 1999 - System and network administrator at Dobrich.NET ( http://www.dobrich.net/ ) Professional skills: Areas of expertise: System and Network Administration, Software Development, Database Design and Development, Database Tuning and Optimization System and Network Security, Software and Hardware Support, Team management, Hostmaster, Problem Solving, Debugging Programming languages: Programming knowledge: C - since 1999, regular use SQL - since 1999, regular use shell scripting (sh) - since 1997, daily use php - since 2007 C++ - 2 years Pascal - 6 years Reading knowlegde: Perl, Java, PLPGSQL, Python, ix86 assembly OS knowledge: Linux - since 1996, regular use FreeBSD - since 2002, regular use Windows (95,98, NT4, 2000,XP) - 4 years DOS - 7 years Software knowledge: Asterisk - 3 years OpenSIPS - 1 year Squid, ISC dhcpd, bind, etc. - 9 years Postgres, mysql - 6 years Nagios - 6 years postfix, sendmail, spamassassin, apache, openvpn, courier-mta, mailman, bacula, samba, ntpd, heartbeat, drbd - 6 years Cisco IOS and BGP routing - 2 years Certificates: Linux Professionals Institute - LPIC1 (expired) Linux Professionals Institute - LPIC2 (expired) Digium certified Asterisk professional (dCAP), #1324 Novell Certitied System Administrator Teaching/presenting expertise: Lecture at Astricon 2008 - 'Measuring voice quality in VoIP systems", http://www.attractel.com/astricon2008.tgz Lecture at OpenFest 2007 - 'VoIP - problems and advantages', http://vasil.ludost.net/pisaniq/voip.odp Lecture at OpenFest 2006 - 'Dirty little hacks', http://vasil.ludost.net/pisaniq/openfest2006.odp Lecture at Linux user group - Bulgaria Seminar 2005 - 'Network security course at Sofia University' http://vasil.ludost.net/pisaniq/lug2005-netsec.sxi http://ludost.net/ls2k5/Day1_Video/02_Vasil_Kolev-NetSec.avi Lecture at Linux-BG Seminar 2005-4 - 'Making live video feeds with Free (Libre) Software' Lecture at Linux-BG Seminar 2005-2 - 'marla.ludost.net - the project' Lecture at OpenFest 2004 - 'High Availability with Free (Libre) Software' http://vasil.ludost.net/pisaniq/HA-oss.sxi http://openfest.org/archive/2004/videos/Day1/Vasil_Kolev.avi Lecture at Linux user group - Bulgaria Seminar 2004 - 'Problems with the system and network administration in Bulgaria', http://vasil.ludost.net/pisaniq/ls2004paper.pdf , http://ludost.net/ls2k4/04-a-Vasil-Kolev.MP3 , http://ludost.net/ls2k4/04-b-Vasil-Kolev.MP3 Lecturer in "System & network administration - case studies" course in Sofia University, Faculty of Mathematics and Informatics, 2008 summer semester Lecturer in "Network security auditing" course in Sofia University, Faculty of Mathematics and Informatics, 2006 summer semester Lecturer in "Network Security" course in Sofia University, Faculty of Mathematics and Informatics, 2002-2003 winter semester, 2003-2004 winter & summer semester, 2004-2005 winter semester, 2006 summer semester, 2007 summer semester, 2010 winter semester Lecturer in "Linux for beginners" course in Technical University - Sofia, 2004-2005 summer semmester Lecture at Linux user group - Bulgaria Seminar 2002 - 'Thttpd, and other high-performance web servers' Lecture at Linux user group - Bulgaria Seminar 2002 - 'Linux traffic control' Lecture at Linux user group - Bulgaria Seminar 2001 - 'Performance and models of operation of differeng web servers' Lecture at Linux user group - Bulgaria Seminar 2000 - 'Basics of Linux security' Projects: Software: 2009-2010 - SIP messaging/presence service (sip.zoiper.com) 2008-2009 - Design and partial implementation of an ITSP system 2005-2010 - Design and implementation of different PBX features on asterisk installations 2004 - Various tools for a High-availability system at Eurolion PLC (http://www.eurolion.com) 2003 - E-commerce system for selling software (v4) 2002-2003 - Extended and reliable hosting system (v2) 2002 - Secure backup system for multiple servers 2002 - Apache chunking-encoding vulnerability scanner 2002 - Security system for accessing remote servers by multiple users, still in deployment 2002 - Free mail service system 2002 - E-commerce system for selling software products(v2) 2001-2002 - Hosting system 2001 - Aolserver module for referer-based redirection, nsredir 2001 - FreeHosting system v3.5 based on mysql, thttpd, qmail, proftpd 2001 - Mysql based virtual hosting, banner support and other extensions for thttpd ( http://thttpd.ludost.net/ ) 2001 - FreeHosting system v3, based on mysql, aolserver, qmail, proftpd. 2000 - Support for 3com totalcontrol netserver/16 traffic accounting, for Cistron Radius, still in deployment 2000 - Accounting chains - Traffic accounting using ipchains/iptables and postgresql ( http://ludost.net/chains/ ) still in deployment 1999 - FreeHosting system v1, based on postgresql, apache, wu-ftpd. 1999 - jftp, FTP client in Java 1998 - Traffic and time accounting for dialup and directly-connected clients, based on ipfwadm/ipchains System: 2009: Automated server installation and management system for Lemuria communications 2009: Monitoring system for Lemuria communications 2005-2010: Monitoring system for Securax BVBA and customers, for voice and related services 2006-2007: Design, debugging and deployment of a home-grown predictive dialing system 2005-2010: Designd, implementation and deployment of different asterisk PBXes with extra features 2007: High-availability database/web server for EBG.bg (http://ebg.bg) 2005: High-availability database/web server & router system for Aii Data Processing (http://aiidatapro.com) 2005: Live video broadcast of LUG-BG's seminar - 2005 2005: Live video broadcast of Linux-BG's seminar 2005-4, 2005-5 2004: Live video broadcast of OpenFest 2004 2004: High-Availability database&web core for financial transactions, at Eurolion PLC (http://www.eurolion.com) 2004-present: zver.fsa-bg.org, system administration FSA-BG's server. Hosting for members of FSA and their projects. 2002-present: http://marla.ludost.net/ (with Boyan Krosnov) , hosting server for various non-profit projects running apache, proftpd, postfix, courier-imap, courier-pop3, rsync server, bind9, cvs, nagios and other services 2003-present: http://anime.ludost.net/, Anime portal in Bulgarian 2001-present: http://fateback.com/ , Free web and mail hosting 2001-present: http://miraclecreations.com/ , Free web and mail hosting 1996-1999: Dobrich.net , ISP Network: 2009-2011 - BGP and general network implementation for Lemuria commincations 2008 - Network design and implementation for an ITSP 1999-2003 - Network topology design and implementation in Ancient Media LtD. 1997-2001 - Network topology design and implementation in Dobrich.NET Papers/Articles: 2005 - The Network Security Course at Sofia University - Description, History, Future Presented at the LUG-BG seminar 2005 2005 - Making live video feeds with Free (Libre) Software ( http://vasil.ludost.net/pisaniq/livevid.sxi) Presented at 2005-4 Linux-BG seminar 2005 - marla.ludost.net - the project ( http://vasil.ludost.net/pisaniq/marla.sxi, http://conf.linux-bg.org/fb/data/2005-02/video/Marla.mpg ) Presented at 2005-2 Linux-BG seminar 2004 - High-Availability with Free (Libre) Software ( http://vasil.ludost.net/pisaniq/HA-oss.pdf ) 2004 - How to write a course paper for the Network Security course ( http://vasil.ludost.net/pisaniq/howto-cp.pdf ) 2004 - Problems with the system and network administration in Bulgaria ( http://vasil.ludost.net/pisaniq/ls2004paper.pdf ) 2004 - A secure and reliable social/community network ( http://vasil.ludost.net/sn_wot/sn_wot.txt ) 2001 - Tuning guide for IRCD Hybrid6 to support more concurrent users in UniBG, originally in unibg-admins mailing list, published at www.phreedom.org 2000 - Article 'Detecting internet connection(in Unix systems), published in Phreeedom magazine issue 22 1999 - Article 'Quality of Services and Traffic control in Linux' (with Stoyan Lekov) published in Phreedom Magazine issue 21 1999 - Article 'Collecting information from remote sites' , published in Phreedom Magazine issue 21 1998 - Article 'Backdoors in U**x systems', published in Phreedom Magazine issue 17 Awards: 1999 - Admission without exam in Sofia University, Sofia, Bulgaria 1994 - III prize, Winter Mathematics Festivals, National Informatics Contest, Rousse 1993 - II prize, National Informatics Contest, Blagoevgrad 1992 - III prize , Winter Mathematics Festivals, National Informatics Contest,Pleven Various prize places in local informatics contests in Dobrich, 1992-1999 Misc: August 2009 - Volunteer at the NOC team at Hacking at Random, DHCP/DNS services, etc. November 2010 - Network and video recording setup for Openfest 2010 November 2009 - Network and video recording setup for Openfest 2009 November 2007 - Network and video recording setup for OpenFest 2007 November 2006 - Network setup for OpenFest 2006 October 2006 - Part of the ISECA team for the audit of the IT security of the Central Elections Commitee for Presidential and Vice-presidential Elections April 2006 - Systems, network and rules setup for the Hack Attack 2006 contest November 2005 - Network setup for OpenFest 2005 August 2005 - Volunteer in the Network team at WhatTheHack, in charge of the dhcp/dns/etc. servers December 2004 - Systems, network and rules setup for the Hack Attack 2004 contest November 2004 - Network setup for OpenFest 2004 2001-2007 - IRC server administrator in UniBG 1997-2001 - Co-editor of Phreedom Magazine