David Adams - Professional Graphics and Web Design at Affordable Prices

::: More Skills - Programming, Operating Systems, Security

[Programming]

[Operating Systems]

UNIX [Expert] (BSD, DX/UX, Linux, Solaris):
Experience with UNIX command line programs and scripting, compiling programs in UNIX, GNU software, vi editor, recompiling kernels, Makefiles, process management, performance tweaking, ufs, tmpfs, Veritas file systems. Various shells such as ksh, bash, tcsh, etc. X apps including X Windows managers. Kerberos, DES, secure shell (SSH) clients/servers, Trojan horses, password file encryption/shadowing, NIS+, log hosts, installation of security patches, file system permissions.
Windows/DOS [Expert]: Proficient in NT security including NTFS, SAM database security, registry permissions, MS-CHAP. Prevention of denial of service/exploits for Windows 95/NT using service packs, hot-fixes, etc.
AS/400 [Basic] - User level experience
Novell Netware [Expert] - Supervisor experience

[Network Security]

Firewalls (Checkpoint-1, Raptor, ZoneAlarm)
Intrusion Detection (ISS Real Secure, snoop, TcpDump, SATAN)
Security Auditing (Tiger, COPS, Kane, Titan, ISS, shell scripting)
Port Scanning/Audit (Nmap, ISS Scanner, Asmodeus, SATAN)
Network Attacks: Experience with the prevention of IP spoofing, SYN/FIN exploits, ping/packet flooding, various Windows and TCP/IP network DoS and hacks, and other types of denial of service attacks and exploits.
Security Documentation: Security Policy and standards: Password policies, employee/user security policy, logon banners disaster/backout plans. Documentation for stripping down operating systems.
Advisories: Familiar with reading Microsoft, Sun, CERT, L0pht, Rootshell, mailing lists etc.
Encryption / Key Exchange: SSL and certs through Verisign and Entrust. PGP for e-mail, hard drives, etc.