Open Source Security Tools : Practical Guide to Security Applications part 44. Few frontline system administrators can afford to spend all day worrying about security. But in this age of widespread virus infections, worms, and digital attacks, no one can afford to neglect network defenses. Written with the harried IT manager in mind, Open Source Security Tools is a practical, hands-on introduction to open source security tools. | Page 409 Friday June 25 2004 1 41 PM Appendix C Well-Known TCP IP Port Numbers 409 kerberos 88 udp Kerberos B. Clifford Neuman bcn@ su-mit-tg 89 tcp SU MIT Telnet Gateway su-mit-tg 89 udp SU MIT Telnet Gateway Mark Crispin MRC@ PORT 90 also being used unofficially by Pointcast dnsix 90 tcp DNSIX Securit Attribute Token Map dnsix 90 udp DNSIX Securit Attribute Token Map Charles Watt watt@ mit-dov 91 tcp MIT Dover Spooler mit-dov 91 udp MIT Dover Spooler Eliot Moss EBM@ npp 92 tcp Network Printing Protocol npp 92 udp Network Printing Protocol Louis Mamakos louie@ dcp 93 tcp Device Control Protocol dcp 93 udp Device Control Protocol Daniel Tappan Tappan@ objcall 94 tcp Tivoli Object Dispatcher objcall 94 udp Tivoli Object Dispatcher Tom Bereiter --none--- supdup 95 tcp SUPDUP supdup 95 udp SUPDUP Mark Crispin MRC@ dixie 96 tcp DIXIE Protocol Specification dixie 96 udp DIXIE Protocol Specification Tim Howes swift-rvf 97 tcp Swift Remote Virtural File Protocol swift-rvf 97 udp Swift Remote Virtural File Protocol Maurice R. Turcotte mailrus uflorida rm1 dnmrt rmatl@ tacnews 98 tcp TAC News tacnews 98 udp TAC News Jon Postel postel@ metagram 99 tcp Metagram Relay metagram 99 udp Metagram Relay Geoff Goodfellow Geoff@ newacct 100 tcp unauthorized use hostname 101 tcp NIC Host Name Server hostname 101 udp NIC Host Name Server Jon Postel postel@ iso-tsap 102 tcp ISO-TSAP Class 0 iso-tsap 102 udp ISO-TSAP Class 0 Marshall Rose mrose@ gppitnp 103 tcp Genesis Point-to-Point Trans Net gppitnp 103 udp Genesis Point-to-Point Trans Net acr-nema 104 tcp ACR-NEMA Digital Imag. Comm. 300 acr-nema 104 udp ACR-NEMA Digital Imag. Comm. 300 Patrick McNamee --none cso 105 tcp CCSO name server protocol Page 410 Friday June 25 2004 1 41 PM 410 Appendix C Well-Known TCP IP Port Numbers cso 105 udp .
