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изучаем исходник scan.c

Спецвыпуск Xakep, номер #023, стр. 023-052-3

tcpmux 1/udp TCP Port Service Multiplexer [MKL]

compressnet 2/tcp Management Utility [BV15]

compressnet 2/udp Management Utility [BV15]

compressnet 3/tcp Compression Process [BV15]

compressnet 3/udp Compression Process [BV15]

rje 5/tcp Remote Job Entry [12,JBP]

rje 5/udp Remote Job Entry [12,JBP]

echo 7/tcp Echo [95,JBP]

echo 7/udp Echo [95,JBP]

discard 9/tcp Discard [94,JBP]

discard 9/udp Discard [94,JBP]

systat 11/tcp Active Users [89,JBP]

systat 11/udp Active Users [89,JBP]

daytime 13/tcp Daytime [93,JBP]

daytime 13/udp Daytime [93,JBP]

netstat 15/tcp Netstat

qotd 17/tcp Quote of the Day [100,JBP]

qotd 17/udp Quote of the Day [100,JBP]

msp 18/tcp Message Send Protocol [RXN]

msp 18/udp Message Send Protocol [RXN]

chargen 19/tcp Character Generator [92,JBP]

chargen 19/udp Character Generator [92,JBP]

ftp-data 20/tcp File Transfer [Default Data] [96,JBP]

ftp-data 20/udp File Transfer [Default Data] [96,JBP]

ftp 21/tcp File Transfer [Control] [96,JBP]

ftp 21/udp File Transfer [Control] [96,JBP]

telnet 23/tcp Telnet [112,JBP]

telnet 23/udp Telnet [112,JBP]

priv-mail 24/tcp any private mail system [RA11]

priv-mail 24/udp any private mail system [RA11]

smtp 25/tcp Simple Mail Transfer [102,JBP]

smtp 25/udp Simple Mail Transfer [102,JBP]

nsw-fe 27/tcp NSW User System FE [24,RHT]

nsw-fe 27/udp NSW User System FE [24,RHT]