5.1 Remote Information Services

Unix-based systems and various device platforms, such as Cisco IOS, run remote information services that provide system, user, and network details over IP. Such services can be probed to collate username listings and details of trusted networks and hosts, and, in some cases, compromise systems directly.

I derived a basic list of remote information services from the /etc/services file:

systat          11/tcp

netstat         15/tcp

domain          53/tcp

domain          53/udp

finger          79/tcp

auth            113/tcp

snmp            161/udp

ldap            389/tcp

rwho            513/udp

globalcat       3268/tcp


     
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