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Network Applications
Applications are running either as stand alone daemons:
Apache, SSH, Sendmail, Samba, BIND, DHCP...
or started through application servers such as inetd or xinetd: telnet, rsh,
rlogin, ftp, imap, pop3 ...
Entry for FTP services in /etc/inetd.conf
The fields of /etc/inetd.conf contain the following:
| 1. service-name | valid name from /etc/services |
| 2. socket type | stream for TCP and dgram for UDP |
| 3. protocol | valid protocol from /etc/protocols |
| 4. flag | nowait if multithreaded and wait if single-threaded |
| 5. user/group | run application as user or group |
| 6. program | usually tcpd |
| 7. argument | the name of the daemon that needs to be run |
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