영어에서 Inetd 을 사용하는 예와 한국어로 번역
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Programming
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Computer
Enable inetd.
D/inetd reload to do so.
New ping and inetd Packages.
Etc/inetd. conf configuration file.
The pid of the currently running inetd.
If necessary/etc/inetd. conf and then restart it or change.
FreeBSD server setup steps»inetd to enable.
The first form is useful with inetd implementations that run all services with root privilege.
There is currently no MPM designed to be launched by inetd.
See the explanation of the/etc/inetd. conf protocol field below.
Shell commands should not rely on the PATH setting of the inetd.
The first message occurs when inetd(re)reads the configuration file.
Hush, hwclock, id, ifconfig, ifdown, ifenslave, ifplugd,ifup, inetd.
Operations to start and stop the inetd Internet services daemon.
The list of services that will be serviced is given in a configuration file, usually/etc/inetd. conf.
In addition to running services on IP sockets, inetd can also manage Unix domain sockets.
In fact, a general-purpose filter program that knows nothing about sockets can work as a byte stream server run by inetd.
If the TCPMUX service name begins with a"+", inetd returns the positive reply for the program.
Often the program needs only the ordinary I/O facilities; in fact, a general-purpose filter program that knows nothing about sockets can work as a byte stream server run by inetd.
It can be started on demand by the system's inetd daemon, or it can be set up to run as an independent daemon.
FreeBSD 5.0 and later versions, by default, inetd is disabled.
They are invoked from inetd when a program connects to the"tcpmux" well-known port and specifies the service name.
Marco d'Itri announced that he plans to replace the version of ping and inetd with programs from OpenBSD.
When given the-w option, inetd will wrap all services specified as"stream nowait" or"dgram" except for"internal" services.
Note that not all networking services are started by inetd(8), and so won't appear in inetd. conf(5).
Turn off and uninstall unneeded services:Edit your“/etc/inetd. conf” file, and disable(ie. comment out using a“” character) any services that are not needed(if you're using ssh as recommended above, you might wish to disable the“telnet” service).
When a TCP packet or UDP packet arrives with a particular destination port number, inetd launches the appropriate server program to handle the connection.
The/etc/services entry will look like this: errorLogger 9999/udp And the entry in/etc/inetd. conf will look like this: errorLogger dgram udp wait root/usr/local/bin/errlogd errlogd/tmp/logfile. txt This tellsinetd to run the/usr/local/bin/errlogd program, with the commandline: errlogd/tmp/logfile. txt refer to the inetd.
The reason is that for multithreaded systems when the server receives a request it launches a new process, then it frees the sockect so that inetd can continue to listen for further requests, therefore using nowait.