in.chargend(1M) System Administration Commands in.chargend(1M)NAME
in.chargend - UDP or TCP character generator service daemon
SYNOPSIS
in.chargend
FMRI
svc:/internet/chargen:default
DESCRIPTION
FMRI stands for Fault Management Resource Identifier. It is used to identify resources managed by the Fault Manager. See fmd(1M) and
smf(5).
The in.chargend service provides the server-side of the character-generator protocol. This protocol is used for debugging and bandwidth
measurement and is available on both TCP and UDP transports, through port 19.
The in.chargend service is an inetd(1M)smf(5) delegated service. The in.chargend detects which transport is requested by examining the
socket it is passed by the inetd daemon.
TCP-based service
Once a connection is established, the in.chargend generates a stream of data. Any data received is discarded. The server generates data
until the client program terminates the connection. Note that the data flow is limited by TCP flow control mechanisms.
UDP-based service
The in.chargend listens for UDP datagrams. When a datagram is received, the server generates a UDP datagram in response containing a
random number of ASCII characters (ranging from 0 to 512 characters). Any received data is ignored.
The in.chargend data consists of a pattern of 72 character lines containing the printable, 7-bit ASCII characters. Each line is terminated
with a carriage return and a line feed character.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcnsu |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
SEE ALSO inetd(1M), attributes(5), smf(5)
RFC 864
SunOS 5.10 23 Aug 2004 in.chargend(1M)
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in.comsat(1M) System Administration Commands in.comsat(1M)NAME
in.comsat, comsat - biff server
SYNOPSIS
/usr/sbin/in.comsat
DESCRIPTION
comsat is the server process which listens for reports of incoming mail and notifies users who have requested to be told when mail arrives.
It is invoked as needed by inetd(1M), and times out if inactive for a few minutes.
comsat listens on a datagram port associated with the biff service specification (see services(4)) for one line messages of the form
user@mailbox-offset
If the user specified is logged in to the system and the associated terminal has the owner execute bit turned on (by a biff y), the offset
is used as a seek offset into the appropriate mailbox file, and the first 7 lines or 560 characters of the message are printed on the
user's terminal. Lines which appear to be part of the message header other than the From, To, Date, or Subject lines are not printed when
displaying the message.
FILES
/var/adm/utmpx user access and administration information
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWrcmds |
+-----------------------------+-----------------------------+
SEE ALSO svcs(1), inetadm(1M), inetd(1M), svcadm(1M),services(4), attributes(5), smf(5)NOTES
The message header filtering is prone to error.
The in.comsat service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/comsat:default
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). Responsibil-
ity for initiating and restarting this service is delegated to inetd(1M). Use inetadm(1M) to make configuration changes and to view config-
uration information for this service. The service's status can be queried using the svcs(1) command.
SunOS 5.11 27 Jul 2004 in.comsat(1M)