KDUMPD(8) BSD System Manager's Manual KDUMPD(8)NAME
kdumpd -- Mac OS X remote kernel core dump server
SYNOPSIS
/usr/libexec/kdumpd [directory]
DESCRIPTION
Kdumpd is a server which receives kernel states in the form of a core dump from a remote Mac OS X machine. The kdumpd server operates on UDP
port 1069, although this may be configurable in the future. The server should be started by inetd(8).
The server should have the user ID with the lowest possible privilege, usually the user "nobody". The directory specified as a server pro-
gram argument in /etc/inetd.conf directs the server to store kernel cores in that directory and nowhere else. The server returns an EEXIST
error to the remote kernel if it receives a request for an existing file - i.e. only new files can be created. The server also disallows
path specifications in the incoming file name.
HISTORY
The kdumpd command is based on Berkeley tftpd(8) by way of FreeBSD, with several modifications.
BSD August 29, 2003 BSD
Check Out this Related Man Page
tftpd(8) System Manager's Manual tftpd(8)NAME
tftpd - The DARPA Trivial File Transfer Protocol (TFTP) server
SYNOPSIS
/usr/sbin/tftpd [-b] [-d] [-r pathname] [-t interval] [directory ...]
FLAGS
Instructs tftpd to not respond to broadcast requests. Specifies that the name of the file and other debug information is sent to syslogd.
Specifies the relative pathname a user can specify to transfer a file that has no path associated with it. For example, -r /tmp/tftp
causes /tmp/tftp to be prefixed to a file that has no path and the file is copied to and from the directory /tmp/tftp. Only one directory
path can be specified with this option. Specifies the amount of time, in seconds, that tftpd waits before it recognizing a connection
timeout. The default interval is 25 seconds.
DESCRIPTION
The tftpd daemon is a server that supports the DARPA (Defense Advanced Research Projects Agency) Trivial File Transfer Protocol. The TFTP
server operates at the port indicated in the tftp service description; see services(4). The server is normally started by inetd(8).
The use of tftp does not require an account or password on the remote system. Due to the lack of authentication information, tftpd will
allow only publicly readable files to be accessed. Files can be written only if they already exist and are publicly writable. Note that
this extends the concept of ``public'' to include all users on all hosts that can be reached through the network; this may not be appropri-
ate on all systems, and its implication should be considered before enabling tftp service. The server should have the user ID with the
lowest possible privilege.
Access to files may be restricted by invoking tftpd with a list of directories and including pathnames as server program arguments in
/etc/inetd.conf. In this case, access is restricted to files whose names are prefixed by the one of the given directories.
The tftpd daemon validates the files that it has to transfer against the /etc/tftptab file. If you are transferring files that are not pub-
licly readable or not in the directories listed on the command line, you must make certain that those files are listed in the /etc/tftptab
file.
RESTRICTION
The maximum number of directories allowed in the directory list are 62. The maximum number of files allowed in /etc/tftptab file is 256.
FILES
Specifies the command path
RELATED INFORMATION
Commands: tftp(1)
Daemons: inetd(8) delim off
tftpd(8)
Manufacturer Links
General Information
Home Page: IBM United States
Documentation/Information: IBM System p - UNIX servers: Support and services
pSeries and AIX Information Center
Developerworks AIX Wiki: AIX Wiki
AIX for System Administrators
In-depth information from IBM:
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