06-30-2013
What services do you use, what ports do you have open? If you are not using a web server what is the account www-data for? Any service that is running on the server and that can be approached from the Internet by some port number, can be used for a hack and can be vulnerable. If there is a weakness in a service / daemon, than an attacker could potentially acquire the access rights of the user that is used to run that daemon, bypassing any strong password authentication you might have in place..
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LEARN ABOUT SUNOS
in.tnamed
in.tnamed(1M) System Administration Commands in.tnamed(1M)
NAME
in.tnamed, tnamed - DARPA trivial name server
SYNOPSIS
/usr/sbin/in.tnamed [-v]
DESCRIPTION
in.tnamed is a server that supports the DARPA Name Server Protocol. The name server operates at the port indicated in the "name" service
description (see services(4)), and is invoked by inetd(1M) when a request is made to the name server.
OPTIONS
-v Invoke the daemon in verbose mode.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWtnamd |
+-----------------------------+-----------------------------+
SEE ALSO
svcs(1), uucp(1C), inetadm(1M), inetd(1M), svcadm(1M), services(4), attributes(5), smf(5)
Postel, Jon, Internet Name Server, IEN 116, SRI International, Menlo Park, California, August 1979.
NOTES
The protocol implemented by this program is obsolete. Its use should be phased out in favor of the Internet Domain Name Service (DNS) pro-
tocol.
The in.tnamed service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/tname
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 5.10 11 Aug 2004 in.tnamed(1M)