07-04-2001
On my systems, <B>netstat -en </B> provides the kernel level user of the sockets (tcp, unix) , not the application level user (i.e john, harry, sally, root).
Working to automatically set the X display parameter is normally not performed with shell utilities such as netstat; but passed as environmental varialble during remote login. This is a function of the remote login protocol.
Some versions of telnet automatically set the DISPLAY variable, so that when you login remotely, DISPLAY is set and exported for X to use. However, your problem seems to be that this works for you already, but you have DNS issues.
I think it is possible to have the remote login session pass the IP| address in the DISPLAY environment variable. There is no reason to only pass the FQDN to $DISPLAY.
As a matter of fact, if you have your remote users set the IP address in their HOSTNAME environment variable before remote login (or do this is the login script); then you will not have to worry about the DNS issues.
HOSTNAME = 111.222.333.444
DISPLAY = $HOSTNAME:0.0
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LEARN ABOUT ULTRIX
userfile
USERFILE(5) File Formats Manual USERFILE(5)
Name
USERFILE - defines uucp security
Syntax
/usr/lib/uucp/USERFILE
Description
The utility uses the USERFILE to establish what access a remote system can have to the local system. An entry should exist for each sys-
tem. If no entries exist for a particular system, the default entries are used. The entries for particular systems have the following
format:
login-name , node-name X # path-name
login-name
The name with which the remote system logs in.
node-name The name of the remote node.
X# The execution level for the remote system. The remote system can execute commands defined in the file that have an execution
level less than or equal to the number #.
path-name The remote system can access anything at the local system with this prefix.
Two entries must also be provided for systems not otherwise listed:
remote, X# path-name ...
local, X# path-name ...
These entries define the execution level and access pathnames for the local system and all remote systems not defined by specific entries.
Examples
remote, X1 /usr/spool/uucppublic
local, X9 /
max,systemY /usr/sources /usr/src/share
max,systemZ X3 /usr
In the above example, the node named systemY with the login name max has access to anything with the pathname prefixes and The node named
systemZ with the login name max can execute commands defined in with an execution level of 3 or lower. It can access anything with the
pathname prefix
Any other remote systems can execute commands defined in with an execution level of 1 or 0. They can access anything with the pathname
prefix of
Users on the local system can execute any of the commands defined in and access anything on the system.
See Also
Guide to the uucp Utility
USERFILE(5)