TCP Wrappers Release Notes

What’s in This Version
TCP Wrapper Features
Chapter 114
try-from is a utility program that can be used to identify the
end-point details related to a connection. This program must be
called via a remote shell command as given below to find out if the
hostname and the address are properly recognized, and also if the
username lookup works.
This is executed on the command line as:
# remsh host /usr/bin/try-from
try-from prints the following output on its inception:
“client address (%a):”
“client hostname (%n):”
“client username (%u):”
“client info (%c):”
“server address (%A):”
“server hostname (%N):”
“server process (%d):”
“server info (%s):”
NOTE Refer to hosts_access(5) man page for more information on %<letter>
expressions.
The client-related information describes how the remote host
recognizes the client in terms of address, name, and user name
whereas the server-related information describes the remote host.
• safe_finger
safe_finger is a wrapper program to finger(1) client which offers
protection against possible damages to the data sent by the remote
finger server. This command accepts all the options supported by
finger(1).
NOTE Refer to finger(1) man page for more information.
safe_finger command is executed on the command line as: