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try-from(8)

Linux
21th June 1997

tcpd

Wietse Venema's TCP wrapper utilities

tcp_wrappers

A security tool which acts as a wrapper for TCP daemons

tcp-wrappers

Monitors and Controls incoming TCP connections

NAME

try-from - test program for the tcp_wrapper

SYNOPSIS

try-from

DESCRIPTION

The try-from command can be called via a remote shell command to find out if the hostname and address are properly recognized by the tcp_wrapper library, if username lookup works, and (SysV only) if the TLI on top of IP heuristics work. Diagnostics are reported through syslog(3) and redirected to stderr.
Example:
rsh host /usr/sbin/try-from

AUTHOR

Wietse Venema, Eindhoven University of Technology, The Netherlands.
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