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2026-04-23 17:07:55 +08:00
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.TH TRY-FROM 8 "21th June 1997" Linux "Linux Programmer's Manual"
.SH NAME
try-from \- test program for the tcp_wrapper
.SH SYNOPSIS
.B try-from
.SH DESCRIPTION
The
.B try-from
command can be called via a remote shell command to find out
if the hostname and address are properly recognized
by the
.B tcp_wrapper
library, if username lookup works, and (SysV only) if the TLI
on top of IP heuristics work. Diagnostics are reported through
.BR syslog (3)
and redirected to stderr.
Example:
rsh host /some/where/try-from
.SH SEE ALSO
.BR hosts_access (5),
.BR hosts_options (5),
.BR tcpd (8)
.SH AUTHOR
Wietse Venema, Eindhoven University of Technology, The Netherlands.