Linux Command Library
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Basic
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Tips

try-from

test program for the tcp_wrapper

try-from

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

hosts_access(5), hosts_options(5), tcpd(8)

Wietse Venema, Eindhoven University of Technology, The Netherlands.

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