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Perl in a Nutshell, 2nd Edition
book

Perl in a Nutshell, 2nd Edition

by Nathan Patwardhan, Ellen Siever, Stephen Spainhour
June 2002
Beginner content levelBeginner
759 pages
80h 42m
English
O'Reilly Media, Inc.
Content preview from Perl in a Nutshell, 2nd Edition

Name

requires_firewall

Synopsis

requires_firewall(host)

Determines if host is outside of your firewall. Possible return values are:

-1

Cannot look up hostname

0

Host is inside firewall (or there is no FTP_firewall entry)

1

Host is outside the firewall

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Publisher Resources

ISBN: 0596002416Errata Page