Net::Config(3p) Perl Programmers Reference Guide Net::Config(3p)

Net::Config(3p) Perl Programmers Reference Guide Net::Config(3p) #

Net::Config(3p) Perl Programmers Reference Guide Net::Config(3p)

NNAAMMEE #

 Net::Config - Local configuration data for libnet

SSYYNNOOPPSSIISS #

     use Net::Config qw(%NetConfig);

DDEESSCCRRIIPPTTIIOONN #

 "Net::Config" holds configuration data for the modules in the libnet
 distribution. During installation you will be asked for these values.

 The configuration data is held globally in a file in the perl
 installation tree, but a user may override any of these values by
 providing their own. This can be done by having a ".libnetrc" file in
 their home directory. This file should return a reference to a HASH
 containing the keys described below.  For example

     # .libnetrc
     {
         nntp_hosts => [ "my_preferred_host" ],
         ph_hosts   => [ "my_ph_server" ],
     }

END #

CCllaassss MMeetthhooddss “Net::Config” defines the following methods. They are methods as they are invoked as class methods. This is because “Net::Config” inherits from “Net::LocalCfg” so you can override these methods if you want.

 "requires_firewall($host)"
     Attempts to determine if a given host is outside your firewall.
     Possible return values are.

       -1  Cannot lookup hostname
        0  Host is inside firewall (or there is no ftp_firewall entry)
        1  Host is outside the firewall

     This is done by using hostname lookup and the "local_netmask" entry
     in the configuration data.

NNeettCCoonnffiigg VVaalluueess nntp_hosts snpp_hosts pop3_hosts smtp_hosts ph_hosts daytime_hosts time_hosts Each is a reference to an array of hostnames (in order of preference), which should be used for the given protocol

 inet_domain
     Your internet domain name

 ftp_firewall
     If you have an FTP proxy firewall (NNOOTT an HTTP or SOCKS firewall)
     then this value should be set to the firewall hostname. If your
     firewall does not listen to port 21, then this value should be set to
     "hostname:port" (eg "hostname:99")

 ftp_firewall_type
     There are many different ftp firewall products available. But
     unfortunately there is no standard for how to traverse a firewall.
     The list below shows the sequence of commands that Net::FTP will use

       user        Username for remote host
       pass        Password for remote host
       fwuser      Username for firewall
       fwpass      Password for firewall
       remote.host The hostname of the remote ftp server

     0   There is no firewall

     1
              USER user@remote.host
              PASS pass

     2
              USER fwuser
              PASS fwpass
              USER user@remote.host
              PASS pass

     3
              USER fwuser
              PASS fwpass
              SITE remote.site
              USER user
              PASS pass

     4
              USER fwuser
              PASS fwpass
              OPEN remote.site
              USER user
              PASS pass

     5
              USER user@fwuser@remote.site
              PASS pass@fwpass

     6
              USER fwuser@remote.site
              PASS fwpass
              USER user
              PASS pass

     7
              USER user@remote.host
              PASS pass
              AUTH fwuser
              RESP fwpass

 ftp_ext_passive
 ftp_int_passive
     FTP servers can work in passive or active mode. Active mode is when
     you want to transfer data you have to tell the server the address and
     port to connect to.  Passive mode is when the server provide the
     address and port and you establish the connection.

     With some firewalls active mode does not work as the server cannot
     connect to your machine (because you are behind a firewall) and the
     firewall does not re-write the command. In this case you should set
     "ftp_ext_passive" to a _t_r_u_e value.

     Some servers are configured to only work in passive mode. If you have
     one of these you can force "Net::FTP" to always transfer in passive
     mode; when not going via a firewall, by setting "ftp_int_passive" to
     a _t_r_u_e value.

 local_netmask
     A reference to a list of netmask strings in the form "134.99.4.0/24".
     These are used by the "requires_firewall" function to determine if a
     given host is inside or outside your firewall.

 The following entries are used during installation & testing on the
 libnet package

 test_hosts
     If true then "make test" may attempt to connect to hosts given in the
     configuration.

 test_exists
     If true then "Configure" will check each hostname given that it
     exists

EEXXPPOORRTTSS #

 The following symbols are, or can be, exported by this module:

 Default Exports
     %NetConfig.

 Optional Exports
     _N_o_n_e.

 Export Tags
     _N_o_n_e.

KKNNOOWWNN BBUUGGSS #

 _N_o_n_e.

AAUUTTHHOORR #

 Graham Barr <gbarr@pobox.com <mailto:gbarr@pobox.com>>.

 Steve Hay <shay@cpan.org <mailto:shay@cpan.org>> is now maintaining
 libnet as of version 1.22_02.

CCOOPPYYRRIIGGHHTT #

 Copyright (C) 2000 Graham Barr.  All rights reserved.

 Copyright (C) 2013-2014, 2016, 2020 Steve Hay.  All rights reserved.

LLIICCEENNCCEE #

 This module is free software; you can redistribute it and/or modify it
 under the same terms as Perl itself, i.e. under the terms of either the
 GNU General Public License or the Artistic License, as specified in the
 _L_I_C_E_N_C_E file.

VVEERRSSIIOONN #

 Version 3.14

DDAATTEE #

 23 Dec 2020

HHIISSTTOORRYY #

 See the _C_h_a_n_g_e_s file.

perl v5.36.3 2023-02-15 Net::Config(3p)