09-24-2010
Yeah. Check that both port 20 and port 21 are open on the firewall.
If it is not a firewall issue there are a huge list of possible causes. Some are:
1) Second computer in this FTP relay chain is hung.
2) Transient network break
3) Cisco routers with "jumbo packets" enabled.
4) Incorrect network speed/duplex settings. Expecially any "autonegotiate".
5) Duplicate IP address.
If is is not a firewall setting try a small block size e.g. "ftp -B 1". This will tell tell you wheter a router has erroneously negotiated "jumbo packets" which are known to hang FTP.
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LEARN ABOUT DEBIAN
authen::simple::ftp
Authen::Simple::FTP(3pm) User Contributed Perl Documentation Authen::Simple::FTP(3pm)
NAME
Authen::Simple::FTP - Simple FTP authentication
SYNOPSIS
use Authen::Simple::FTP;
my $ftp = Authen::Simple::FTP->new(
host => 'ftp.company.com'
);
if ( $ftp->authenticate( $username, $password ) ) {
# successfull authentication
}
# or as a mod_perl Authen handler
PerlModule Authen::Simple::Apache
PerlModule Authen::Simple::FTP
PerlSetVar AuthenSimpleFTP_host "ftp.company.com"
<Location /protected>
PerlAuthenHandler Authen::Simple::FTP
AuthType Basic
AuthName "Protected Area"
Require valid-user
</Location>
DESCRIPTION
Authenticate against a FTP service.
METHODS
* new
This method takes a hash of parameters. The following options are valid:
* host Connection host, can be a hostname or IP number. Defaults to "localhost".
host => 'ftp.company.com'
host => '10.0.0.1'
* port Connection port, default to 21.
port => 21
* timeout
Connection timeout, defaults to 60.
timeout => 60
* log Any object that supports "debug", "info", "error" and "warn".
log => Log::Log4perl->get_logger('Authen::Simple::FTP')
* authenticate( $username, $password )
Returns true on success and false on failure.
SEE ALSO
Authen::Simple.
Net::FTP.
AUTHOR
Christian Hansen "ch@ngmedia.com"
COPYRIGHT
This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.8.8 2008-03-01 Authen::Simple::FTP(3pm)