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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Hi Mongers. Being a public servant I have to use 'out of the box' versions of Perl. One of our data collection services is transitioning from RHEL5 to RHEL6. It uses FTP...<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>On RHEL5: This is perl, v5.8.8<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>perl ftp_test.pl <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> Net::FTP(2.75) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> Exporter(5.58) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> Net::Cmd(2.26) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Socket::INET(1.29) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Socket(1.29) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Handle(1.25) <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 220 example.com FTP server (Version 4.2 Mon Dec 21 13:38:18 CST 2009) ready. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)>>> user anonymous <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 331 Guest login ok, send ident as password. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)>>> PASS .... <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 230-Last unsuccessful login: Mon Sep 9 08:00:38 AEST 2013 on /dev/pts/40 from foo.example.com Net::FTP=GLOB(0xb4d5460)<<< 230-Last login: Mon Mar 16 13:22:17 AEDT 2015 on ftp from foo.example.com <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 230 Guest login ok, access restrictions apply. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)>>> CWD /pub/tmp <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 250 CWD command successful. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)>>> PASV <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 227 Entering Passive Mode (x,y,z,a,252,56) <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)>>> NLST T* <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xb4d5460)<<< 550 Bad directory components <o:p></o:p></p><p class=MsoPlainText>Bad directory components <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>So there are no "T*" files, fail with 550, move on… <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>RHEL6: This is perl, v5.10.1<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Net::FTP>>> Net::FTP(2.77) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> Exporter(5.63) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> Net::Cmd(2.29) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Socket::INET(1.31) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Socket(1.31) <o:p></o:p></p><p class=MsoPlainText>Net::FTP>>> IO::Handle(1.28) <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)<<< 220 example.com FTP server (Version 4.2 Mon Dec 21 13:38:18 CST 2009) ready. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)>>> USER anonymous <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)<<< 331 Guest login ok, send ident as password. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)>>> PASS .... <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)<<< 230-Last unsuccessful login: Mon Sep 9 08:00:38 AEST 2013 on /dev/pts/40 from foo.example.com Net::FTP=GLOB(0xbab080)<<< 230-Last login: Mon Mar 16 12:17:46 AEDT 2015 on ftp from foo.example.com <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)<<< 230 Guest login ok, access restrictions apply. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)>>> CWD /pub/tmp <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)<<< 250 CWD command successful. <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)>>> PASV Net::FTP=GLOB(0xbab080)<<< 227 Entering Passive Mode (x,z,c,v,222,248) <o:p></o:p></p><p class=MsoPlainText>Net::FTP=GLOB(0xbab080)>>> NLST T* <o:p></o:p></p><p class=MsoPlainText>Can't use an undefined value as a symbol reference at /usr/share/perl5/Net/FTP/dataconn.pm line 54.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Which is not the expected 550.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I have had a look at the change logs but didn't notice anything significant. As mentioned, I don't have the option of upgrading Perl outside the distro. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Enough code to make it break is:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>#!/usr/bin/perl<o:p></o:p></p><p class=MsoPlainText>use strict;<o:p></o:p></p><p class=MsoPlainText>use Net::FTP;<o:p></o:p></p><p class=MsoPlainText>my $server = 'xxxx';<o:p></o:p></p><p class=MsoPlainText>my $filename = 'T*'; # <<< but make sure that there are no T* files in the dir.<o:p></o:p></p><p class=MsoPlainText>my $ftp = Net::FTP->new($server,Debug=>3,Passive=>1) or die "Cannot connect to some.host.name: $@";<o:p></o:p></p><p class=MsoPlainText> $ftp->login("anonymous",'-anonymous@') or die "Cannot login ", $ftp->message;<o:p></o:p></p><p class=MsoPlainText> $ftp->cwd($dir) or die "Cannot change working directory ", $ftp->message;<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>my $res = $ftp->ls($file_name) or die $ftp->message;<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Hints welcomed.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Cheers,<o:p></o:p></p><p class=MsoPlainText>Tim<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>--<o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>Tim Hunt <o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>Information Systems and Services Division<o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>Bureau of Meteorology<o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>Level 7, 700 Collins Street, Docklands VIC 3008<o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'>Tel: +61 3 9669 4094 | t.hunt@bom.gov.au<o:p></o:p></span></p><p class=MsoPlainText><span style='mso-fareast-language:EN-AU'><o:p> </o:p></span></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>