Re: Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: "Peter J. Holzer" <hjp-usenet2@xxxxxx>
- Date: Sat, 6 Dec 2008 22:33:06 +0100
On 2008-12-05 22:47, Ted Byers <r.ted.byers@xxxxxxxxx> wrote:
Thanks Tim. I appreciate this. As I am working on this with a
colleague who has physical access to the nearest machine, we'll be
able to check the logs Monday when he's back in the office. Like I
said, these machines are behind strict firewalls, so there is limited
connectivity to the outside world. For example, the ftp server is
configured to accept connections only from with the LAN behind the
firewall and from the machine running my script. Otherwise, this
machine has no contact to the outside world at all. I wonder if the
firewall or router may be an issue?
FTP is nasty for firewalls. It opens a seperate connection for each file
transfer, from and to essentially random ports, and in different
directions (in "active mode" the server connects back to the client, in
"passive mode" the server expects a connection from the client). Your
log file snippet suggests that you are using active mode and that the
server isn't able to connect back to your client. Try passive mode
instead. Are these transfers already done manually? If so, check the
settings and behaviour of the ftp client. And ask the firewall admin
about the details for ftp access.
hp
.
- References:
- Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: Ted Byers
- Re: Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: Tim Greer
- Re: Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: Ted Byers
- Re: Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: Tim Greer
- Re: Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
- From: Ted Byers
- Why would it appear to my scripts that a server they're connecting to has gone away (using Net::FTP and LWP)
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