Re: [mh] Re cent Earthquakes - Get Failed

[Michael S. <mi...@st...>]

I think this has something to do with pasv mode in FTP.  When I try to ftp
directly to the site, I must use pasv mode (-p) or I get either a long
timeout or the 404 error.  So here's the new bit of information for me.
I've been successfully pulling USGS files with MH for years.  Just Friday, I
moved my home over to AT&T U-verse and wanted an extra level of NAT for
protection of my home PCs.  The U-Verse RG (vdsl modem / router) does its
own NAT on top of the NAT I'm doing in an Ethernet router.  This is called
double NAT and does have some issues with various protocols.  It turns out
that since that change I am no longer able to retrieve the files without
using pasv mode; all of the MH USGS earthquake attempts are failing.  This
is not surprising to me given the double NAT.  I wonder if you have
something similar going on?
I agree with Gregg's approach since the Net::FTP module has a passive
option.  The command below worked for me.  If it works for you then maybe
the solution is to modify the earthquakes file.  IMO, all FTP should be
using pasv now days anyway.
cd [your mh path]/bin
net_ftp -passive 1 -command get -file quake.tmp -file_remote cnss/quake
-server hazards.cr.usgs.gov -user anonymous -password "us...@em..."
BTW, I have what I think is a much improved version of the earthquakes
script that you can try out if you are interested; I modified it early this
morning and it is working great with net_ftp using passive mode.  Otherwise
I can modify the original earthquakes script for you.
Michael

-----Original Message-----
From: Ryan Davies [mailto:ry...@i-...] 
Sent: Friday, March 27, 2009 10:36 PM
To: mis...@li...
Subject: Re: [mh] Re cent Earthquakes - Get Failed


Hi Michael.
This issue seems to only be apparent with LWP::Simple
I can wget the file. And I can links/lynx it

Running a small perl line such as:
perl -MLWP::Simple -e 'getprint "ftp://hazards.cr.usgs.gov/cnss/quake"'

results in:
404 File 'quake' not found <URL:ftp://hazards.cr.usgs.gov/cnss/quake>

So far it seems its only perl

ryan@Misterhouse:~# perl -v

This is perl, v5.10.0 built for i486-linux-gnu-thread-multi

Ryan


Michael Stovenour wrote:
> 
> Ryan,
> I would start by suspecting a network problem outside of Misterhouse.  Can
> you get the file with FTP?  
>     ftp hazards.cr.usgs.gov
>     user:  anonymous
>     pass:  som...@an...
>     cd cnss
>     get quake
> 
> Michael
> 


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