allow only one file for each IP

You should do that yourself, by checking how many times the user entered the if(isset($_SERVER['HTTP_RANGE'])) {?> and I am not sure if this is going to work.

will say if I test this access maybe I don't need the database?

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Yes. The database thing is to have 1 concurrent download per ip.

Yes. The database thing is to have 1 concurrent download per ip.

I need a limit for each IP

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The script as is has limit for 1 download per ip. To make this work with dl managers, you should keep in the db how many open slots the user have, and how many of them stoped....

In general this is not something you really need

I have the problem that one 900MB download eats >5GB on traffic based on the settings for the DL manager

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How that happens?

How that happens?

because the DL manager starts several (partial) downloads for one file (to make it faster???)

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The partial downloads will use the same bandwidth, but they will use more bandwidth from your port.

The partial downloads will use the same bandwidth, but they will use more bandwidth from your port.

wil say I pay for that bandwidth!!!

Hi, just did a test:\
I downloaded one file with 3 possible connections for each server

Code:

82.161.6.3- - [15/Jul/2007:20:36:41 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 7460613 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:36:41 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 3730307 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:36:41 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 200 14921226 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:01 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 9285502 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:02 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 8322558 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:55 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 9154430 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:55 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 8322558 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:55 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 10895582 "http://www.finalhosting.com/files/all/" "FDM 2.x"
82.161.6.3- - [15/Jul/2007:20:37:59 -0400] "GET /files/all/cs_test_file.zip HTTP/1.1" 206 9652269 "http://www.finalhosting.com/files/all/" "FDM 2.x"

looks like more traffic than 14.2 MB (the filesize)

this was a request without the script...

I'm using this partially download script now without any db/ip check and it looks like that it is working right now.

there are too possibilities for the unnatural traffic:

the server gave back the wrong response on some direct request via the download manager

or

this fu_xxx_ing FDM (free download manager) is doing something wrong

(I hope it's the second )

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I think the problem is that the apache log file logs this traffic wrong. If the dl manager was using more bandwidth the downloads would be slower than by not using it

I think the problem is that the apache log file logs this traffic wrong. If the dl manager was using more bandwidth the downloads would be slower than by not using it

the DL manager splits the file into x parts, this way its possible to to download files faster if the downstream is lower on the target server.

the log above is from a DL without using a script, while using the script it's OK

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