Re: [twsocket] HttpCli & ContentRangeBegin

2006-11-21 Thread Cosmin Prund
You know, modern hard drives actually checksum written data so you never get corrupted data back. You might get NO data back (that is, an I/O error) but that would make any operation on the file fail, including burning the file to a CD. I've read this in a "howto" for Linux'es software raid dri

Re: [twsocket] HttpCli & ContentRangeBegin

2006-11-21 Thread Jack
It is actually for data integrity as well (more than security, in my opinion.) When it comes to large file download, there might be corrupted bytes. Then this is more likely caused by HD errors then network errors. >> Conclusion: I think data corruption might be a problem in some cases. >> Notice

Re: [twsocket] HttpCli & ContentRangeBegin

2006-11-18 Thread Francois PIETTE
> Conclusion: I think data corruption might be a problem in some cases. > Notice how all Linux distributions include MD5 hashes for all downloads, > so they can be checked on the receiving end? This is not to detect data corrumption because of data transmission but to detect "man in the middle" a

Re: [twsocket] HttpCli & ContentRangeBegin

2006-11-17 Thread Cosmin Prund
Francois PIETTE wrote: >> (3) In the code running after a failed download I'm removing the last >> portion of the received data, just in case it's corrupted. I noticed >> this behavior in a freeware download manager I used to use some time >> ago. But now I'm asking: is this really necessary? HTTP

Re: [twsocket] HttpCli & ContentRangeBegin

2006-11-17 Thread Francois PIETTE
it, it is correct data. -- Contribute to the SSL Effort. Visit http://www.overbyte.be/eng/ssl.html -- [EMAIL PROTECTED] http://www.overbyte.be - Original Message - From: "Cosmin Prund" <[EMAIL PROTECTED]> To: "ICS support mailing" Sent: Thursday, November 1

[twsocket] HttpCli & ContentRangeBegin

2006-11-16 Thread Cosmin Prund
Hello. I've build a "download manager" module for my application arround THttpCli and I'm making use of ContentRangeBegin to resume failed downloads. It all works very nice and smooth, and all my downloads resume fine. Unfortunately my downloads only fail when I unplug the network cable from m