Some safeguard against Message ID spoofing or substitution - where posters deliberately or mistakenly replace already posted articles on the server - might be wise, since the problem seems to be growing. Newsbin has implemented it through verifying downloaded Subject header fields against Subject attributes in NZBs.
- Anti-message-id spoofing code. There have been numerous cases lately where people download a file and they get chunks for other files instead of the ones Newsbin was expecting. This defends against that.
http://forum.newsbin.com/viewtopic.php?p=153465
An Astraweb admin explains the problems they're having with it here:
http://forums.newsbin.com/viewtopic.php?t=24986And if you're going to implement this, may as well do some pre-verification of headers to check NZB completion on server before download starts, but that's been requested elsewhere.
