Who has seen their company internet connection slow to a halt because somebody has realised they can download the lastest blockbuster movie from your ISP news server? All of us ... ok lets move on.
I have been running NNTP proxies for years now. Originally i ran NNTPcache but it caches article bodies as well and is not really suitable for a firewall.
However Newsplex is a header caching USENET proxy (for want of a better term).
It is simple to configure via config files and can allow or diallow on a per newsgroup basis.
On a company LAN it is excellent as you can tell it not to allow alt.bin and can tell it about all the legitimate NNTP feeds such as microsoft etc.
There are easily 20 available legitimate feeds to compliment your own ISP NNTP server. Once it is installed it presents a single virtual NNTP server to all your clients and cleverly pre-emptively caches group headers for popular groups.
With this installed you can ban all outgoing access from all hosts to port 119 and still allow legitimate use of USENET.
Also since you only ever download the headers one time it can equate to a huge bandwidth saving.
I think it would be a valuable addition to Astaro
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