Re: BPF in Linux?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 8 Feb 1998 13:42:48 +0000 (GMT)

> Is that just a name change from BPF? Or an upward compatible extension?
> Or an incompatible functionality change?
>
> I.e. will a BPF application developed under BSD run under the new
> Linux implementation of BPF?

It has a mentality difference. Instead of being a hacked on the size device
the filters can be pushed onto arbitary sockets. Eg you can push a filter
onto a tcp socket as a user to do per user firewalling

Alan

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