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Re: BPF in Linux?
> Are there any plans to implemented the Berkeley Packet Filter in
> Linux?
See 2.1.8x ;)
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Re: BPF in Linux? [ In reply to ]
On Thu, 5 Feb 1998, Michael Borella wrote:
>
> Are there any plans to implemented the Berkeley Packet Filter in
> Linux?
Already there in latest development kernels.
Chris
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Re: BPF in Linux? [ In reply to ]
On Thu, 5 Feb 1998, Michael Borella wrote:
>
> Are there any plans to implemented the Berkeley Packet Filter in
> Linux?
>
It already is and I called it the Linux Socket Filter. (Check a recent 2.1
kernel near you).
Cheers,
Jay Schulist
Jay.Schulist@spacs.k12.wi.us
SPACS Network Developer
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Re: BPF in Linux? [ In reply to ]
In article <199802051433.IAA21854@xnet.com>,
Michael Borella <cathmike@xnet.com> wrote:
>
>Are there any plans to implemented the Berkeley Packet Filter in
>Linux?
It has been implemented in 2.1.x a few patchlevels ago.
Mike.
--
Miquel van Smoorenburg | The dyslexic, agnostic, insomniac lay in his bed
miquels@cistron.nl | awake all night wondering if there is a doG
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Re: BPF in Linux? [ In reply to ]
Hello!
In article <Pine.LNX.3.95.980205140650.21276A-100000@spacs1> you write:
>[...]
>It already is and I called it the Linux Socket Filter. (Check a recent 2.1
^^^^^^^^^^^^^^^^^^^
>kernel near you).
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?
Regards, Felix.
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Re: BPF in Linux? [ In reply to ]
> 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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Re: BPF in Linux? [ In reply to ]
On Sun, 8 Feb 1998, Felix Schroeter wrote:
> >It already is and I called it the Linux Socket Filter. (Check a recent 2.1
>
> 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?
>
Probably with little modification. The LSF attaches to any socket and
adheres to the same filter code specifications as the BPF. Just the method
of where the data gets filtered is a bit different. LSF is also alog
simpler to start a filter and shutdown a filter.
If you need more information I would be happy to let you know more.
Jay Schulist
Jay.Schulist@spacs.k12.wi.us
SPACS Network Developer
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