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- Newsgroups: comp.protocols.tcpip,comp.sys.sun.hardware,comp.unix.solaris
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!spool.mu.edu!news.cs.indiana.edu!umn.edu!umeecs!nova!ellis
- From: ellis@nova.gmi.edu (Stew Ellis)
- Subject: Re: Berkeley Packet Filter for Sun's
- Message-ID: <ellis.725640345@nova>
- Sender: news@zip.eecs.umich.edu (Mr. News)
- Organization: GMI Engineering&Management Institute, Flint, MI
- References: <1hcf2jINNil@flash.pax.tpa.com.au>
- Date: Tue, 29 Dec 1992 14:45:45 GMT
- Lines: 28
-
- dclunie@pax.tpa.com.au (David Clunie) writes:
-
- >I am interested in implementing a filter for controlling the flow
- >of certain tcpip packets based on source/destination, protocol and
- >possibly process/user of origin.
-
- >I gather from peeking at tcpdump that there is such a thing as the
- >"Berkeley Packet Filter" mechanism that can be implemented in SunOS 4.1x
- >if one has a source license which I don't :(
-
- >Is there anyone who has done this that could let me have the object
- >of the appropriately modified modules ?
-
- >I am presupposing of course that BPF will be of some use to me, in the
- >sense that it will allow me to selectively filter packets, rather than
- >just peek at them !
-
- >Thanks ... david
-
- Check out Weitse Venema's tcp/ip wrappers. They are archived on many sites,
- but the best place to check for them is cert.org. They work only with tcp
- and not with udp.
-
- --
- ___________________
- R.Stewart(Stew) Ellis, Assoc.Prof., (Off)313-762-9765 / _____ ______
- Humanities & Social Science, GMI Eng.& Mgmt. Inst. / / / / / /
- Flint, MI 48504 ellis@nova.gmi.edu /________/ / / / /
-