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From: David Malone (dwmaloneMATHS.TCD.IE)
Date: Tue Feb 27 2001 - 13:33:41 CST

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    On Mon, Feb 26, 2001 at 04:39:58PM -0500, Jose Nazario wrote:
    > 3] move to xinetd or other similar programs which have rate limiting.
    > solar designer has a neat-o patch for xinetd that can do max-per-IP
    > limits. very nice ... :)

    FreeBSD's inetd has a selection of features like like this (maximum
    number of invocations of a service, max number of invocations per
    minute and the max number of invocations per minute per ip).

    I think these features must be relatively recent additions to inetd
    'cos the syntax for them is slightly different in FreeBSD and
    OpenBSD. (A little poking around CVS trees shows that the max-child
    feature was originally added in NetBSD 1993 and added to FreeBSD
    in 1996. The overall rate limit and rate/ip limit may have originated
    in FreeBSD at a later date - possibly cogged from xinetd.)

            David.