Re: How to limit maximum number of TCP connections

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On 06/29/2012 12:32 PM, Tim wrote:
> On Thu, 2012-06-28 at 09:21 -0700, Rick Stevens wrote:
>> I agree the OP's client has got a weird idea as to limiting access,
>> but perhaps they feel their uplink is too small to handle more
>> connections. There is a lot of education that's required here with the
>> client.
> But that's never going to work.  Thus far, none of the information in
> this thread has made any sense.  The requirement is ludicrous and
> impractical, so either the client's request is stupid, or misunderstood
> by the original poster.
>
> Limiting the number of clients is useless as a bandwidth limit, likewise
> with limiting the number of connections.  A client could have one or a
> hundred connections, at any one time.  One client could swamp your
> entire available bandwidth, or your bandwidth could be enough to supply
> a couple of hundred clients (it depends on what they're doing with it).
> Also, one connection could max out your connection, or hundreds of
> connections might be barely noticeable (again, it depends on what you're
> doing with them).
>
> All this is going to achieve is breakage.  It'd denial-of-service some
> clients that are actually trying to work, perhaps even DOS something
> that's central to all the clients, and put the whole network into
> failure, in one go.
>

If course you are ignoring one thing.  The OP isn't asking "how" he can solve "a"
problem (undefined).  He is asking "how" he can implement a "solution" (poorly
defined).  A "solution" to which he "can't" say no to.  :-) :-)


-- 
Never be afraid to laugh at yourself, after all, you could be missing out on the joke
of the century. -- Dame Edna Everage
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