Re: Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack

[Herbert Xu]

Florian Weimer <fw@xxxxxxxxxxxxx> wrote:
> 
>>> TCP-MD5 has no effect on ICMP based attacks.,
>>
>> Hmm, good point. Which attacks, and what could be done about them? 
>> (other than IPsec protect all traffic between peers).
> 
> You just filter ICMP packets, in the way RST packets are already
> filtered (i.e. rate limit).

Rate-limiting has no effect on ICMP attacks unless your limit is such
that you're effectively dropping them all.  But then you get PMTU
problems...
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