Re: Flood ping

Gerhard Mack (gmack@imag.net)
Thu, 24 Sep 1998 15:17:58 -0700 (PDT)

Anyone considered the fact that this could be a safety feature there to
keep outside attackers from eating CPU time ?
Fact is I prefer it this way, why bother putting in a check for localhost?
I've seen some interesting spoofs to make it look like the packet came
from localhost...

Gerhard

On Thu, 24 Sep 1998, Michael L. Galbraith wrote:

> On Thu, 24 Sep 1998, George wrote:
>
> >
> > Anyone tried flood pinging localhost lately?
> >
> > With Linux 2.1.122 SMP (2xPentium 133) I get:
> >
> > --- localhost ping statistics ---
> > 38831 packets transmitted, 781 packets received, 97% packet loss
> > round-trip min/avg/max = 0.6/103.7/331.4 ms
>
> ping -f on 122 UP (P150MMX) doesn't act sane either.
>
> --- localhost ping statistics ---
> 150208 packets transmitted, 766 packets received, 99% packet loss
> round-trip min/avg/max = 1.4/190.3/373.7 ms <== -pg -g
>
> However...
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MULTICAST MTU:3924 Metric:1
> RX packets:577188 errors:0 dropped:0 overruns:0 frame:0
> TX packets:577188 errors:0 dropped:0 overruns:0 carrier:0 collisions:0
>
> Strace and tcpdump (glance) look like all is groovy.
>
> -Mike
>
>
> -
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--
Gerhard Mack
irc-admin skyline.starchat.net
	
gmack@imag.net
InnerFIRE@starchat.net


As a computer I find your faith in technology amusing.






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