Re: [tlug] Ping vs www server

[Brett Robson <tlug@example.com>]

Josh Glover wrote:
> On 18/04/2008, SL Baur <steve@example.com> wrote:
>
>   
> > On 4/17/08, Josh Glover <jmglov@example.com> wrote:
> >
> >  > Yes, I do. I consider turning off ICMP a good tradeoff,
> >
> > It used to be that that was fairly stupid practice as it hamstrung the higher
> >  level protocols - there's a lot more to ICMP than ECHO, or at least there
> >  used to be.
> >     

Blocking ICMP 3 and 11 will break things, especially in Japan with PPPOE 
being ubiquitous.

ICMP 4 (source quench) isn't strictly required but certainly makes you a 
good neighbour.


Brett