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Re: traceroute & ping fail

On Sun, Oct 01, 2000 at 04:04:36PM -0500, William Jensen wrote:
> An update to myself...in case others are having this problem:
> I added the following rule to my script:
> $IPT -A INPUT -p icmp --icmp-type 0 -j ACCEPT
> My understanding is now the box will accpet 'echo replies' that I would generate
> by 'ping debian.org'.  I then went to another pc on the net and tried to ping
> my own box and it still just drops the packets. (which I want)  Can anyone see
> anything wrong with what I've done?

I don't think 'echo reply' is --icmp-type 0.  Do a /sbin/ipchains -h icmp.
To get icmp replies, enable pong:
/sbin/ipchains -A input -p icmp --icmp-type pong -j ACCEPT 
(not sure what the numerical value for pong is)

email: john@fjellstad.org                   Quis custodiet ipsos custodes
icq: thales @ 17755648

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