This shouldn't be on exim-users, but:
On Wed, Aug 14, 2002 at 09:58:33AM +0200, Jan Johansson wrote:
> > To my knowledge it's a violation of certain
> > applicable RFC's NOT to return an ICMP echo request
> Uhm, no. Hosts are definitely not required to return anything. It's
> recommended, but not required.
| 1122 Requirements for Internet Hosts - Communication Layers. R.
| Braden, Ed.. October 1989. (Format: TXT=295992 bytes) (Also STD0003)
| (Status: STANDARD)
S.3.2.2.6 (Page 42)
| 3.2.2.6 Echo Request/Reply: RFC-792
|
| Every host MUST implement an ICMP Echo server function that
| receives Echo Requests and sends corresponding Echo Replies.
| A host SHOULD also implement an application-layer interface
| for sending an Echo Request and receiving an Echo Reply, for
| diagnostic purposes.
|
| An ICMP Echo Request destined to an IP broadcast or IP
| multicast address MAY be silently discarded.
So, uhm, no. Hosts *are* definitely required to return something. It's
required, you see the "MUST" in the first line of the quoted section?
But this is entirely irrelevant to Ralf's problem.
MBM
--
Matthew Byng-Maddick <mbm@???> http://colondot.net/
