On Mon, Mar 18, 2002 at 02:33:34PM -0500, Peter Brezny wrote:
> Hi Everyone,
>
> Where can i find an explanation of the different icmp types.
>
> I ran across some standard firewall rulesets that say these types are
> required:
> # Allow required ICMP
> $fwcmd add allow icmp from a
less /usr/include/netinet/ip_icmp.h
The stuff that I think you want starts around line 135.
Looking at a copy of Stevens TCP/IP Illustrated vol. 1 might also
help, but I always just read the header file to find out what's what.
--eli
In reply to "Peter Brezny" <[EMAIL PROTECT
Hi Everyone,
Where can i find an explanation of the different icmp types.
I ran across some standard firewall rulesets that say these types are
required:
# Allow required ICMP
$fwcmd add allow icmp from any to any icmptypes 3,4,11,12 keep-state
And now I've got a cisco router that
