You've got an old version of ipfwadm, which doesn't know how to handle
ICMP packets. I don't know if there is a new version. But you can use
netstat -M instead (net-tools 1.33 or higher).
Slawek
On Tue, 14 Apr 1998, David A. Ranch wrote:
>
> Hey Everyone..
>
> Welp.. I think I've tracked down a problem here with Redhat5's IPFWADM.
>
> I've found that if I setup MASQ on a Redhat5 box with all of the
> recent patches, it works fine and the output of the MASQ entries
> from IPFWADM table looks good:
>
> [root@trinity ipfwadm-2.3.0]# ipfwadm -lM
> IP masquerading entries
> prot expire source destination ports
> udp 00:10.79 stimpy2.trinnet.net proxy.frmt1.sfba.home.com 1033 (61007) ->
> domain
> tcp 01:50.47 stimpy2.trinnet.net ftp.redhat.com 1051 (61008) -> ftp
>
>
> *BUT*.. as soon as I do an ICMP ping from a MASQ'ed box and then look
> at the table again, I get:
>
> [root@trinity ipfwadm-2.3.0]# ipfwadm -lM
> IP masquerading entries
> ipfwadm: unexpected input data
> Try `ipfwadm -h' for more information.
>
>
> So, I thought that this might be an issue with the timeout patch
> but low and behold, the stock IPFWADM code won't compile under
> Glibc v2. Now, Redhat has patched their code to make it compile
> under glibc so I grabbed ALL the sources and patches, recompiled
> successfully but it didn't solve a THING. Even after a
> reboot. Any ideas?
>
>
> --David
>
> (here is the source dir with ALL the patches that I used)
>
> -rw-r--r-- 1 root root 17982 Jul 30 1996 COPYING
> -rw-r--r-- 1 root root 4049 Jul 30 1996 ChangeLog
> -rw-r--r-- 1 root root 1544 Jul 30 1996 Makefile
> -rw-r--r-- 1 root root 3780 Jul 30 1996 README
> -rw-r--r-- 1 root root 19365 Jul 30 1996 ipfw.4
> -rwxr-xr-x 1 root root 26521 Apr 14 09:59 ipfwadm
> -rw-r--r-- 1 root root 2908 Apr 14 09:58
> ipfwadm-2.3.0-generic-timeout.patch
> -rw-r--r-- 1 root root 1176 Apr 14 09:57
> ipfwadm-2.3.0-glibc.patch
> -rw-r--r-- 1 root root 13022 Jul 30 1996 ipfwadm.8
> -rw-r--r-- 1 root root 53135 Apr 14 09:58 ipfwadm.c
> -rw-r--r-- 1 root root 52387 Apr 14 09:57 ipfwadm.c.orig
> -rw-r--r-- 1 root root 423 Jul 30 1996 ipfwadm.lsm
> .----------------------------------------------------------------------------.
> | David A. Ranch - Remote Access/Linux/PCs [EMAIL PROTECTED] |
> !---- ----!
> `----- For more detailed info, see http://www.ecst.csuchico.edu/~dranch -----'
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