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## 9. Appendix: Using the ipfwadm-wrapper script.

The `ipfwadm-wrapper` shell script should be a plug-in replacement of `ipfwadm` for backwards compatibility with ipfwadm 2.3a.

The only feature it can't really handle is the `-V' option. When this is used, a warning is given. If the `-W' option is also used, the `-V' option is ignored. Otherwise, the script tries to find the interface name associated with that address, using `ifconfig`. If that fails (such as for an interface which is down) then it will exit with an error message.

This warning can be suppressed by either changing the `-V' to a `-W', or directing the standard output of the script to /dev/null.

If you should find any mistakes in this script, or any changes between the real ipfwadm and this script, please report a bug to me: send an EMail to rusty@linuxcare.com with "BUG-REPORT" in the subject. Please list your old version of `ipfwadm` (`ipfwadm -h`), your version of `ipchains` (`ipchains --version`), the version of the ipfwadm wrapper script (`ipfwadm-wrapper --version`). Also send the output of `ipchains-save`. Thanks in advance.

Mix `ipchains` with this `ipfwadm-wrapper` script at your own peril.

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