Date: Thu, 26 Sep 2002 09:49:04 -0700 From: Lars Eggert <larse@ISI.EDU> To: David Zimmer <david.zimmer@zimmer-medienhaus.de> Cc: freebsd-ipfw@freebsd.org, freebsd-net@freebsd.org, dominik.brettnacher@zimmer-medienhaus.de Subject: Re: Forwarding selected broadcasts with ipfw Message-ID: <3D933A80.7070208@isi.edu> References: <fc.0073f94100281ab80073f94100281ab8.281ae2@zimmer-medienhaus.de>
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This is a cryptographically signed message in MIME format. --------------ms000801050701030508060001 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit David Zimmer wrote: > 1. I introduced a rule that should forward the packets, this rule looks > like > > fwd 212.88.130.135 udp from any to 255.255.255.255 19813 > > 2. The incoming packets match this rule according to the output of ipfw > show > > 3. The forwarded packet never gets out onto any interface though, > according to tcpdump What's the TTL on the broadcast packets? Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms000801050701030508060001 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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