Date: Tue, 26 Apr 2005 07:41:57 +1000 From: Matthew Sullivan <matthew@uq.edu.au> Cc: freebsd-current@freebsd.org Subject: Re: DF (Don't frag) issues Message-ID: <426D6425.6080209@uq.edu.au> In-Reply-To: <426D6041.6070103@uq.edu.au> References: <426426AE.2060406@uq.edu.au> <42663EA1.3020409@uq.edu.au> <20050424150211.GA87520@walton.maths.tcd.ie> <426BC78A.3E56D99B@freebsd.org> <426C1600.106@uq.edu.au> <426D2307.97D15253@freebsd.org> <426D306B.7010000@freebsd.org> <426D6041.6070103@uq.edu.au>
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This is a cryptographically signed message in MIME format. --------------ms040900010304090402040500 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Matthew Sullivan wrote: > Andre Oppermann wrote: > >> Andre Oppermann wrote: >> >>> Matthew Sullivan wrote: >> >> >> > >> >>>> 2/ The bug itself is also a problem, as it cannot be guarenteed >>>> that the >>>> host returning the ICMP 'need frag' will fill in a suggested mtu, so >>>> that also needs to be looked at (but I guess you know that already >>>> ;-)) >>> >>> >>> >>> I'm testing a fix right now. Unfortunatly the whole situation is a lot >>> more complex than thought at first. While stepping through the code >>> I found some other incorrect assumptions. >> >> >> >> Ok, I've put up a patch that should fix all issues: >> >> http://www.nrg4u.com/freebsd/icmp_df_pmtu-20050425.diff > > > > got no such file or directory. > odd went to the directory and found the file ... got it now... > Assume you want me to patch the firewall (vpn terminator) with this....? Regards, -- Matthew Sullivan Specialist Systems Programmer Information Technology Services The University of Queensland --------------ms040900010304090402040500 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 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIG7DCC A3IwggJaoAMCAQICASowDQYJKoZIhvcNAQEEBQAwgaMxCzAJBgNVBAYTAkFVMRMwEQYDVQQI EwpRdWVlbnNsYW5kMREwDwYDVQQHEwhCcmlzYmFuZTElMCMGA1UEChMcVGhlIFVuaXZlcnNp dHkgb2YgUXVlZW5zbGFuZDEoMCYGA1UECxMfSW5mb3JtYXRpb24gVGVjaG5vbG9neSBTZXJ2 aWNlczEbMBkGA1UEAxMSQ2VydGlmaWNhdGUgU2VydmVyMB4XDTA0MDEyMTIzMzYyMVoXDTA2 MDEyMTIzMzYyMVowgbIxCzAJBgNVBAYTAkFVMSUwIwYDVQQKExxUaGUgVW5pdmVyc2l0eSBv ZiBRdWVlbnNsYW5kMScwJQYDVQQLEx5JbmZvcm1hdGlvbiBUZWNub2xvZ3kgU2VydmljZXMx FjAUBgoJkiaJk/IsZAEBEwZjY21hdHQxGTAXBgNVBAMTEE1hdHRoZXcgU3VsbGl2YW4xIDAe BgkqhkiG9w0BCQEWEW1hdHRoZXdAdXEuZWR1LmF1MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJB AJsUfrw/QUqKIzDverWc2F4GFFRZmIeO+bAl+7BM6x/9frMzOtygx4QGb4oQwtOE8Sda1aIs v+yJF3Di9EuUyvMCAwEAAaNoMGYwDgYDVR0PAQH/BAQDAgXgMBEGCWCGSAGG+EIBAQQEAwIF oDAfBgNVHSMEGDAWgBQmqtoyueiWTYZBinvsnzeOWLtUuzAgBgNVHREEGTAXgRVtYXR0aGV3 QGl0cy51cS5lZHUuYXUwDQYJKoZIhvcNAQEEBQADggEBAF2gZrkqZsZlHd4K/+yBN6qrpD61 hctDf7/Eg4jk6DMknEs6nvHMFUMZ4SXvkqPLnHBygTARKAs7qBSLd7mUUBOOQEgk6ovQVY6S 1CDSt3P9O6wjG0K1igtk8v6u7lkQ8p2STXqrOePVINdaucUgBO/IpeUtt9ATl1qvPTWyM/fz oUZsIKeYjNQVEQsuimrZjdbIAFxdl1fggSngUv64wBn8wCssGrPZIZA2lpBBEW1wejoWrDOH IIr+SspGd0i8MovDTMRSvgTERLki17FU/ANilcrSXiODKeIvpXhnQqVScnsoMSZmBmN2QIoG SnBjNK5mYxx5E3v20VOwtP1hVdEwggNyMIICWqADAgECAgEqMA0GCSqGSIb3DQEBBAUAMIGj MQswCQYDVQQGEwJBVTETMBEGA1UECBMKUXVlZW5zbGFuZDERMA8GA1UEBxMIQnJpc2JhbmUx JTAjBgNVBAoTHFRoZSBVbml2ZXJzaXR5IG9mIFF1ZWVuc2xhbmQxKDAmBgNVBAsTH0luZm9y bWF0aW9uIFRlY2hub2xvZ3kgU2VydmljZXMxGzAZBgNVBAMTEkNlcnRpZmljYXRlIFNlcnZl cjAeFw0wNDAxMjEyMzM2MjFaFw0wNjAxMjEyMzM2MjFaMIGyMQswCQYDVQQGEwJBVTElMCMG A1UEChMcVGhlIFVuaXZlcnNpdHkgb2YgUXVlZW5zbGFuZDEnMCUGA1UECxMeSW5mb3JtYXRp b24gVGVjbm9sb2d5IFNlcnZpY2VzMRYwFAYKCZImiZPyLGQBARMGY2NtYXR0MRkwFwYDVQQD ExBNYXR0aGV3IFN1bGxpdmFuMSAwHgYJKoZIhvcNAQkBFhFtYXR0aGV3QHVxLmVkdS5hdTBc MA0GCSqGSIb3DQEBAQUAA0sAMEgCQQCbFH68P0FKiiMw73q1nNheBhRUWZiHjvmwJfuwTOsf /X6zMzrcoMeEBm+KEMLThPEnWtWiLL/siRdw4vRLlMrzAgMBAAGjaDBmMA4GA1UdDwEB/wQE AwIF4DARBglghkgBhvhCAQEEBAMCBaAwHwYDVR0jBBgwFoAUJqraMrnolk2GQYp77J83jli7 VLswIAYDVR0RBBkwF4EVbWF0dGhld0BpdHMudXEuZWR1LmF1MA0GCSqGSIb3DQEBBAUAA4IB AQBdoGa5KmbGZR3eCv/sgTeqq6Q+tYXLQ3+/xIOI5OgzJJxLOp7xzBVDGeEl75Kjy5xwcoEw ESgLO6gUi3e5lFATjkBIJOqL0FWOktQg0rdz/TusIxtCtYoLZPL+ru5ZEPKdkk16qznj1SDX WrnFIATvyKXlLbfQE5darz01sjP386FGbCCnmIzUFRELLopq2Y3WyABcXZdX4IEp4FL+uMAZ /MArLBqz2SGQNpaQQRFtcHo6FqwzhyCK/krKRndIvDKLw0zEUr4ExES5ItexVPwDYpXK0l4j gyniL6V4Z0KlUnJ7KDEmZgZjdkCKBkpwYzSuZmMceRN79tFTsLT9YVXRMYIDQDCCAzwCAQEw gakwgaMxCzAJBgNVBAYTAkFVMRMwEQYDVQQIEwpRdWVlbnNsYW5kMREwDwYDVQQHEwhCcmlz YmFuZTElMCMGA1UEChMcVGhlIFVuaXZlcnNpdHkgb2YgUXVlZW5zbGFuZDEoMCYGA1UECxMf SW5mb3JtYXRpb24gVGVjaG5vbG9neSBTZXJ2aWNlczEbMBkGA1UEAxMSQ2VydGlmaWNhdGUg U2VydmVyAgEqMAkGBSsOAwIaBQCgggItMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJ KoZIhvcNAQkFMQ8XDTA1MDQyNTIxNDE1N1owIwYJKoZIhvcNAQkEMRYEFAjpRuxyUHJaF5Zo Jre+JFEUu/xYMFIGCSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCA MA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIG6BgkrBgEEAYI3EAQx gawwgakwgaMxCzAJBgNVBAYTAkFVMRMwEQYDVQQIEwpRdWVlbnNsYW5kMREwDwYDVQQHEwhC cmlzYmFuZTElMCMGA1UEChMcVGhlIFVuaXZlcnNpdHkgb2YgUXVlZW5zbGFuZDEoMCYGA1UE CxMfSW5mb3JtYXRpb24gVGVjaG5vbG9neSBTZXJ2aWNlczEbMBkGA1UEAxMSQ2VydGlmaWNh dGUgU2VydmVyAgEqMIG8BgsqhkiG9w0BCRACCzGBrKCBqTCBozELMAkGA1UEBhMCQVUxEzAR BgNVBAgTClF1ZWVuc2xhbmQxETAPBgNVBAcTCEJyaXNiYW5lMSUwIwYDVQQKExxUaGUgVW5p dmVyc2l0eSBvZiBRdWVlbnNsYW5kMSgwJgYDVQQLEx9JbmZvcm1hdGlvbiBUZWNobm9sb2d5 IFNlcnZpY2VzMRswGQYDVQQDExJDZXJ0aWZpY2F0ZSBTZXJ2ZXICASowDQYJKoZIhvcNAQEB BQAEQElpxnCNVy8Mreb9iTNSCxas86RJUCfqAkDSAk40bYm5uZ/fc3Yn8WetEERsVQ4Pp75J 9qXzcKh/8A4olIvRrtAAAAAAAAA= --------------ms040900010304090402040500--
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