Date: Thu, 29 Jul 2004 10:27:05 -0400 From: Hakim Singhji <Hakim.Singhji@nychhc.org> To: Hakim Z.Singhji <system-administrator@earthlink.net>, Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: HOWTO Ping LAN??? Message-ID: <20040729T102705Z_C5AF00120003@nychhc.org>
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--____RKELBDBJGGQNKOZZCEPT____ Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi Matt, You say that the only way I will be able to connect to my network is by = tunneling. =20 This is not what I want to do, I thought I may be able to SSH, Telnet, = www, etc.=20 from the outside to my default gateway and have the gateway pass SSH, = Telnet,=20 www., or any other request to the machine on the private network by = including the=20 "localhost.defaultgateway.domain.org" or something to that affect. Does NAT Overloading only go one way??? Hakim Z. Singhji Coordinating Mgr. / Infection Control 718-245-3923 hakim.singhji@nychhc.org >>> Matthew Seaman <m.seaman@infracaninophile.co.uk> 7/29/2004 5:32:32 AM = >>> On Thu, Jul 29, 2004 at 01:40:02AM -0400, Hakim Z. Singhji wrote: > Figure 1 >=20 > *************** > * Internet * > *24.199.1xx.xx* > *************** > ~ | > ~ | > *************** ************** > * Defaut GW * __ __ *Kids Machine* > *192.68.0.1 * *192.68.0.3 * > FreeBSD 4.10 * * Mandrake 10* > *************** ************** > ~ | > ~ | > ***************** > *Wrk Station1* > *192.68.0.2 * > *Redhat 9 * > ***************** >=20 > This is a rough diagram of the network... I would like to ssh, ping, > etc. the machines behind the default gateway directly (without > tunneling) from the outside the network (at work for example). Is this > possible and if so how do I config. Keep in mind that my default > gateway is FreeBSD. I know this may be a complicated project but if you > could help that would help me greatly. Many thanks to everyone in = advance. I'm afraid that's not going to be possible with your current network layout. If you want all of your machines to be accessible from the Internet, then you'll need routable addresses on all of your machines. I know you've said you don't want to use tunnelling, but unfortunately, that's the only way you can access a private address space as you have from outside it. A relatively simple way of doing that is to ssh into your gateway box, and use the '-L' or '-R' portforwarding options to create a tunnel to one of the internal machines, and then ssh or otherwise connect through that tunnel: see eg. http://www.linux.ie/articles/tutorials/ssh.php=20 One other point: you're going to have problems if you're using 192.168.0.0 as the IP number on your FreeBSD machine. That's the *network* address, and shouldn't be applied directly to any specific machine. If you're running your internal network using 192.168.0.0/24 as the address space, then you have 254 addresses (from 192.168.0.1 to 192.168.0.254) to use for client machines, since 192.168.0.0 (network address) and 192.168.0.255 (broadcast address) are reserved as part of the networking setup. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way PGP: http://www.infracaninophile.co.uk/pgpkey Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK --____RKELBDBJGGQNKOZZCEPT____ 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 MIILQwYJKoZIhvcNAQcCoIILNDCCCzACAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCCCSQw ggKsMIICFaADAgECAgMMuKcwDQYJKoZIhvcNAQEEBQAwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoT HFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBG cmVlbWFpbCBJc3N1aW5nIENBMB4XDTA0MDcyMDEzMzU1NFoXDTA1MDcyMDEzMzU1NFowgYcxEDAO BgNVBAQTB1NpbmdoamkxDjAMBgNVBCoTBUhha2ltMRYwFAYDVQQDEw1IYWtpbSBTaW5naGppMScw JQYJKoZIhvcNAQkBFhhoYWtpbS5zaW5naGppQG55Y2hoYy5vcmcxIjAgBgkqhkiG9w0BCQEWE3Np bmdoamloQG55Y2hoYy5vcmcwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAPJoZoR/CSJZ9Tt0 wmyG2WqsUMNU3JVAPc7WK0B3bxChEcOI/WbIBhuDDHtaqBe/5QoYBmcHe6cA6u3yNjP3cm+A56aX 85+Y/pcRpClPLR/DOALlyANabq8UQ25pBziaJFpNFav+unPMKq56Vw9vPv7Ya1aevZRzAuUimn5n 8D4hAgMBAAGjSjBIMDgGA1UdEQQxMC+BGGhha2ltLnNpbmdoamlAbnljaGhjLm9yZ4ETc2luZ2hq aWhAbnljaGhjLm9yZzAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBAUAA4GBADLwUJHcKv9hgmb4 YtT6wYzAWj1cAJhMCBODfNccxiEYqVrudtbnzQCwvWzRf5CpZOv2Z+lPeTKli+dmfkRv99/qpVl8 4kdrnKD6fqcN5ogfW7vRuRP7dIw53XKkkoaJYbsUOyvGIaBuTJTul2Tijl4q2zyxI7xQue9URGo7 UwgmMIIDLTCCApagAwIBAgIBADANBgkqhkiG9w0BAQQFADCB0TELMAkGA1UEBhMCWkExFTATBgNV BAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMRowGAYDVQQKExFUaGF3dGUgQ29u c3VsdGluZzEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjEkMCIGA1UE AxMbVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIENBMSswKQYJKoZIhvcNAQkBFhxwZXJzb25hbC1m cmVlbWFpbEB0aGF3dGUuY29tMB4XDTk2MDEwMTAwMDAwMFoXDTIwMTIzMTIzNTk1OVowgdExCzAJ BgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2VydmljZXMg RGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkGCSqGSIb3 DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw gYkCgYEA1GnX1LCUZFtx6UfYDFG26nKRsIRefS0Nj3sS34UldSh0OkIsYyeflXtL734Zhx2G6qPd uc6WZBrCFG5ErHzmj+hND3EfQDimAKOHePb5lIZererAXnbr2RSjXW56fAylS1V/Bhkpf56aJtVq uzgkCGqYx7Hao5iR/Xnb5VrEHLkCAwEAAaMTMBEwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0B AQQFAAOBgQDH7JJ+Tvj1lqVnYiqk8E0RYNBvjWBYYawmu1I1XAjPMPuoSpaKH2JCI4wXD/S6ZJwX rEcp352YXtJsYHFcoqzceePnbgBHH7UNKOgCneSa/RP0ptl8sfjcXyMmCZGAc9AUG95DqYMl8uac LxXK/qarigd1iwzdUYRr5PjRzneigTCCAz8wggKooAMCAQICAQ0wDQYJKoZIhvcNAQEFBQAwgdEx CzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEa MBgGA1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkGCSqG SIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMzA3MTcwMDAwMDBaFw0x MzA3MTYyMzU5NTlaMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAo UHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQTCB nzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAxKY8VXNV+065yplaHmjAdQRwnd/p/6Me7L3N9Vvy Gna9fww6YfK/Uc4B1OVQCjDXAmNaLIkVcI7dyfArhVqqP3FWy688Cwfn8R+RNiQqE88r1fOCdz0D viv+uxg+B79AgAJk16emu59l0cUqVIUPSAR/p7bRPGEEQB5kGXJgt/sCAwEAAaOBlDCBkTASBgNV HRMBAf8ECDAGAQH/AgEAMEMGA1UdHwQ8MDowOKA2oDSGMmh0dHA6Ly9jcmwudGhhd3RlLmNvbS9U aGF3dGVQZXJzb25hbEZyZWVtYWlsQ0EuY3JsMAsGA1UdDwQEAwIBBjApBgNVHREEIjAgpB4wHDEa MBgGA1UEAxMRUHJpdmF0ZUxhYmVsMi0xMzgwDQYJKoZIhvcNAQEFBQADgYEASIzRUIPqCy7MDaNm rGcPf6+svsIXoUOWlJ1/TCG4+DYfqi2fNi/A9BxQIJNwPP2t4WFiw9k6GX6EsZkbAMUaC4J0niVQ lGLH2ydxVyWN3amcOY6MIE9lX5Xa9/eH1sYITq726jTlEBpbNU1341YheILcIRk13iSx0x1G/11f ZU8xggHnMIIB4wIBATBpMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGlu ZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBD QQIDDLinMAkGBSsOAwIaBQCggdUwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0B CQUxDxcNMDQwNzI5MTAyNzA0WjAjBgkqhkiG9w0BCQQxFgQUdgdVRxp0drY0fO1JZ9lK8fpTTBgw dgYJKoZIhvcNAQkPMWkwZzANBggqhkiG9w0DAgIBKDAKBggqhkiG9w0DBzAOBggqhkiG9w0DAgIC AIAwCgYIKoZIhvcNAwQwDQYIKoZIhvcNAwICAUAwBwYFKw4DAgcwDQYIKoZIhvcNAwICATgwBwYF Kw4DAhowDQYJKoZIhvcNAQEBBQAEgYAHdwxnfepAJ0zu9pJE9ydyaFDMG3XNz0hgCv1FrC7vw5di jlTeXR0Mb8tX3f/uYCpNKdTjZDhJV9NeKbIO+BkgW4RiInse8lFgSi/e9EbDOKchtUijVY4E/7PV ACq4AeIZxu1aA4ydgxXcolDPVJJCjLlHOKRTCb+IvtJd5NNt2w== --____RKELBDBJGGQNKOZZCEPT____--
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