Date: 07 Jul 2003 14:23:21 -0500 From: Frank Knobbe <frank@knobbe.us> To: stacey@vickiandstacey.com Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Changed ISP now can't get to websites / traceroute Message-ID: <1057605801.552.61.camel@localhost> In-Reply-To: <1057603959.349.193.camel@localhost> References: <1057603959.349.193.camel@localhost>
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--=-JunYYCdFX8zUXKxnN/ae Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2003-07-07 at 13:52, Stacey Roberts wrote: > 2] Does anyone know of any reason why traceroute might fail on FreeBSD, > but work on Win2K Pro? Stacey, FreeBSD uses UDP based traceroute while Windows boxes use ICMP based traceroute. Some providers (like ComCast cable) block ICMP packets (so tracert on Windows fails), but let UDP packets through (which means that BSD based traceroute succeeds). HTH, Frank --=-JunYYCdFX8zUXKxnN/ae Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQA/Ccippo+MRgtrF98RAj77AKDN+S9Jrf7dhmfSKmm1gZM0zfzBhQCfVmS3 6bf5dgi5/upJhxVxRY3ZJMs= =GP3F -----END PGP SIGNATURE----- --=-JunYYCdFX8zUXKxnN/ae--
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