AFAIK 239.0.0.0 is so-called administrative scope, and it has maximum ttl of 16, those packets should be blocked by routers on the borders of your organisation (i.e. _you_ should block them to comply to RFC) regards, Vitaly. ----- Original Message ----- From: "Joe" <joeat_private> To: <VULN-DEVat_private> Sent: Monday, May 07, 2001 10:20 PM Subject: Re: [VULN-DEV] 239.255.255.250 > On Mon, 7 May 2001, Jose Nazario wrote: > > > > available via the gateway). Even if you're ISPs routers let it > > > through, there are no routes on the backbones that can take it > > > anywhere, so the "public internet" is never going to see those > > > packets. > > > > that's odd, given i've watched mutlicast stuff from well afar of my local > > network, or my ISP's network. > > > > multicast is indeed routable. its not a reserved block (like 10/8, > > 192.168/16, or 172.16/12, RFC1918 address). please see the references > > listed below for more information. > > Open mouth, insert foot, echo internationally. I need more coffee before > reading mail. Ugh. > > -- > Joe Technical Support > General Support: supportat_private Blarg! Online Services, Inc. > Voice: 425/401-9821 or 888/66-BLARG http://www.blarg.net --------------------------------------------------------- Disclaimer: The information contained and transmitted in this email is confidential information, and is intended only for the named recipient to which it is addressed. The content of this e-mail may not have been sent with the authority of the company. If the reader of this message is not the named recipient or a person responsible for delivering it to the named recipient, you are notified that the review, dissemination, distribution, transmission, printing or copying, forwarding, or any other use of this message or any part of it, including any attachments, is strictly prohibited. If you have received this communication in error, please delete the e-mail and destroy all record of this communication. Thank you for your assistance. ---------------------------------------------------------
This archive was generated by hypermail 2b30 : Fri May 11 2001 - 03:20:12 PDT