[Dshield] Should I be concerned about this?

Tony Carothers tony.carothers at lifestreamtech.com
Thu Jun 27 16:29:19 GMT 2002


Check for an application called "Chaincast", it is a virtual multicast
router that relays multicast from your box to other users.  When you listen
to some radio stations or broadcasts, they require you to install it.  The
fine print says other users can use YOUR pipe to receive the multicast.

-----Original Message-----
From: Mercy [mailto:Mercymail at mindspring.com]
Sent: Wednesday, June 26, 2002 4:58 PM
To: list at dshield.org
Subject: Re: [Dshield] Should I be concerned about this?


Hi & Thanks...

I don't think i'm using any multicast-aware sofware.  Not sure though.

My husband's computer is networked to my DSL router.  We're not networked
computer to computer... just through the DSL.

Could I be picking up things from him?  But, he doesn't use it very often.
(I'm the internet addict in the family lol)

Mercy
----- Original Message -----
From: "E.B. Dreger" <eddy+public+spam at noc.everquick.net>
To: "DS mailing list" <list at dshield.org>
Sent: Wednesday, June 26, 2002 12:36 AM
Subject: Re: [Dshield] Should I be concerned about this?


> M> Date: Tue, 25 Jun 2002 20:34:33 -0400
> M> From: Mercy
>
> (snipped throughout)
>
>
> M> "The firewall has blocked routed traffic from 68.71.167.143 to
> M> 222.174.130.106 (IP Protocol 117).
>
> IP protocol 117 == interactive agent transfer protocol
>
> I don't offhand know of anything using it.  Note that 222.... is
> a class D multicast address.  Do you know if you're running any
> multicast-aware software?
>
>
> M> "ZoneAlarm blocked an incoming data packet that was addressed
> M> to port 0 on another computer. The packet was either
>
> Same warning?  I don't know that protocol 117 even has ports. :-)
> But, then, I don't know anything about IP/117.
>
>
> M> This alert generally occurs either as a result of random
> M> routing problems on the Internet or a configuration issue on a
>
> Random routing problems are rare.  There'd need to be some funky
> ARP trouble to cause a "configuration issue", too.
>
> Mercy, does your provider support multicast?  Have you any other
> computers connected to the same network?  What software do you
> have running?
>
>
> M>      traceroute 68.71.167.143
> M>
> M>       3    206.117.161.1    8.015 ms   DNS error [AS226] .....
>
> BGP-aware traceroute.... mmmm....
>
>
> Eddy
> --
> Brotsman & Dreger, Inc. - EverQuick Internet Division
> Bandwidth, consulting, e-commerce, hosting, and network building
> Phone: +1 (785) 865-5885 Lawrence and [inter]national
> Phone: +1 (316) 794-8922 Wichita
>
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