Cox allowed recursive lookups and non-auth responses which opens their servers up to DNS cache poisoning. You can use opendns.com - or another of the free DNS servers? Just configure your network to allow only port 53 to/from that site. (503)754-4452 Blackberry || Obnosis.com || iCrossing.com > Date: Thu, 14 Aug 2008 08:22:06 -0700 > From: plug@rwcinc.net > To: plug-discuss@lists.plug.phoenix.az.us > Subject: Re: DNS wierdness and cox communications > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > The recent DNS fix forcing port randomization can also be a culprit. > > Matrix Mole wrote: > | I'd say it's guaranteed cox. I'm having exact same problems and cox is > | the only provider involved. I've a fried who lives about two streets > | over from me, again having the same problems. Unfortunately, I've > | called cox and they basically are telling me it's my computer (all 7 > | of them in my house) that are at fault, cause nothing on their network > | could cause that behavior. When I mentioned to them that others I've > | heard of were having these problems they were like "Oh, if that were > | the case we'd have a lot more calls, and we don't" then they dismissed > | me. I'm calling back tomorrow and going to talk to a manager and see > | if maybe I can get someone to accept they've screwed something up in > | their network and need to fix it. > | > | On Mon, Aug 11, 2008 at 4:56 AM, Technomage Hawke > | wrote: > |> yeah... could be just my connection..... in diverse places on cox (and > |> from what I see, also on qwest). someone suggested a possible routing > |> issue as well (more than likely the case). > |> > |> one other possible thought, the root DNS servers may not be accepting > |> connections from jus "anybody". > |> > |> ASU's DNS servers are actually located within the qwest ip space. > |> > |> I have tried other DNS servers with variable results. I might have to > |> break out wireshark and see if I am getting connection resets on that > |> port. and run some tests with my clients over this week. > |> > |> anyway, I don't have enough available info to call it as a cox or a > |> qwest specific issue. > |> > |> > |> On 8/10/08, James Mcphee wrote: > |>> If you're experiencing issues, then set up a job to query Cox and > Qwest's > |>> and whoever's DNS servers at the same time and log it. See if > you're seeing > |>> a trend. It could just be your connection. > |>> > |>> > |>> On Sun, Aug 10, 2008 at 12:07 AM, Craig White > |>> wrote: > |>>> On Sat, 2008-08-09 at 23:39 -0700, Technomage Hawke wrote: > |>>>> Over the last few weeks, I have noticed an increasing number of > |>>>> customer calls about network outages. Now on the surface, this might > |>>>> not seem all that relevant, However, these issues are not just windows > |>>>> centric. > |>>>> > |>>>> I have discovered a pattern to the outage problems I have been > |>>>> troubleshooting. it seems that cox is filtering dns traffic to anyone > |>>>> outside their own ip space. any attempt to use a DNS root server or > |>>>> even the ASUdns servers results in many pages not being resolved. as > |>>>> soon as I set for the cox dns servers, all seems to work again. > |>>>> > |>>>> anyone else noticing this "filtering" on cox's part? > |>>> ---- > |>>> no - it makes no sense, you can always test your theory out at any time > |>>> you want by running commands such as dig and host and if you really > |>>> care, you could run your own caching dns server which would obviously > |>>> need to access other dns servers to be worthwhile. > |>>> > |>>> Craig > |>>> > |>>> > |>>> > |>>> > |>>> --------------------------------------------------- > |>>> PLUG-discuss mailing list - > |>> PLUG-discuss@lists.plug.phoenix.az.us > |>>> To subscribe, unsubscribe, or to change your mail settings: > |>>> > |>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > |>> > |>> > |>> -- > |>> James McPhee > |>> jmcphe@gmail.com > |>> > |>> --------------------------------------------------- > |>> PLUG-discuss mailing list - > |>> PLUG-discuss@lists.plug.phoenix.az.us > |>> To subscribe, unsubscribe, or to change your mail settings: > |>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > |>> > |> --------------------------------------------------- > |> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > |> To subscribe, unsubscribe, or to change your mail settings: > |> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > |> > | --------------------------------------------------- > | PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > | To subscribe, unsubscribe, or to change your mail settings: > | http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > | > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.9 (Cygwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkikTZ4ACgkQIFnqWH4u/3OFPQCfYfh/ahJFU5+pZ0VaehSLAHtR > QUoAnjs+nEV/eAS2h150Y5Fy1ALE70EZ > =RMKX > -----END PGP SIGNATURE----- > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss _________________________________________________________________ See what people are saying about Windows Live. 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