Re: Port 53 need to be open for rDNS?

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How did they "set it up"?

Did they delegate authority to you, or configure the records yourself?

If you don't want to post it here, feel free to e-mail me your domain name,
and your ISP's name server.

Matt Gibson - GSEC


"Adam Butler" <adambutler100@xxxxxxxxxxx> wrote in message
news:OD0VExlNFHA.2736@xxxxxxxxxxxxxxxxxxxxxxx
> That is what I thought but ---
>
> Why after my ISP (SBC) setup rDNS on my statics do I now see tons of
> requests incoming on port 53 (DNS) in my firewall logs?
> They are all coming from various name servers but most from my ISP's name
> servers.
>
> Thanks,
> Adam
>
> "Matt Gibson" <mattg@xxxxxxxxxxxxxxx> wrote in message
> news:%23j3wbnlNFHA.2144@xxxxxxxxxxxxxxxxxxxxxxx
>> No.
>>
>> rDNS is handled by your ISP, and not by your SBS server.
>>
>> Matt Gibson - GSEC
>>
>> "Adam Butler" <adambutler100@xxxxxxxxxxx> wrote in message
>> news:%23EdSGDlNFHA.1040@xxxxxxxxxxxxxxxxxxxxxxx
>>> Hello,
>>> I'm trying to get rDNS to work on my public IP for my SBS 2k3 domain.
>>>
>>> My ISP says they setup rDNS 2 days ago.
>>>
>>> In my firewall logs (Zywall 10W) I can see many request coming in from
>>> name servers on port 53 but my firewall is blocking them from coming in
>>> only.
>>>
>>> Does port 53 need to be opened to my SBS box for the rDNS to work
>>> correctly?
>>> I have tried opening it to my server and then when I do an rDNS lookup
>>> at dnsstuff.com I get a SERVER FAILED message when it gets to my IP.
>>>
>>>
>>
>>
>
>


.

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