Re: What can I do to UNDERSTAND why I can't reach centos.org (but everyone else can)?

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On 01/03/13 09:56, Les Mikesell wrote:
>>> Someone suggested I might be on a blacklist, somehow, and that, at least,
>>> would make technical sense.
>>
>> You could try checking something like
>>
>>          http://multirbl.valli.org/
>>
>> to rule out blacklisting as the issue.
>
> The only blacklists I know about involve mail and require the
> receiving machines to actively choose to do lookups and reject based
> on the result.  Nothing should be dropping/blocking other types of
> traffic.

Very true. I thinking that if he _was_ on an email blacklist, then his 
network might _also_ have been flagged as bad (by something else). 
Because I didn't know about ...

> There are an assortment of 'looking glass' sites on the
> internet where you can originate traceroutes and check that BGP routes
> for source and targets are being propagated.
> This seems to be a directory of those sites: http://www.lookinglass.org/

Hey, that is very cool.  Did not know such a thing existed.

Thanks for pointing that out ;-)

K

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