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Old 18-04-2008, 20:20   #65
kt88man
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Re: No internet connectivity when phorm.com is blocked (split from monster phorm thre

Quote:
Originally Posted by Fobic View Post
I'm getting the same behaviour with Comodo.

I _think_ it's to do with the phorm.com hostname resolving to multiple IPs :-
88.208.250.66
88.208.250.85 and
207.44.186.90

I suspect Comodo isn't blocking the individual IPs, it's blocking the whole range from 88.208.250.66 to 207.44.186.90 - which encompasses the VM DNS servers (were your alternate DNS servers outside this range ?) and also the modem config page (192.168.100.1).

I tested this by blocking news.ntli.net (resolves to 62.253.170.163 and 80.5.182.99) and that stops me accessing www.google.co.uk (uses IPs 64.233.167.##) and www.namesdatabase.com (IP = 67.129.97.31) but DNS still works as does the modem config page and most other web pages.

Not an exhaustive test , but i think that's the problem.

BTW, adding the 3 individual IPs that phorm.com resolves to (not as a range!!) does block phorm.com without the adverse effects.
Well done that man... That looks a very plausible reason...
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