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IP Addresses
I have a Sygate firewall and, after intially finding out and allowing access to such IP addresses as my virus checker, I became suitably paranoid and said 'no' to everything else.
However, I have finally got around to looking further into one or two of the frequently occurring addresses and I'm now after a bit of advice.
Two, addresses, of the form 80.2.x.x, belong, I discovered, to 'Ntl Internet Bromley BIA Site' and 'Ntl Internet Baguley BIA site'. Why do these two sites regularly try to contact me and why does my saying 'no' every time seem have no effect on my ntl connection - are they of no importance?
Another frequent address is 239.255.255.250. Whois said that it was part of a block reserved for special purposes and to refer to RFC 3171. I Googled this RFC but, to be honest, it was so full of technical jargon that I hadn't the faintest idea what it was on about.
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