07-07-2004, 13:00
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#1
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Inactive
Join Date: Mar 2004
Services: BB:M, TV:XL, Phone:M, Loyalty
Posts: 2,516
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New DCHP Address
RM14 area
If you're running ultra-tight firewall rules (to prevent DHCP spoofing), then you may fall foul.
Now 10.185.6.129 - WAS 10.0.106.70-71
Are they still doubled, and if so, is the other one 128 or 130 ?
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07-07-2004, 16:27
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#2
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Inactive
Join Date: Jun 2003
Location: Poole, Dorset
Age: 94
Services: TV L Phone M BBand M
2 x V+ Boxes
Posts: 23
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Re: New DCHP Address
BH12 area
Changed to 10.185.14.131 instead of 10.0.166.70/71
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07-07-2004, 20:10
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#3
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Permanently Banned
Join Date: Jun 2003
Location: South-East London
Age: 47
Services: Depends who's being serviced :p
Posts: 2,588
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Re: New DCHP Address
Quote:
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Originally Posted by Matth
RM14 area
If you're running ultra-tight firewall rules (to prevent DHCP spoofing), then you may fall foul.
Now 10.185.6.129 - WAS 10.0.106.70-71
Are they still doubled, and if so, is the other one 128 or 130 ?
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The other one would be .130 sir 
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07-07-2004, 20:43
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#4
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Inactive
Join Date: Mar 2004
Services: BB:M, TV:XL, Phone:M, Loyalty
Posts: 2,516
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Re: New DCHP Address
Thanks, from the look of it, 10.185.x.x would do (and 10.0.x.x for the old ones) unless spoofed source addresses are likely - and in that case, they could spoof the RIGHT source address anyway - like everything, it's a compromise - if you hamstring everying with really tight rules, then you have to keep correcting them.
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08-07-2004, 08:25
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#5
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R.I.P.
Join Date: Jun 2003
Location: London
Services: 20Mb VM CM, Virgin TV
Posts: 5,983
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Re: New DCHP Address
10.185.x.x is a fairly big range - I run a bunch of kit on it, so if you want to put it in your firewalls it's all right by me.
I think there ought to be a list made of all the new DHCPs and you can pick your local area (they're in logical groups).
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08-07-2004, 16:26
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#6
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Inactive
Join Date: Mar 2004
Services: BB:M, TV:XL, Phone:M, Loyalty
Posts: 2,516
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Re: New DCHP Address
Quote:
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Originally Posted by BBKing
10.185.x.x is a fairly big range - I run a bunch of kit on it, so if you want to put it in your firewalls it's all right by me.
I think there ought to be a list made of all the new DHCPs and you can pick your local area (they're in logical groups). |
But YOUR private 10.x range should not be routing to anywhere else, as anything that leaves your broadband router, should have a public source address.
You COULD spoof a private IP source address on a sent packet, but there would be no way of getting a reply.
Especially with the significance of the 10.x range in the NTL network, I would hope that they have border controls against spoofed packets.
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08-07-2004, 21:04
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#7
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R.I.P.
Join Date: Jun 2003
Location: London
Services: 20Mb VM CM, Virgin TV
Posts: 5,983
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Re: New DCHP Address
Quote:
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But YOUR private 10.x range should not be routing to anywhere else, as anything that leaves your broadband router, should have a public source address.
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I was referring to my work network, not my home network. I'm very possessive about it
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08-07-2004, 22:51
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#8
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Dr Pepper Addict
Cable Forum Team
Join Date: Oct 2003
Location: Nottingham
Age: 62
Services: Aquiss FTTP (900M), Sky Q TV, Sky Mobile, Flextel SIP
Posts: 29,623
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Re: New DCHP Address
Quote:
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Originally Posted by BBKing
I think there ought to be a list made of all the new DHCPs and you can pick your local area (they're in logical groups).
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If someone supplies it - I will stick it in the knowledgebase.
__________________
 Baby, I was born this way.
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