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How ISPs will assign IPs /subnets for end users in IPv6
Consider two scenarios: The end user has a simple computer, dual-stack The end user has a LAN behind a dual-stack router How will ISPs differentiate each one of these kind of users in IPv6? An user in...
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Changing Servers – Redirect to new IP = No Downtime?
I am changing servers of my website. The IP of old server cannot be moved to the new one. To have no downtime I am planing to do the following, please someone confirm it will work: Setup the new...
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File download speed issue over a dedicated fibre link
My ISP has installed a fibre based dedicated internet connection at the place where I work. In the beginning the connection terminated at one of the ISP’s core routers. It resulted in a strange issue....
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Are ASNs tied to one location/router/physical point?
I am trying to understand how BGP works, and is looking at ways to identify if my ISP is having bottlenecks/slowdowns/dos attacks at thier upstream ISPS. I have a bunch of ASN numbers that I can...
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What is a DSLAM5048G?
My local internet provider is talking about DSLAM5048G. What is DSLAM5048G ? Asked by Semi Its a really low end, cheap (and crappy) broadband access point. Answered by Chopper3 Check more discussion...
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Load balancing ISPs on Ubuntu Server
I have a Dell server with Ubuntu 11.10 Server installed on it. The server has 3 Ethernet cards eth0, eth1 and eth2. I have two ISPs say ISP1, ISP2 eth0 has a public IP (provided by ISP1 – we require...
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Can ISPs see which IP that has been assigned to a customer in each others...
Is there some sort of shared knowledge between ISPs that make them able to see which customer an IP has been given to, no matter which ISP the IP belongs to? I.e. is someone that is an ISP able to see...
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Does SSL encrypt the IP
I am building a personal server. I want to be able to access this server from anywhere, and I don’t want this server to get blocked. It is my understanding that HTTPS encrypts my traffic, but I also...
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How drastically can a public IP change?
On ISP level, is it commonly limited to some subnet mask? Is it possible or rare for an ISP to randomly change an IP’s first 2 bytes? Just as a bit of backstory, I’m trying to deter users from...
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Connecting two IPs like an URL
I haven’t found answer anywhere, so here comes the question. My ISP connected me to a router with thousands of other clients, so my public IP is the same as many others. And I want to make a small...
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