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Questions tagged [ipv4]

IPv4 is the "old style" IP protocol currently used in most circumstances.

IPv4 is the protocol which has been in use since the early 1980s, described in IETF publication RFC791. It gets gradually replaced with nowadays as the IPv4 addresses become exhausted.

More information at http://en.wikipedia.org/wiki/Ipv4

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About my ISP give me a static IPV6 how can i use it and what it mean

Hello guys I got a problem with IPV6 that my ISP give me. I don't really familiar with the IPV6 and this is the info that he gave me. 2001:0E68:5845:7500::/56 2001:0E68:5810:0B23::/64 what are those mean? can I use it to host a web server? can I use…
Adrian Katong
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Ipv4 and IPv6 Calculating in binary

IPv4 would have a value of ? in binary (show all 4 bits, even if they are 0s) and 0x ? in hex (1 hex character). IPv6 would have a value of ? in binary (show all 4 bits, even if they are 0s) and 0x ? in hex (1 hex character). How would I calculate…
Adina
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How to highlight IPv4 address in iTerm

A friend recently destroyed a server because he mistyped an IP address, and we thought: how could we make IP addresses clearer to the eye in our day to day Terminal use. We mostly work from MacOS and use iTerm and connect to remote servers. How it…
leonardo
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Can you have multiple ESXIs with multiple VMs all using the same subnet without a physical router between a switch and the ESXI hosts/VMs?

We will assume the following for the example: a IPv4 class C (routable real world IP addresses) 2 physical servers (ESXI hosts) multiple VMs on each server with IP addresses on the same subnet I am wanting to know if it is possible and will the…
Brian C
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How is IP splitted?

I was reading about IP and how it actually saves 2 datas: Network and Host. But there are few things which aren't that clear to me. What is an example of network? Is each home with its own router considered one network? Or one of those large…
john
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Best practice to support IPv6 for already running site?

Recently a friend of mine moved his site to new hosting, and it was Linode (at Newark), which offered IPv6 as well as IPv4. As we all know the latest fashion is to support IPv6, so he enabled it on server and added corresponding AAAA-records, and…
Alexander
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How to convert a multicast address string to in_addr or in_addr6

I'm writing a program where a datagram socket should be able to receive multicast datagrams. I already found out that before a host can receive IP multicast datagrams, the host must become a member of one, or more IP multicast groups with a…
mab0189
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nodejs api works only from host machine not from other devices

I am trying to access node js api which works on host/localhost machine. While accessing from other devices using ngrok or IPv4 link it shows UI of the website correctly but the API doesn't works functionally(e.g. user login). By clicking Login…
Sudhir S Pawar
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Regex fails to correctly parse IPv4 inputs

I am trying to build an IPv4 regex in Python. This is what I have: r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}' And these are the inputs it misclassified: Input: "172.316.254.1" Output: true Expected Output: false Input: "1.1.1.1a" Output: true Expected…
Onur-Andros Ozbek
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how to get device IP which is connected to wifi in .net core 3.1

We use IHttpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString() to get IP of the device sending request. But when the device is connected to WIFI, we get the WIFI IP. Instead, i would like to get the device IP. How to do it in .net…
Raj
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How can AWS use public IPV4 address range for a VPC and assign them as private IP addresses to its resources like EC2s

We all know that there are reserved IP range CIDR from the entire pool of IPV4 address range that is 2^32 (0.0.0.0 and 255.255.255.255) and that range includes 10.0.0.0/8 (10.0.0.0 - 10.255.255.255) 172.16.0.0/12 (172.16.0.0 -…
Ashley
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How to determine IPv4 settings on unknown network?

If I connect a device via ethernet onto a switch, and do not receive an IP address via DHCP, how do I determine what the correct settings for that network should be, i.e. how do I choose a static IP address, subnet mask and gateway? The specifics in…
Mike
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After `docker-compose.yml` uses network ipv4 identical to WiFi's IP, why some websites not accessible?

Context: I am using docker-compose.yml to set up a container for the mongoDB, where network sets up as following ... services: mongo: networks: mongodb_net: ipv4_address: 192.168.178.23 networks: …
Xingdong
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How does one convert a binary IPv4 address to 4 octets using the Python3 ipaddress library?

I want to use the Python3 library ipaddress to convert a binary IPv4 network address into 4 octets; how would I do that? Example: 1100 0000 - 1010 1000 - 0000 0000 - 0000 0000 to 192.168.0.0
leeand00
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Connection issues with static IPv4 adress via powerline adapter

since I started working form home last week, I figured out that the WIFI connection in my working room is not that good. Therefore, I thought to use powerline adapters to get a good connection from my laptop from work (lets call it Laptop A) via a…
Ernte1893
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