#subnet — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #subnet, aggregated by home.social.
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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#VPSHouse #Servers #Buffalo #New #York #IP #Transit #Datacenter #BareMetal #Linux #DedicatedServer #Colocation #BGP #Cluster #Subnet
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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This is Subnetting Quiz 2 from my Free CCNA Course with real devices.
Can you work this out? YouTube video:
https://youtu.be/_E52osoelRw#ccna #cisco #network #networking #windows #linux #mac #apple #microsoft #subnet
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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Managing #OpenWRT via #Ansible is a breeze. I just love the fact that all the settings, all the #firewall rules, all the good stuff is configured with config files.
I've created 6 #VLANs, all of them completely #isolated, with a few allowed traffic rules. I've even isolated the #Windows #PC of my roommate inside of the #trusted #network.
Now his #XiaomiTVBox can't scan the network anymore (yes it actually does that. I've noticed it while working on my packet monitoring project).
#networking #subnetting #subnet #homelab #selfhosting #openwrt #privacy #security #vlan #isolation #dmz
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Managing #OpenWRT via #Ansible is a breeze. I just love the fact that all the settings, all the #firewall rules, all the good stuff is configured with config files.
I've created 6 #VLANs, all of them completely #isolated, with a few allowed traffic rules. I've even isolated the #Windows #PC of my roommate inside of the #trusted #network.
Now his #XiaomiTVBox can't scan the network anymore (yes it actually does that. I've noticed it while working on my packet monitoring project).
#networking #subnetting #subnet #homelab #selfhosting #openwrt #privacy #security #vlan #isolation #dmz
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Managing #OpenWRT via #Ansible is a breeze. I just love the fact that all the settings, all the #firewall rules, all the good stuff is configured with config files.
I've created 6 #VLANs, all of them completely #isolated, with a few allowed traffic rules. I've even isolated the #Windows #PC of my roommate inside of the #trusted #network.
Now his #XiaomiTVBox can't scan the network anymore (yes it actually does that. I've noticed it while working on my packet monitoring project).
#networking #subnetting #subnet #homelab #selfhosting #openwrt #privacy #security #vlan #isolation #dmz
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Managing #OpenWRT via #Ansible is a breeze. I just love the fact that all the settings, all the #firewall rules, all the good stuff is configured with config files.
I've created 6 #VLANs, all of them completely #isolated, with a few allowed traffic rules. I've even isolated the #Windows #PC of my roommate inside of the #trusted #network.
Now his #XiaomiTVBox can't scan the network anymore (yes it actually does that. I've noticed it while working on my packet monitoring project).
#networking #subnetting #subnet #homelab #selfhosting #openwrt #privacy #security #vlan #isolation #dmz
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Managing #OpenWRT via #Ansible is a breeze. I just love the fact that all the settings, all the #firewall rules, all the good stuff is configured with config files.
I've created 6 #VLANs, all of them completely #isolated, with a few allowed traffic rules. I've even isolated the #Windows #PC of my roommate inside of the #trusted #network.
Now his #XiaomiTVBox can't scan the network anymore (yes it actually does that. I've noticed it while working on my packet monitoring project).
#networking #subnetting #subnet #homelab #selfhosting #openwrt #privacy #security #vlan #isolation #dmz
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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AWS Control Tower SCP でパブリックサブネット上のリソース作成を制御できるか試してみた
https://dev.classmethod.jp/articles/krsk-aws-control-tower-scp-public-subnet-restriction-20250317/ -
A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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Examining IPv4 Subnets
https://zpr.io/6mnWv7B9wTH7
A subnet, or subnetwork, is a smaller, distinct network within a larger network. It divides a larger network into smaller, manageable segments. This is particularly useful for organizing a network, improving performance, and enhancing security. #mikrotik #networking #subnet -
I need some advise here. Getting a little dizzy of all the options in jailing systems around networks and access.
I use now appjail until I get the hang of it, not quite ready 😉
I can use a bridge with epairs / vnet / netgraph / a combination of some of them…
Dhcp on these option partially work, but not with all combinations.Bridges/epairs are working on a different server with bastillebsd….
But now to the basic question (I know, it’s my lack of basic network skills here speaking):
It is easy the autocreate jails on a subnet interface with a new range (say 10.0.0.0) apart from the normal lan (192.168.0.0). I can ping the jail on the host but not from the lan (obvious).What is the best option to make it works? And how? A practical example or link would help.
#freebsd #lan #jail #vnet #epair #subnet #interfaces #Networking
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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AWS 的 VPC 可以設定 Private IPv6 address 了
AWS 的 VPC 以前都只能設定 public IPv6 address，現在總算是可以設定 private IPv6 address 了：「AWS announces private IPv6 addressing for
#AWS #Cloud #Computer #Murmuring #Network #Service #address #amazon #aws #cloud #global #gua #ip #ipv4 #ipv6 #local #network #private #service #subnet #ula #unicast #unique #virtual #vpc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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@volpeon @puniko IMHO #IPv6's notation should've been #decimal like #IPv4 so the entire IPv4 address space would've fit as a #subnet into it, providing us with a transition mechanism that would've allowed backwards compatibility by virtue of addressing every port as a dedicaded IPv6, enabling way faster adoption.
Sadly until EVERYTHING supports IPv6 natively and comes with fixed prefixes (at least a /64 on mobile) that are statically allocated, I can't even use it.
There's a reason I've got a /28 of IPv4's but by ISP won't even delegate me a /48 of IPv6's: Because there is neither demand nor offer for that.
And yes, HE.net's #Tunnelbroker isn't solving issues because even if I choose a PoP in Germany everyone will just blatantly #GeoIP (which on it's own should be illegal IMHO!) one to the #USA, worsening the entire experience by virtue of illegal #Adware and #Tracking...
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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A would-be warrior who cannot read a simple address will get nowhere in this world. Let alone prowl freely within a #subnet maze. https://cromwell-intl.com/networking/ip-addresses-and-subnets.html?s=mc
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While I wait for my #GitHubEnterprise instance to update, I'm fiddling around with ACLs/tags and learning about #Tailscale #subnet #routers. Perhaps I can get rid of this SSH jumpbox…🤔
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What is a supernet, and how does it work? - A supernet or umbrella network combines multiple smaller networks... - https://cointelegraph.com/news/what-is-a-supernet-and-how-does-it-work #internetprotocol #interoperability #blockchain #sidechains #supernet #subnet
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Old subnetting notes I had to dig up and refresh on while studying tonight. Enjoy!
Subnetting:
The representations of IP’s and prefixes (our masks) exist for each range. Whenever we see a /8, /16, or /24, the /number is a prefix, so 10.10.10.1 /24 is an address with a prefix. The classes listed for IPv4 aren't actually too scary when you space out exactly what is going on.
Let’s say we have a 255.255.255.0 mask
Try to look at it this way: Class A is X.Y.Y.Y Y being the hosts by number
If we have a /24 and need to understand how this translates:
255.255.255.0 is the value we end up with because the binary equivalent to 255 is 11111111
If we do this for every portion of our mask we get:
11111111.11111111.11111111.00000000
We end up with /24 because we are counting each set of 1's (11111111 + 11111111 + 11111111 = 24).
All we're essentially doing here when we subnet is counting the bits and looking at a mask.
If you look at it this way then the 2n-2 formula makes a lot more sense and becomes clearer.What would be a /26 ? 11111111.11111111.11111111.11000000 or 24 +2
We added 2 bits to the sum we had when we converted and if we convert 11000000 again, we get 192 as a number. Then we subtract.
Resources:
https://subnetting.org
https://www.youtube.com/watch?v=ZxAwQB8TZsM -
Old subnetting notes I had to dig up and refresh on while studying tonight. Enjoy!
Subnetting:
The representations of IP’s and prefixes (our masks) exist for each range. Whenever we see a /8, /16, or /24, the /number is a prefix, so 10.10.10.1 /24 is an address with a prefix. The classes listed for IPv4 aren't actually too scary when you space out exactly what is going on.
Let’s say we have a 255.255.255.0 mask
Try to look at it this way: Class A is X.Y.Y.Y Y being the hosts by number
If we have a /24 and need to understand how this translates:
255.255.255.0 is the value we end up with because the binary equivalent to 255 is 11111111
If we do this for every portion of our mask we get:
11111111.11111111.11111111.00000000
We end up with /24 because we are counting each set of 1's (11111111 + 11111111 + 11111111 = 24).
All we're essentially doing here when we subnet is counting the bits and looking at a mask.
If you look at it this way then the 2n-2 formula makes a lot more sense and becomes clearer.What would be a /26 ? 11111111.11111111.11111111.11000000 or 24 +2
We added 2 bits to the sum we had when we converted and if we convert 11000000 again, we get 192 as a number. Then we subtract.
Resources:
https://subnetting.org
https://www.youtube.com/watch?v=ZxAwQB8TZsM -
Old subnetting notes I had to dig up and refresh on while studying tonight. Enjoy!
Subnetting:
The representations of IP’s and prefixes (our masks) exist for each range. Whenever we see a /8, /16, or /24, the /number is a prefix, so 10.10.10.1 /24 is an address with a prefix. The classes listed for IPv4 aren't actually too scary when you space out exactly what is going on.
Let’s say we have a 255.255.255.0 mask
Try to look at it this way: Class A is X.Y.Y.Y Y being the hosts by number
If we have a /24 and need to understand how this translates:
255.255.255.0 is the value we end up with because the binary equivalent to 255 is 11111111
If we do this for every portion of our mask we get:
11111111.11111111.11111111.00000000
We end up with /24 because we are counting each set of 1's (11111111 + 11111111 + 11111111 = 24).
All we're essentially doing here when we subnet is counting the bits and looking at a mask.
If you look at it this way then the 2n-2 formula makes a lot more sense and becomes clearer.What would be a /26 ? 11111111.11111111.11111111.11000000 or 24 +2
We added 2 bits to the sum we had when we converted and if we convert 11000000 again, we get 192 as a number. Then we subtract.
Resources:
https://subnetting.org
https://www.youtube.com/watch?v=ZxAwQB8TZsM -
Old subnetting notes I had to dig up and refresh on while studying tonight. Enjoy!
Subnetting:
The representations of IP’s and prefixes (our masks) exist for each range. Whenever we see a /8, /16, or /24, the /number is a prefix, so 10.10.10.1 /24 is an address with a prefix. The classes listed for IPv4 aren't actually too scary when you space out exactly what is going on.
Let’s say we have a 255.255.255.0 mask
Try to look at it this way: Class A is X.Y.Y.Y Y being the hosts by number
If we have a /24 and need to understand how this translates:
255.255.255.0 is the value we end up with because the binary equivalent to 255 is 11111111
If we do this for every portion of our mask we get:
11111111.11111111.11111111.00000000
We end up with /24 because we are counting each set of 1's (11111111 + 11111111 + 11111111 = 24).
All we're essentially doing here when we subnet is counting the bits and looking at a mask.
If you look at it this way then the 2n-2 formula makes a lot more sense and becomes clearer.What would be a /26 ? 11111111.11111111.11111111.11000000 or 24 +2
We added 2 bits to the sum we had when we converted and if we convert 11000000 again, we get 192 as a number. Then we subtract.
Resources:
https://subnetting.org
https://www.youtube.com/watch?v=ZxAwQB8TZsM -
Old subnetting notes I had to dig up and refresh on while studying tonight. Enjoy!
Subnetting:
The representations of IP’s and prefixes (our masks) exist for each range. Whenever we see a /8, /16, or /24, the /number is a prefix, so 10.10.10.1 /24 is an address with a prefix. The classes listed for IPv4 aren't actually too scary when you space out exactly what is going on.
Let’s say we have a 255.255.255.0 mask
Try to look at it this way: Class A is X.Y.Y.Y Y being the hosts by number
If we have a /24 and need to understand how this translates:
255.255.255.0 is the value we end up with because the binary equivalent to 255 is 11111111
If we do this for every portion of our mask we get:
11111111.11111111.11111111.00000000
We end up with /24 because we are counting each set of 1's (11111111 + 11111111 + 11111111 = 24).
All we're essentially doing here when we subnet is counting the bits and looking at a mask.
If you look at it this way then the 2n-2 formula makes a lot more sense and becomes clearer.What would be a /26 ? 11111111.11111111.11111111.11000000 or 24 +2
We added 2 bits to the sum we had when we converted and if we convert 11000000 again, we get 192 as a number. Then we subtract.
Resources:
https://subnetting.org
https://www.youtube.com/watch?v=ZxAwQB8TZsM
