49
votes
Has my ISP mangled my DNS reverse lookup record for a single static IP address?
Look at the answer section a little more closely:
;; ANSWER SECTION:
444.333.222.111.in-addr.arpa. 86365 IN PTR main.funkeedomain.org.333.222.111.in-addr.arpa.
Specifically, the value of the ...
- 32.2k
33
votes
Accepted
Has my ISP mangled my DNS reverse lookup record for a single static IP address?
444.333.222.111.in-addr.arpa. 86365 IN PTR main.funkeedomain.org.333.222.111.in-addr.arpa.
Seems that in the reverse DNS zone data somebody forgot to add a trailing period . to your hostname to ...
- 74k
19
votes
Accepted
Can I simply buy dedicated IP addresses from any website and assign them to my server?
You can't get provider independent IPv4 space unless you are buying at least a /24 worth (which will cost you at least $6000) and have your own autonomous system. You don't have your own AS; you aren'...
- 241k
15
votes
Accepted
Windows DNS Server register a non **DHCP** client (server) into 2008R2
Actually, there is a utility named nsupdate that follows the protocol and provide what I was looking for. On Debian and Ubuntu, nsupdate defined as 'nsupdate is the little-known brother of nslookup'
...
- 418
11
votes
Accepted
AWS EC2 SSH from my IP address which has changed
Go with #3. It's trivial to write a small script you can run that will:
Fetch your current public IP
Use that IP and awscli to update your security group
Stick this script on your desktop and you're ...
- 109k
9
votes
TCP/IP routing: accessing a LAN device with wrong static IP configuration
To be able to access the device, all you need is an additional IP address in the same network as the device which has a wrong IP.
There is no need to directly attach the device to your computer.
...
- 3,707
9
votes
Why does a DHCP server need a static IP address?
A DHCP server must have a configured IP address so that it can know which scopes are locally attached to physical interfaces, and which Scopes can only be served via a DHCP relay.
Ignore a ...
- 130k
7
votes
AWS EC2 SSH from my IP address which has changed
While the other 2 answers are providing a more secure solution, I would recommend option 2, provided you do not allow to use passwords in SSH, only public key. You also need to make sure that all ...
- 121
6
votes
Accepted
Two networks with the same static IP addresses
Your network appears to be a complete mess -- multiple networks using the same IP Subnets is going to confuse the hell out of the Router. Even if you do manage to get the router to somehow co-operate, ...
- 5,367
6
votes
Accepted
Why does a DHCP server need a static IP address?
My understanding of DHCP is, a client broadcasts a DHCP Discovery
request on the network, and any device on the network can respond.
A client can make an unicast DHCP request too, the renewal request ...
- 775
6
votes
How to assign a reserved / static public IP Address to a virtual machine on Azure
You can't assign reserved ips to existing VMs or Cloud Services atm. You have to redeploy. Here are the basic steps:
Select your VM and go to Dashboard. Take note of the main disk name.
Delete the VM ...
- 3,804
6
votes
Accepted
Failed to load resource: net::ERR_CONNECTION_RESET
I've finally solved the issue.
The breakthrough occured when I followed @john ktejik's directives:
https://stackoverflow.com/questions/4390134/failed-to-load-resource-under-chrome/26742627
I came ...
5
votes
Re-establishing the Trust Relationship
This... doesn't really make any sense. IP addressing has nothing at all to do with domain membership.
If you are replacing a machine with a new one, the new one will not automatically be a domain ...
- 69.5k
5
votes
Accepted
How to isolate and use multiple devices with same IP on same network?
Note: this is not the answer you want, but it is the correct answer.
The concept of a device with a "default IP address" is fundamentally broken and will cause many issues beyond what you're ...
- 109k
5
votes
Failed to load resource: net::ERR_CONNECTION_RESET
I had similar problems when running a confluence instance (within a tomcat server) behind apache2 using either mod_jk or mod_proxy. When I tried to view the confluence wiki pages, I received following ...
- 151
5
votes
Accepted
How can I tell which static IP address one computer uses to connect to another computer?
On a Linux machine you can find the source IP that will be used for a connection with ip route get $destination_ip
This is the primary IP of the interface that is directly connected with the next hop....
- 17k
5
votes
Accepted
Static Public IP Address on Amazon EC2
This is not how EC2 works.
All EC2 instances sit behind Amazon's NAT infrastructure. It is not possible to directly assign an EIP or other public IP directly to an EC2 instance.
- 109k
5
votes
Is it possible for OpenVPN Client to change IP address of "tun" device ignoring "ifconfig-push"?
The quote from Neil Brown in the old thread, that you posted, is followed by a reference to the source code:
See the comment at line 1605 of multi.c and the surrounding code.
I think he was ...
- 151
5
votes
Accepted
Permanently remove interface ipv6 address
The addresses in fe80::/10 subnet are IPv6 LINK-LOCAL addresses and ARE REQUIRED for correct IPv6 operation (they are for example used for neighbor discovery).
You probably cannot remove it and ...
- 3,305
4
votes
Accepted
Centos 7 public static IP address for a KVM guest
You should not have IP addresses meant for guests assigned to the host. (And you should not be using interface aliases. Those were deprecated many years ago.)
Instead, create a bridge, and add enp2s0 ...
- 241k
4
votes
Accepted
Assign static IP by MAC address on openVPN
You can't really tie a connection to "hardware" unless you are storing the connection keys in a hardware-integrated key store like, for example, the TPM module which is integrated with the mainboard. ...
- 40.5k
4
votes
Setting up bridged LXC containers with static IPs
The best way I find and the quickest is to use the lxc profiles
lxc profile list - command the list all the profiles you have
Then
lxc profile copy default minecraft(this is the name of your new ...
- 41
4
votes
Setting a static IP exactly as the dynamic IP yields loss of connection
Your subnet mask, 255.255.225.0, is not valid and is probably breaking your network config. Is it supposed to be 255.255.255.0?
- 1,113
4
votes
Accepted
What is the purpose of multiple ethernet ports on my modem?
The ethernet ports are for connecting multiple devices within your LOCAL network so they can communicate with each other. The modem, assumingly, from your ISP provides ROUTING functions to the ISP ...
- 870
4
votes
In GCP Is possible move static IP address to another account? How?
I'm sorry, but it is not possible to transfer a public IP address. Maybe you can use a shared VPC or network peering.
4
votes
Static IP on an AWS RDS Instance/ Opening port 3306 to DNS Endpoint?
It sounds like you have a fairly locked-down network environment, which is disallowing outbound connections destined for port 3306. "Traditional" firewalls will only allow ACLs targeting IPs, not DNS ...
- 8,370
4
votes
Managed instance group GCE - Static IP not working
For a managed group with auto-scaling enabled you should design or retrofit your application so that it is independent of specific instance properties that will not persist such as IP address or in-...
- 205
4
votes
How to add a static secondary IP to a DHCP interface using netplan?
It's actually way easier, you just add dhcp4: true to your static configuration like this (and disable v6 if you don't need it):
network:
version: 2
ethernets:
ens3:
dhcp4:...
- 1,959
4
votes
Accepted
Can't access static external IP for Google Cloud Run instance - followed guides (Router, Subnet, NAT, VPC, etc)
Well, the main issue with your approach is that you actually missed the most important part of this doc, the title, which is:
Static outbound IP address
And the reason behind this title is that Cloud ...
- 268
3
votes
Accepted
how dhcpd handles static IPs vs DHCP reservations
Static IPs are normally outside the pool range as you do not want static IPs assigned to other hosts. As long as the static IPs are in an IP range local (or relayed) to the DCHP server they can be ...
- 27.6k
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