Questions tagged [fqdn]
Fully Qualified Domain Name (FQDN)
133
questions
0
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0answers
69 views
EAP Tunnels & WPA3 Certificate Requirement Changes with “Do not validate” and Windows NPS
There are changes afoot to certificate validation requirements from the Wi-Fi Alliance WPA3 standard (e.g. Do Not Validate is no longer an option). These are already being pushed out by Google for ...
1
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0answers
60 views
how can i block/ban an ip after a number of rejects on a mail server?
I found several attempts to use my email server as relay. The helo command was not coming from a FQDN and therefor the request got rejected.
Is there a way to ban an IP address complelty after a ...
0
votes
0answers
36 views
FQDN hostname -f
Issue Details
Working Server:
root@hello:~# grep example.com /etc/hosts
127.0.1.1 hello.example.com hello
root@hello:~# cat /etc/hostname
hello
root@0123:~# hostname -f
hello.example.com
Affected ...
0
votes
0answers
19 views
Setting Ubuntu hostname and hosts file with external domain for Postfix
I have a VPS with DigitalOcean and I also have a public domain registered with Namescheap. I have A and AAAA records in my Namescheap DNS settings pointing towards my VPS. I'm trying to setup Postfix ...
0
votes
0answers
30 views
Accessing servers through hostname now requires FQDN?
After upgrading to Linux Mint 20, the servers (pgsql databases and windows network share) on our internal network now require the fully qualified domain instead of just the machine name.
For example, ...
0
votes
0answers
22 views
FQDN not persisting on reboot
I am trying to set up the hostname for my new Ubuntu 18.04 server using the following command:
hostnamectl set-hostname foo.example.com
And adding the following line to /etc/hosts
12.34.56.78 foo....
0
votes
1answer
522 views
In /etc/hosts file why would IPv4 hosts be different from IPv6 hosts?
Background: CentOS 8, Digital Ocean droplet.
Question 1) I just looked at my hosts file in /etc/hosts and I noticed that hostnames listed under IPv4 and IPv6 are different. IPv4 lists example, ...
2
votes
0answers
451 views
Active Directory authentication using format domain.fqdn\username
Assuming an Active Directory domain with FQDN "domain.local" and NetBIOS name "DOMAIN", there are two standard formats to identify user accounts:
DOMAIN\username
username@domain.local
(The second ...
2
votes
2answers
93 views
Is a subdomain essentially a host?
I'm trying to understand the difference between a subdomain and a domain in a LAN versus a WAN (Internet). (Or am I just fooling myself. Is it the same?)
If I google it I just get that a subdomain is ...
-1
votes
2answers
2k views
Can one have 2 Domains pointing to the same IP and / or 2 IP's resolving to the same Domain?
I am going to attempt to rewrite the initial question so that it makes more sense.
The issue I was being faced with is that I have my Company's website hosted on Site Ground but unfortunately ...
-3
votes
2answers
73 views
2 or more web servers share one static ip
I got 1 static Ip from my ISP.
I got 2 NS (from NS provider)pointing my domain name towards my wan IP.
My question: How do I get server1.domainname.td to reach server 1 inside my network, server2....
0
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0answers
289 views
Postfix myhostname suggestion has trailing '.' Where is the bug? In dhclient, postfix or where?
After a minimal debian stretch installation using (debian-9.8.0-amd64-netinst.iso), where hostname is left at the default debian and domain was left empty, installing postfix fails because the ...
1
vote
1answer
1k views
Can I create a CSR without a Fully Qualified Domain Name?
My client has an Ubuntu server hosted by Digital Ocean. The server has no domain name, we access it via the public IP address. They want to start using https and provided me with a SSL certificate ...
-2
votes
1answer
350 views
Can I view my ssl FQDN? How do I fix the mismatch
I have probably set wrong FQDN while creating ssl certificate.
Now, certificate is installed and site display a 'Warning: Potential Security Risk Ahead'
I am quite sure it is FQDN as certificate was ...
0
votes
1answer
232 views
How to change the FQDN on a Lightsail instance?
I've spent the last number of hours trying to work out what's causing the error "hostname: Name or service not known" to be produced when I run the command "hostname -f" on the latest version of ...
0
votes
2answers
457 views
Can a SSL certificate be used on a locally hosted website?
I tried to install Let's Encrypt on my local server.
But I could not because it threw errors that I need a fully qualified domain name (FQDN). I use server.arch.local as my hostname. Does it not ...
-1
votes
1answer
299 views
Configure bind9 zone records to ping/dig/nslookup/web browse using hostname only or fqdn
What is the proper way to configure a BIND9 zone file to allow ping/dig/nslookup/web browsers to query a host using its hostname or a shortened CNAME record that points to this hostname instead of the ...
0
votes
1answer
345 views
FQDN In the same server IIS for multi sites
I have an IIS 8 (win 2012 r2) server with multiples sites and ports:
I would use FQDN to access to sites . for exemples :
site1.lan : @IP_of_iis_server:9500
site2.lan : @IP_of_iis_server:2729
etc ...
1
vote
0answers
149 views
How Can I Prevent Windows Server 2016/AD Installation from Adding TLDs Like .local to My Domain Name?
In a few days I have to reinstall a Windows Server 2016 Essentials instance on new hardware and would like to avoid an annoyance that cropped up in the initial install a few months back. To make a ...
3
votes
1answer
157 views
Our website is not resolving from our LAN because of LAN DNS configuration
We have a LAN/WAN network with a Windows domain name (ourcompanyweb.org) that matches our website url (http://ourcompanyweb.org) which is hosted externally. When I ping our website (of the same name) ...
0
votes
1answer
361 views
Postfix is appending myorigin to non-FQDNs despite “append_at_myorigin = no”
I have postfix and a local LMTP server running. In my main.cf, I have append_at_myorigin = no. When I run postconf|grep append_at_myorigin I get that this value is no.
But for some reason, postfix is ...
0
votes
1answer
270 views
How do we configure an ALB with Elastic IP's to only resolve to our FQD
We have a situation where we have a website, www.mamapedia.com which is accessible both by the ALB address and the Elastic IP's assigned to the ALB at any given time.
This is problematic and is ...
0
votes
2answers
438 views
Is it possible to add FQDN to Server behind NAT or to a NAT itself?
I have multiple identical servers behind a NAT. I use the same IP and just change up the port to move between the server via port forwarding.The issue is that i am using self-signed certificates and ...
2
votes
1answer
1k views
Cannot Set Up Naked Domain on Azure CDN
What I am using:
Azure CDN: Premium Verizon
DNS: DnsMadeEasy
I am struggling to setup all endpoints of my domain on Azure CDN; I am able to set up endpoints with a prefix to my domain (i.e prefix....
2
votes
1answer
3k views
How do I properly configure a FQDN for sendmail to work with PHP mail()?
I'm sure variations on this question have been asked and I apologize if this is a duplicate, but I just can't seem to find something that works in my situation without breaking something else.
I'm ...
0
votes
0answers
27 views
Require domain name and DNS should resolve proper host names on windows 2012
I have installed Siebel ip2017 on Google cloud free tier environment for self study however it is failing in configuration as it require FQDN( Require domain name and DNS should resolve proper host ...
0
votes
2answers
5k views
Assigning a hostname of the fqdn assigned to a dhcp client with dnsmasq?
I'm aware that you can assign static DNS entry names by doing the following in dnsmasq.conf:
address=/wiki.leerdomain.lan/192.168.1.200
ptr-record=wiki.leerdomain.lan/192.168.1.200
and then ...
2
votes
0answers
226 views
File Server - Hostname vs. FQDN
I have a problem with a File Server at Microsoft Windows Server 2008 R2 Operasion System. When my user browse a network share with FQDN she can't see the files, but if she browse it without FQDN (only ...
0
votes
1answer
739 views
What is the correct syntax declaring FQDN in host file for CentOS 7? [duplicate]
First, I know how to declare FQDN but, I just want to know are they the same thing:
I have 2 VPSs running using Centos 7. When I look up at the /etc/hosts file:
I found the entry of the host file for ...
0
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0answers
33 views
.bit domain on Nginx CentOS
At the moment I'm attempting to add domain.bit as my server_name in Nginx which I've done successfully, however, when forwarding the domain to the server IP or even pinging the domain it's failing to ...
0
votes
0answers
85 views
Service returning Kerberos error but only when using FQDN
I have an issue that was brought to me by another in our office. He is troubleshooting a service our software uses with customers environments that try's to make a connection to SQLServer2 by use of a ...
1
vote
2answers
492 views
Can you use a second level domain-name as a FQDN? (e.g. hostname.com)
I've been doing it for a while and it seems to work ok, but I thought I'd check what good practice is as far as FQDN. Right now my server is setup with (lets pretend) the hostname myhostname and I ...
2
votes
2answers
3k views
Why do I need an FQDN for a Hypervisor used only for running in house VMs for software testing?
I'm testing ProxMox, and during installation it asks for an FQDN.
I've entered test.local, and it accepted it but I suppose I would have to enter something like cluster1.companyname.com, and then ...
-1
votes
1answer
984 views
When do I actually need a FQDN?
I've been reading the guides on linode about setting up a server to host websites. One concept that bothers me most is FQDN. From what I've read, FQDN is very important and it MUST be set. In my ...
0
votes
1answer
1k views
Setting FQDN with external domain name
I have a Centos 7 server which has tens of domain names and IPs.
The IP addresses are pointing to my server.
Each domain name is pointing to its own IP via A record.
I want to configure my FQDN in ...
0
votes
1answer
900 views
Puppet master with different hostname/fqdn
I'm trying to use a puppetmaster for servers being both on an LAN and outside of a LAN. Here's the setup :
I have 3 servers behind a router and a VM on Google Cloud. The puppet agents connect to the ...
1
vote
2answers
4k views
Bypassing SSO property on oVirt 4.0
I have upgraded oVirt engine from 3.6 to 4.0, after the upgrade i could not access the webadmin portal, the welcome page displays this message:
The client is not authorized to request an ...
-1
votes
1answer
3k views
Powershell script to find and delete DNS records across multiple zones
We have multiple DNS zones, and what to find static DNS records that no longer respond to pings and delete them.
I've written a PS script, but I'm having two problems.
1 - test-connection fails ...
0
votes
1answer
4k views
What's the difference between FQDNs and Hostnames [duplicate]
First of all, I wanna say that I know how DNS Servers work and also I know about the records in a DNS Zone File!
I'm not an expert but I have some knowledge about them. I'm confused! why?! because I ...
0
votes
2answers
59 views
Exchange 2007 FQDN Issue
I am hoping to get a couple ideas regarding an issue we have come across.
Exchange 2007 server was setup and has a FQDN of servername.domain.local which is obviously a local domain name.
The server ...
29
votes
2answers
38k views
Why should I use an FQDN instead of the server's IP address?
In my work with servers I have come across in configuration files where you should enter the address to an external server. I have seen some use the server's IP address directly, but I have heard many ...
2
votes
1answer
2k views
net use fails with system error 67 with FQDN
I search for help with a confusing error with Windows 7 mounting a
network fileshare.
The problem is that on machine A a mount with the FQDN fails (net use
system error 67) while the same command ...
-1
votes
1answer
231 views
FQDN for server with various domians [closed]
I have a question regarding setting the FQDN on a server, well, technically, a vserver that serves a variety of domains.
I have understood that the FQDN is a globally unique address that points to a ...
1
vote
1answer
236 views
Can't resolve DNS for RDWeb externally
I'm having trouble accessing RDWeb Access Server via internet browser using my FQDN (https://ifodgw.abacushub.io/rdweb) externally. I am able to access it externally using the elastic ip address 52.16....
5
votes
1answer
151 views
5 seconds for hostname -f and a strange DNS request
My question addresses a strange behaviour of hostname -f on my Gentoo Linux System.
The symptom:
rt01 ~ # time hostname -f
rt01.domain.net
real 0m5.007s
user 0m0.001s
sys 0m0.000s
With ...
0
votes
1answer
784 views
Fully Qualified Domain Name of VPS [duplicate]
I'm really confused by FQDN.
So there is this file on my debian machine /etc/hosts.
What exactly goes in there?
Say my VPS is located at ipadress: 39.22.11.99
And i have a couple of domains all ...
-1
votes
3answers
607 views
What hostname and rDNS should I choose?
What should I set as hostname and rDNS?
1 server
3 domains (domain1.com, domain2.net, domain3.de)
1 mail server for each domain
My current settings:
/etc/hosts
127.0.0.1 localhost
11.22.33.44 ...
3
votes
1answer
183 views
Not able to login through FQDN or IP address
I have kind of a weird situation here.
I have a server running W2k8 R2 with SP1 where I am able to login with hostname\administrator but neither with IPAddress\Administrator nor with FQDN\...
0
votes
2answers
1k views
FQDN, DNS, Hosts, postfix
Let's say I bought this domain: example.com
Name servers under DNS manager all points to example.com
That subdomain(example.com) of nameservers points to an IP.
Also, note that hostname unique is ...
1
vote
1answer
2k views
Checking if my hostname is correct (ovh vps + centos7)
I recently purchased a VPS from OVH with Centos 7 preinstalled. I want to make sure my hostname is correctly set.
According to some tutorials:
hostname returns the hostname
hostname -f returns the ...
