Fully Qualified Domain Name (FQDN)

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-2
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0answers
13 views

dadcomputer.home appears as dadcomputer.lan when logging in to another computer [closed]

I changed ADSL router recently (from BT home hub 4 to technicolour tg582n) and now dadcomputer.home (ubuntu) appears as dadcomputer.lan when logging into my freeciv server, or SSHing into another ...
1
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1answer
1k views

Exchange TLS Receive Connector Cert

We are using Securence incoming filtering in front of our Exchange 2010 server. It's basically a spam filter. I'm trying to get TLS communication between Securence and our server on incoming ...
0
votes
2answers
29 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
54 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 ...
3
votes
3answers
103 views

Postfix sends to FQDN Hostname instead of Domain Name

I have installed a send only postfix. Postfix works when I send a mail to a full email address. However, if a mail to sent to a user, it adds the FQDN name as the extension instead of just the domain ...
1
vote
1answer
53 views

Linux Hosting: What is the purpose of setting hostname/FQDN in hosts file?

I just bought a Linode VPS hosting plan and was following this guide to set up. In the "Setting the Hostname" section and "Update /etc/hosts " section, it says the FQDN/hostname to be set here does ...
0
votes
1answer
54 views

Postfix Send only Without a FQDN

I'm using OSSEC and Nagios to build a sort of HID system on our network. Everything is going smoothly so far; however I cannot get OSSEC to send email alerts. What I'm trying to do right now is get ...
0
votes
0answers
28 views

In a SPN string, can dns/domain part before and after @-sign be different?

We need to ask the user for settings to build the SPN for a webserver. I'm fairly new to Active Directory and have no knowledge about forests etc. At the moment I can only see the need for asking ...
-1
votes
1answer
31 views

External FQDN for RDS server? or sub-domain?

I am trying to setup a terminal server and need to have an external FQDN name. So far we have a main domain name hosted by 3rd party. lets call it "aaa.com" We also have subdomain name called ...
28
votes
6answers
12k views

Hostnames - What are they all about?

I've recently been "forced" to perform some sysadmin work, while this isn't something that I absolutely love doing I've been reading, experimenting and learning a lot. There is one fundamental aspect ...
0
votes
0answers
21 views

DNS FQDN connections behaves random issues

I have windows environment centralized authenticated & managed via Active directory I have 2 middleware servers with exact same application [1 is Live, other is powered off] hostname 1: ...
1
vote
0answers
121 views

AD DNS conditional forwarding returns short name instead of fqdn

First of all this isn't a copy of DNS Conditional forwarder returns NETBIOS instead of FQDN (just sounds very similar). We have two separate domains that do conditional forwarding to eachother. Each ...
-1
votes
1answer
30 views

Replacing host with another at runtime using same FQDN [closed]

I have host h1 running a few services. It registers with a central server and the server requires its FQDN and IP. I can specify any FQDN here. At run time, if h1 were to be replaced with another host ...
3
votes
0answers
22 views

Linux: What is the right way to configure the HOSTNAME directive in /etc/sysconfig/network? [duplicate]

There's a (quiet) argument between me and my boss in regard to the right way to configure HOSTNAME directive in /etc/sysconfig/network file: As far as I know, in the HOSTNAME directive you should ...
2
votes
1answer
82 views

New Domain DC Adds FQDN (including forest) to DNS - Cant Resolve

I added a new domain recently to our AD. It was added using the option to add a new domain to an existing forest. So now we have the original domain.local which is in the forest also called ...
16
votes
6answers
32k views

Equivalent of Linux command `hostname --fqdn` in Windows XP?

Is there a way to find the fully qualified domain name of a Windows XP box? Being unfamiliar with Windows I would describe what I'm looking for as the equivalent of the command hostname --fqdn ...
0
votes
0answers
29 views

“Add Server” in MMC not showing fqdn. Any ideas?

and Nothing is "broken" but my curiosity (and sadly O.C.D) has my wondering why when I add another server through MMC it doesn't show the fqdn of the "added" server, just the hostname. Tutorials ...
-1
votes
1answer
71 views

MSE changed windows firewall settings and win server 2008 r2 can not be access by it's name anymore

i have installed Microsoft Security Essentials on Win server 2008 R2 and it modified the Windows firewall, this caused an access problem, win server 2008 R2 can not be accessed by it's name anymore ...
1
vote
1answer
35 views

Possible to have FQDN in Debian Logfiles?

Is it possible to have instead the hostname the fqdn inside debian log files? Example: Now its: Mar 2 18:00:12 www rsyslogd: [origin software="rsyslogd" swVersion="5.8.11" x-pid="2442" ...
0
votes
0answers
40 views

Add FQDN name in gre tunnel in Linux

Since aruba, cisco, etc all support add FQDN as gre tunnel's endpoint, can I do the same thing in linux via iproute2 or something else? Now, when I type a FQDN at ip tunnel, it just says that it's ...
0
votes
1answer
79 views

rsyslogd and FQDN - cannot get FQDN from clients

I setup a syslogserver with rsyslogd and 3 clients. Logs from 3 test clients are sent to the server, so far so good. My Problem is: I can't get the FQDN hostnames to work. According to rsyslog.com ...
0
votes
1answer
42 views

Webmin: write “short” records to zone file?

I'm using webmin to manage BIND DNS zones which until now have been managed manually. When I add a new record in webmin (A or CNAME) it's writing the FQDN (host + zone) into the zone file. While this ...
0
votes
1answer
55 views

In /etc/hosts is there something special about the first hostname for any given line?

I know that the first one is said to be canonical, but I don't fully understand the practical implications. This question was triggered by the man page for hostname -f, specifically when it says: ...
-1
votes
2answers
180 views

Which domain name to use for a FQDN?

I've been reading for hours on this and am still stuck. Everything I've read indicates I need my hostname and a domain name to get a FQDN. But what about a setup where I have one hostname, using ...
0
votes
1answer
193 views

setting numerical hostname in Proxmox

I am using Proxmox. I tried to run new OpenVZ container and I set my recently registered domain as a hostname in format "three digit number dot ie" (XXX.ie). The problem is, that after starting ...
12
votes
6answers
2k views

Sort a list of domain names (FQDNs) starting from tld and working left

I am looking to sort a list of domain names (a web filter whitelist) starting from the TLD and working upwards. I am looking any *nix or windows tools that can do this easily, though a script would ...
0
votes
1answer
213 views

Incorrect FQDN on Exim4 send-only SMTP mail server

I am pretty new to Linux systems and I am trying to send e-mail to my gmail ID using exim4. I found many tutorials for exim4 online and I am doing exactly that, however I never receive any email. The ...
1
vote
1answer
265 views

Understanding apparent DNS changes between centos 6 and 7

I have a couple of test systems running Centos 6 and I thought I'd try out Centos 7. Apart from all the obvious differences (no iptables, no ifconfig), there is one thing that really had me scratching ...
2
votes
2answers
413 views

Confused about Linux Hostname, DNS Hostnames and FQDN Hostname

This might sound stupid and basic to some of you, but I am still so confused about this even after reading numerous sources on the net. My questions still unclear are: Is the Hostname in machine ...
1
vote
0answers
741 views

how can I change the FQDN of an exchange 2013 server [closed]

During the setup of our Exchange 2013 server, when asked for my FQDN, I entered in 'fabricam.com.CS.local', but it needs to be pointed at 'mail.fabricam.com'. I've tried deleting the current records ...
0
votes
1answer
2k views

Keytool ServerAlternateName

I'm trying to get the certificates just right for our Jira/Confluence deployments in house. People access them differently, either from the hostname or the FQDN. I'm using Java 7's keytool so I have ...
0
votes
1answer
83 views

Wrong FQDN on Debian server

I have defined the server's FQDN and its alias in /etc/hosts: X.X.X.X server1.example.com server1 However, the command hostname --fqdn only returns the alias (server1) and not the FQDN. Why is ...
1
vote
4answers
1k views

Setting FQDN hostname and dot

I was wondering if I am editing a file such as /etc/hosts or /etc/sysconfig/network should I put a . at the end of the name. such as test.example.com. Is there a difference? Would anything break ...
0
votes
1answer
694 views

DFS Namespace with alternative FQDN beside the existing domain FQDN

We have a domain, from previous maintainer which have a 'long' FQDN e.g. dot.longname.top which makes the DFS structure longer, could of course have several DFS Namespace and that is also the goal ...
1
vote
0answers
124 views

Rename a GlusterFS Peer

I have a 2 peer GlusterFS system. It was initially created using simple hostnames file01 and file02. These hosts were added to /etc/hosts to make it work. Now we want to start using FQDN because we ...
-4
votes
2answers
79 views

Why do nameservers have thier own names? [duplicate]

For example, lets say there is a hosting company, hostingcompany.com, with nameserver ns1.hostingcompany.com. When I type hostingcompany.com into my browser, my computer contacts a top level domain ...
6
votes
2answers
245 views

Definition of Fully qualified domain name

I tried to search to Internet for a definition of a FQDN. Wikipedia says, a FQDN specifies its exact location in the tree hierarchy of the Domain Name System (DNS) I would interpret this, that ...
1
vote
1answer
766 views

Exchange 2010 HELO header change

I couldn't find any appropriate step by step guide for changing HELO header values in Exchange 2010. The problem is that the server doesn't allow changing the Default FQDN in: EMC -> Server ...
3
votes
2answers
670 views

Best practices for FQDN for standalone domain (is a two part domain.tld okay?)

I've searched quite a bit and can't seem to find a straight, modern answer on this. If I am hosting a domain, say, mydomain.com, on a machine which is going to solely be used for that domain, and ...
0
votes
1answer
2k views

Name Mismatch - Incorrect Remote Computer Name

Our team recently decided to reconfigure an old Windows Server 2012 group of servers/network to set it up for production use. We recently renamed the old domain for all the servers, reattached each ...
1
vote
1answer
360 views

Tomcat resources not resolving correctly

I'm trying to deploy MITRE's OpenID Connect Java Spring Server using Tomcat. My server's FQDN is park.muller.io. I've compiled the MITRE server and placed the .war file into the Tomcat webapps ...
0
votes
3answers
448 views

Use IP address or FQDN [closed]

I am preparing servers infrastructure consisting MYSQL , LDAP , PHP and FTP. I have all servers have static public and private IP(LAN). Now while configuring SSL i am facing problem of FQDN. For ...
1
vote
2answers
438 views

Links inside intranet: use fully qualified name, or just hostname?

When working in an intranet, it's often necessary to set up links to other computers (HTTP hyperlinks or shortcuts, hostname in various server config files, SSH shortcuts etc.). In all these cases, ...
-1
votes
1answer
243 views

How to configure a FQDN the right way for my multisite VPS? [closed]

I have a new VPS with 1 site. Very soon there will be a lot of sites here. First problem from today: I noticed that emails that database backups that are being sent to my email are marked as spam. ...
0
votes
2answers
656 views

Linux exim send-only mail server with NO domain

I'm not sure I understand the whole principle behind what is needed for a mail server so I need some clarification and have some questions. I am trying to setup a mail server on my personal server ...
4
votes
3answers
6k views

Bash prompt on Ubuntu - FQDN (\H) same as hostname (\h)

We've got seperate environments at my workplace for development, testing, integration, and staging. Within those envs, we've overloaded the hostnames in DNS - e.g. in the dev environment, the primary ...
3
votes
2answers
8k views

How can I find the domain (fqdn) for my machine if hostname doesn't return domain info and domainname returns empty?

As per the this question's title, hostname doesn't return domain info and domainname returns empty. I want to find out the full machine and domain for the machine I'm using (Mac OS X 10.5.8). How can ...
0
votes
1answer
1k views

How do I redirect/rewrite to the FQDN URL without setting ServerName?

Often in intranets, users will direct URLs to a hostname without supplying the FQDN. Example: http://internalHost Instead of http://internalHost.example.com I would like to redirect users / ...
1
vote
1answer
5k views

How to set the fqdn on a CentOS server? [duplicate]

I set my hostname in the /etc/sysconfig/network file to host.example.com HOSTNAME=host.example.com Fyi, I then issued a reboot on the machine. I have a problem with Puppet: when I run Facter on ...
6
votes
2answers
464 views

Validity of a FQDN with a hostname consisting entirely of numbers

Is a FQDN valid if the hostname component is entirely numeric? It's not something I've come across before and I'm not sure if something like the following is legal: 001.example.com. I know it's an ...