Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [domain]

A collection of computers or other networked resources.

A collection of computers or other networked resources within an organisation. A domain is identified by a domain name. Domains can be divided into hierarchical sub-domains.

A Microsoft domain is such a collection, often managed by the Active Directory product. The centralized authority for a Microsoft domain is one or more Domain Controllers. These Domain Controllers are responsible for authentication and other security services within the domain.

2711 questions
33
votes
4 answers

Check if user password input is valid in Powershell script

I am working with a Powershell script that adds scheduled tasks to systems in our domain. When I run this script, it will prompt me for my password. I sometimes fat finger the password and the process starts, which locks out my account. Is there a…
Doltknuckle
  • 1,254
  • 7
  • 25
  • 32
31
votes
7 answers

Why is it a bad idea to use a customer email as the from address

I've got an application that emails users once they have filled in a form. It uses a no-reply@customerdomain.com as a from address. The customer wants it to use the email from the form as the from address which could be anything. I have been told…
Crab Bucket
  • 421
  • 4
  • 8
27
votes
1 answer

Amount of allowed subdomains in domain and email

How many subdomains can you have on your domain? And with that, I mean levels of subdomains. For example, you have the domain example.com, I know you can have test.example.com, but how many levels can you have? Like test2.test.example.com,…
Joshua Bakker
  • 383
  • 3
  • 7
27
votes
3 answers

Why doesn't Kosovo have its own ccTLD yet?

Why is it that Kosovo still hasn't got its own ccTLD? Kosovo is (semi)-independent, from Serbia (former Yugoslavia), since 2008. Montenegro is independent since 2006. Montenegro has the .me domain since its year of independence. Even Palestine…
Duco
  • 381
  • 3
  • 6
27
votes
5 answers

How to find all hostnames in DNS attached to one IP?

If I have multiple hosts configured on one machine (a la apache's VirtualHosts), how can I do a lookup on the IP and find all domains configured to reach it? For example, I have several web and email domains hooked-to my server. How can I find all…
warren
  • 18,369
  • 23
  • 84
  • 135
26
votes
6 answers

How do I convince my company to invest in IT - domains, security, etc.?

I work for a small-medium size retailer which has half a dozen high street stores and a website. The IT situation is currently in a very basic state. As being "Head of IT" is only a small part of my job description and the last on the list I haven't…
Jeff
  • 361
  • 3
  • 5
20
votes
5 answers

Domain login very slow 10+ minutes

We are racking our brains trying to figure this problem out an are currently stuck! Basically we are having issues with some users taking ages to log in in the mornings, some times up to 20 minutes, we have tried correcting this problem looking at a…
Daryl Liney
  • 301
  • 1
  • 2
  • 3
19
votes
2 answers

What is a cookie-free domain?

What is a cookie-free domain? I've seen these words many times but I never understood what it is.
Alon Gubkin
  • 666
  • 3
  • 7
  • 12
18
votes
1 answer

nginx proxy subdomains to other addresses and ports

I'm newbie with nginx, but I need to create some proxy rules based on the subdomain to redirect to another IP and Port. This is my case: My domain.com has IP y.y.y.y and accepts requests on port 80 My subdomains are: - admin.domain.com -> I need to…
Beto Neto
  • 595
  • 1
  • 4
  • 11
18
votes
1 answer

Is the hostname part of HTTP(S) URLs truly case-insensitive?

Is it safe to use http(s)://CompanyName.com/xyz as URL (e.g. for branding purposes) without any changes to the service-side configs? I know that DNS is case-insensitive, but could there still be side-effects? I am thinking of e.g. various parts of…
Nils Toedtmann
  • 3,342
  • 5
  • 26
  • 36
18
votes
1 answer

Difference between DHCP options 'Domain-Name' and 'Domain-Search'

What is the difference between the two? I had thought that domain-name would put the client on the specified domain (ie. If the domain-name was set to "foo.bar" the clients FQDN would be 'hostname.foo.bar'), but…
Rauffle
  • 407
  • 1
  • 5
  • 13
18
votes
5 answers

Kerberos Authentication for workstations not on domain

I have a base understanding of how Kerberos works in an Active Directory environment and the methods it uses to authenticate users and workstations onto the network, but my question is.. since Kerberos relies on issuing a security token that the end…
Eric
  • 185
  • 1
  • 1
  • 4
18
votes
2 answers

PTR record (rDNS) for multiple domains on a shared IP address

I host multiple domains on a single IP address: cats.com A @ --> 10.20.30.40 A mail --> 10.20.30.40 MX @ --> mail dogs.com A @ --> 10.20.30.40 A mail --> 10.20.30.40 MX @ --> mail I need to set up a PTR record for the IP address. This is so…
dbasch
  • 407
  • 1
  • 5
  • 12
17
votes
2 answers

Setting up SPF and DKIM records of a subdomain

I need to setup SPK and DKIM record for mail.mydomain.com. I have set the following at namecheap - For SPF - Record type :TXT Hostname : mail.mydomain.com Value : v=spf1 ip4:x.x.x.x ~all For DKIM - Record type : TXT Host :…
Aditya Singh
  • 281
  • 1
  • 3
  • 7
17
votes
5 answers

Access my server through SSH with the domain (with Cloudflare)

I have this server (44.44.44.44, for instance) running a webserver. I have routed pollnote.com to the server to access my webserver. Everything works fine. To access the server, I added my Public Key to .ssh/authorized_keys so I can do ssh…
Enrique Moreno Tent
  • 459
  • 2
  • 7
  • 19
1
2
3
…
99 100