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I host some services at home myself and so far have only used DNS records and self-signed certificates for them. Now I'm having some issues with self-signed certificates (some apps are not working properly) and am trying to get a public domain to fix these issues. Before I do that, I just want to clear up one question that I have.
If I had my own public domain, let's say example.com and created a local subdomain, let's say plex.example.com. Can I create a Let's Encrypt SSL Certificate for this local subdomain? or should the subdomain also be public?
As I understand, you can use wildcard certificate for subdomains. For example, you can obtain certificate for *.example.com and use it for all your subdomains.
However, you cannot obtain non-wildcard certificate for a local network. See the guidance from CA browser forum:
4.2.2.Approval or Rejection of Certificate Applications
CAs SHALL NOT issue certificates containing Internal Names (see
section 7.1.4.2.1).
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I have a website running on wordpress (Bitnami).the server is on an AWS behind an elastic load balancer. However, when i hit the wordpress website, it is taking too long to respond.
There is another nodejs API that is running on the same AWS server (on port 4000). That is returning a response pretty fast. So, this would not be a DNS resoulution issue.
Any idea how i can debug the reason why the wordpress website is taking too long to load?
This will likely be a security group issue judging on the behaviour you're experiencing.
Ensure the following:
The Load Balancers security group allows inbound access (port 80 for HTTP, port 443 for HTTPS)
The instances security group allows inbound access from the load balancer (on the port the application should be loaded from).
Check the health of the host in the load balancer interface within the console.
If the database is external to the instance host (i.e. another server or RDS) then ensure it supports inbound access from the instance (port 3306 for MySQL).
If the database is running on the same server (the default for bitnami) ensure it is connecting to the host as localhost.
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Some URLs have both https and www.
What is the reason behind this?
For example, https://www.facebook.com starts with https://www. Is this redundant?
https is the protocol. It stands for hyper text transfer protocol (over TLS).
It means that you surf on websites and it is encrypted. By default, the protocol is http(no encryption) but this is often redirected to https.
www is the server.
It can be anything but in most cases, the web server is www. Also, the domains redirect you to the webserver (if it is configured that way) if you don't type it in explicitely.
Lastly, facebook.com is the domain.
Facebook registered to own the domain facebook.com. (.com are normally commercial websites) With that, they can deploy servers on addresses that end with .facebook.com in a way that they are found.
e.g. https://www.facebook.com means that you want to talk using the protocol https(secure web transfer) with the www server of facebook.com.
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I want to redirect my static IP to my domain.if entered IP its redirect to domain and show domain on URL. My web site is http://www.ramadoor.co and ip is : 87.247.179.84 .its on IIS and ASP.NET webform.Tanks
May be it helps you.
If the IP is assigned properly in the site binding and you're not using a host header then all you need to do is ensure that the domain name is registered and the A Record (host record) in DNS is pointing to the IP of the site.
It sounds like either DNS is not configured properly or the IIS site bindings are not configured properly or within your application there is some type of redirect occurring.
Add a binding to a site IIS 7
http://technet.microsoft.com/en-us/library/cc731692(v=ws.10).aspx
Configure a Host Header for a Web Site (IIS 7)
http://technet.microsoft.com/en-us/library/cc753195(v=ws.10).aspx
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I have server, bought from Linode. I decided to setup a mail server on it. I have about 20 domains will be pointing it.
I have a couple of questions;
This is the combination i will use; postfix + dovecot + squirrelmail. Are there better alternatives? I am completely open for recommadations because this is the first time i will setup a mail server.
Is it possible to use multiple domains with one mail server?
If it is possible to work with multiple domains, is it require a complicated and painful configuration?
Note: I can't use Google Apps because 40 EUR for per mail address is very expensive when you have a hundred mail address.
You have to have at least a basic understanding of how DNS works. It can be kind of a pain, but if you use one of the postfix plugins for management, should be fine. But yes, multi-domains on the same server is fine, it just has to know that it is representing those host hame records, and your DNS for your domains needs to be configured to have the MX records point at your server's IP.
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I have a couple of personal web-based projects in the pipeline, and am unable to chose how to host them.
I have questions in the area of domain names and actual file hosting (which I believe are separate topics, though many companies provide both).
Domain Names
I have a domain name registered with Freeparking.co.uk, but they don't offer the kinds of services I think I need. Can I just transfer the domain name to somewhere else? Apart from anything the only thing they do is to host a page with a full-page frame on it, which I configure a URL for. Basic URL hiding, but that means that people can't bookmark specific pages in my websites.
Hosting
I wish to host ASP.NET applications (plural) using SQL Server 2005. What are the steps to choosing a hosting environment, and how do I connect the domain name to the hosting environment?
Domain names are best kept separate from the hosting. Decent domain registrars let you freely define name severs, which in then give the IP address for the domain. Typically (but not necessarily) these name servers are provided by the hosting company. So, the steps are:
Choose the hosting provider (sorry, I have don't recommendations on ASP hosting providers).
Configure the name servers so that at least the A record of yourdomain.com points to the ip of your server (this is often automatically done by the hosting company).
Configure your domain name at the registrar so that it refers to the the above mentioned name servers.
Also the domain name registrar can provide the name server stuff, or you can use for example EveryDNS.
your domain name is just an IP address in their Name Server which drives Domain Name System - DNS. Check that Freeparking actually do NameServer stuff.
You can choose what ever host that meets your requirements.
your host will have there own DNS system (ie the IP address of the server that will be your web application host).
Ask Freeparking to point your Domain Name the name at the new IP.
I needed the same ASP.Net and SQL and went for DiscountASP.net (although they are in the US), excellent service so far =>
They also do the email side too. The MX part of your domain name.