All Questions
474 questions
47
votes
6
answers
13k
views
When webservers send a page, why don't they send all required CSS, JS, and images without being asked?
When a web page contains a single CSS file and an image, why do browsers and servers waste time with this traditional time-consuming route:
browser sends an initial GET request for the webpage and ...
- 580
34
votes
3
answers
10k
views
Is there a difference between an empty robots.txt and no robots.txt at all?
On a webserver I now have to admnistrate I noticed that the robots.txt is empty. I wondered if there's a difference between an empty robots.txt and no file at all.
Do crawlers behave differently in ...
- 453
33
votes
2
answers
34k
views
Can I use different nameservers for different subdomains?
Suppose I have example.com and the nameserver I'm using is the one from the hosting server where I'm hosting the main site, say mainhosting.com.
Now suppose I add a new subdomain e.g. bla.example.com ...
- 564
17
votes
6
answers
5k
views
How do shared hosting providers know you own a domain when you point the DNS to their server?
I recently set a server up on Digital Ocean. The process of pointing the domain to Digital Ocean name servers was as easy as updating them on the registrar's website, and just adding them to my server....
- 273
16
votes
1
answer
481
views
Is it time to add IPv6 access to my websites?
I have several dedicated servers and VPS servers, and some of those are at companies that have provided me with native IPv6 blocks (in addition to the IPv4 IP addresses).
Does it currently make sense ...
- 353
15
votes
1
answer
4k
views
Why do I need at least two nameservers?
I own several domains, all hosted with Northhosts, but however I register my domains at GoDaddy (since they're cheaper).
When I receive my 'New Account Information' email from Northosts, they always ...
- 233
14
votes
3
answers
9k
views
How does DNS detect changes in nameserver IP address? [closed]
Suppose I have a domain such as example.com and I configure the domain's primary and secondary nameserver to be ns1.example2.com and ns2.example2.com.
Questions:
Does the IP address of the ...
- 317
11
votes
1
answer
35k
views
How to find what is maxing out my entry processes?
My site has been going down due to the max number of Entry Processes being hit. Here's a screenshot from cPanel:
Looking into the Resource Usage Details, I'm seeing I/O and Entry Processes max out as ...
- 291
10
votes
2
answers
5k
views
How long does propagation of newly registered private name servers typically take?
I have an account with Hostgator, and have registered private name servers (ns1.mydomain.com and ns2.mydomain.com). How long should I expect to wait for those changes to take place? Should my ...
- 1,576
10
votes
3
answers
2k
views
How the name server is resolved if its from the same domain?
My understanding is, if I browse to example.com, first my computer will ask the root nameservers about the .com TLD nameservers, and it will be given the IP address of the .com TLD nameservers. Once ...
- 143
9
votes
3
answers
18k
views
What nameservers should I use for GitHub Pages when using a custom domain?
I am using a custom domain for a GitHub Pages site. They said to set CNAME or A record. But what nameservers should I use? What is the default, or should I leave it blank?
9
votes
3
answers
8k
views
What is the recommend procedure for changing nameservers with DNSSEC enabled?
Do I need to disable the DNSSEC DS record and DNSSEC, let that propagate, and then change nameservers only after that has well propagated?
- 251
8
votes
1
answer
344
views
Disqus-like comment server
I'm looking at setting up a blog, and I think I want to go the static website compiler route, rather than the perhaps more conventional Wordpress route. I'm looking at using blogofile, but could use ...
wxs
7
votes
3
answers
7k
views
How do websites share the same IP address?
I have always been confused by the idea that multiple websites sharing the same IP address. I mean if there is a webserver out there that has an IP address. I can simply key in this IP address with ...
- 71
6
votes
4
answers
2k
views
Why do we have to pay for web hosting rather than do it ourselves?
I am very unfamiliar with this concept, and have seen something's around the web that just don't make sense to me.
I am curious as to how you can build your own website. Then host it on your own home ...
6
votes
2
answers
13k
views
Using one IP for Nameserver like NS1 and NS2
Please I like to know why I can't use my one IP on my nameserver like:
ns1.mydomain.com = 67.111.78.12
ns2.mydomain.com = (but the IP could be assigned here)
- 81
6
votes
3
answers
2k
views
Will Changing My Websites Static IP Address cause any DNS issues?
I've decided to downgrade my hosted server since migrated my eCommerce website to Shopify.
Nothing important is actually hosted on the server. The only critical thing would be the domain DNS records ...
- 61
6
votes
6
answers
28k
views
How to access a website hosted on a shared server (and IP), when its domain is not working?
I'm trying to find out alternative ways to access a website (not mine), which has temporarily lost its domain name due to it expiring. The site owner didn't realise the domain would expire and it has ...
user26888
6
votes
3
answers
10k
views
Which is better between changing Nameservers and changing DNS "A" Records?
I have my hosting on Godaddy and domain on another server. So I was thinking which would be a better option to point the domain to Godaddy hosting
Change the name server to that of godaddy.
Change ...
javangelo
6
votes
1
answer
735
views
What's the point of cross-origin resource sharing if there's a bunch of CORS proxies running?
I never really liked the direction CORS (cross-origin resource sharing) is taking. I think there's a misconception how client-server communication should work.
The general concept is:
User: Hello ...
- 273
6
votes
1
answer
5k
views
Nameserver problem
I recently bought a new VPS, and I was trying to set private nameservers in my domain cPanel.
I went ahead and added 4 A records:
ns1.mydomain.com - points to my IP
ns2.mydomain.com - points to my ...
- 61
5
votes
4
answers
20k
views
How to move IIS7 site from one server to another
What is the process to copy an entire .NET website from one server to another server? Both sites are running Windows Server 2008, IIS7, and SQL 2008?
The base site is the live site
The new site is ...
- 1,328
5
votes
2
answers
12k
views
Changing hosting for a domain but keeping email
I’m a web designer with minimal knowledge about DNS records etc.
I have a client who currently has a domain registered with LCN. They also have their email provided by LCN and they currently have a ...
- 51
5
votes
1
answer
1k
views
Which is more supported by web clients (browsers): SAN (Subject Alternative Name) or Wildcard SSL Certificates?
Which are more widely supported by browser clients, wildcard or SAN certificates?
I need to decide between using a SAN cert or a wildcard cert. Client/browser compatibility is my biggest concern.
- 153
5
votes
1
answer
1k
views
Will it hurt SEO to remove the '.html' extension from static pages such that they get served as 'text/x-generic'?
If we want to go with static website, we generate static html files of pages with names like contacts.html and we may add to our .htaccess file the lines like
RewriteEngine On
RewriteRule ^(([^/]+/)*[...
- 257
5
votes
1
answer
2k
views
Should we allow HEAD requests?
Our web application is predominantly read-only. As such we only allow GET requests. However, we regularly get errors in our logs because of user agents making HEAD requests. I've seen these come from ...
- 181
5
votes
2
answers
286
views
How to check if a visitor is on my website?
I want to build a website that only one person at a time can visit.
How would I accomplish this task?
I looked at Web counters built in php, but I don't think this is the right solution. Is there an ...
5
votes
4
answers
4k
views
Nameservers and DNS - Appropriate Steps to Move to A VPS?
I bought a VPS and I am trying to transfer my domain over to the new server, I took two steps so far, but I don't think I did it quite right as its been 24 hours and most all DNS check sites still ...
- 151
5
votes
1
answer
334
views
Need to set up cgi on VPS to execute Perl (.pl) files
The server is a VPS running CentOS 7 64bit with CyberPanel. Perl is already present (ver 5.16.3) and will run scripts from the command line.
However, clicking a link to a Perl script just results in ...
- 73
5
votes
2
answers
2k
views
How to setup CloudFlare Origin CA with a wordpress server hosted on Amazon AWS?
Many might know that recently CloudFlare introduced something really amazing for everyone with a domain: CloudFlare Origin CA.
I have a WordPress website hosted on Amazon AWS, and what I initially ...
- 151
5
votes
0
answers
63
views
Can I use a reverse proxy service to route web requests to some other port than 80 on my home server to avoid breaking my ISP's ToS?
Is there a way to route all requests thru a proxy service, like Amazon Gateway, to specific ports on my home internet?
This will increase security at my home and will allow me to operate with the ...
- 151
5
votes
2
answers
370
views
Are webhosts that require NS instead of a CNAME common?
I've just signed up with a webhost (which I prefer not to name) and I'm reasonably happy with it. The only nit was when I was ready to put a site online and I asked the support line to what name I ...
- 323
4
votes
1
answer
14k
views
How do I determine if a redirection was due to DNS or the webserver?
I had an issue this week where the webhost altered my DNS settings, but the website, whether I typed in example.com or www.example.com would always resolve to www.www.example.com and I couldn't figure ...
- 173
4
votes
2
answers
106
views
4
votes
2
answers
5k
views
Setting up VPS: How to configure name servers
So I got a VPS set up (LAMP) and have transfered a couple of sites over. Now I want to point my domain names from the old host to the new VPS host, which does not have any name servers yet.
On my ...
- 1,373
4
votes
1
answer
3k
views
Which comes first DNS or name servers?
Which comes first? DNS or nameservers?
Its just I'm editing a domain and want to point it to different hosting servers. Now, normally I'd just set the nameservers to the new hosting nameservers, but ...
- 301
4
votes
2
answers
124
views
Saving website copy and browsing saved copies
How can I automatically save site's copy each week with an option to browse saved copies? I need kind of WebArchive, but on my local computer.
- 193
4
votes
1
answer
6k
views
apache virtual hosts on LAN
i have 3 domains pointed at my linux box, apache2 virtual hosts is set up so that each domain loads the appropriate webpage when you visit it outside of the LAN.
my trouble is trying to view the ...
- 43
4
votes
2
answers
105
views
How do I tell who manages the domain when registrar = registrant
I am trying to track down the owner and/or domain host with a view to buying a specific domain. Fairly standard BUT, the registrant name is a person and they are also the registrar. No email details ...
- 41
4
votes
2
answers
1k
views
Can I have a backup name server?
Is it possible to have a third backup name server in case the first two fail?
Recently I had a site go down for about an hour when a CloudFlare datacenter went down. We have the option of setting a ...
- 115
4
votes
1
answer
330
views
Can I have a webhost with one company and an E-Mail host with another? [duplicate]
Possible Duplicate:
How do I leave mail at the registrar while serving the web from host?
I was wondering if it was possible to use one company (and respective name servers) for email hosting, ...
- 63
4
votes
1
answer
687
views
Redirecting domain from one web host to another
First time I've ever had to redirect a domain from one web host to another. I'm not moving the domain registration as the domain is due to be renewed soon so don't want to risk any complications.
I'...
- 195
4
votes
2
answers
126
views
How to prevent domain mirroring?
My URL = https://mydomainurl.com/example-post
URL B = https://mirroringurl.com/cdn/example-post
All HTML code at "URL B" is the same as the one at my URL, and when I change anything at my site, "URL ...
- 155
4
votes
1
answer
2k
views
Can GoDaddy unlimited bandwidth hosting handle 8000 simultaneous users or should I purchase a dedicated server?
I developed an online admission software for College Admission.
I have a Deluxe shared hosting in GoDaddy. As per them, I am getting Unlimited bandwidth for my domains.
The software will be hosted ...
- 141
4
votes
1
answer
590
views
DNS taking weeks to propagate just in my area
It has been over two weeks since I changed over my DNS information on my new host. I still have my old hosting account setup through HostGator and it is still using the HostGator nameservers in my ...
- 141
4
votes
1
answer
4k
views
Reading .mht webpages from server
We have some .mht files which load fine from local files but when loaded from the remote webserver display as junk text.
What can I do to make them work correctly from our webserver?
- 141
4
votes
1
answer
2k
views
How to enable more file formats for GZIP/Deflate Compression
I enabled gzip/Deflate compression on our servers per Google's Page Speed directives, and it looks like it's now compression html/php files, but a couple file formats aren't being compressed that ...
- 447
4
votes
1
answer
905
views
Nginx subdirectory wordpress wp-login redirects to 404 not found
server {
location / {
try_files $uri $uri/ @extensionless-php;
}
location /shop {
try_files $uri $uri/ /shop/index.php?q=$uri&$args /shop/index.php?q=$uri&$args;
...
- 81
4
votes
3
answers
5k
views
Apache2 Ubuntu 16.04 Impossible To Get CORS Working
When visiting my website I get an error in console tab (using Firefox). The error is:
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at somewebsite. (...
- 49
4
votes
4
answers
2k
views
Restrict webserver access to specific set of URLS only
Is there any possible way to setup and restrict access web server to specific set of URLs only. I want my web server only respond to www.abc.com, www.abc.com/videos, www.abc.com/videos/vandor-1, www....
nasir