HTTP Stands for "Hyper Text Transfer Protocol", and is the protocol that applications use to access documents/webpages/data from the world wide web.

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Redirecting specific URL from HTTPS to HTTP

Long time lurker, first time caller... I have a backend like admin.mysite.com which is able to use HTTPS (has a certificate installed, etc) - but that admin portal is a CMS backend for a number of ...
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2answers
1k views

Pages that never finish loading: How to diagnose

Users occasionally complain, and we probably all occasionally see, a web page that never finishes loading. In Google Chrome the spinning circle will run forever, each browser has it's own version. ...
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211 views

Can a web-server be reached in other ways than through `HTTP` or externally?

A server hosting an application built in PHP: Can the server be reached in other ways than through HTTP or externally? Is GET and POST only populated through the HTTP protocol? Is HTTP headers, GET ...
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5k views

IP Address headers (Remote_Addr) - When is this header sent by the browser?

I want to know when a browser includes the header - Remote_Addr in the HTTP request. I observed the request sent by the browser on loading stackoverflow.com, in the web console window of Firefox. ...
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2answers
3k views

Mod Rewrite - directing HTTP/HTTPS traffic to the appropriate virtual hosts

I have an Apache2 web server (v. 2.2.16) running on Debian hosting three virtual hosts. The first two hosts are HTTP only (server1 and server2). The last host is HTTPS only (server3). My virtual host ...
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51 views

AMP Pages on HTTP or HTTPS?

Next month Google Search will integrate AMP pages. These are pages that are designed to work rapidly on mobile devices even when using a poor network connection. Should I host these AMP pages on a ...
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2answers
1k views

What’s up with this 302 redirect to the same URL?

I was scanning my website for links that point to HTTP 301/302/303 redirects when I found a puzzling behavior of the curl utility. Consider the output from the following three commands: $ curl -I ...
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1answer
376 views

Trailing slash on Root folder - Is it possible to remove it without 301?

I have noticed something very strange on the site I'm working on. We currently only show http://www.example.com. The URL http://www.example.com/ (slash at the end) gets 301'd to ...
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1answer
7k views

Redirect HTTPS request to HTTP in Apache

Can an HTTPS request be redirected to an HTTP request in Apache? If so, how?
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108 views

Which content or HTTP status should return unused domain?

We've recently bought couple of domains but the content of the domains is still under development. Which content should we upload to the domains to tell search engines "There is currently nothing, ...
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4k views

http://www.example.com/http://www.example.com/ in Apache log?

I run a website, let's say www.example.com. On it I have a path and file, say www.example.com/path/file.html. The Apache log lists GET requests like: GET /path/file.html HTTP/1.1 Which is correct, ...
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40 views

if an HTTP page can be cached by proxy should I put “noindex” in the HTTPS version or not?

I have a Blog where each page have a static version served with dynamic url mysite.com/mypage?logged=false over HTTP, and a dynamic version served with dynamic url mysite.com/mypage?logged=true over ...
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72 views

406 Not Acceptable response

I'm getting a 406 Not Acceptable response from a GoDaddy Shared Apache server upon making the following request through posting a form directly from the browser: HEADERS: Host: url User-Agent: ...
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2answers
109 views

Incorrect Referring URLs - What can be the cause?

I am running a website with affiliate links . When the visitors of mydomain.com/page.php click on such an affiliate link, they are being sent to a link on a domain owned by the affilate network ...
2
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1answer
39 views

Cache HTTPS + SSL

A lot of resources claim that websites with HTTPS + SSL will not be cached. Is this true? If so, why? If so, can this be prevented? I heard that this depends on the browser, but that the most ...
2
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1answer
73 views

Why was 303 skipped in HTTP/1.0?

While looking back over HTTP response codes today I noticed that the 301, 302, and 304 response codes were defined in HTTP/1.0 but not the 303 response code. Does anyone know why the number 303 was ...
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2answers
397 views

Phpmyadmin http password security

Is my password sent unencrypted when using Phpmyadmin through http? If not, is there any downside using http compared to https?
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1answer
33 views

requesting for downloadable files via HEAD

I bet google is checking web pages via HTTP HEAD and HTTP GET request methods. So I'm thinking I should also allow proper header output for downloadable files from my website via HTTP HEAD request but ...
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2answers
367 views

What can cause the size of HTTP response to vary for the same response body?

I am trying to understand why the web server behaves differently for the following bad requests: Method Proto Status Req Body Res Referrer ...
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2answers
148 views

HTTP code 403, access denied & Options -Indexes

at "webmasters.stackexchange.com" I already found a similar topic: Stop directory listing using .htaccess and redirect to good error page Options -Indexes ErrorDocument 403 /path/to/403.html ...
2
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1answer
625 views

Could too many HTTP requests using AJAX result in browser crashes?

We are running an ASP.NET web application, and recently we received a lot of crash reports from users. It sometimes crashes the Chrome browser, and sometimes it loads indefinitely. This is how our ...
2
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1answer
213 views

What was this hack-bot trying to achieve via directory traversal?

I was walking through my server logs and the following kinda stunned me: ACCESS ERROR 404 from IP 62.112.152.161: Path: /index.php?page=weblog&env=../../../../../../../../etc/passwd%00 ...
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1answer
122 views

Google is not seeing my HTTPS website

I have a website and it is working with HTTPS, programatically when someone got to HTTP it forward him to the HTTPS version. My issue that I see that Google Search is not seeing my pages, the website ...
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2answers
2k views

https:// search results appearing on Google for purely http:// site

I started weeding through my site's search results from Google today, using a site: search, to determine if there are any links that cause 404s and thus need redirecting. To my amazement I noticed ...
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2answers
168 views

Deleted files still accessible without www in url

I have deleted all files and all hidden files off my server, there is nothing but log files which cannot be deleted. Ironically, files are accessible when nothing is there. Cache cleared, multiple ...
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1answer
523 views

Reduce HTTP Requests method for js and css

Is these way can Reduce HTTP Requests? multiple javascript files with & symbol <script type="text/javascript" ...
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1answer
1k views

How to tell Google to stop crawling my website via IP?

After a database server migration, I've noticed that GoogleBot started getting errors when trying to crawl my site. The reason seems to be that it is hitting my site via IP address (and due to my ...
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2answers
763 views

Using HTTP (insecure) ad providers on HTTPS (secure) site

As more and more browsers adopt stringent checks around preventing insecure content served up on secure sites, there is impact on the use of ad networks which in many cases don't support the secure ...
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3answers
2k views

Why is a # sign added to the end of URLS?

Note: I'm asking this from the perspective of the site developers (trying to help someone there). not as a user. Please don't forward this to superuser.com. It's a server admin question. Have a look ...
2
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1answer
51 views

http header if not modified help

I am having a little trouble with sorting out my HTTP headers for my sites. I am currently setting up Varnish on my server and so trying to get everything working correctly. All my sites are ...
2
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1answer
36 views

Is granular http logging for an application handled at the application level or the http server level?

I need to log all requests coming into the server. Typical things you would get from Apache log formatting or IIS. I am using a WSGI standards based server, Apache mod_wsgi, gunicorn, Tornado. It ...
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2answers
59 views

Caching a changing site

I run a website where the static content changes at least 4 times a week and I'm trying to figure out the best header arrangement to use. Currently I have all caching related headers in use. I have ...
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2answers
112 views

Should I make a page for every HTTP error?

I know that it is important to have an error document for 404, 403, 401 and 500. But what others, if any should I make to be completely sure that users do not see the default apache error page?
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2answers
154 views

How can I prevent HTTPS on another domain from wrongly showing on my HTTP-only domain?

So, I have a blog at domain.com. This blog is HTTP-only because I would gain almost nothing from adding SSL support. I have a web service now that I want to enable SSL support on that runs on the same ...
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60 views

Is this considered to be “Internal Near-Duplicates”?

Some people generate the same pages with a slight variation in keywords, title, country name, region name, etc... This is typically considered to be "Internal Near-Duplicates." I have seen a website ...
2
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1answer
91 views

Need a study about average latency due to HTTP request and server processing time when downloading images that are a part of DOM

I'm writing a thesis about css sprites and need to know the of the average HTTP request overhead when establishing a connection to download an image file that is a part of DOM. We conducted a study ...
2
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228 views

http request terminating early

I noticed that on some of my sites, images were occasionally not getting downloaded fully. After a bit of investigation it appears that it is not restricted to images - .css, .js etc were also ...
2
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1answer
1k views

Avoid the login popup when using http-auth

I have an Apache. Under the DOCUMENTROOT is a folder with an .htpasswd file for http-auth. If I open the browser and request the content in the folder I get an Popup to login. Is there a way to avoid ...
2
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1answer
94 views

Is it possible for a web-server to send more files than requested for, and have the browser accept them?

I've created a basic web server for a school project, and it serves static content without a problem. I thought of having the server parse all htm/html files for links to .js/.css/image files, and ...
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1answer
362 views

Recommendations on how to validate an web server?

Does anyone know of any tools that can be run against web server to determine how compliant the server is with the various HTTP specs?
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196 views

How to filter GET requests with Nginx, keep getting 504 after [GET] “/manager/html”

I was recently unable to reach my website, receiving a 504 time-out error instead. I checked the logs and found a GET request for /manager/html. I realize this was a failed attempt to reach a control ...
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2answers
91 views

Verifying that a user comes from a 'partner' site?

We're building a Drupal module that is going to be given to trusted 'corporate partners'. When a user clicks on a link, he should be redirected to our site as if he's a logged in user. How should I ...
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2answers
4k views

How to forward a [sub]domain to another address? (not just HTTP!)

I have bought domain1.me from GoDaddy... (yeah, I know... but ME domain registrars seemed quite hard to find...) I'm mainly hosted at 1and1. I have registered subdomain sub1.domain1.me and redirected ...
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3answers
221 views

HTTP occurring twice in a URL

I ran into a website today that had two URLs and I'm completely stunned. The website, not to be specific, has a full address of http://example/cat/http://example/dog. I will say that the first part is ...
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2answers
104 views

HTML: Images always getting reloaded from server

I am finding that my web pages' images are always getting loaded from my server, even though they never change. Since these are images, not pages, I can't include an expiration date for them... How ...
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3answers
101 views

Confused about domain names

I am confused about the difference between http://www.example.com and http://example.com, is that true "www" is actually the subdomain of domain example.com? Do people usually redirect from ...
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1answer
165 views

URL appearance in Google results

Why do some Google results show the http prefix in the green URL and some don’t?
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4answers
951 views

How do I know whether a URL returns an HTTP 404 status code?

For any given URL, how can I (dis)confirm whether it returns an HTTP 404 status code? I found this tool but isn't there a cleaner, more natural way to find out, independently of other people's tools? ...
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2k views

Lots of HTTP HEAD requests originating from porn sites

The access log on my web server has a ton of HTTP HEAD requests coming from porn sites. What are HEAD requests and are they doing something bad with my site? Here is an excerpt from my log: (valid ...
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1answer
466 views

Are there any differences between URLs with and without “www” and “http://”

Are there any differences among these addresses? www.example.com http://www.example.com example.com