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Questions tagged [http]

HTTP stands for Hyper Text Transfer Protocol and is the protocol used to transfer information around the World Wide Web.

HTTP is just one communications protocol on the web. Others include:

  • Transmission Control Protocol (TCP)
  • User Datagram Protocol (UDP)
  • Internet Control Message Protocol (ICMP)
  • Post Office Protocol (POP3)
  • File Transfer Protocol (FTP)
  • Internet Message Access Protocol (IMAP)

HTTP on Wikipedia

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If else condition Apache 301 redirect

I have multiple URL's that looks something like this : stage-app-platform-com.something.com stage.something.com stage1.something1.com I wanted to create an Apache 301 redirect rule which, if the URL contains the pattern app-platform should forward…
Spaniard89
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UPDATED: Why have I worked so much with URL rewriting when I can't accomplish a very small feat?

The originally intended title exceeds the limit; it is, "Why is a URL shortener rewriting http://cjsh.name to https://cjshayward.com when I want http://cjsh.name forwarded to https://cjshayward.com/books/?" I posted below a question asked after long…
Christos Hayward
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Error 503 Service Unavailable on Dedicated server

We have problem with Go daddy Dedicated Server hosting (Windows Hosting). This server crash on just 400 Active users.(Error massage is 503) & when we restart server its start again. but within 24hr we face that same problem. We regularly clear IIS…
Abhishek Sharma
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What is the benefit of the port portion of the "Host" header in HTTP/1.1?

Can anyone explain what is the benefit of the port portion of the "Host" header in HTTP/1.1? Is it so that we can have two or more websites with the same names (but different ports)?
user366037
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High availability of http service

I know this has been discussed many times. I read a lot about the subject. Let's say I want to have a failover between http services (a static web server, a load-balancer..) From what I understand, the only real options to me are: anycast virtual…
Pierre Ozoux
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How do I make it so that people can use "https://" on my domain?

When I put the 's" at the end of http for my domain name...this is what I see: This Connection is Untrusted You have asked Firefox to connect securely to mydomain.com, but we can't confirm that your connection is secure. Normally, when you try to…
Alex
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IIS server gives 406 error on trying to download .img file

We have an embedded product that download its firmware upgrade via HTTP using a program called nvtools. This works from a linux server using Apache. But we switched to a Windows server using IIS. Now we are getting a: "406 - Client browser does not…
Dennis Kerrisk
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How to apache to stop response to requests if alias or port does not match

I have more than one domain like example1.com example2.com. Some of them has SSL certificates and some of them does not. My apache listens both 80 and 443. If a domain has SSL certificates, I redirect that domain http requests to https. But I have…
xxlali
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Hobbit - XYMon - Configure HTTP API test

Xymon 4.3.0-0.beta2 Ubuntu 10.04.04 I am looking to set up a hobbit test for an API call to an HTTP URL I was given the following information, and all I can find is the ability to monitor HTTP URLS or PINGs and http Auth, but nothing like what I…
FreeSoftwareServers
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Iptables seems to be blocking outgoing HTTP connections

We recently noticed that outgoing HTTP traffic seems be blocked. Specifically we need to allow HTTP requests to a give website URL. I'm not sure if this is possible as I believe typically it must be allowed to a specific IP. However, the service…
Aaron
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Switch back from Cloudflare SSL - 301 Back to http?

I need to know how put a 301 Redirect in my htaccess which points https back to http. Can you help? I see plenty of posts for going from http to https, but not in reverse! I am switching back from Cloudflare and their SSL back to normal http - my…
Mike
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Server being spammed with a lot of POST requests

I am getting a lot of POST requests to my server that look like this. 5.113.41.160 - - [20/Jun/2016:16:05:20 -0400] "POST / HTTP/1.1" 200 9451 "-" "-" 46.52.87.170 - - [20/Jun/2016:16:05:27 -0400] "POST / HTTP/1.1" 200 9507 "-" "-" 125.108.136.161 -…
BeMathis
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Nginx in reverse-proxy : Content-length mismatch for bigger CSS files

I have a web application (developped with the java framework Play) behind a nginx reverse-proxy. When I request the pages, the bigger CSS files (Bootstrap.min.css and easyui.css) don't load. Chrome console displays net::ERR_CONTENT_LENGTH_MISMATCH…
Pierre-Yves Le Dévéhat
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Setting Squid3 server

I had cureently installed squid3-3.4.8 on Debian with following script #!/bin/bash # add Debian Wheezy backports repository cat < /etc/apt/sources.list.d/wheezy-backports.list deb http://ftp.de.debian.org/debian wheezy-backports main deb-src…
user359042
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Using awstats to monitor/graph visitors on a server that only serves images?

I have an apache webserver that serves up images. Lots of machine generated images (i.e. not static files). It doesn't serve any serious amount of html etc. files. A user might request many images one after the other, which is essentially a form of…
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