HTTP (Hypertext Transfer Protocol) is the protocol most commonly used to transfer information around the World Wide Web.

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Debian: some sites won't load

I have a strange problem. Today I installed Debian for the first time (I'm Windows user). I didn't touch any settings but I'm not able to load some sites. They are not related to each other at all ...
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191 views

Web page stuck in loading until i disconnect Internet, then it loads

I am searching for an explanation and solution for the weird behavior i observe in my 3G Internet connection when it becomes slow. While loading a page with the Internet being slow, it takes long ...
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2k views

Port Forwarding ADSL

I have TP LINK TD-8817 as my ADSL Router, and TP-LINK TL-MR3420 as Wifi Router. I've done to open port 80, based on this result *please see this picture and the problem is : when I access my ...
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Strange delay for http requests on my local network

When trying to access the configuration page of my router (192.168.1.1) or the website hosted on a vm I'm running, there is an initial delay of about 10 seconds and then the request fails. On reload, ...
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440 views

Accessing two HTTP servers on a LAN

In my home, I have a single Comcast modem connected to a D-Link router. The domain name myDomain.com points to my Comcast IP (yes, I know this is probably not okay, but I am only using it for ...
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135 views

I'm using Chrome stable on OSX how to redirect a url

I've just bought the latest 13in Mac Air and I'm trying to get it to redirect from the international Apple store to the Australian one. The url currently is store.apple.com but I want it to always go ...
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1answer
898 views

Get modification time of remote file over HTTP in Bash script

I'm creating a simple Bash script to extract the file modification time/date of a remote file via HTTP. Example file: http://example.com/bar/example.pdf Can this be done without downloading the ...
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431 views

Send HTTP request from server to another server and get the IP that replies

so I have to do this project, and I honestly have NO idea where to start. So basically, it will send a simple GET request to a web server, and then wait for a reply, and it will print out the IP that ...
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417 views

Why is HTTP used to transfer content other than hypertext?

HTTP stands for Hypertext Transfer Protocol, so why is it used to transfer content that isn't hypertext, such as images, JSON, JavaScript, etc? Or does the definition of hypertext include these? I ...
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85 views

Access home server from same network

I have a old home PC on which I host some private git repos. I push/pull using ssh, which I set up on port 54345. I also set up a dynamic DNS server (similar do dyndns.org) for accessing the PC from ...
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45 views

Setting a non-standard proxy

I am behind a proxy which requires users to login during the first connection with a username and password with a HTML form. Thus, it is not handled with usual http://username:password@proxy.com and ...
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Why a listen 443 default_server; nginx rule override already configured rule (http rules working normal way)?

I have an nginx and different subdomains: a.mydomain.com b.mydomain.com c.mydomain.com Nginx has 4 rules: 1) rewrite rule: server { listen 80 server_name gl.udesk.org; root /nowhere; ...
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96 views

Which browser does my computer use to open a Web page?

I know little about networking the Internet, but, from what I understand, it works — very approximately — as follows: I, sitting at the computer example.com, send a message saying, ...
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2answers
79 views

Untraceable malicious browser calls

I installed Fiddler 4 Beta to do some HTTP tracing. I found a lot of calls being made to sites like : facebook, collegehumor and a bunch of other sites I've never visited. Could not trace what/who is ...
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720 views

IIS 7 sending me to the default web page sometimes

I am working on setting up a IIS server (Windows 2008 R2) and just when I think I have it working, I hit refresh on my browser and it brings me to the default web page (the IIS splash page) instead of ...
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22 views

Mac OS-level Version of Chrome's Redirector Extension

There is a really handy extension for chrome called Redirector which allows you to specify regular expressions which match against URLs seen by the browser and automatically hijack/redirect your ...
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3answers
20k views

Copy all files from an HTTP folder location to a local folder

I'm a student and need to pull down lots of stuff from my professor’s website, preferably retaining some of the folder structure. I'm working on Windows boxes and have access to Windows XP, Windows ...
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383 views

gstreamer httplive streaming by soup plugin

I want to stream video from webcam by http live. I found that souphttpclientsink plugin can do this. But when I run this command: gst-launch-1.0 videotestsrc ! avenc_mpeg4 ! mpegtsmux ! ...
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479 views

Testing HTTP pipeline with nc, but got only one response

I'm testing HTTP pipelining with nc, So I've create a input file that contains the following lines, GET / HTTP/1.1 Host: localhost GET / HTTP/1.1 Host: localhost Now I submit it with nc, nc ...
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556 views

how to force web browser sends HTTP CONNECT request

when we use HTTP proxy, we can use it to visit websites with https. In ordinary http proxying, the browser sends HTTP GET in cleartext. HTTP proxy parse the HTTP GET request HOST line to know which ...
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173 views

Does pipelineing HTTP requests really result in faster page loads? Why?

A frequently cited argument is basically the one contained in this picture However, this does not reflect the reality of an underlying TCP connection which has to slowstart, and where the client ...
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2k views

what is the usage of port number in HTTP GET request

in HTTP GET message, there is a HOST field. Host The domain name of the server (for virtual hosting), and the TCP port number on which the server is listening. The port number may be omitted if ...
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88 views

Fast HTTP downloads freeze frequently

I've been having a problem recently when it comes to downloading files with fast speeds (of any size) using HTTP. The problem is mostly happening on a specific file-hosting site that I bought a ...
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32 views

My Macbook can't send out OPTIONS request anymore

I guess this is a rare issue since I have googled the answer for days but seems like no one has run into this before. What happened is my computer could make OPTIONS requests out to remote servers ...
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355 views

http ping to restart service

This tool checks if a website is offline or not. http://www.coretechnologies.com/products/http-ping/ I'm trying to create an automated process to run that file and check domain.com, if pinging fails ...
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2k views

Proxy settings for HTTP request using libcurl

I am fairly new to HTTP Protocols involving proxies and authentication. I am working on an application that runs on Windows and uses the host network to send/receive HTTP/S requests. It also uses ...
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112 views

Monitoring WI-FI HTTP requests?

I was just wondering if it's possible to monitor HTTP requests sent & received to a WIFI network. If so, how is it done and how can I protect myself from it?
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How to relax Content Security Policy in Chrome?

Lately, some websites such as Facebook use the Content Security Policy (CSP) to restrict loading of scripts from "untrusted sources". For example, when requesting Facebook HTML content (e.g. ...
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148 views

cURL wont download for me?

OS X 10.8.3, from a terminal I am executing: $ curl -OCv http://<URL>/<file>.dmg I get (for 2 seconds) % Total % Received % Xferd Average Speed Time Time Time Current ...
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1answer
5k views

Send a custom HTTP header to one certain host only

Is there a way (Firefox add-on or about:config setting) to send a custom HTTP header for requests to a certain host? Example: Send the header Foobar: true if (and only if) I request a resource from ...
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1k views

Connect to an https service using an http-only client

Is there a simple command line client that would be invoked something like this: http2https --listen localhost:80 --connect example.com:443 which would then allow me to effectively connect to ...
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700 views

curl (48) An unknown option was passed in to libcurl, cannot install composer

I'm trying to install composer via cURL but I cannot find how to download the phar archive. I've installed cURL from source activating in it's build ssl and ssh compatibility; I need composer to have ...
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352 views

cURL unable to interpret hostnames, proxy issue?

When using cURL from my ubuntu machine to merely GET from a remote machine, I seem unable to resolve the hostname and just get a Proxy Issue - The proxy has encountered an error (Error 21: Server ...
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534 views

Can't turn on Network Discovery because of services problems

Windows 7 SP1 Home Premium 64 bit with all the updates. Wireless network connection. I can't connect this PC to my NAS; none of the other PCs on the network, or the NAS, appear when I browse the ...
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105 views

url containing query string in vlc

I am trying to open a network stream in VLC. The URL of the content is of the form http://192.168.0.1:80/content/recordings?dataid=myid&key1=value1&key2=value2 Whenever I append the query ...
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670 views

readsocket: Connection reset by peer (WSAECONNRESET) (10054) [closed]

I'm using stunnel to tunnel SSL traffic to port 80. And up until today it's been working just fine. And indeed for a good amount of pages on my website it still works just fine but for some pages it ...
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1answer
1k views

Redirect/Block outgoing HTTP traffic for a specific URL in Ubuntu

On my Ubuntu server I have some custom software running, that connects to its vendor server to search for updates. While this is useful in general, the software is not supposed to update itself for ...
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87 views

Standard/RFC for HTTP sessions?

HTTP as a protocol is stateless. RFC 2965 defines the state mechanism for HTTP (cookies), but then there is also the concept of HTTP sessions. Cookies are used for tracking the user session (using ...
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2answers
2k views

unable to connect to localhost:80 after installing nginx

I just installed nginx by doing sudo yum install nginx and I'm unable to connect to it on port 80. I tried stopping iptables by doing sudo service iptables start and was still unable to connect. I'm ...
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312 views

Using wget does not give same output as browser

I am using wget for Windows (gnuwin32 wget-1.11.4-1) in Windows 8 and using it for a helpdesk tool called Kayako, telling it to poll from an email queue. The command line looks like this: wget.exe -O ...
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91 views

I have a CentOS Based server. Each domain has its own entry in vhosts. How can I find out what domains are using up bandwidth?

I have a CentOS Based server. Each domain has its own entry in vhosts. Everything is logged in /var/log/httpd/access_log. How can I find out what domains are using up bandwidth? It is running ...
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2answers
360 views

How would I go about hiding my country for HTTP browsing?

There's a filesharing site I used to use a lot which started blocking US IP addresses. I'm wondering what the best way is of continuing to download from there. I've explored a number of options. ...
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159 views

acess multiple http/s ports via subdirectories of port 80/443 with apache2

My problem is, that I have server applications using http but running on port 9001 for example. As I have webapplications running on port 80 and port 443 I can't simply change the configuration of the ...
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1answer
384 views

How can I set up a proxy for HTTP POST requests?

I have a web service that accepts POST requests. This is a network internal service where internet attacks are not a concern at this layer. However, it's not always fast. The user doesn't need the ...
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1answer
333 views

How does the browser know which packet is the response to a specific request?

I am sniffing the in/out packets over TCP. I have some GET output, but I want to know which of the packets is the input? How does the browser determine this? Simpler explaination: I'm sniffing and I ...
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1answer
98 views

how can i use process monitor to figure out what's happening with permissions?

I am trying to use this function in PHP move_uploaded_File to move a file to a different directory than the one it was uploaded to. However, even though the user has enough rights (iusr / iis_iusrs) ...
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5answers
610 views

How to get a more detailed view of web browser http process? [duplicate]

This thread does a great job at detailing the process of connecting to a web page and displaying it in the browser. But what I want to know is how can I track that process? Does Firefox or another ...
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1answer
422 views

How does client - web server mechanism of check for latest modified date work?

I know that a web browser check if a resource is modified/expired within a given timestamp to decide if downloading such resource or not. So, here come two questions: i) generally speaking how ...
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2answers
624 views

How does Http server distinguish between computers behind a router

HTTP servers usually operate at port 80. Yet NAT routers as most are these days assign port to outgoing requests so they would know when request is returned that which computer connected to it, it's ...
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1answer
94 views

What happens if i send html over tcp without using the http protocol? [closed]

Will the html be delivered properly to the browser, or will it lack formatting? Will it get delivered at all?