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

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SSL of domain redirecting to plesk panel default screen [closed]

I have plesk setup on my linux server, where we have a subscription setup for a website 4ti.co.uk We are getting a strange error where if you go to the domain using https://4ti.co.uk it directs you ...
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2answers
25 views

tcpdump http containing non expected payload bytes

I am monitoring an openvpn link with tcpdump a la tcpdump -i tun5 -w capture.dump -W 100 -C 100M -s 0 -n There is http/xml traffic going over that link which is basically caputered just fine. However, ...
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14 views

How to configure virtual host to stop foreign domain traffic [duplicate]

In the question How can I stop someone from displaying my website on his domain? someone suggests a solution using virtual host configuration. Can someone indicate how to configure virtual host ...
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1answer
30 views

Nginx two servers were invoked when processing 1 request

Seeing this in nginx logs: "upstream": "52.86.112.192:443, 52.86.78.197:443", "upstream_response_time": "7.005, 7.016", The documentation of nginx says: If several servers were contacted during ...
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35 views

Very slow outgoing requests, from **some** servers

In this case, it's an HTTP request to https://www.instagram.com/, but it has happened before like this. From my home (Ubuntu, i686) server it's very fast (~ 0.3 sec). From my online, modern (Ubuntu, ...
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1answer
49 views

Forcing HTTP to HTTPS causing 404 error

I have a website based on WordPress, and one section of it is built by external programmers (the backend). I was able to force all connections to go on HTTPS instead of HTTP using a plugin for the ...
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48 views

Tomcat access log - body of a request shows in the next request

I have a weird behavior in my tomcat (7). An external app sends a bunch of DELETE requests with a body to my TomCat WebApp. The body is being neglected in the webapp (I dont know why the app sends ...
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16 views

Reverse Proxy Setting in Apache for Web Socket and Custom Ports

Can someone help me please to modify following reverse proxy setting to handle a custom port coming in QUERY_STRING of the URL. Here rest of the setting are fine but I'm not getting how to replace ...
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1answer
144 views

How to turn off partial content response in apache

I was playing around with apache and a chromecast with video, and as far as I can tell, the local video will only play on the chromecast if it gets a 200 response, rather than a 206 response. Is it ...
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103 views

NGINX: Check if SSL (HTTPS) is available, if not, redirect to HTTP

The current config is: server { listen 80 default_server; listen [::]:80 default_server; listen 443 ssl default_server; listen [::]:443 ssl default_server; listen 192.168.0.5:80 default_server;...
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19 views

urllib3 failure through Apache/WSGI; successful from python commandline

I have a webserver serving Django through Apache 2.4 with mod_wsgi and Python 2.7 on Ubuntu 14.04. When first setup, outgoing connections from this webserver using the Python library urllib3 were ...
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59 views

foreman provisioning fails with timeout

Hello I have a problem with foreman provisioning on ovirt. It fails getting the kickstarter file and says: Failed to fetch kickstart from http://foremanurl/unattended/provision?token=. Then I get ...
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1answer
104 views

Prevent HAProxy from redirecting HTTP to HTTPS

I'm using HAproxy to load balance requests between Apache servers. I'm trying to disable HTTPS for a special use case (serving of kickstart files), and I'm using port 8000 to do this. I have an ...
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1answer
28 views

HTTP server is requested a domain it doesn't host. What to reply?

I'm trying to create a web server using node.js, (just as a learning project, not to be used in production, I know of expressjs), and I'm not sure what to do in the case I mentioned in the title? I'...
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2answers
106 views

How to setup 2 domain at the same nginx server, 1st on HTTPS, 2nd on HTTP?

I have a nginx config like this First Block: server { listen 80; server_name abcd.info; return 301 https://$host$request_uri; } server { listen 443 ssl http2 ...
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1answer
24 views

HTTPS activated, how to refuse HTTP connections [duplicate]

I recently installed an SSL certificate on my server and now HTTPS seems to work for all the pages. However, the server is still accepting connections from HTTP. How do I enforce HTTPS? I use a ...
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2answers
67 views

routing nginx request through index file

I would like for nginx to process: http://dev.mydomain.com/about-us as http://dev.mydomain.com/index.cfm/about-us While loading the index.cfm file, Nginx must also pass along the "cgi path info" (/...
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1answer
175 views

Nginx request_time slower with HTTP/2

We are running nginx/1.9.10 as a frontend server with multiple application server as upstream. We are using plain http, mostly https and switched to http/2 in the last weak. We are logging like this:...
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24 views

Issues with URL length in Apache/mod_wsgi

I have a python wsgi API in which I process incoming URL payloads of varied length. I believe, but am not absolutely sure, that I may have run into a limitation of URL size. For a particular payload (...
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0answers
26 views

Apache2 virtualhost serving on unspecified domains

I'm trying to set up my amazonaws EC2 instance with a wordpress HTTP server (blog.mysite.com) through apache and a node/express HTTP server ([www.]mysite.com) both running on port 80. From what I've ...
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47 views

Max HTTP request time for requests and downloads

What is the maximum http request time for the following: A. a Request that the server sends a few bytes of a Response every 5 seconds for 1 hour B. a Request that the server does not begin sending a ...
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1answer
38 views

What are the downsides of http compression?

I always was aware that http supports gzip compression, but never cared about it. I counted on that the servers and shared hosts I use would have activated it by default (I'm more of a frontend ...
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20 views

Measure goodput before sending a response

My idea is to make it possible for web applications working on slower connections to fallback on alternative smaller asset versions(like images, videos, etc.). HTTP Live Streaming has similar behavior ...
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1answer
46 views

is proxy server behind VPN trackable?

Hi there, I have this interesting question. HTTP communication goes from PC to Proxy server, then proxy server is connected to VPN server, and from VPN server data goes to internet. Can anyone in ...
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18 views

Adding a default front page to Reporting Services 2014

I have installed SSRS 2014 on a server, and it works fine. But when a client connects to the server on HTTP/HTTPS, they get a 404 unless they add /Reports to the url. Is there some way I can add a ...
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1answer
183 views

Testing HTTP/2 using `openssl s_client`

CloudFlare’s blog post on tools for debugging, testing and using HTTP/2 mentions this approach to finding out which protocols are supported by a given server: $ openssl s_client -connect www....
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2answers
358 views

RHEL Nginx SSL versus non SSL performance huge difference.

I'm in the process of setting up an Nginx 1.8 reverse proxy. In short - Serving HTML content HTTP traffic is up to 50x faster than HTTPS. Serving ProxyPass HTTP traffic is up to 7x faster than ...
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43 views

software for sharing data through URL (HTTP/HTTPS)

do you know about software, which can provide sharing files or folders through generated URL links? Software, which I can implement on my own server? Something like guest links on Sharepoint or ...
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8 views

Does an http response from IIS reflect any of the querystring arguments

So http is stateless, meaning that an http response should in theory never reflect any querystring arguments as part of the raw http response. Is there ever any way by default in IIS7 that arguments ...
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1answer
129 views

Apache: Redirect everything from www to non-www using https only (including HSTS)

My goal Everything results in https://mydomain.tld (non-www and with TLS) and HSTS works correct. I am using the certificates from LE (Let's Encrypt) and so I used their wizard to make my website ...
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15 views

How to configure nginx to process requests sequentially (without concurrency)?

I'd like to process each http request coming to the server sequentially so that while one request is being processed, the others are waiting. Is there any way I can do this with nginx? The server is ...
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1answer
37 views

AWS EC2 server- http traffic not reaching server

I am new to AWS and I have a t2 micro instance. I am only using it to host a static website with nginx. What is really strange is the public ipaddress(which I use for SSH) is not the same as the ...
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618 views

Under HTTP2, how often are new TCP connections initiated?

I understand that HTTP2 aims to keep everything under a single TCP connection, and I was wondering how often TCP connections would be torn down. For example, if I visit youtube, do some browsing, ...
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1answer
26 views

Apache doesnt appear to be using multiple cores

I have a dedicated server with 16gb RAM with a Xeon E5504(8cores @2.0GHZ) running with Centos 7. I ran the top command and can see that 7 of the cores are close to idle most of the time and then one ...
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110 views

How to troubleshoot Apache “request failed: error reading the headers” error?

I find that the error "request failed: error reading the headers" is quite common on Apache servers, and can be triggered by numerous causes. However, what I can't find is this : How can I identify ...
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56 views

Using ports instead of HTTP request to tell server which site to serve

Are there any drawbacks to using ports to tell my server which website to return instead of getting that info from the HTTP request? Is there a best practice to decide which port range to use? As I ...
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1answer
113 views

nginx: proxy_bind to random ip address in range

I'm trying to configure a proxy in nginx that binds all proxied request to a random IP address in a specific range. Every proxied request will originate from a different IP address. I currently have ...
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1answer
37 views

Handling HTTP on subdomain by a different web server (Solarwinds Serv-U FTP) than the root domain (IIS)

We are using Solar Winds Serv-U FTP on one of our servers - On this server we also have IIS hosting a few websites (lets call it a.com and b.com) We currently have Serv-U FTP (web interface) on b.com:...
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1answer
64 views

“bind: address already in use” when trying to create my own api and using apache2

I am using apache2 webserver on ec2 instance and I am trying to use a simple go script that I can do a get request on. My go scipt looks like this: package main import ( "net/http" "fmt" ) ...
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1answer
69 views

how can I download web pages from the command line in windows

Well, I'm trying to do some automation using batch file to speed up my daily routine at work, and I need to solve these little questions: I want to install wget command, but using only the pure ...
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79 views

Configure http2 logging (Apache)

System: ubuntu 14.04 Webserver: Apache 2.4.18 I have enabled http/2 in /etc/apache2/mods-enabled/http2.load LoadModule http2_module /usr/lib/apache2/modules/mod_http2.so <IfModule http2_module&...
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29 views

Apache2: How to log the entire status line (including reason phrase)?

Apache logs the status code of the response if %s is in the log format, but I also need to log the reason phrase (the text to the right of the status code). How can I get Apache2 to log the entire ...
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158 views

HTTP Digest authentication on proxied server

I have a 1.) client, a 2.) nginx powered proxy server and 3.) some servers which addresses are unreachable for the client, the proxy handles the communication from the client to these servers. ...
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2answers
90 views

Redirect port 443 to port 80 at a firewall?

I recently ran into a situation in which a web server I was running could no longer serve HTTPS traffic (due to some SSL cert issues). Since the server could not process this traffic I could not use ...
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2answers
62 views

apache 2.2 mod_rewrite redirect some urls to https and force http for others

I have my page at a shared host. In general the site is reachable using http and https. The page serves ads and most of the ads are not available using https therefore I only want the admin parts to ...
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288 views

Is it worthwhile to setup HTTP 2 reverse proxy in front of HTTP 1 server?

Say I setup Nginx as reverse proxy in front of IIS and enable http2 support on Nginx for new browser. Would I see any benefits?
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48 views

Wireshark doesn't filter correctly http.host

When trying to filter for a specific host with http.host=="abc.com" it shows me everything instead of only the related packets. What am I doing wrong? Wireshark 1.12.6
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21 views

How to I diagnose downloads slowing over time?

I am trying to track down a strange networking problem. Basically, a http download from a tomcat server is slowing down over time. For example, the download speed starts at 700kb, then slows to 650, ...
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81 views

How to block zip files containing executable (exe, jar) using Squid?

Squid Proxy Server is blocking exe and jar files by file extensions and meme type (for http traffic). However, if exe or jar files/programs are within zip files, then it is not blocking. The ...
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1answer
21 views

Usage data from log file

Is there any way I can tell from the apache log files how many users are using an application and how often the use it? I kind of want the information that you would normally get from google ...