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

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X-Latency-Trace HTTP Header field

Searched RFCs and googled on the header field X-Latency-Trace field but could not find anything. The Wireshark interpretations says: X-Latency-trace: [STM3] tot 3062 pip 2833 jc1 255 jc2 0 que 0 ...
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23 views

Disable authentication for HTTP OPTIONS method (preflight request)

One recurring problem with CORS is that the spec prescribes request headers get stripped from the preflight request (HTTP OPTIONS). However if the server requires authentication, this means the ...
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Nginx multiple roots

I'd like to divert off requests to a particular sub-directory, to another root location. How? My existing block is: server { listen 80; server_name www.domain.com; location / { ...
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Which HTTP status code should be returned when page is being edited and therefore not available? [migrated]

Let's say an URL was public, accessible for all, but right now is being edited and, therefore, is temporary unavailable, but it will be available in the near future. Which HTTP status code should be ...
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19 views

Nginx on VM on ded. root server has very slow download rates

I'm running VMware ESXI on a kimsufi dedicated root with 100Mbit/s network access. As the root has only 1 public IPv4 available and ESXi cannot NAT its VMs, I assigned the public IP to VM#1 which is ...
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fully qualified domain names, dhcp dns search suffixes, and trailing dots

http://www.stackoverflow.com./ does not work, notice trailing dot. Bad Request - Invalid Hostname HTTP Error 400. The request hostname is invalid. Should servers be configured to deny any URLs ...
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30 views

Will HTTP/2 work with Apache acting as a reverse proxy to an OpenLightSpeed server?

Before wasting my time and doing something I figured I would ask the question first. I really want to try out HTTP/2 and since Apache does not have a module for it yet I figured I would use ...
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46 views

Http Requests: how to identify a machine using multiple IP addresses

I have an http server. Is it possible to identify a machine, which is making http requests to my http server using different IP addresses? In other words, is it possible to identify a machine, by ...
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25 views

HTTP response returns valid content-length header but no message body

I've recently found a very strange problem which I can't explain. After posting a HTTP request to our server occasionally the following response will occur: HTTP/1.1 200 OK Date: Mon, 13 Apr 2015 ...
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77 views

HTTP to HTTPS redirect loop

Firstly, I know there is a million of copies of this question already but after hours of trying solutions from all of them I've got nowhere. So I want to redirect all incoming HTTP traffic on my ...
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1answer
38 views

SSL not working with subdomains

I have an issue here, I am new on this, I've been watching some tutorials and I see that everything is OK in my configuration but I can not access to my page with the subdomains. Here is the report ...
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1answer
98 views

No response from a remote linux server on specified ports

I have a remote CentOS 6.5 server that is running a tomcat 8 web server (AKA servlet) on port 54321 and I can't access it from my computer, although I'm establishing a successful SSH connection ...
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IIS download slow for internal connection

I am trying to figure why I am getting slow speeds for an internal connection to iis than local. I know that obviously a local connection will be faster, but I am basing this speed on a mapped drive ...
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3answers
69 views

Server not responding from outside the LAN

I have an Ubuntu Server 14.04 running Apache that is behind a corporate firewall. This has been working fine for the last month but now the server is not responding to requests coming from outside the ...
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2answers
82 views

nginx redirect http to https not working

I am trying to reroute from http to https. For example you visit example.com and you will be automatically redirected to https://example.com. I tryed using this one: server { listen ...
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101 views

Error: No 'Access-Control-Allow-Origin' header is present on the requested resource. (NGINX)

I am using NGINX and I am receiving that error in the browser's console. I am so frustrated. According to my boss, I need to set up cors which what I did and still I am getting the same error. This ...
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2answers
115 views

What should I do to know if SSL is working? [closed]

I am working with NGINX, I just set up a domain and subdomain where I need to have SSL on both. Look at the server block for the subdomain server { listen 80; listen 443 ssl; server_name ...
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28 views

Apache HTTP to HTTPS Redirection on none HOST NAME

I'm not able to get a corect redirection from http to https on every url on my Apache on Centos. I got this in the httpd.conf: LoadModule rewrite_module modules/mod_rewrite.so NameVirtualHost *:80 ...
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3answers
38 views

HTTP POST request using Curl: why nothing works?

I want to submit a form of with the following information: <form enctype="mutlipart/form-data" method="post" action="/command"> <input tyep="submit" value=" Generate Snapshot " ...
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1answer
40 views

Refused to connect to 'http://someURL' because it violates the following Content Security Policy directive: “connect-src http://someURL”

Well, that's the error which comes up from my browser console, I am working with one domain and that domain has only one sub-domain, and I still don't have access to the sub-domain. Actually I am ...
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1answer
23 views

Website does not get displayed when using IP adress from lookup [closed]

I recently switched my domain to a new ISP and bought a webhosting package. After checking the IP of my server using who.is, I noticed, that my website can not be viewed directly using the IP. ...
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1answer
103 views

nginx proxy_pass rewrite of response header location

The aim of this nginx instance is to get GitLab and OpenWRT Luci to redirect through a reverse proxy. It's already working for several other websites, all which have a base url which seems to counter ...
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1answer
27 views

Can I safely remove the Via http header?

I have a Internet facing service that provides APIs over https - json, xml and the like - something like https://api.example.org/api/foo. The API's are generally built from corporate internal ...
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1answer
53 views

Something preventing http requests from public ip addresses from reaching windows 8.1 update iis

I have three Windows hosts on the same private LAN, each hosting an IIS default website. One host is running Windows 7 Pro, while the other two are running Windows 8.1 Update Version 6.3 (Build ...
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2answers
64 views

Unable to connect via apache port

I created a new VirtualHost file with the folllowing parameters: <VirtualHost *:6060> ServerAdmin xxx@xxx.systems DocumentRoot /var/www/xxx/httpdocs <Directory ...
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14 views

How to Stop IIS editing body of http 201 response? (PHP)

I'm currently implementing a REST service in PHP on an IIS server. Everything is working fine, except that when I have the server respond with a HTTP status code of 201, IIS is prepending a string ...
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72 views

Apache randomly stops serving HTTPS, but HTTP works just fine

We have this Apache on Windows Server 2012: Server version: Apache/2.4.9 (Win32) Apache Lounge VC10 Server built: Mar 17 2014 10:48:43 Most of the time, it works perfectly, but from time to time ...
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2answers
439 views

Response time slows as the day goes on, where to start troubleshooting?

My IT people just shrug their shoulders when I bring this up, so I am turning to SE for some help. I think this image shows it best. Quite simply, as the day goes on response time gets worse and ...
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1answer
138 views

How to fix Image Swapping Issue in iOS 8 with keep-alive + HTTP Pipe-lining?

Ever since iOS8, the sites I managed are experiencing an intermittent problem in which images are swapping locations with other images. This has been mentioned in a number of places, but with no ...
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8 views

apache allowoverride points to wrong location

I installed a Slim framework to create a API and located this under /opt/modul/www/api index.php slim/ so the index.php is my main API file. And I want to access this in the browser under ...
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15 views

Automatic LAN authentication for HTTPS/HTTP sevice via Proxy

This is my situation: I have a LAN in my office that I want to connect entirely to an internet server via HTTPS. I want to log all the LAN's host injecting the session cookie in the header of ...
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2answers
56 views

Decrypt a Header in Apache (HTTPD)

I've been asked to have a look at whether it's possible to decrypt a header during the processing of the request. The specific use case is to respond to the decrypted contents of the header by ...
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Can IE be considered a reasonable website access test for the .Net framework

We are currently updating our SSL cipher settings in order to improve our SSL rating. The changes included the removal of SSL3 and RC4 ciphers. However this appears to have caused problems with some ...
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Diagnosing a 2-minute delay in HTTP GET request

Under narrow circumstances, I get a 100% reproducible delay of approximately 2 minutes when I request a public web page. The page in question: https://id.openjdk.java.net/console/login Splicing ...
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Is the hostname part of HTTP(S) URLs truly case-insensitive?

Is it safe to use http(s)://CompanyName.com/xyz as URL (e.g. for branding purposes) without any changes to the service-side configs? I know that DNS is case-insensitive, but could there still be ...
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32 views

Inject header in HAProxy redirect function

I have HAProxy 1.5.8. I have this basic 301 rule : frontend http_frontend bind *:80 mode http redirect location https://xxxx.com code 301 The response looks like this : HTTP/1.1 301 Moved ...
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Apache2 how to working www.example.com [closed]

I need help. I am sorry wrong write. My LAMP server I created virtual host working http://example.com , but it is NOT WORKING. $ping www.example.com ping: unknown host www.example.com My ...
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31 views

Empty GET / HTTP/1.1

I'm wondering why I'm seeing all these empty HTTP GET requests in my Node / Express server logs. We're behind HAProxy (if that matters) [2015-02-25T01:33:31.592Z] INFO: xxxx-web/20106 on ...
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HTTP DoS prevetion with UFW firewall

I am trying to creator an HTTP DoS attack on my servers using UFW firewall using this Resource. I edited /etc/ufw/before.rules to get the following rules. # # rules.before # # Rules that should be ...
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66 views

IIS 8 and MSMQ over HTTP without WCF

I am trying to config a new Server 2012 R2 server running IIS 8 and MSMQ. I have create a private queue and trying to send it messages over HTTP from a server in another domain. I have granted the ...
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119 views

Nagios check_http gives 'HTTP/1.0 503 Service Unavailable' for HAProxy'd site

I asked this on stackoverflow, but I think it's better suited for here. Can't figure this one out! OS: CentOS 6.6 (Up-To-Date) I get the following 503 error when using my nagios check_http check ...
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1answer
75 views

Https to http redirect for only one of multiple sites on the same server

I have several sites on a single server, and an SSL certificate. The problem is that i need to redirect all sites from https to http except one, which should be the only site using https. Say, ...
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2answers
48 views

AWS EC2 : No HTTP Traffic after reboot but SSH is ok

I have a small ami EC2 instance @ AWS. I had to reboot yesterday and after reboot, I couldn't access the websites hosted on the EC2 while there was no problem at all through SSH. Things I checked ...
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1answer
45 views

Apache: SSL and Non-SSL (without VirtualHosts?)

I have a web server and have two folders I would like to treat differently. One folder on the local filesystem should use SSL and the other should not, for example: /path/to/ssl/site ...
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2answers
67 views

Do I need to receive the private key from VeriSign?

I requested a trial certificate from Verisign which I received via email and thus the intermediate and root ones. What I reveived was an PEM certificate, the one with BEGIN and END CERTIFICATE. I'm ...
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634 views

How can I tell which server I've been load balanced to?

I want to test some configuration changes to one-way synchronisation between two servers that sit behind a load balancer (this is all Rackspace Cloud infrastructure FYI). The problem I have is that I ...
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37 views

dynamic port routing based on request path

The problem: I currently have a nodejs http server which is used to serve long-running jobs. The way the client typically interacts with it is the following: Send a request to '/start/:guid', to ...
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51 views

Tomcat 8.15 APR Poller failed with error 610,038

I was testing my server with JMeter but when I reach an Highload the server tends to have this error logged on the console and it keeps a lot of active threads on apparent deadlock : 30-Jan-2015 ...
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Can mod_rewrite [P]roxy to an HTTPS url when the inbound request URL is HTTP?

I have a host (IIS6, running an implementation of mod_rewrite for windows, by a co called Micronovae. It works well) that has a site at http://some.host.com I also have another host (on Microsoft ...
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2answers
25 views

TCP window on Video Server

I am trying to benchmark the performance of my HLS video server. My server is a pretty naive one at the moment: Just an NGINX file server. (HLS delivers video over HTTP by splitting it up into files ...