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

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what is the maximum http response latency?

I'm trying to figure out where to place servers that use HTTP calls to another server for retrieving results. I cannot seem to locate any definition of HTTP that defines the maximum response time ...
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12 views

reconfiguring haproxy backend dynamically

My requirement is to have ~50 haproxy http backends, which will be added and removed dynamically (without my involvement) anywhere on the internal network. I can assume that each http backend knows ...
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1answer
13 views

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 ...
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Apache Redirect http to https by passing ssl certification [on hold]

Based on this question's approved answer, I have done redirection. But it does not work as I want. When I write https://www.example.com on browser, browser wants see an ssl certification, which I don'...
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21 views

Redirecting http to https, Where do I edit the virtualhost? [on hold]

Attempting to research the best way to redirect http to https and several of the answers here mentioned edit the VirtualHost to accomplish this. I'm honestly at a loss as to where to edit this ...
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6 views

OSX gets no response for chunked (MongoDB/GridFS) file sent by Express/Node

I have a server running NodeJS/Express which streams a file from GridFS via HTTP. The following code does this through a route in Express: router.get('/', function(req, res, next) { var stream = ...
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2answers
1k views

Timer_EntityBody, Timer_ConnectionIdle and Connection Closed Unexpectly

We have a windows application, it connects to a web service (XML web service hosted on a Windows 2008 Server IIS 7.5, no antivirus) and fetches some data to the client. But sometimes (around 5%-10% of ...
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2answers
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How To Enable URL Filtering With Just Squid & C-ICAP

Before I posted this question, I read several set up guides online, the squid docs, c-icap docus, and also the ICAP RFC (3507). Unfortunately, the documentation for SQUID and C-ICAP does not provide ...
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34 views

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] "...
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1answer
13 views

how to redirect all requests from apache web server to load balancer to application url

how to configure apache http server to redirect all incoming requests to load balancer by preserving web server url. How rewriteRule and rewriteCond have to be written
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5 views

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 ...
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33 views

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 ...
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1answer
3k views

Retrieving kickstart and other .img file in pxe remote installation in CentOS

I am trying to installation CentOS through pxe tftp installation. Installation starts but it fails to download image files from the http server. but file are accessible on the http server. Logs from ...
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2answers
36 views

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 ...
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1answer
3k views

301 redirect Rule For Load Balance F5 BigIp

I have a load balancer F5 Big ip for my website. Currently, I am having 302 redirect in place; however, I wanted to apply 301 but dont know how. For example: My website (abc.com) when typed 302 ...
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15 views

Adding http compression in the middle of a communication

We've a server application that communicated with a client using the http protocol. Unfortunately the client application does not support compressing the content and we've no way to change this (...
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1answer
34 views

How can I set HTTP status code reason phrases in nginx

The reason phrases of HTTP responses that accompany a status code are not fixed. Instead of returning 200 OK it would be legal to return 200 Everything fine. nginx has predefined reason phrases for ...
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1answer
39 views

POP3 and SMTP over port 80 [closed]

TL;DR I need connect mail clients over port 80. I have a requirement to allow to mail clients connect to my mail provider over port 80. Some users of my company works in clients workplace. In some ...
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2answers
840 views

How can I make an Azure Web Role accessible only via Virtual Network

I have a web role that I have configured via the NetworkConfiguration section of the .cscfg to be part of a Virtual Network. I only want the web role to be accessed from other computers within the ...
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1answer
40 views

HTTP connections are fast from local network, very slow from the outside world

I setup a Wordpress server in a Raspberry Pi with nginx, MariaDB and ufw. I also setup the No-IP service. When I access the server from my local network (192.168.0.173) I get a fast response but when ...
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1answer
2k views

Apache tomcat server win8 cannot be accessed outside of local host

I have installed the apache-tomcat server on my local win7. The port I specified is 9999. Additionally, I use the distributed binary version of apache tomcat. Not installing as a windows service. I ...
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1answer
2k views

Apache: Allow only certain http requests, deny all else

We have an Apache server, on a Windows Server 2008 machine, that is used for specific secure traffic for our customers, like a gateway. Now, I only want to allow traffic for a certain range of secure ...
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43 views

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 ...
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Apache returns invalid Content-Length for gzip compressed 204 response

When apache returns a gzip compressed response with 204 response code and empty body server returns invalid header Content-Length: 20 instead of Content-Length: 0. Without gzip compression (without ...
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0answers
15 views

Server responds with HTTP error 400 (“bad request”) in a multipart request

I have a problem with a 3rd party application and my WCF web service that always returns a HTTP 400 ("bad request") error when connecting with the 3rd party application. The WebService is implemented ...
0
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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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2answers
24 views

HTTPS slow/times out while HTTP is working normally

tl:dr: http traffic works reliably and quick while https traffic is unreliable or extremely slow (2-5 minute load times). Details below. Hey server fault, I have a good one for you. This is the ...
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0answers
16 views

apache 2.2 to 2.4 webdav write permissions

I am upgrading apache from 2.2 to 2.4 on a solaris machine and see weird behavior with webdav after the upgrade. I am trying to write to a folder without write permissions. On apache 2.2, i get the ...
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1answer
678 views

Upload large files with curl without RAM cache.

I'm using curl to upload large files (from 5 to 20Gb) to HOOP based on HDFS (Hadoop Cluster) as follows: curl -f --data-binary "@$file" "$HOOP_HOST$UPLOAD_PATH?user.name=$HOOP_USER&op=create" ...
2
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0answers
28 views

HAProxy, why would a replaced HTTP header have a number at the end?

Can someone explain what the "X-Forwarded-Proto2" header is in this HAProxy frontend stanza?: frontend main *:443 ... reqirep ^(X-Forwarded-Proto:)(.*) X-Forwarded-Proto2:\2 ... I understand ...
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2answers
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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 <<EOF> /etc/apt/sources.list.d/wheezy-backports.list deb http:...
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How to use mod_cache with mod_proxy in Apache 2.4

The problem is getting proxied content to be cached by Apache 2.4. This problem was solved for Apache 2.2 (i.e. use mod_mem_cache). But in Apache 2.4 mod_mem_cache was removed. My upstream content ...
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1answer
2k views

Request Entity Too Large mod_jk

I have setup where there is apache (httpd) and apache tomcat both are connected with ajp and in my http.conf LimitRequestLine 65536 LimitRequestFieldSize 65536 under <VirtualHost> and ...
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1answer
1k views

Can I tail an http resource?

Is there a way to tail a resource such as http://someserver.com/logs/server.log ? This is what I would do for a local file. tail -F /var/logs/somefile.log I would like something similar to that ...
2
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1answer
1k views

Apache: Force HTTP 1.1 or Persistent/KeepAlive connections for HTTP 1.0 requests

I want to force Keep Alive or Persistent connections for all HTTP requests on my Apache 2.2.3 server running on RHEL 5.8. A lot of web crawlers are using HTTP 1.0 for some reason, and I would like to ...
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1answer
3k views

Setting HTTP proxy in OpenVPN client

I'm having trouble configuring my OpenVPN client to use an HTTP proxy. If I don't enter any proxy information in the client.ovpn file I get the following output: Mon Jun 29 14:30:07 2015 OpenVPN 2.3....
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2k views

HTTP proxy - expect 100 and authentication

I have an issue with Apache2 which I use as a proxy. My software sends HTTP PUT for protected resource with Expect: 100-continue Transfer-Encoding: chunked And instead of getting '401 Unauthorized'...
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2answers
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Squid throws error, The requested URL could not be retrieved

Sometimes I am getting the following error The requested URL could not be retrieved While trying to retrieve the URL: http://groups.google.com/ The following error was encountered: Unable to ...
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1answer
1k views

Hudson authentication via wget is return http error 302

I'm trying to make a script to authenticate in hudson using wget and store the authentication cookie. The contents of the script is this: wget \ --no-check-certificate \ --save-cookies /home/hudson/...
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2answers
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Apache HTTP Server+Tomcat: Which file generates mod_jk.conf, how to modify generated stuff, and how does httpd reach it?

I'm using XAMPP with Apache HTTP Server and Tomcat Add-On installed. There's a default mod_jk.conf which is generated by Tomcat when starting it. But which file generates this mod_jk.conf file? How ...
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1answer
1k views

Mod_cache is not logging or caching

Apache 2.2 on RedHat 6.3. I have a virtual host that is setup like so: <VirtualHost xxx.xxx.xxx.xxx:80> ServerAdmin some@email.com DocumentRoot /home/xxxxx/Sites/xxxxxxx.com/htdocs ServerName ...
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3answers
2k views

Finding outbound connections from Apache/PHP

A client website was recently compromised, and we're analyzing the damage and exposure from the attack. We've found a script that is "calling home" to a URL we can easily find in a log, but is this ...
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1answer
2k views

How to properly use nginx echo support to respond with a 504 inline page?

I am trying to reply with a custom 504 page by using nginx echo support but for some strange reason when this is active the browser downloads the response instead of opening it. server { ...
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1answer
310 views

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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How can I configure IIS on Azure to stream chunked data from a Node.js app?

I have a Node.js app that uses Transfer-Encoding: Chunked to stream data over HTTP continuously until the client disconnects. When running a local instance of Node, it works fine, but when deployed to ...
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1answer
30 views

Creating a RFC 1123 compliant date for HTTP header creation on the CLI

I'm trying to create a HTTP 1/1 compliant date header using standard unix date(1) in order to post this to a RESTful server using curl or similar. Any ideas what format to pass to date(1) to get this ...
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1answer
9 views

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 ...
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4answers
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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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1answer
23 views

xinetd read post data

I'm trying to write a simple handler for a webhook using xinetd and bash. I have the trivial case working with this config for xinetd: service github-hooks { port = 61000 ...
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1answer
39 views

IIS 7 WCF Webservices giving 404 error over HTTPS

I have some WCF webservices running under IIS 7.5 which are responding correctly to http requests but respond with 404 (Not Found) errors when methods are called using SSL. The binds for the site are ...