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

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7k views

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 ...
0
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3answers
4k views

Redirect all http AND https non-www URLS to https://www.example.com via htaccess

For reasons much too long and complex to get into (it involves several layers of corporate red tape resulting in someone else not purchasing a wildcard SSL certificate I requested), I have to set up a ...
0
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1answer
16 views

Web client software, running on server, using a proxy

an institution I work for, a library, has a proxy server, that can be used by registered (logged-in, authorized) users. There is high demand for this service, as browsing internet with library's IP ...
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0answers
17 views

gem update rhc httpclient not working - OpenSSL error [on hold]

In response to the openshift mail on securing your rhc client from the poodle issue, i tried executing the gem update (with sudo) on my osx terminal. However it gives the following error. $sudo gem ...
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0answers
7 views

What the detail process when IIS7 received HTTP GET with “http” prefix string [on hold]

What the detail process when IIS 7 received HTTP GET with "http" prefix string? make like the flow below: telnet www.sampleOne.com 80 GET http://www.sampleTwo.com/ Will IIS real process ...
-1
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1answer
14 views

Repeat request to another php-fpm script via fastcgi?

I have nginx server accepting incoming HTTP requests and serving it via fastcgi to some php-fpm script (for example index.php). I want nginx to repeat the same request to another php-fpm script via ...
1
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1answer
27 views

HTTP Ports are Filtered on New Virtual IPs in LVS (Linux Virtual Server) Load Balancer

I inherited a Linux Virutal Server (LVS) load balancer on CentOS 5.10. Its been running with no issues for quite some time with no worries. Now when I add a new virutal IP (VIP), all HTTP traffic ...
2
votes
3answers
130 views

Why wget doesn't read HTTP_PROXY in uppercase format?

I know in unix/linux the enviroment variables are uppercase, like LD_LIBRARY_PATH ; HOME ; $USER and so on. Today playing with wget I saw this commands just uses lowercase enviroment variables: env | ...
6
votes
3answers
11k views

Connecting to HTTPS with netcat (nc)

I'm working on homework assignment for my college. Task is to fetch web page on HTTPS using nc (netcat). To fetch a page over HTTP, I do this: cat request.txt | nc -w 5 <someserver> 80 In ...
0
votes
1answer
2k views

Nginx 500 Internal Server error on subdirectory

I'm getting a 500 Internal Server error only on sub directories. For example, If my website is example.com, example.com/index.php works. But example.com/phpbb/index.php doesn't work. It just turns ...
4
votes
3answers
659 views

.htaccess redirect all extension to php

I recently updated my .htaccess file to hide the .php extension of the urls. It works nice, when I try to reach domain.com/index, it displays the php file. When I type domain.com/index.php it ...
0
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3answers
528 views

How To go fully IPv6 with Cloud Flare, a web server with both ipv4 and ipv6?

I have setup an Nginx server in a machine which have both ipv4 and ipv6 addresses. Currently, its connected to CloudFlare and only use ipv4. I have 1 ipv4 address assigned to the web server. Now what ...
2
votes
3answers
2k views

Manual NAT on Checkpoint (Redirect all http requests to a local web server)

We have a proxy server in our internal network and I want to redirect all internet http requests to a web server in local network. It'll be like a Network Billboard that says "No direct connection is ...
0
votes
2answers
1k views

ASP.NET HttpModule gives “Connection Reset” in browser

I have implemented a HttpModule in ASP.NET (framework 2.0). From my logging on the server, I can see that the http request is being picked up by my HttpModule, and my code runs successfully (writing ...
1
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1answer
31 views

How can I enable outgoing HTTP/HTTPS requests on an EC2 in a public subnet within a VPC on Amazon AWS

I set up a VPC using scenario 2 from the AWS Docs: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Scenario2.html I've assigned an Elastic IP to an EC2 instance running in a Public Subnet. ...
0
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0answers
38 views

Linux: getting detailed stats for a single HTTP request? [migrated]

I'm writing a script to determine the performance of a service from a client's point of view. To that effect, I need to be able to determine a few stats for each HTTP request like: DNS lookup time ...
0
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1answer
14 views

How to prevent text/event-stream streams from being buffered by eager web proxies?

I am writing an application which uses server-sent events to push updates to the browser. This works very well for the most part, except when the client is behind a "web accelerator" proxy which very ...
0
votes
1answer
1k views

How to fix “The FastCGI process exceeded configured activity timeout” on Windows 8 Pro?

How to fix "The FastCGI process exceeded configured activity timeout" on Windows 8 Pro? Installed FileMaker 12 Advanced Server on Windows 8 Pro box A long running script generates: HTTP Error 500.0 ...
2
votes
2answers
1k views

Unusual Caching Issue with IE 7/8 and IIS 7

We recently moved a site into production running Server 2008 x64 and IIS 7. The ASP.NET pages apparently load just fine, but when it comes to IE 7 and 8, a weird caching issue has cropped up with the ...
0
votes
2answers
35 views

Tools for replaying _all_ HTTP traffic [closed]

I intend to log all production HTTP requests to be able to do load testing and analysis on that data later on. The log replaying software I have seen so far only seem capable of replaying GETs. Are ...
1
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1answer
38 views

HTTP not finishing over LAN. Hardware cause?

On a customer server running Apache 2.2 on Windows server 2012 we're noticing that from time to time, some requests to the server never finish. Using wireshark I've found a bunch of duplicate ACKs get ...
0
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1answer
1k views

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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3answers
4k views

Human readable format for http headers with tcpdump

I would like to view the HTTP headers sent from Apache (listening on port 80) to Tomcat (on port 4080) in a Linux machine. According to Wikipedia, Header fields are colon-separated name-value ...
4
votes
1answer
4k views

Git push over http (using git-http-backend) and Apache is not working

I have desperately been trying to get push for git working through the "smart-http" mode using git-http-backend. However after many hours of testing and troubleshooting, I am still left with error: ...
0
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0answers
11 views

What could be the possible causes of a “java.io.IOException: Bad HTTP request, less data is received than expected” error?

I have a GlassFish server with a lot of "java.io.IOException: Bad HTTP request, less data is received than expected" errors in an application instance log. Anyone knows what could be the possible ...
1
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1answer
792 views

Configuration of nginx for git-http-backend on debian(-based systems)

I'm having trouble to get git-http-backend working using an nginx server on my Ubuntu 13.04 machine. Tried it with Debian 7 before but with similar results. Basically I followed ...
0
votes
1answer
15 views

how to find out if mod_xsendfile is handling the transfer?

I just installed and configured mod_xsendfile on my apache2.2.15 web server (on centos6.5). Everything seems to be working fine except that I'm not sure it is. I added XSendFile On and XSendFilePath ...
0
votes
1answer
59 views

Fastcgi request record is too big

I am running an Nginx server, which requires me to accept URI String containing up to 4mb of data. I have configured nginx to accept the params by setting: /etc/nginx/nginx.conf ...
0
votes
1answer
27 views

what does JYADXW mean as a HTTP verb?

Some jerk attacked my server, and I was reading the logs, when I saw "JYADXW" where the HTTP verb GET/POST/OPTIONS normally reside. What is this request? what does it mean? malicious IP Here - - ...
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0answers
66 views

python urllib2 hangs when invoked by apache

I have a python script that reads a resource using urllib2 like so response = urllib2.urlopen('http://www.google.com') html = response.read() response.close() which works fine when invoked in a ...
0
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1answer
23 views

301 Redirect Root and Only Root (“/”) from https to http

I have found several Q/As on how to redirect root only, how to redirect from https to http (using .htaccess). But there was no question that merged both. And this answer is too dirty: ...
0
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2answers
3k views

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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0answers
18 views

Cookie is not deleted by HTTP header [migrated]

My project is using an external authentication provider that sets a cookie if a user is logged in. To log out, I have to delete that cookie. As far as I can tell, the Set-Cookie header is correct, but ...
1
vote
1answer
23 views

Getting `HTTP/1.1 505 HTTP Version Not Supported` when using `openssl s_client`

I'm trying to use openssl s_client to send a raw HTTPS request. I type this: $ openssl s_client -connect homebrew.herokuapp.com:443 After it finishes the SSL pleasantries, I type this: POST ...
1
vote
1answer
2k 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 ...
-4
votes
2answers
35 views

Security certificate only displays with HTTPS and not HTTP [closed]

I have a security certificate installed on my Ubuntu server, running Apache. When I visit my site using the HTTPS protocol, the green certificate appears at the start of the URL. However, when I use ...
0
votes
1answer
956 views

uploading via http post (multipart/form-data) silently fails with big files

When uploading multipart/form-data forms via a http post request to my apache web server, very big files (i.e. 30MB) are silently discarded. On the server side all looks as if the attached file was ...
0
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0answers
33 views

Set up simple HTTP server with PUT method

I work on developing an internal testing document, and I'm running it through it's paces and one of the tests requires an HTTP PUT to upload a file. I've looked around and tried a couple things ...
1
vote
1answer
860 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 ...
2
votes
2answers
1k views

Why do I see an IP packet with size 2960, way above the MTU setting of 1500 on the interface and it gets through?

I am analyzing traffic between a client and a Linux webserver running on a HP blade server, the client sometimes gets stuck waiting for more data when the webserver has closed the connection. The ...
0
votes
0answers
32 views

Is it advisable to disable URL Path Length restrictions from firewall?

I noticed in early August that I was unable to get to SharePoint Online sites, most Microsoft Update pages, Microsoft Support pages, Microsoft.com, etc. as they all appeared to be returning a blank ...
1
vote
1answer
51 views

Conditionally serving high resolution and WebP images with nginx

Not sure if I'm trying to pull off the impossible, but I'm wanting to configure Nginx to serve ".webp" files to browsers that support the file format and serve fallback files (i.e. pngs, jpgs, etc.) ...
0
votes
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 ...
2
votes
1answer
53 views

Disable html error reporting on nginx

Is it possible to completly remove the html erroring reporting in nginx for instance, when I have a 403 error nginx serves the following : <html> <head><title>403 ...
2
votes
2answers
350 views

The Content-Length header does not exist

I have nginx server installed on Linux. When I send a request with curl, the Content-Length header is missing from the response. The 1.php file is: <?php echo "hello"; ?> The example ...
1
vote
1answer
76 views

Is it safe to use HTTP status 308 Permanent Redirect?

Is it safe to use the HTTP status code 308 Permanent Redirect (suggestion) in server responses? The issue with 301 Moved Permanently is that it only works with GET requests (to be fair: POST will ...
0
votes
3answers
104 views

Can access website, but can't ping it, nor access via FTP

I'm having a problem connecting to a server by other way than HTTP. Connecting via FTP ends with timeout, as well as pinging: C:\Users\folmert>ping wroclaw-elektryk.pl Pinging ...
0
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0answers
110 views

IIS Rewrite Rule in web.config to redirect HTTPS requests to HTTP

I need to redirect all https requests to http, for example, if someone visits https://www.example.com/another-page/ to http://www.example.com/another-page/ I have the following rewrite rule in my ...
0
votes
2answers
30 views

use iptables to limit the number of concurrent http requests per ip

Currently my iptable is as follows to limit the number of concurrent connections per ip to 10 from any http client. However, I tried a simulated http test and I'm not getting dropped at all. what's ...
0
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1answer
42 views

Apache redirect request to another server on error

I currently have 3 web servers serving large files load balanced at DNS level. There's one "master" server, and two "slave" servers. The master server has all of the files required, and it pushes ...