Tagged Questions

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

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9 views

How does a web server return an HTTP request? [migrated]

I'm sorry if this is a really stupid question; my networking knowledge is pretty sparse. So, a user makes a HTTP request to some address. That request comes from an address on a local subnet, but the ...
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1answer
14 views

How do I switch from http to https and back again with an Apache reverse proxy and WebSphere Application Server

I'm running a Spring Web App in WebSphere Application Server (WAS). WAS is listening on port 36500 using https, Apache is listening on port 80 using http. The protocols in use are out of my control ...
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0answers
16 views

Mysterious http Lp requests found in log

I've noticed the following in my access log: Oct 28 20:01:55 vm1295 nginx: [] 89.109.42.242 400 "Lp" "-" Oct 28 20:58:41 vm1295 nginx: [] 82.208.124.184 400 "Lp" "-" Oct 28 21:14:05 vm1295 nginx: [] ...
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vote
1answer
14 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 ...
5
votes
2answers
155 views

Can Puppet File Source be from a web service?

Is there a (simple) way to have puppet use a file available on the internet for the Source property of a File? eg: file { "/home/text.txt": source => [ "http://www.example.com/text.txt", ...
2
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1answer
29 views

Relationship between tcp state TIME_WAIT & HTTP keep-alive

What is the relationship between keep-alive on a HTTP request and a tcp socket in TIME_WAIT - should they be correlated? Furthermore, should system and web server settings be aligned e.g. ...
0
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0answers
8 views

Gerrit + built-in Jetty: HTTP to HTTPS redirect

For various reasons we decided to run Gerrit within the built-in Jetty servlet container and access it using HTTPS and SSH. How to setup the server to redirect/rewrite all HTTP requests to HTTPS? ...
0
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1answer
20 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
7 views

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

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
votes
1answer
21 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
vote
1answer
33 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 ...
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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
votes
1answer
16 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 ...
1
vote
1answer
42 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. ...
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2answers
39 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
vote
1answer
43 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 ...
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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 ...
0
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1answer
17 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
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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 - - ...
0
votes
1answer
32 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: ...
1
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1answer
30 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 ...
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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 ...
0
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0answers
36 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 ...
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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
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0answers
35 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
54 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.) ...
2
votes
1answer
57 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
371 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 ...
0
votes
3answers
150 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
votes
0answers
177 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
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2answers
36 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 ...
1
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1answer
43 views

Nginx config to preventing non-browser requests to domain/IP

Having recently installed django 1.6 on a server hosting several django based sites, I'm getting a lot of errors for "ERROR: Invalid HTTP_HOST header". This is a known 'feature'. The problem is that ...
0
votes
0answers
92 views

OpenVPN - Http proxy - connection reset

I am dealing with a problem in OpenVPN (I think so) and maybe someone can help to sort it out. I am connecting to the internet through a HTTP proxy server (10.0.0.1:8080). As I set manual ...
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0answers
64 views

Getting a chunked request through nginx

First some background: We have an embedded device that uploads a lot of small events to a web server. Chunked encoding is used to post this information. Every event is send as a seperate chunk, so the ...
0
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0answers
15 views

Nginx blocks http response with long string

I encountered a issue with my live web service today. The backend setup is Nginx + Django webservice. In the webservice, I have code to return a HttpResponse with a long JSON string (> 1400 char). ...
0
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0answers
43 views

2 Webapps hosted on same server talking to each other - do they use eth1 or lo1?

I am trying to establish bandwidth needs for a set of webapps in the company. I am using SNMP to monitor the bandwidth on the eth1 interface, however I am trying to establish what is going over the ...
0
votes
1answer
60 views

Multiple Proxy servers - and how to get around non-SNI devices?

We have a lot of devices that cannot use SNI and we want to be able to proxy a lot of HTTP/HTTPS servers. I was thinking we could setup a HAProxy for each URL to connect to initially, and then load ...
0
votes
1answer
82 views

How to proxy traffic by IP using server names/aliases?

We have 5 different server locations each containing around 30 servers each, each server represents a URL and serves both HTTP and HTTPS. They're all identical however provide different content based ...
0
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0answers
79 views

Send files ending in .mp4 in Apache with HTTP 206 Partial Content

I am using Apache as web server and the return code is always HTTP/1.1 200. I want to set some kind of handler or use a mod to return HTTP/1.1 206 when the extension of the file requested is .mp4 so ...
0
votes
3answers
60 views

Is there some free remote sniffer (aka sniffer on free remote server)? [closed]

I have this setup: ________Company LAN_______ _________ . '| _________ | | .| BUNCH OF | ...
0
votes
0answers
87 views

401 Unauthorized response from java webservice

I am getting the 401 Unauthorized response while I am calling java webservice (JAX-WS) from C# client ,It was working on my development environment but not working on production server. I can access ...
0
votes
0answers
61 views

Downloads of large files fail without an error

We run professional websites on IIS 6 and have complaints of (and have verified) that downloads (via HTTP) from remote locations (e.g. Australia) are incomplete or truncated. This means the download ...
1
vote
1answer
419 views

Redirect all http requests behind Amazon ELB to https without using if

Currently I have an ELB serving both http://www.example.org and https://www.example.org. I would like to set it up so any request pointing to http://www.example.org is redirect to ...
2
votes
0answers
75 views

What would cause Apache to return malformed HTTP responses?

I have a Go server that reverse proxies requests to an Apache/PHP server. I have been able to rarely observe that on occasion, the Apache/PHP server will cause Go to produce the following error ...
0
votes
2answers
35 views

Is it possible to use Chrome as a transport?

I am in need to send some json log files to an AWS server. But the proxy, ISP or something else I cannot get in touch with is blocking everything else besides browsers on 80 and 443. Even Curl and ...
-1
votes
1answer
72 views

HAProxy - proxy to webserver via tcp

I have a simple web application, All requests to that application are HTTP based (RESTfull API and standard ajax) I have an haproxy before my tomcat cluster. So now i have clients that http request ...
-1
votes
1answer
41 views

Browser cannot connect to tomcat running inside of VM [closed]

So, i'm running a webserver inside of VM image (VMWare Player 5.0.1) on windows 7 SP1 64bit, and neither IE, nor Chrome load the page with the address of it: http://192.168.201.128:8080 BUT: ping ...
0
votes
0answers
35 views

How do you hide folders in IIS (hide 403 and avoid 301)?

I asked this question on http://security.stackexchange.com/ and was told to put it here We are getting ready for our pen test scan, and one of the issues we have is Hidden Directory Detection via a ...
1
vote
1answer
60 views

HTML served from localhost is being modified by ISP [closed]

I took my laptop to a local restaurant yesterday to do some work setting up a new web app. I get the server in place, and created a simple HTML page: <html> <body>Hello, ...
4
votes
1answer
9k views

CentOS 7 Firewall Configuration

In CentOS 6 I could type setup from the command line and I would be presented with a set of tools, one of them being Firewall configuration. I can still do this in CentOS 7, except the list no longer ...