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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-3
votes
0answers
27 views

Linux super light-weight http/web service [on hold]

I know of Lighthttpd as a light-weight way of serving files via http, however, this does too much (CGI, Output compression, URL-Rewriting). I wonder if there is a way to serve files from a server, ...
-1
votes
1answer
25 views

HTTP Protocol Information Leak [on hold]

I have done a test and The result is HTTP Packet Inspection (Low)back Port: http (80/tcp) Summary: This test gives some information about the remote HTTP protocol - the version used, whether HTTP ...
-2
votes
1answer
28 views

HTTP connection keepalive logic [on hold]

I am fairly new to HTTP and pardon me if the question looks stupid. I cant get my head around the HTTP keepalive logic. I am studying HTTP definitive guide. We send multiple requests , response over ...
0
votes
0answers
18 views

Is there way to find which process is binding to a server's HTTP url?

I have a Windows 2008 R2 server with many processes running on it. Some of the processes are written in .NET and are using WCF to bind to various HTTP endpoints. Is there some tool (command-line ...
-1
votes
0answers
27 views

Linux http(s) load balancer with webGUI [closed]

I need a HTTP(S) load balancer that works on Linux. Usually I use nginx for that and it works OK, however, this this time the dev team want to manage it themselves and they want a web interface to do ...
0
votes
0answers
8 views

Proxy that e-mails the user the website if the request takes too long? [closed]

I am developing an application in which some queries can take quite a lot of time and it would be pointless to expect from user to keep the internet browser tab open for, say, a few minutes of more. ...
0
votes
1answer
20 views

What characters are special in an nginx map instruction?

I'm moving a site to a new structure and want to use nginx's map to map old URLs to their new locations. For simple cases that works like a charm, but I have trouble with some values. This is what I ...
0
votes
1answer
52 views

nginx: Multiple cross-domain 301 redirects with different page addresses

I'm moving my old site over to a new domain, and with that new domain comes new naming conventions. I'm trying to figure out what would be the simplest way of accomplishing the following for roughly 8 ...
0
votes
0answers
14 views

Configure Apache to decode utf-8 encoded URIs

I have a file named montaña.mp3. When HTTP clients send a request for that file, they send GET /monta%C3%B1a.mp3 HTTP/1.1. That's a utf-8 encoded URI. But Apache returns a 404 error. However, if I ...
-1
votes
1answer
44 views

Nginx rewrite HTTP to HTTPS says redirect loop? [on hold]

I am trying to redirect all HTTP traffic to HTTPS,so when i got to www.domain.com it goes to https://www.domain.com. This is my current .conf file - server { listen 80; #listen [::]:80; ...
12
votes
3answers
1k views

How does the HTTP GET method work in relation to DNS protocol?

I am trying to understand application layer protocols in TCP/IP stack. I know that both HTTP and DNS protocol stay at the top layer (Application Layer). So, when a browser wants to access a resource, ...
0
votes
0answers
14 views

HTTP Header - redirect by Location, need to download Content-Disposition [closed]

let's suppose I need to download XML file from server. On the server is basic HTTP Auth. So I try: curl -I -u user:pass http://domain.com/xmlexport.aspx And I get HTTP/1.1 302 Found ...
1
vote
0answers
27 views

curl 7.21 does not correctly call a host with a host header on https

We found out that calling a host like following using curl 7.21 or 7.24 does produce an error in the apache config (we have multiple SSL Vhosts!). Whereas the same command runs smooth with curl 7.34 ...
0
votes
1answer
17 views

Apache - Phantom long requests returning 408? [duplicate]

I am having intermittent problems with sites that are running on apache - the boxes would spontaneously work themselves into a tizzy taking up all available CPU and memory in the process. To this ...
0
votes
0answers
29 views

How to Relay All HTTP Requests to Another Server

Here is the scenario I need to work with. We have devices which need to talk to web service. This web service is hosted elsewhere and is accessible via DynDNS. Due to limitations on the device and our ...
4
votes
1answer
246 views

Any semblance of originally-requested domain name in HTTP, post DNS-resolution?

My understanding of how DNS resolution and web browsers work is as follows: Your browser uses the DNS system that ultimately connects it to your registrars name servers Your registrar's name servers ...
0
votes
0answers
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 ...
0
votes
1answer
24 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 ...
0
votes
0answers
19 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: [] ...
1
vote
1answer
48 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 ...
6
votes
2answers
170 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
votes
1answer
37 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
votes
0answers
17 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? ...
-1
votes
1answer
26 views

Web client software, running on server, using a proxy [closed]

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 ...
-1
votes
1answer
27 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
44 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 ...
0
votes
1answer
18 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
57 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
votes
2answers
49 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
83 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
votes
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
votes
1answer
27 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
29 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
50 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
vote
1answer
57 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 ...
0
votes
0answers
46 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 ...
-4
votes
2answers
39 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
0answers
43 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
58 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
61 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
416 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
474 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
227 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
45 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
vote
1answer
50 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
128 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 ...
1
vote
0answers
81 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
votes
0answers
19 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
votes
0answers
45 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
67 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 ...