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

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How does TCP PSH and HTTPS works?

Right now I monitor traffic on my VPN server. I'm using tcpdump for it and it works pretty good. sudo tcpdump -n host SENDER_IP In this example you can see one HTTPS request from SENDER_IP to ...
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22 views

apache reverse proxy: following redirects?

Is it possible to make apache (2.2) mod_proxy follow upstream redirects (http 301, 302)? Usually one would configure a reverse proxy like: ProxyPass /foo http://upstream.example.com/bar ...
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23 views

Apache2 simplest redirect not working anymore

I am new at Server configurations, and I´m having a probably weird problem. I set up a webserver with success, even having a working redirect from http to https. And now, without knowingly changing ...
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1answer
19 views

Apache Authenication -http request failing in sub directories

I'm running an apachev2.2 server and I am using LDAP to authenticate the root directory. The authenication works well, however my page uses php which is using the file_puts_content function to grab ...
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31 views

Apache - delay over HTTPS but not HTTP

I have a problem with an Apache 2.4.7 on Ubuntu 14.04 (almost default settings), virtual cloud server. On a medium server load (about 2/3.0 cpu usage and tons of free memory) the time for ...
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46 views

force HTTP to HTTPS Centos 6.7 and Apache not working correctly

I tried adding to the .htaccess file RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://mywebsite.com/$1 [R=301,:] I also tried (in the httpd.conf file) <VirtualHost ...
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104 views

What is this in nginx log? “\x01\x01…”

There are a lot of requests like this in our logs: [07/Dec/2015:19:37:03 +0000] ...
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1answer
33 views

SRV record does not work, doesn't redirect to another port

These are my SRV host details: HOST: _http._tcp.ngxdev.com ANSWER: 0 29080 ngxdev.com As you can see, if I enter a full link: http:// ngxdev.com:29080(Not allowed to post more than 1 link), it ...
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1answer
105 views

Nginx - Allow requests without a Host header

When Nginx receives a request that's missing the Host header, it rejects it with a 400 response. As it should. Is there any way around this? There is a piece of hardware that needs to be able to ...
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7 views

SOAP over HTTP sporadically loses connection. What tools would you use to troubleshoot it?

We have a tiny app that connects to our server using SOAP (over HTTP). It looses sporadically the connection (I want to find out when this is happening and why)? It might be possible that there is a ...
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36 views

What is the relationship between http connection and request

I am configuring my nginx, and I have found two modules: ngx_http_limit_conn_module and ngx_http_limit_req_module one is for limiting connection per defined key, and one for limiting request. My ...
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23 views

Unable to access internet through amazon ec2 instance

I have instance running on Amazon EC2.Basically i am accessing my Amazon EC2 instance through VPN using Vagrant openconnect https://github.com/ericmann/openconnect-vm . I am able to ssh into instance ...
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11 views

Lotus Domino HTTP: Define MIME types

My Lotus Domino 9.0 server serves the application cache manifest as application/octet-stream, where the browser expects text/cache-manifest. I only found examples how to add a MIME type to Apache and ...
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45 views

Nginx Cache alterntive where two requests can populate large cache files simultaneously?

I am using Nginx as a caching reverse proxy for large files. It is important to me that the origin server does not have to output more bandwidth than necessary. So if the download of the file gets ...
8
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1answer
236 views

Chrome makes way too many requests (~22000) while downloading MP4 video (~34MB)

We host some video files (mp4) on our site. All the files are loaded way too slow in Google Chrome, in FF everything is OK. I tested downloading of a file with size of 34MB (I opened the file by a ...
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2answers
33 views

About monitoring a server (and a HTTP status of 200)

This is probably a very silly question, but I'm new to this. I am currently learning about system administration, and was asked to set basic monitoring in place (that checks a website returns HTTP ...
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1answer
43 views

nginx return not working

I'm trying to setup nginx server to response 204 or 200 for all GET requests. I've changed following files /etc/nginx/nginx.conf.default /etc/nginx/conf.d/default.conf Added following code. from ...
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58 views

How To Serve Static File Directory Over HTTP Using NGINX

Problem A server with NGINX has a directory with files it needs to serve over HTTP. The directory is located at (example): /media/user/data Question What configuration is required in NGINX to ...
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1answer
31 views

Force http on single page with site wide https is in place

On my website, I have one page that loads content in iframe form other sources and hence cannot have an http connection. I have an SSL installed and have a site wide https forced on all urls. I am ...
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77 views

Can't access nginx from outside server

Here I am again with yet again another strange error with nginx. I am running a server with debian and nginx as webserver. Everything was working fine until it suddenly stopped accepting connections ...
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1answer
84 views

Access to Proxy Protocol address within HAProxy

I am running HAProxy that is receiving layer 4 proxy protocol from an upstream source. I have a need to create a custom HTTP header with the address contained there. I can't seem to find how I can ...
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1answer
55 views

How to select different backend based on URI when using “mode tcp”

I am using haproxy version 1.6.2 I have enabled http2 using the config below which I need to use "mode tcp". But once I have switched from "mode http" to "mode tcp" I couldn't use acl path_beg to ...
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23 views

Enabling both http and https in apache 2 with defaults redirection to https while enabling http

I want to configure my apache2 server as www.example.com site can be view as http and also https. Another thing i need that if i type one "example.com" it will go for https://www.example.com and if i ...
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1answer
64 views

apache 2.4.7:enable DELETE http method [duplicate]

I've tried to enable DELETE http method for educational scope but didn't reached the goal ... I've read a lot of documentation but don't understand where and do I must set it. First of all where is ...
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56 views

nginx force http header overwrite

We had some misplaced http headers on our sites set up for around one day which creates problems on some of our subdomains. Resolving this fault is pretty hard because the headers we sent are valid ...
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1answer
39 views

Caching large files transparently over HTTP

I have a rather peculiar server set up to work with: I have files stored on an HTTP accessible server (Windows Azure Storage - about 800gb of content) but must serve them to people from a different ...
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28 views

Apache 2.2.22 sporadically Changing POST requests from Safari 8,9 to GET

I have had several observations of Safari 8 and 9 sending POST requests to two different Apache 2.2.22 instances which are then passed on to a back-end REST API as GET requests. These happen ...
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2answers
51 views

Nginx as a caching proxy: Trying a second upstream if first returns 404

For using nginx as a caching proxy, is there a way to configure 2 upstream servers in a way that it always tries the first one unless that one returns a 404, and only in that case it will try the ...
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1answer
53 views

How to setup an FTP server on Linux that will use an API for authentication rather that a static list of users? [closed]

I'd like to have an FTP server on a Unix machine that will be able to query a certain API (probably via HTTP or local shell script) in order to authenticate the client. It would be enough if there is ...
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1answer
28 views

Which domain-name was requested? Running virtual hosts on Mongoose web server

I'm currently running Mongoose WebServer 5.5 on Windows 7 I have a number of virtual hosts, running on a single Mongoose server on one IP node. The access log entries are typically 157.55.39.146 - ...
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1answer
45 views

Track web application access through windows server

I have a web application running on Amazon EC2 accessed on the port 80. I would like to track the users who have accessed my application via windows server log. However when i go on the logs i can ...
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3answers
1k views

Is it safe to serve HTTP/HTTPS over ports 8080/8443

Due to an infrastructure limitation, one of the proposed solutions for serving an HTTP service to the world is to offer it over ports 8080 and 8443. My concern is that some users may not be able to ...
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1answer
41 views

Thousands of requests with non-existent domains as HTTP_REFERER [duplicate]

For the last few days one of my websites has been receiving hundreds of requests per minute with non-existent random domains as HTTP_REFERER and from different IPs (therefore using deny from IP is not ...
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1answer
25 views

nginx: How do I redirect all requests to the frontpage?

I am shutting down a website and am stumped on a really simple problem; I need to redirect all URLs to the homepage (except, obviously, the homepage itself). I thought this should work, but it causes ...
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2answers
23 views

Tomcat accepting HTTP from Apache, while Apache accepting HTTPS from user, does tomcat need to be HTTPS enabled too?

My application serves html pages through Apache server to user and it ssl-https enabled. These pages makes ajax request to my backend application running on tomcat container. Tomcat is not ssl enabled ...
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1answer
53 views

lighttpd: remove charset=UTF-8 from content type

lighttpd 1.4.31-4+deb7u3 automatically adds ;charset=UTF-8 to the content-type of .html and .php files. How can I remove that? Setting the content type in PHP itself does not help; lighttpd still ...
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1answer
108 views

How to allow Apache PUT method to directory

I would like to enable Apache 2.4.7 to allow PUT to specific directory. Config below gives 405 error code in access log after PUT request. <VirtualHost *:80> DocumentRoot /var/www/default ...
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1answer
76 views

Use of ProxyPassReverse to change Location response header

I am implementing a reverse http proxy: proxy.example.com This will forward requests to servers based on URI: proxy.example.com/server1 -> server1.example.com When a user requests ...
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1answer
26 views

Web application access permission

I have a web application that uses SQL server . SQL server is hosted on a server and accessed using port 1433 . My question is will the user who is accessing my application required to be able to ...
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1answer
36 views

I can access http, https on server, but can't ping the server behind sonicwall tz500

I am not sure if this is possible or not. I have set up some web servers and ftp servers that are statically NATted behind a sonicwall tz500. I can access all via ftp, http, https. I have included ...
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26 views

Monit http status monitoring behaviour

I am using monit v 5.15 and I try to set up monitoring for http status using the basic: if failed port 80 protocol http request "/status.fpm" status > 500 then alert And I ...
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2answers
50 views

Do Browsers implement the HTTP protocol?

My understanding of the TCP/IP stack is that the Application layer (layer 4) consists of protocol implementations such as HTTP. Do user-agents like web browsers implement this HTTP protocol ...
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28 views

Do HTTP/1.1 persistent connections timeout?

It is my understanding that HTTP/1.1 persistent connections stay open until the client closes them (via a close request header). If this header is not present, does the host close this connection ...
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0answers
35 views

Range requests time out after 10GB in apache or java servlet

There seems to be an issue with serving large 10+GB files with byte-range requests on our RHEL5 64-bit server. The issue that I am noticing is that range requests are timing out for ranges that are ...
0
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1answer
23 views

Capturing un-encrypted HTTPS traffic using wireshark

I am trying to capture HTTPS traffic between a client (windows machine) and a server. I would like to do this before the traffic is encrypted as I would like to analysis its contents. Is there an ...
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0answers
57 views

Limit nginx' simultaneous connections to an upstream server

My setup consists of an nginx server and a Node.js upstream server. How can I limit the number of connections between nginx and the upstream server? The intended behavior is: nginx keeps exactly n ...
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34 views

HAProxy dropping same HTTP resoponse 200OK everytime

I would like to ask question and appreciate if someone can help me to find solution. I am using haproxy ver 1.4.15 [root@HAProxy tmp]# haproxy -v HA-Proxy version 1.5.14 2015/07/02 Copyright ...
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42 views

Printing origin servers name in Apache log

I have configured a reverse proxy setup with Apache as the reverse proxy server and JBoss nodes as origin servers. How do i get the name of origin servers logged in to Apache log. I don't see any ...
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2answers
30 views

HTTP/HTTPS routing according to URL [closed]

Hy everyone, I'm not a networking newbie, but a 'stackoverflow' newbie for sure, so I apologize in advice if i screwed-up category or group, but there seems that all this stuff is based on tags. I ...
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16 views

HAProxy HTTP Response “Other”

The HAProxy documentation lists the possibility of returning non-conforming HTTP status codes: hrsp_other [.FBS]: http responses with other codes (protocol error) Are these simply error codes ...