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 to troubleshoot an invalid cached response

I've a Google Cloud Engine instance with Suse Linux 13.2 with original network config and without any configured proxy. And I've a problem with an invalid CACHED response I receive from a server. ...
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18 views

HTTP Tunnel like Webmin's [on hold]

Is there a program like Webmin's HTTP tunnel with a web interface? The problem with Webmin's is that JavaScript and Cookies don't work properly. Any alternatives?
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19 views

HTTP connection to SOCKS [on hold]

I have access to some HTTP proxies with different IPs. An app only accepts SOCKS connections. I'd like to set up a network like this where the client (laptop) receives the ip of http proxy but ...
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10 views

Reversed ssh through httptunnel

I used ssh tunnels (via ssh -R ...) to connect machines in uncertain network environments to a central server from where I can establish ssh connections to them. This way I already use two ssh ...
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16 views

Squid GET request returns incorrect content type when using transparent mode

I'm trying to establish the cause of a strange issue with mobile device that goes through a Squid 3.3 proxy on CentOS 7 using transparent mode which is not able to access news content within the Bing ...
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1answer
34 views

how can i install SSH, FTP, HTTP on my ubuntu server to access from my windows 10 [closed]

i want to install and configure SSH on my Ubuntu server and access this server from my windows 10 and also tell me how can i live this server with the world.
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1answer
13 views

How to log HTTP traffic in Fiddler for a Native App communicating with a VirtualBox server?

I have a Windows 7 host machine running Fiddler and a Ubuntu VirtualBox guest. On the host I'm running a client app (native, not .NET or Java) that allows me to set the server name and port but there ...
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1answer
62 views

wget - Only save if return code is 200, delete otherwise

I have a script that checks my public ip address every few minutes. The problem is the ISP sometimes gives me cached pages (I know, I've used all the related args in wget, the isp is formed by a bunch ...
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33 views

Inconsistency in TCP and HTTP connection management

I observe following scenario in WireShark: The problem I see here is that after receiving [FIN, ACK] from server (4090) and acknowledging it (4092), http client attempts to send another HTTP ...
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1answer
20 views

Use HTTP 1.0 in Apache VirtualHost

I would like to use only HTTP 1.0 on a certain VirtualHost in Apache. The reason for doing so is that I use CloudFlare, and my apps requires the Content-Length header in the HTTP response. However, ...
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2answers
41 views

Preventing a user from running a script that should only be run by a CRON job?

I have a contact form on my site which uses $HTTP requests instead of reloading on the form submit. It's a really awesome feature, but it also opens up some nasty doors. My contact form sends an ...
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1answer
42 views

Apache POST data interim storage

I've been serching high and low and I cant seem to find it. When apache receives a POST / HTTP/1.1 with some data in the body field, is that data stored in memory or in a file? From what I've been ...
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1answer
15 views

Our site using Akamai is returning 404 (from time to time)

We are facing an issue with sites hosted by Akamai. From time to time we can't load some websites from Akamai and the server return "404 not found". This is temporarily error and it could be that the ...
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59 views

How to fix/troubleshoot AkamaiGHost TCP_Miss and 500 Errors

I have a java application running on a server in South America at the moment, and using Akamai's CDN. When I check the errors, i sometimes get the error: "HTTP/1.1 503 Service Unavailable" and "500 ...
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1answer
41 views

Route HTTP(S) traffic to specific IP based on requested URL on Linux

I have an Ubuntu Server in the cloud. Let's call it ServerA. ServerA has an apache2 installed and is serving a default page on HTTP requests. mydomain.com is pointing to the ServerA's IP and thus the ...
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1answer
20 views

Do unique GET variables in a URI invalidate the HTTP cache, even if it hasn't expired yet?

Let's say cachedfile.js expires in 1 year from now, according to the HTTP 1.1 expires header. Will these URI's both be cached seperately in modern browsers? Request 1 cachedfile.js?var=1 Request 2 ...
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1answer
76 views

Why is this HTTP to HTTPS redirection not working?

I have been reading through all the discussions on the subject and decided to use the Redirect method in the httpd.conf file with no luck... So I came back here to this knowledgable crowd. We have a ...
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1answer
26 views

What is the differnce between keep alive and http pipeling

What is the difference or relation between keep alive and pipelining ? Are they both same or different. Is there any way to enable keep alive but disable pipeling as I'm using only POST method and ...
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54 views

What causes the “connecting” and “waiting” for seconds on HTTP GET requests with nginx?

What causes for the delay in connecting to an Nginx server and for the Waiting time are under an admin's control? I've set up GTMetrix to run daily web page load speed tests, and sometimes I get ...
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1answer
14 views

How to avoid leaking the existence of local API in Apache httpd?

I'm building an API which will only be accessible to local services by using Require local in the <Location> directive. How can I make this return a 404 rather than 403 status code when accessed ...
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1answer
29 views

How to configure an nginx VHost to hang up on the client in the rudest possible way?

I have a, let's call it, "legacy" VHost configured on an nginx server. It used to be a full site, but it has since been decommissioned and all the content removed. The server block now looks something ...
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1answer
54 views

WinRM and HTTP services impossible to start

I have a new windows 2012 R2 server and here are softwares and roles installed : - nxFilter - TeamViewer Get-WindowsFeature command result : Success Restart Needed Exit Code Feature Result ...
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25 views

iis8.5 Not Found page, SNI and Host Headers. Refuse Connection Possible

I am using IIS8.5 to host a few internal and external sub domains. Everything is working prefect but I have one thing I would like to change and I have no idea where to start. I have set each site ...
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1answer
99 views

HTTP over port 443 vs HTTPS over port 80

What is the difference between http://serverfault.com:443 and https://serverfault.com:80 Which one is more secure theoretically?
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16 views

Corrupted files when downloading with HTTP

With my UMTS connection most archives > 50 MB are corrupted when downloading them via HTTP. The problem should not reside in my network, because I have an additional ADSL connection. When I switch to ...
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39 views

Can you set up a reverse proxy to forward requests based on request content and/or parameters?

I'm trying to set up a reverse proxy that forwards requests to different servers based on content in the body of the request itself. For example, if the request has a parameter 'type' = 'A', I'd like ...
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2answers
90 views

how to force a http webapp so use https (ssl)?

On our Linux Server we got some sort or WebApp running its own little webserver using http ONLY. That means it does not support ssl by itself. So im looking for a way to have "something" packed in ...
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57 views

create tunnel in order to access https via port 443

I have win machine that connected to Linux server 192.9.100.10 And Linux server has connectivity to the IBM blade center management GUI - 192.9.100.200 From my WIN machine I not have connectivity to ...
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1answer
14 views

Calculate HTTP Digest

I am just trying to calculate the response for an HTTP Digest Authentication. Imagine the example from RFC2617. I extracted the folling variables: USER="Mufasa" REALM="testrealm@host.com" ...
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1answer
57 views

Iptables redirect HTTP traffic to proxy

I have a local HTTP proxy running, if I configure my browser to go through it works perfectly but I would need to leave the browser configuration blank and only redirect the traffic to the proxy with ...
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44 views

Multiple redirection issue with Apache http proxy

I am using Apache and tomcat in my environment. Communication between there two servers is http(not AJP). Here is my configurations from httpd.conf file ProxyRequests On NameVirtualHost *:80 ...
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22 views

Setting up CORS for a specific method and url

First of all, apologies if you think this should be on stackoverflow.com - it seemed more suitable for this site but it's a bit borderline. We have a partner site, i'll call it http://bob.com. For ...
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32 views

What would be a portable nignx HTTP access log format to use with nginx?

I am looking for a way to store that logs in a common format so they can easily be recognized and parsed by most tools. I am interested about a format that is automatically recognized by goaccess ...
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287 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 ...
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1answer
37 views

How to transparently cache git clone?

I would like to offer a continuous integration service (I'm planning to use hudson, but the solution should work for others as well) with a web interface where a user will define a SCM URL (e.g. a git ...
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1answer
21 views

XSS Vulnerability with PCI RapidComply

I have a website hosted on an Apache Tomcat 7 server that uses the Authorize.net gateway and merchant services to handle payment. I recently ran a required PCI Compliance test against my website, and ...
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5 views

What cache control headers will prevent revalidation? [duplicate]

I'm trying to set cache control headers on a /static/ directory such that browsers will use a cached copy of the file without revalidating it. Links to files in this directory include the timestamp ...
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20 views

410 error when using website validator

I am trying to ping my website http://www.saranshsingh.com/ and it fails PING http://www.saranshsingh.com/ (198.105.254.228): 56 data bytes Request timeout for icmp_seq 0 Request timeout for icmp_seq ...
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2answers
83 views

How to get a client IP address from a specific network?

I have a condition to filtering IP address from client, and I just have their IP network like this 1.1.0.0/17. If some client from this network will be filtered as special user on my website. And I ...
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1answer
18 views

If mod_expires is used in .htaccess will modified files be downloaded by the client

I'm trying to employ caching to speed up the response time of a website. Most of the documentation I have read suggests setting expiration to +1 month from time of access as follows: ExpiresActive On ...
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106 views

IIS 7.5 with Windows authentication - intermittent error 400 on POST

Our app runs on IIS 7.5 with Windows Authentication enabled. When uploading files via POST, some users are reporting intermittent Error 400s from IIS with an "Invalid Verb" message. I was able to ...
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1answer
353 views

yum repo responding with [Errno 14] HTTP Error 403 - Forbidden

I am trying to set up a YUM repository containing some RPM packages from our nightly Jenkins build. The YUM repo resides on the Jenkins server in a repository folder [path to ...
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78 views

Apache and mod_wsgi returning 504 error when posting specific SVG string

I have a wierd 504 error occuring in Apache + mod_wsgi when I post a specific SVG string. The backend application is Python Flask, but it does not seem to get to the application at all. Here is one ...
0
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1answer
117 views

Squid3 blocking all sites except restricted sites

I have a configuration file and in the lines where I have my allowed and restricted sites, I have the following: acl AllowedSites dstdomain "/home/john/squid3_sites/allowed-sites.squid" acl ...
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0answers
13 views

Apache server not handling load

I have something set up incorrectly on a server and I cannot figure out what it is. The server is an Intel Xeon E3-1270 V2 3.5GHZ with 16gb memory. The software is Apache 2.4 PHP 5.5 using DSO for the ...
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2answers
40 views

Is there a reverse Proxy for REST interfaces, which requires approval?

My organization employs a number of services that expose REST interfaces. POST, PUT or DELETE requests to such an interface can be destructive. Using firewalls and user authentication, we can restrict ...
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1answer
79 views

Benchmarks for server response time [closed]

I was testing my website’s performance on Google Page Speed and it mentioned the response time at It average between .6-.8 seconds. What’s the optimal server response time that’s acceptable? Is ...
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2answers
77 views

How to configure nginx to send traffic to internal ip based on hostname? [closed]

I'm planning on setting up a VPS "service" just for a couple of my friends to use, but I only have one IP. I'd like to set up nginx so it works like this: domain1 . com -> 192.168.1.1 domain2 . com ...
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23 views

Sending XML Response When Maxed Allowed Connections Reached to Servlet

I have a requirement to limit the number of incoming connections, and if another connection is initiated as the limit is reached to send an XML response. This is for JBoss EAP 6, but a general ...
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1answer
96 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" ...