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Questions tagged [proxy]

A proxy is a device or program that stands between two or more interconnected programs or devices. Reasons for a proxy include one or more connected parties only wanting the other to access specific data. A proxy provides a method for this.

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23
votes
3answers
10k views

How does a CDN like CloudFlare work?

What I understand so far: You keep your current web hosting, but you change the DNS servers for your site from the DNS servers of your current hosting to CloudFlare's DNS servers. CloudFlare serves ...
11
votes
2answers
5k views

is it true that CloudFlare really doesn't affect dynamic content?

I've been reading the CloudFlare FAQ, I understand that is acts as a reverse proxy and all requests to your domain will go through CloudFlare. They say in the FAQ that it won't slow down dynamic ...
9
votes
1answer
626 views

Why is Google downloading binaries from my web site and using bandwidth?

Since about mid-August 2014, several Google servers have been downloading all of the (very) large binary files on my web site, about once a week. The IPs all show as owned by Google, and look like ...
6
votes
2answers
4k views

How do I get a production website to load assets from local web server?

I usually set up a local environment with the website running on my machine when I'm going to develop new functionality with JavaScript. The same goes for updating stylesheets. When there's no easy ...
6
votes
1answer
208 views

Is it feasible to use Vary: headers with If-none-match: to improve caching?

As we all know, sending a response header Vary: Some-Header causes (or should cause) caches to store different variants of the response, one for each value of Some-Header: it encounters in requests. ...
5
votes
1answer
1k views

Nginx Reverse Proxy for Tumblr

I'm currently trying to set up a reverse proxy redirecting a domain to a tumblr blog. I've set up NGinx using this Gist. My nginx configuration looks like so: upstream tumblr { server 66.6.44....
5
votes
2answers
3k views

Should 304 Not Modified responses include the “Last Modified” header?

I've been using the most excellent http://redbot.org tool for testing have HTTP headers on my site correct (its custom code in PHP serving dynamic content - wanting to ensure it cached where possible -...
5
votes
1answer
469 views

301 redirect away from content that is served with a reverse proxy to prevent duplicate content

I am currently struggling to resolve an issue stemming from a reverse proxy. We are running a reverse proxy from page.example.com to example.com/page/ . This original subdomain content is generated ...
5
votes
0answers
2k views

Problem using mod_deflate with ProxyPass

Using Apache 2.0 (2.0.53) on a particular legacy system, enabling mod_deflate causes directly-served content to be gzip-encoded just fine. However, and this is my problem, content proxied from another ...
4
votes
4answers
16k views

Website or service to view a page without Javascript [closed]

Is there any website or service that allows you to submit a URL and displays the corresponding page with Javascript stripped out/disabled? Clarification: This is to send a link to someone else to ...
4
votes
1answer
971 views

ProxyPassReverse doesn't keep me on the proxy URL when I click around

I have the following virtual host on my personal web server which runs on my NAS.I have dynDNS setup to redirect both mydomain.com and *.mydomain.com to my NAS. <VirtualHost *:80> ...
4
votes
1answer
88 views

Reverse proxy with no httpd access

I'll outline my requirement, proposed solution and if anyone has a better idea please feel free to suggest. Requirements / Desires - I want multiple clients to be connectible to an address myserver....
3
votes
9answers
14k views

Is this Google proxy a fake crawler: google-proxy-66-249-81-131.google.com?

Recently I discover that some variants of a google proxy visits my sites. I doubt these are legal Google crawlers because these crawlers are NOT always behind a proxy (like the hostname describes) and ...
3
votes
2answers
88 views

How to setup a duplicate of a site at a different host so if there is an outage at the 1st host - the site will still load at the second host?

VPS RAM: 6GB SSD Web Space: 150 GB Bandwidth: 6000 GB Cores: 8 We had a really awful experience with our hosting provider recently...We have been with Hostforweb for over 14 years and things were ...
3
votes
1answer
153 views

Can I detect the IP address and location of visitors to my web application who are behind a proxy?

I'm writing a web application and I need to make sure that I have the actual IP address and location of my visitors, since there are many users in Middle East and China using proxy services to bypass ...
3
votes
2answers
3k views

How to proxy with apache site from same domain but another port as a subfolder?

So I have a problem - I have my main site on apache web server on debian on port 80; I develop a web server (in some C++ or C#) and it currently runs on port 6666. But some people are living under ...
3
votes
4answers
590 views

Single site web proxy

I want to create a dynamic mirror or a single site web proxy for my blog on a different domain. I have access to a php based web hosting, I own the content on the original site and due to low traffic ...
3
votes
1answer
815 views

Usage of special characters in the URL path instead of query-strings to allow relative linking in a web proxy

I've received complaints that the links that my software is generating aren't following the W3C URL-specification. http://www.w3.org/Addressing/URL/url-spec.txt The links generated looks like this: ...
3
votes
2answers
549 views

Can using Varnish still help to improve the performance of my site if I already use CloudFlare?

I'm using CloudFlare right now. Can Varnish still help to improve the performance of my site?
3
votes
1answer
5k views

500 internal server error when trying to implement reverse proxy under Apache. How do I forward the requests to another server without errors?

I want to forward a request from one server to another. Here is my problem: hr.example.com - port 80 - Server A support.example.com - port 80 - Server B All requests on port 80 are forwarded to ...
3
votes
1answer
289 views

Using mod_rewrite to access httpOnly cookie?

I have Apache running as a secure proxy (Port 443) between an HTTPS site and the rest of the world. This site is setting a secure, httpOnly cookie. The cookie when seen in a trace shows up in a ...
3
votes
2answers
51 views

Handling bots that request URLs in paths

In my server log, I found at least one IP address to be requesting a full URL in an awkward place. For example, the header the client sends to my server is this: GET http://www.3rdpartysite.com/file....
3
votes
1answer
713 views

Cache an external site that may have a mobile version

In continuation of the answer for the "Nginx Reverse Proxy for Tumblr" question, what is the best way to cache a web-site like Tumblr with nginx, which returns distinct results depending on the User-...
3
votes
1answer
514 views

URL rewriting via forward proxy

I have an app that runs inside my firewall and talks out to multiple end points via HTTP/HTTPS on a non-standard port e.g. http://endpoint1.domain.com:7171, http://endpoint2.domain.com:7171 What I ...
3
votes
1answer
2k views

Web form losing POST values in a proxy environment

I have an ASP.NET form (a login page), when I POST the values to the server (windows, IIS 6), the request passes through a proxy and the POST pareameters end up getting lost and ultimately the page ...
3
votes
0answers
1k views

Windows equivalent of localtunnel [closed]

Does anyone know of a Windows equivalent of localtunnel
2
votes
1answer
3k views

How to prevent wpad.dat entries in log file

My Nginx access.log is FULL with lines about /wpad.dat (on a completely empty site with only "index.php") : 190.199.220.124 - - [13/Aug/2013:22:37:04 +0000] "GET /wpad.dat HTTP/1.1" 200 731 "-" "...
2
votes
1answer
541 views

Apache proxypass directive does not recover quickly

I am using this "simple" apache ProxyPass directive. <VirtualHost *:80> ProxyPreserveHost On ProxyPass / http://0.0.0.0:3000/ ProxyPassReverse / http://0.0.0.0:3000/ ...
2
votes
2answers
100 views

Is it OK for SEO and ads on the site if I have the same content on multiple domains?

I have a web based proxy and web filters eventually blacklist the domain. Because of this, I am thinking of creating alternate domains for the same website. Each domain would host 100% same content. ...
2
votes
1answer
1k views

Proxy pass from apache to jetty using localhost

In my `/etc/apache2/sites-enabled file I have two proxy pass statements: one to a Virtuoso server which works with localhost and one to a jetty server on localhost which doesn't, because "Firefox can'...
2
votes
1answer
174 views

Bypassing hosting provider country block

My Apache server is located in a farm that is blocking an entire country for the sakes of 'security' and avoiding an hacking attack. I'm trying to bypass this block, and would like help in doing so. ...
2
votes
1answer
298 views

Apache2 Unwantingly Allowing Proxy Requests

I'm not sure if this is the right location, but this is fairly urgent. I have completely removed all traces of mod_proxy and the other mod_proxy mods, although the Apache server continues to allow ...
2
votes
1answer
1k views

IIS HTTP/S rewrite with SSL offloading non-standard local port

I posted this in a different forum and got nothing, so I'm a bit desperate. Here is my scenario: IIS running sites on 80 and 443 - external.foo.com and https://external.foo.com On the same node, a ...
2
votes
1answer
2k views

If a webpage contains an iFrame, would the iframe be loaded through the proxy server used to view the page?

I am trying to create a web proxy server similar to those available online: you access the main webpage, enter the url in a field and then, via the web proxy server itself, it would open the page in ...
2
votes
1answer
807 views

mod_proxy(_html) and a buggy Webserver (delivers text/html for JSON data)

We've got a Webserver that answers to AJAX requests by sending JSON Data to the client. Problem is that the JSON Data has the content-type "text/html" instead of "application/json" (it's an Oracle ...
2
votes
1answer
27 views

If a corporate network disables peer-to-peer networking, will that affect web-based proxy services?

I'm under the impression that PHP-based proxies download the content of a site to their server before sending it back to the browser just like browsing any standard website site. Am I correct in ...
2
votes
1answer
2k views

Apache HTTPS ProxyPass certificate location

I'm trying to set up an Apache server that uses ProxyPass to pass HTTPS requests on to another server. Let's call the proxy server ALPHA and the target server BETA. ALPHA does not run HTTPS, but ...
2
votes
1answer
53 views

What is the precise term for serving internal URLs to external ones?

Consider URLs to a public API: https://api.example.com/items https://api.example.com/add https://api.example.com/remove ... Internally, the calls are being served from local URLs, for example: 1.2.3....
2
votes
1answer
3k views

nginx proxy rewrite not matching

I'm setting Nginx to forward requests to several backend services using proxy_pass A few of them I have to add rewrite rules to strip the folder off, however for this particular service, the rewrite ...
2
votes
0answers
40 views

Implement HTTP Connect with a web server rendering a single static page so that proxy PAC files can point to it

I want to set up a fake proxy server that returns a fixed HTML page directly (same page for all requests) rather than actually proxying. Use case: Users need to update the PAC file URL in their web ...
2
votes
0answers
231 views

Google Proxy IP's in my company website access log from company user

For whatever strange reason, a user within my company has requests proxied through google proxy servers to our company website.. Instead of her requests coming from office ip to our website, its ...
2
votes
0answers
39 views

Is it possible for a website to determine whether the user is browsing through a transparent proxy? [closed]

I'm currently browsing through a local transparent proxy. I'm receiving 404 responses from a couple of web hosts, although the proxy works perfectly with everything else; I was wondering whether it ...
2
votes
0answers
476 views

Add js and css to html using squid eCAP module [closed]

Can i add js and css to html using Squi eCAP module? I read about the adaption methods. But i am unable to find the example to do it. Is there any example for this where i can read and learn.
2
votes
2answers
5k views

Apache httpd Problem

I am getting intermittent issues with my site. Pages often hang with huge loading times and sometimes fail to load. The httpd error logs contain the following: [Wed Feb 23 06:54:17 2011] [debug] ...
1
vote
2answers
8k views

Why is “googlehosted.com” in the DNS records for our website after signing up for DDOS protection?

Recently we had to get some DDOS protection for our website because of the large attacks we were seeing after getting a bit of popularity. We handed over our domain and hosting information to our ...
1
vote
2answers
76 views

How can we find real source of suspected user entries?

I have a website where I keep logging the user entries. I found some anonymous entries in my table and I suspect they are using some kind of proxy switchers. How can I find the real source of these ...
1
vote
1answer
501 views

Using modproxy to get around China's Great Firewall

I'm using WIX service and I like it very much. However, one big problem is that some of my colleagues are in China but their IP is blocked. I'm wondering if modproxy can help me. I would like to ...
1
vote
2answers
46 views

nginx proxy on domain only

I have setup a server block with a proxy in nginx which works when I hit the service with an a directory. For example I can access gs.geolytix.net/geoserver with this conf. server { listen 80; ...
1
vote
3answers
776 views

Creating an encrypted, web-based proxy

I have moved to Asia where my internet connection is censored and I'd like to check my messages from social sites which happen to be blocked. As virtually all proxy servers are blocked in this ...
1
vote
1answer
611 views

How does proxying and caching affect analytics?

What is the effect of proxying and caching at the web server on analytics reports and figures? I have an online resource that has recently been bogged down by traffic and I want to reduce dynamic ...