A proxy server is a software or a dedicated computer that acts as an intermediary for client requests. Most proxies are used as web proxies in order to filter or cache browsed web content. Using a proxy in order to maintain anonymity or bypass security restrictions is also common.

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How does a “proxy” allow me to bypass company restrictions on internet traffic?

My company provides its employees with an "http proxy" (a domain name and port number) which we can specify in applications (like Eclipse, etc.) if the application needs to access something that it ...
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41 views

Force browser to use HTTP because of HTTP proxy

I have a lot of HTTP proxies and I cannot access websites that are using SSL through those proxies. I have no access to configuring the proxies, so is it possible to force Firefox (in my case) to ...
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1answer
30 views

How to create a simple reverse proxy exposing multiple services under single port

The common problem with microservices is that developing them can be cumbersome if you use AJAX and try to read input from multiuple hosts/ports (due to cross domain requests). I am looking for a ...
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57 views

How to achieve best browsing performance using Polipo?

I'm using Polipo to browse the web, I've set up the config file as follow (consider that I have 4 Gb of DDR3 ram, and my computer is quite fast): I've noticed that seems better if I disable the ...
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1answer
84 views

How to chain SOCKS proxies?

I have a working socks proxy from my laptop (machine A) to machine B: [A]$ ssh -ND 8888 B I can set up firefox to use socks proxy on A's local port 8888, and browsing on A works. So far so good. ...
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60 views

Windows 7 VPN connection issue by proxy

In my office we are allowed to connect to internet by using a proxy which is forefront TMG I Guess and proxy gets us to other sites. It's a http proxy. I bought a VPN from cactusvpn. But when I tried ...
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1answer
42 views

Squid working on linux machine but not on vmware

I have a friend that is getting started to learn squid, so I am trying to give him a very basic squid.conf file that blocks only 3 websites. I got it running on my local machine which runs Ubuntu. I ...
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1answer
247 views

How to use Adblock AND a VPN on my Android Phone?

I'm using Private Internet Access's VPN via its App and now I'd also like to additionally use Adblock Plus. The problem however is that I apparently can only use either VPN or Adblock Plus - but not ...
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29 views

Window 8 laptop and desktop proxy issue

Similar to a previous question saying " cmd line box is on the desktop, followed shortly by a message saying; "Windows cannot find c:\program files(x86)\search extensions\client.exe" However, this ...
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18 views

Using JabRef behind proxy server. How to test connection?

I'm trying to use JabRef's DOI to BibTeX Web search feature. I enter a DOI and click Fetch, and a dialog pops up and dissappears very quickly, and nothing happens. I am behind a proxy and I am using ...
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48 views

Manual proxy setup won't uncheck

whenever I uncheck use a proxy server and check automatically detect settings, it just checks it back again. I'm running windows 8.1 on a toshiba laptop. I tried doing the same thing but in the pc's ...
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1answer
106 views

Stunnel as a transparent proxy

I am interested in the following setup firefox->(local) stunnel client-> (remote) stunnel server->forwarded to internet I thought this would be possible if I made my stunnel client connect to ...
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38 views

Bypass proxy for a windows7 application?

I have an application (windows 7) that doesn't support proxy. Is there any application that can take my user/pwd/host/port and make that application think it can connect to internet without proxy? ...
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119 views

VLC rtsp stream behind a proxy

I'm trying to access a rtsp stream behind a proxy. I tried setting the proxy in various positions inside VLC and starting VLC with the http-proxy parameter. I always get the Can't open the MRL '...' ...
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25 views

Add proxy to all network traffic of another adapter

In my PC I have 2 network adapters. My Xbox is connected to my PC and my PC to router: Xbox ====> PC =====> Router (Modem) So in Network Connections in Control Panel, I can see 2 adapters: ...
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20 views

Unable to connect to the proxy server when Fiddler is switched off

I have installed Fiddler. I have following problem: When I switch on PC Fiddler doesn't work and I don't want to start it with Windows start. I trying to go to the URL. And I see following ...
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39 views

How can I get my company proxy's root certificate (with Firefox)?

I'm facing a similar problem as in Firefox: This connection is untrusted + Behind corporate firewall that is, I'm getting "this connecting is untrusted" whenever I try to connect via https, as ...
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26 views

Why proxy configuration stops all internet communications?

I found proxy server, checked using public resource - it works. Upon that I go and configure proxy settings for my browser: tried for both Firefox Mozilla and IE - nothing works. I mean that until I ...
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16 views

Overwrite web files with locally stored versions of the file

My problem is thus: I would like to provide my own versions of css/js files that websites send to my client (browser), however all of the browser-based solutions for adding css and javascript to a ...
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1answer
50 views

Setting proxy on and off, including user agent, on Ubuntu Server in Virtualbox

I am setting up an Ubuntu Server VM in Virtualbox, which I plan to export/import into different environments, as follows: 1) No proxy 2) Behind a proxy server whose address is known, with no ...
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2answers
61 views

Can websites be filtered even when requests are sent through an encrypted ssh tunnel?

I'm in China and using an ssh tunnel to connect via a proxy to servers. It works well for most sites that otherwise would be blocked (e.g. Google, Gmail, some news sites). However, Facebook, Google+ ...
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1answer
90 views

No internet access unless connecting through VPN/proxy - How can this be done?

At work, our computers are set up so that you can't access the internet unless you authenticate with an http proxy that is configured using wpad. I want to have something similar for my home network ...
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1answer
30 views

squid listen on out interface

I have a Debian box with squid3 installed on it. My box has 2 interfaces, one connected to the internet (eth0) and one connected to the LAN (eth1) Here is my /etc/network/interfaces auto lo iface lo ...
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1answer
38 views

OpenVPN - errno=36 when connecting

When attempting to connect to the vpn, it seems to fail almost instantly after connecting. The logs below state that the connection response is getting blocked somehow by the proxy. Oct 21 10:55:17: ...
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29 views

how to use HTTP over all computer? on windows and ubuntu

I'm using a HTTP proxy on firefox, something like proxy.mit.it:8080. I can use firefox to access network. Now I hope other applications on my laptop can also use the proxy to access internet. I ...
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26 views

Is it true that http requests via proxy cannot be detected and blocked by the target server? [closed]

In the situation in which a server A sends http requests via php under proxy to server B is it real that server B can't know that the requests are sent by a proxy? And if server B administrator is ...
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2answers
117 views

What exactly causes Firefox's “The Proxy server is refusing connections” error?

Sometimes when going through a proxy, Firefox gives the "The proxy server is refusing connections". Googling this error produces plenty of results on how to fix it by disabling your proxy, but no ...
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87 views

How to get a proxy working through Kali within Virtualbox?

So, I spun up a kali machine in virtualbox, I set the proxy within virtualbox to connect to our proxy (proxyurl:port). That wasn't working, so I played around with environment variables, did some ...
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1answer
46 views

Using Parental Controls with TOR

A friend of mine wants to protect his children's anonymity with TOR. However, he is unwilling to stop using parental controls to log what websites his children visit and block adult websites. Is it ...
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1answer
76 views

Is there a way to send all the web traffic through a proxy without using ddwrt in an Asus router?

Im about to buy an Asus RT-N10U B router. I need to know whether I can use it to pass all the traffic through my proxy server without flashing ddwrt into it?
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70 views

Cannot connect to my network's proxy server

I cross-posted this from the microsoft community site since I couldn't get any answers there. I have been having quite a bit of trouble with this. I have a windows 8 system which I have not bothered ...
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10 views

Can you add a proxy exception with an exception?

Is there a way to add an proxy exception with somewhat of a case match so to speak? so say I want to allow all https, I would use: https://* but I dont want it to apply to https://testsite.com ...
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238 views

Mac OS X Force Internet Sharing Traffic Through Proxy

I have Internet Sharing set up on my Mac OS 10.9.5 machine, sharing my Ethernet connection to any devices connected to the created Wi-Fi hotspot. I'm looking for a way to force all that traffic ...
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47 views

Internal web server not accessible through my organisation's proxy server.Help needed [closed]

Normally to access any website through my college's internet we need to set proxy and port.But now i have created an internal server to host some competitions for students. But to access that server ...
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14 views

install programs whitout internet access on Machine A connected to Machine B with internet access

I have a Machine A with no access to internet. I have a Machine B with access to internet. A & B can connect to each other via ssh. I'd like to make some program installs on A (perl, R package ...
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55 views

Windows + VPN + port forward or proxy

I have two computers on LAN: 192.168.0.2 (windows 7 workstation) 192.168.0.3 (debian linux server) My windows 7 workstation (.0.2) is connected to external VPN and has also IP 10.0.15.5 and can ...
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34 views

Proxy to allow FTP and SFTP

I need to set up a system that allows FTP and SFTP to LAN users. In my company, we have 2 internet connections: normal one restricted one (provided by the ERP company): proxy that only allows ...
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1answer
92 views

Route all internet traffic through an Ubuntu VPS

Similar question have been asked but I didn't find their answers sufficient, though I might be missing something. I have a VPS running Ubuntu 12 and a laptop connected to a public wireless network. ...
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32 views

Can't connect to proxy

If I use a proxy, I can not connect to it. I tried speedy, slow, USA, and int'l servers, but none work. I am certain it is not a virus, I've scanned multiple times, and have not downloaded anything ...
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83 views

SQUID PROXY Cache Dynamic Content to second HDD

I run pfsence with squid proxy and have it set to cache data. Is there a way to get just Dynamic Content (Youtube & Windows Updates) to cache to a second hard drive. Leaving the rest to cache to ...
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1answer
126 views

MITM Proxy - Checking Validation of SSL Certificate Chains

I am attempting to check our Android app's SSL Certificate Validation. I have MITM Proxy running on my Mac and am using the Mac as a Proxy for my Android phone. I can see all of the Android's http/s ...
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1answer
124 views

Chrome ssh tunnel forwarding

I am first logging into an ssh server. Then I am trying to use Chrome for ssh tunnel forwarding. Is there a gui way of doing this? I can do this in Firefox's gui in like 10 seconds so I would thing ...
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1answer
89 views

Using CERT Tapioca on VM

I have been attempting to get CERT Tapioca (http://www.cert.org/blogs/certcc/post.cfm?EntryID=203) running on my Mac so that I can test the SSL/HTTPS security of our Android app. Up to this point, I ...
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1answer
40 views

Use Virtual Machine as Proxy in VirtualBox

I would like to network 3 VMs in VirtualBox. One will be running a proxy. Two will be unable to connect to the Internet directly, but be able to connect through the proxy VM. How should I go about ...
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1answer
124 views

Iptables to forward HTTPS traffic to remote HTTPS proxy

My goal is to use Iptables to take all traffic going to my server on port 443 and forward it to a remote HTTPS proxy server. So basically if I was to use my ip of 192.168.1.142:443 as a SSL proxy it ...
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1answer
37 views

Replace local host file modification with remote. Proxy server or something else?

I need to find a solution for a problem described below (both servers running CentOS 6) My goal is to have visible website to the public where a client will type own domain name mydomain.com and then ...
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22 views

Is it possible to specify SOCKS proxy for specified applications on Mac OS X?

I want some specific applications to work via my proxy server (SOCKS 5). Is it possible? I am currently using Mac OS X (10.9.4) Thanks,
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122 views

Not using CONNECT for SSL with Squid proxy

I want to disable encryption between my browser and my Squid so that I can get Squid to cache the pages. As using my own server and SSH port forw I'm not that worried about security. I already tried ...
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2answers
28 views

Multiple network Adapters switching

I have a multi-network adapter workstation. Lets say its a ethernet and a wifi. The ethernet is somewhat restrictive, blocking alot of blogs and other resources, and is behind a proxy server that f*** ...
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3answers
73 views

Tunnelling into a computer to get access to Internet

I have a basic understanding of tunnelling The Remote system has a web server installed and connects to internet using a LAN proxy server. I can tunnel into Remote Computer(Dynamic Port Forwarding) ...