A method of connecting to the internet through an intermediary (a proxy server) which handles connections and redirects them.

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ProxyPass configuration

I am experiencing a confusing issue with my /etc/apache2/sites-available/000-default.conf file. I have enabled proxies (via the "a2enmod proxy_http" command) and the local site resolves properly, but ...
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160 views

Can't Add PPA Behind Proxy using CNTLM

I'm trying to add a PPA to upgrade PHP, but receiving the following error: $ sudo add-apt-repository ppa:ondrej/php5-5.6 Cannot add PPA: 'ppa:ondrej/php5-5.6'. Please check that the PPA name or ...
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134 views

I can’t set proxy of google chrome in ubuntu with Xfce

I use the latest ubuntu trusty and install Xfce desktop for it.It's doesn't work in Xfce when I set a proxy using the following method,but It works when I log out and login in unity and It‘s still ...
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26 views

Download speed of packages through apt-get/synaptic

What happens is that while downloading packages the terminal (or synaptic) won't show any download activity and then, out of nowhere, a whole package (few MBs in size) is downloaded. It is not a ...
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18 views

Using two proxies (one as a fallback)

I have two proxies at work. The first one is much more faster than the second one, but traffic is limited and there is a blacklist on it (facebook, etc.). The second one has no traffic limit and ...
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210 views

pfsense dhcp with wpad/pac

i configured the dhcp on pfsense with wpad/pac and privoxy (socks5). In Firefox i entered the automatic proxy configuration url like its in pfsense and everything works fine (all traffic over the ...
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80 views

apt-get fails behind squid proxy

I use proxy server to connect to internet. The server is a squid proxy, which blocked certain requests. Things not working: ping apt-get traceroute6 Things working: curl wget When I do ...
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182 views

Web filtering of HTTPS traffic in small network?

i am using Ubuntu 12.04 as a server in my office network with 2 nic's. I also installed Squid3 to filter web traffic. I got the success with the http protocol but was unable to block the https ...
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38 views

Auto proxy changer

I have a list of proxies and I want my computer running Ubuntu 15.04 every time check the list and find the very first available and automatically switches system proxy and of course if it removes ...
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58 views

Hash Sum mismatch while attempting latex package install

If I try to install latex using $ sudo apt-get install texlive-full it fails; reporting a fetch failure for each of texlive-base, texlive-bibtex-extra, texlive-latex-base-doc, ...
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28 views

Add a repository from a proxy connection

Does a proxy connection prevent adding a repository to Ubuntu? I'm using my college WiFi which uses a network proxy. I'm trying to add repositories but all I get is: Cannot add PPA: 'ppa:xxxxx'. ...
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43 views

Trying to use ProxyPassMatch with a pool balancer statement on Ubuntu

I'm sure I just have syntax wrong here. I've spent a couple days on this, and I can't get it dialed in. The example below, or very close, is what I have had suggested to me, and is the closest that ...
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30 views

how to create a proxified hotspot?

I am using a proxy server xxx.xxx.xxx.xxx:nnnn with an authentication. I want to create a wifi hotspot for my cellphone in which I don't need to manually configure the proxy settings.
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70 views

Squid Proxy Server not working using my private dns when in DMZ

I configured a squid proxy server using ntlm-active directory authentication which works fine when deployed in the LAN but when I move it to the DMZ, the authentication fails and hence clients are ...
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22 views

Determine nameserver to use behind a proxy

I have access to internet only behind a proxy. apt-get works fine but when I do ping google.com I get ping: unknown host google.com. This is not the case when I do ping without a proxy. How can I ...
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41 views

Create WPAD and PAC configuration files for branch proxy configurations

Below are the configuration of current proxy.pac file. function FindProxyForURL(url, host) { var resolved_ip = dnsResolve(host); if (isInNet(resolved_ip, "10.0.0.0", "255.0.0.0") || ...
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33 views

Apache proxy.conf file in Ubuntu

I want to make this configuration. Precisely, I want to do this: Enable Apache modules "proxy" and "proxy_http". The debian way: % a2enmod proxy % a2enmod proxy_http Add to the proxy ...
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109 views

APT-GET behind a proxy with DIGEST Authentication

I've edited apt.conf, applied "system wide configuration", edited /etc/enviroment, etc... but out of luck. My company is running a Squid proxy with DIGEST authentcation, which I think APT doesn't ...
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27 views

Ubuntu Server Proxy Change

I am using Ubuntu 14.04 Server edition with a configured proxy that is working well. When I attempt to install a GUI front end of any sorts it seems to break my proxy which is then unable to resolve. ...
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105 views

Squid and Webmail SSL certificate problems

I have been raking my brain for the past couple of days on this one. Hope someone can point me in a direction to look at. Last week we updated our email system to Exchange 2010. All our users make ...
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98 views

Squid cross compile

I've been trying to cross compile the Squid 3.5.7 on ARM Cortex A8 (Linux). I downloaded it from http://www.squid-cache.org/Versions/v3/3.5/ I have arm-linux-gnueabi-gcc and arm-linux-gnueabi-g++. ...
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40 views

Ubuntu Server Network Authentication

I have a dual boot system. When I boot into Windows and I open Internet Explorer, I am asked for my user name and password credentials. Once I do that, I am granted access to the internet. When I ...
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39 views

unable to install ubuntu software due to proxy authentication error in 14.04

Unable to install vlc via command sudo apt_get install vlc it shows error 407 proxy authentication required
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15 views

NSFilter Service is not running, please go to Status : Services and start the service

I have properly installed NSFilter in PFsense and when trying to start it, a dialogue is coming saying that PFSense had been started but the status still remains inactive. Kindly Advice on this.
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163 views

Browser is ok but can't direct internet through a shadowsocks server

Ok it seems an easy thing but I just couldn't make it work after lots and lots of searching. I have Ubuntu 14.04. This is config.json file including configurations of my friend's server running ...
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111 views

ProxyError : DNS lookup failure

I use load balancer for loading my website from servers. when I send some requests in a sequence. I got this error : the proxy server received an invalid response, Reason: DNS look up failure for: ...
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68 views

Alternative Way of UltraSurf for Ubuntu

I used to use Ultrasurf for bypassing proxy. However, I can't find any way to pass through proxy on Ubuntu. There is some free proxy websites like http://hideme.be , basically, does same work, but it ...
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41 views

Squid server and ubuntu router

I have configured my ubuntu server to be a router and configured the squid proxy to block access to certain websites. The problem is while it does block those websites i cannot access any other ...
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50 views

System wide proxy settings in Ubuntu 14.04

In my university we have 2 proxy settings one for Internet access with facebook and the other one without facebook. Is there any way that we can configure two proxy settings and choose the proxy ...
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85 views

Cannot access internet via proxy after installing XDM

I recently installed Xtream Download Manager on Ubuntu 14.04. After that I am unable to access to internet via our university proxy server. But in /etc/environment, /etc/apt/apt.conf, and env my proxy ...
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264 views

Root CA certs - exporting from Windows, importing into Ubuntu

I'm behind a corporate proxy, and we have Windows PCs with root ca certs pre-installed so SSL works with the proxy. Within my PC, I'm spinning up Linux VMs for testing, and so I have a need to get ...
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220 views

Ubuntu 14.04 502 Proxy Error Reason: DNS lookup failure for: radiant

I tried to access a website I use on a regular basis, but I cannot access it anymore. I do not have any experience solving issues in my computer. I was wondering whether anyone could help me solve ...
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128 views

Ubuntu Charles Proxy Mobile Devices IOS/Android

Are there any more configurations needed to be set for Charles Proxy to work on Ubuntu with mobile devices to capture the traffic? I have installed Charles Proxy on Ubuntu and launched it with sudo ...
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76 views

I have a problem in telepathy, pidgin and kmail, it always shows service not available. please help me. My OS is Kubuntu 15.04 plasma 5.2.2

when I try to launch pidgin by dbus-launch by root, it shows (Pidgin:19368): libnotify-WARNING **: Failed to connect to proxy In kontact I found modules are missing in the proxy settings
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236 views

Configure Squid as a transparent proxy

I build a VM and install Ubuntu Server 14. I want to set this server as a forward proxy and trying to install squid. Currently on the server have 2 NIC: eth0 is using private IP 192.168.10.4/24, ...
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10 views

suppress http proxy not found message

On my Ubuntu laptop I use a HTTP proxy PAC script located in my own network to be able to use my preferred settings wherever I am. I always start my network connections manually so I can make a choice ...
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18 views

dansguardian blocks localhost regardless of siteexceptionlist

Im having a problem with dansguardian, a proxy which filters internet content. My current configuration is a blanket block (blocks everything) with some exceptions. I want the child account to be able ...
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37 views

How can I create a squid3 rule (deny)?

I want, that the clients can't work on a SSH-server. The proxy squid3 should deny it. But I don't get the right configiration. Can anybody show me the correct config? Thanks
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639 views

Squid Cache Problems

I'm new to Ubuntu (and Webmin, Squid, etc). I Installed everything and got the squid3 running, but I'm stuck in initialze cache part. When I click on it, the result shows: Error - Perl execution ...
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23 views

“catch all” Rule in Squid3

I installed squid3 on my Ubuntu Server. I read, that the last rule in the squid.conf should be a "catch all"-rule. Also I read, that squid do the opposit of the this last rule. If I will write this ...
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51 views

Backend changes via Network Proxy GUI

I know the manual proxy can be setup using the network options in Ubuntu 14.04 and it works fine as posted in the link. What configuration files/environment variables change after saving setting via ...
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1k views

Basic Proxy Server config fails for some websites. TCP_MISS and TCP_MISS_ABORTED ISSUES?

I have a basic installation of squid working on Ubuntu 14.04. All I want really is to log requests made. I don't really care for ACL or caching. Perhaps later. I looked at the long squid.conf file ...
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179 views

ERROR 407: Proxy Authentication Required comes while entering proxy settings in Ubuntu 14.04.2

I am working behind my proxy at my work place. The proxy username has a backslash along with a password. This is what I have: username: itibri\t68 Pass: 2008 Port: 8080 I have tried entering this ...
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534 views

Proxy Network setting for NTP servers in Ubuntu

As debug check list on my host machine is configured to accept UDP packets on the NTP port 123. As I am working PROXY server and trinying to get connected through NTP, but everytime it was sysnced ...
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816 views

Transparent Proxy Configuration does not work

I need a little help with setting up a transparent proxy using squid3. I have the following situation: I am behind a explicit proxy and want to put a transparent proxy in front of it, so software ...
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94 views

Why is "the communication stream of managed proxy '/usr/local/bin/obfsproxy' 'closed?

I've installed obfsproxy 0.2.13 using pip. When I start Tor, after Bootstrapped 90%: Establishing a Tor circuit then I get the warning The communication stream of managed proxy ...
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475 views

how to install and setup privoxy with adblock plus filter?

I am using Ubuntu 14.10 64 bit and the adblock plus extensions always slows down my Firefox specially Facebook, so I want to use privoxy but it's not as effective as adblock plus. I have tried ...
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23 views

What protocol does the system-wide proxy use?

I'm writing a SOCKS5 proxy (hoping to integrate native encryption options (4096 bit GPG encrypted exchange for the 256 bit AES communications cypher) because I'm bored and need something to do). When ...
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225 views

svn: E175002 GET request failed: 502 proxy error

I was trying to checkout http://svn.ascend4.org/trunk/ but i after some time i get the following error: svn: E175002: GET request on '/!svn/rvr/2649/trunk/tcltk/interface/BrowserQuery.h' failed: ...
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82 views

Running tinyproxy through proxychains

Is it possible to run tinyproxy through proxychains? I want to be able to configure applications to run through proxychains, by running through local proxy 127.0.0.1. So far, I've tried adding ...