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

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Proxy server security

I installed Squid, and in this server guide, there are some security configurations. Is there any risks when using a proxy server? What are Squid security threats?
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Ubuntu proxy setup with @ in username and password

I have an issue trying to setup my internet with Ubuntu. The problem is that I have an @ character in both my username and password and can't change them since it is my campus internet login details. ...
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Why Kerio is not working properly on Ubuntu

I have both Ubuntu and Windows on my system. Kerio works great with no problem on windows, but in Linux the story is different. Everytime I get connected to Internet (DSL connection) Kerio does not ...
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1answer
2k views

Can I use manual socks proxy for only specific sites?

I am using socks proxy with chrome. With dconf editor, I can add ignore-host so that browser connect this hosts without proxy. Now I want to do opposite of this. I mean I want to specify hosts so that ...
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1answer
28 views

Why shell and browser return diffrent ip address?

I set global WebProxy by UBUNTU setting->network->networkProxy and then i open http://whatismyipaddress.com/ and i get my proxy ip address but when i use this command: wget -qO- ...
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90 views

Unable to add TLP

I am new to Ubuntu. I was trying to install TLP for better power management. But, somehow it's not getting added. Please help! Please check this LINK TO TERMINAL SCREEN-SHOT:MY terminal window NOTE: ...
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203 views

Sharing internet connection with tablet over a proxy-server

I have a proxy-server at home and set up my ubuntu accordingly. All works fine. My setup is that you can only gain internet access over that proxy. Now I have setup a raspberry pi with an edimax ...
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720 views

HAproxy failed to start

HAProxy is configured to use as load balancer for geoserver i followed the procedure explained in this http://geoserver.geo-solutions.it/edu/en/clustering/apache/haproxy.html page and i edited ...
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425 views

How to block the specific websites using proxy server?

I need to block the social networking sites like facebook, twitter, etc within my office network. I tried some proxy server and enabled settings in browser like giving IP and port number. It works but ...
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21k views

Cannot Add PPA Behind Proxy Ubuntu 14.04 [duplicate]

I am unable to add a repository via the command line on Ubuntu 14.04. Apt-get works perfectly fine, and I am able to update the system. I have configured my /etc/apt/apt.config file as follows: ...
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2k views

How to resolve the DNS locally when there is a proxy configured?

If I configure the proxy, under Settings -> Network -> Proxy, and then try to access "http://google.com", the name resolution (IP of google.com) will happen there, at the proxy server but... How can ...
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302 views

Maven gives “Resolving Version for Plugin” Error when trying to create a project

I am a newbie to both Linux and Maven. I am trying to get maven working so I can install Mahout. I am having more than just one problem with the process but I will focus on the most basic one: I am ...
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184 views

Can't Open A Specific Website. Can Open With A Proxy. wget stucks on “HTTP request sent, awaiting response…”

Ok, I'm having a very weird problem. I've searched through google and ubuntu forums but it seems that this problem, if faced, is unsolvable. However, I'm very hopeful that I'll get a solution here. ...
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189 views

mod_proxy timeout error on Ubuntu server

My Apache2.2.2 server hung up every day on almost same time, And I have to restart the apache server. I am getting the following error messages in apache error log. [Tue Apr 08 07:09:06 2014] ...
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153 views

MAAS / nodes have limited internet access after install

I´ve installed a test environment for MAAS and JUJU. MAAS manages both DHCP and DNS. Following setup: maas01 - static IP juju01 - dhcp and dns from maas01 node01 - dhcp and dns from maas01 and pxe ...
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2answers
143 views

installing node.js in VM with proxy

I am running Windows on a network that has a corporate authenticating proxy (NTLM). I have setup CNTLM and verified that it works fine with Windows. I am using VirtualBox and have installed Ubuntu ...
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75 views

How To Open My WebPage Using External IP In My PC?

I am using UbuntuServer13.10 in my server and Windows7SP1 in my PC and both connected with a DSL modem (Dynamic External IP), So whenever I try to open my server page in my PC using internal IP of ...
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335 views

firefox ignoring proxy settings and connecting directly

I have Ubuntu 12.04 and it's been a couple of months that I have this problem. The problem is that firefox's proxy settings has no effect on it and despite what settings I set in ...
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55 views

apport-collect <bug_no> returning “No route to host”

I just filed a bug on launchpad, for which I have been asked to submit the output of: apport-collect 1296270 However, when I run this command, I get the following output: ERROR: connecting to ...
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44 views

Apt keeps trying to connect to a non-existent proxy

I have an apt proxy on my home network which is running squid-deb-proxy, all my Ubuntu machines are linked to it with a 02proxy file in their apt directorys. The problem is one of my Ubuntu machines ...
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38 views

Limit download speed if filesize 20mb

Is there a software like trickle lets say for example? That i can put as a proxy and lets say set it up so that if a filesize that i am downloading is over 20MB it will limit it to 2kb? I found ...
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3k views

How to make Ubuntu honor “ignore-hosts” proxy settings for IPv6?

I just typed under "dconf-editor", System → Proxy → ignore-hosts, the following content: ['localhost', '127.0.0.0/8', '::1', '192.168.0.1', '2000::/3', 'fc00::/8'] But, Google Chrome (and apt-get ...
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Unable to use proxy in terminal despite apt.conf file

I use a wired LAN at my college which uses proxy. As per this answer I edited my apt.conf file. My proxy details are as follows Username: mahe\ict.student Password: mumit@123 Proxy host: ...
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496 views

swift proxy server not running

We are making a private cloud using openstack manual install guide of essex version. We have reached the swift configuration part. For installing swift we need 5 components ,proxy server being the ...
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1answer
31 views

Cannot unset http_proxy

I have Xubuntu and I can't unset the http_proxy variable. And I want to unset it because i can't downloading now. I try to do unset http_proxy or export http_proxy=
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1k views

juju http-proxy and no_proxy settings

I'm setting up an environment with juju and maas. The maas environment has no direct internet connection, a proxy must be used. I have configured the juju environment's proxy using juju set-env ...
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151 views

How does Polipo/tor become globally used?

I installed and configured polipo/tor a while back and one of the things that regularly surprises me is this: Boot up and Firefox, which is configured to use the polipo SOCKS proxy, always goes ...
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2k views

Proxy tunneling failed: Proxy Authentication RequiredUnable to establish SSL connection

$ wget https://raw.github.com/mseknibilel/OpenStack-Grizzly-Install-Guide/master/KeystoneScripts/keystone_basic.sh --2014-03-05 12:55:27-- ...
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250 views

N2N-Edge VPN and CentOS server

I have one big appeal. I'm newguide in configuring iptables etc... I have at home FreePBX server (on CentOS 6.5) where is installed n2n VPN as service I will name it [S] (adress on home LAN ...
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289 views

sudo apt-get update/ failed to update [duplicate]

I just installed Ubuntu 13.10 saucy salamander. When I try sudo apt-get update and I get the response Err http://extras.ubuntu.com saucy InRelease Err http://archive.canonical.com saucy ...
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190 views

High availability distributed Proxy server

I am trying to setup a distributed high availability proxy. Each proxy server should be located at different regions. DHCP Server can be used to inform the client machines to use proxy server which is ...
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468 views

Run Tor as Client Only

I'm running tor with the following command: tor --ClientOnly 1 --RunAsDaemon 1 --CookieAuthentication 0 --ControlPort 8119 --PidFile tor1.pid --SocksPort 9051 --DataDirectory data/tor/tor1 This ...
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583 views

How to add a proxy settings to gem

Does Ubuntu have default proxy settings? I ask this question because every time I try to install rails through gem install rails I get connection timed out error! This error occurs even I try from ...
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SSL Reverse proxy

How would I go about setting up a SSL reverse proxy using apache as the ssl reverse proxy and lighttpd as the web server? I want everyone to be forced to connect with ssl, so any http connections get ...
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435 views

Running a command in a new terminal instance in a bash script

I have a bash script where I configure my proxy settings automatically. I have created some aliases in the .bash_aliases file. Now there is one command where I ssh into my remote server and do some ...
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Problem downloading “not free” programs from Ubuntu Software Center [duplicate]

I bought "Quick 'n Easy Web Builder" in Ubuntu Software Center on 15 march, 2013 and it worked OK after unlocking it with my license key. Now I have replaced my computer (with Ubuntu 12.04LTS) but I ...
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640 views

Can't get internet working in Ubuntu 12.04 guest virtual box

I cannot get internet working at my work place, may be because of proxy. At home internet works perfectly fine. Virtual Box is using NAT for network connection. I had also tried changing the ...
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3answers
7k views

apt-get doesn't work behind a proxy

My company uses an HTTP proxy and our various Ubuntu 12.04 servers therefore need to be configured properly, namely by setting \etc\apt\apt.conf.d\80proxy to: Acquire::http::Proxy ...
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1answer
422 views

How can I open and close an SSH tunnel along with Firefox?

I have a proxy server which I connect to like so ssh -L 2001:localhost:8888 -N myserver.com -p 443 I then open up Firefox firefox -p "SSHProxy" (It starts Firefox configured to use port 2001). ...
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How to setup Squid Proxy Server on ubuntu 12.04 LTS?

I had tried using the ubuntu wiki guidelines to set it up on test server, and it worked. Though I would appreciate if anyone can provide me with few other links as this time I am going to install it ...
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2answers
813 views

One IP address, Two Websites, on Two Machines - Need details

This question has already been posted by another user but a detailed answer was not given.. Here is the link to the original question - One IP address, Two Websites, on Two Machines I have two ...
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1answer
474 views

nc: Proxy error: “HTTP/1.0 403 Forbidden”

I am using Ubuntu 13.10 x86_64. I am not able to ssh over proxy to remote host. When I issued: ssh -vl hackep6t 162.251.80.25 I got this output: OpenSSH_6.2p2 Ubuntu-6ubuntu0.1, OpenSSL ...
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1answer
541 views

How to fix very slow network access through proxy after upgrading to 12.04

I'm running a lab that sits behind a proxy server. We have been using Ubuntu 10.04.4, and getting reasonable internet transfer rates. I'd like to upgrade to 12.04, but when I test it, attempts to ...
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2answers
132 views

How to setup my machine to run as a web proxy? [duplicate]

I am running ubuntu 13.04 and I want to set it up so that all the web traffic in the LAN must go through my machine .
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2answers
419 views

Dropbox (different) installation error in Ubuntu 12.04

When trying to install dropbox from terminal (using How to install Dropbox? guide), and trying to install the repository key I get the following: ~$ sudo apt-key adv --keyserver pgp.mit.edu ...
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2answers
1k views

Proxy Blocking apt-get, Allowing wget/curl

I'm having an issue getting passed my corporate proxy server. I had an exception put in place to allow my IP address to pass through, but haven't been able to get apt-get to work. wget can get to ...
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74 views

Applying proxy button is not shown

In my system whenever I try to apply proxy I never see "Apply proxy system wide" button I have seen this problem on some other ubuntu systems too! What should I do? ? How do I apply proxy system ...
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Ubuntu as a proxy stop to comunicate to the other computers

First, I will try to describe the scenario: I have an Ubuntu Server 13 as a proxy to the Internet for many other network´s equipment. In this proxy there two network cards, one of them is binds ...
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817 views

DNSCrypt-proxy works, but with incorrect permissions

I have successfully installed and find myself in the middle of configuring dnscrypt-proxy for use on ubuntu 13.10 x64. However I am running into some issues with permissions in general. I have added ...
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993 views

How to configure Ubuntu Server to use a proxy server

I have 2 instances (Proxy_Server & Web_User) hosted on EC2, both running Ubuntu Server 12.04. On one of the instances (Proxy_Server) I have Squid installed. I want to use Proxy_Server as a proxy ...