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

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Using ssh as a proxy

I work remotely and I don't have access to some resources of my company from my local machine. Those resources can be accessed only from remote virtual machine. It's not very handy and I see two ...
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144 views

Squid/DansGuardian: Block tls on specific websites

I have successfully set up squid in combination with DansGuardian and it blocks http-traffic really wel. Sadly (and understandable) it doesn't block https at all. Is there a way to: filter specific ...
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18 views

Virtualbox in a host with static IP and require proxy [duplicate]

My host machine is a 64-bit Ubuntu 14.04. I try to install Ubuntu 12.04 in virtual box, and got problems with network. My host machine can only use static IP, moreover, everything internet connection ...
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74 views

Ubuntu as a bandwidth throttling box on windows network

I need to test the performance of some applications over different capacity connections (broadband, EFM, LAN extension etc). How would i configure an Ubuntu server to sit between the main network ...
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111 views

Transparent proxy listening on sub-interfaces

I have iptables and squid on the same box. HTTP traffic doesn't seem to be going through the transparent proxy when I change my rules on the filter table. What is the best point to filter http ...
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1answer
43 views

extra http in http_proxy setting

I've just installed Ubuntu on a desktop at work. All traffic flows through a proxy. For some reason Firefox works fine with the set proxy, but nothing else. I checked the terminal with: set | ...
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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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1answer
375 views

From WAN, VNC fails to connect through ssh 5900 tunnel if not also proxied locally

On my local network, I can VNC-over-an-ssh-tunnel quite easily. I wish to do the same from abroad. The server is set up to accept WAN-side ssh connections, and this works reliably. The problem is, ...
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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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271 views

apt-key fails behind proxy

Our company uses a filtering proxy which is setup correctly in /etc/environment and apt.conf.d Regular internet access via http and https work but if I try to import a pgp key from ...
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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 ...
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159 views

Unable to use pidgin with proxy

I am unable to use Pidgin through my institute network which has proxy(for my yahoo account). The solution suggested in this link does not work with me. I did a lot of googling ,yet I couldn't find a ...
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25 views

I'm new to UBUNTU 14.04 and i behind the proxy of owr college [duplicate]

I can't update or install any software using terminal and ubuntu software center.Through using terminal, i find error which "failed to fetch" and unable to locate the package. I also have problem in ...
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78 views

Simple internet traffic whitelist

I've been searching like crazy trying to find a solution to a problem that seems like it ought to be very simple. All I want to do is block all internet access at the system level, except for a ...
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332 views

Setting no proxy, proxy and Authenticating network from terminal [duplicate]

Somehow I can not access my desktop and have access to command-line. I can ONLY see wallpaper after login (no icons), I think I messed up with lightdm. Other posts suggests that I can reconfigure it ...
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335 views

XDG_Runtime_dir Variable not set

Per this link: http://superuser.com/questions/269407/apt-get-behind-proxy-on-virtualbox-ubuntu/506066#506066 I update my ~/.bashrc file with export http_proxy="<my proxy>" export ...
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125 views

NO_PROXY environment variable limit

I'm setting NO_PROXY and no_proxy environment variables in a Ubuntu 12.04 LTS box. From this VM I should create a template. Each environment variable is composed by more than 1000 entries (basically ...
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66 views

Maintain a local cache for offline browsing

I am building a web kiosk that I want to be available even if internet is lost. The browser is chrome and its based on Ubuntu. Is there a way to do this with a local proxy/cache server running on ...
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37 views

Installation of Ubuntu server with proxy settings

I have been installing the Ubuntu 14.04 server. During the installation process, it asks for network configuration. I have proxy set up in my college campus hence I donot know about the IP address ...
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1answer
488 views

Squid3: allow some site only for some user

I've a squid3 proxy on my server ubuntu. I would allow access to a group of sites only to a group of users. Now my simple code is this: acl WHITELIST url_regex "/var/proxy/whitelist/test.whitelist" ...
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62 views

Creating a VPN connection from an Ubuntu Server 14.04 LTS

I'm using an ubuntu server as a LAN internal proxy server to connect to IRC servers using irssi. I would like to be able to tunnel that traffic through a VPN. How would you install vpn onto ubuntu ...
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3k views

Nginx using default configuration on its own

I have set up Nginx on Ubuntu server 14.04 I want to configure a very simple server block that listens for /app path and redirects traffic to a running nodejs instance locally. I have done that with ...
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135 views

HAproxy rewrite to subdir

I use HAproxy (version 1.5) to redirect to my OpenStack dashboard. The dashboard has the URL https://10.10.10.10/horizon If I access the dashboard through HAproxy via the URL https://haproxy/horizon ...
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2answers
537 views

Unable to download anything from apt-cacher-ng proxy

I have installed apt-cacher-ng on my server. There are about 10 clients which will use this proxy to download the packages. Things were working fine since many days, however, all of sudden I started ...
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436 views

SOCKS proxy to SSH server behind HTTP proxy

I set up a SOCKS proxy at port 9090 to computer B elsewhere: ssh -D localhost:9090 user@B and configured it in my local Google Chrome browser. However, computer B is behind an HTTP proxy, so HTTP ...
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53 views

Monitoring user proxy activity

i want to ask about monitoring package.? which one you recommended to me? Darkstat, cacti, nagios, webhtb, sarg, or you can tell me more about it. it's okey. I am happy to break my OS and format it ...
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13 views

Update error : Clearsigned file isn't valid, got 'NODATA' [duplicate]

We use a proxy at our work location. I have updated the same in the 'Network' applet. However, I keep getting this error. I have had a look into similar posts - but, there isn't something that clearly ...
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1answer
109 views

Cannot use Thunderbird properly with proxy setting

My laptop is running Ubuntu 14.04 LTS. After setting the proxy in the system level, the softeware center and chrome browser can work well. But Thunderbird cannot. No matter what is the proxy setting ...
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12 views

Update and upgrade

I installed Ubuntu 14.04 without an internet connection. Now I am unable to see even basic packages like synaptic / software center. What are the installation steps that I missed without internet and ...
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91 views

how can set the proxy in my computer

My computer is Elitebook 745 running Ubuntu 14.04 LTS. It can connect to the Internet very well in my working space where is no proxy server. In my residence, there is a proxy server. It can be ...
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3answers
1k views

Wget command error (Error parsing proxy URL http://localhost:4001 : Bad port number.)

I was trying to download and install a package using terminal(wget) that i get this error: Error parsing proxy URL http://localhost:4001 : Bad port number. I think it's because of bad ...
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1answer
291 views

apt-get install proxy problem: no such file or directory

I can't seem to install anything using apt. I guess it's a proxy issue, but I checked /etc/environment and I've included all the necessary proxy information. I've included a picture of the errors I'm ...
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223 views

Unable to install pepperflashplugin

I am trying to install pepperflashplugin on Ubuntu 14.04. After I install it from a repo, I try: $ sudo update-pepperflashplugin-nonfree --install --verbose options : --install --verbose -- ...
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277 views

OpenVPN: Public IP still visible when connected to vpn

I'm trying to use a vpn with a proxy using openvpn. I get to connect to the vpn, but my public ip is the same whether I'm connected to the vpn or not, and I don't really know why, but I guess it means ...
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270 views

Having issues creating a SOCKS5 Proxy. Can not Tunnel device

I have a desktop machine in my home which ive turned into a Ubuntu (desktop 14 LTS) SSH server using OPENssh. I can SSH into my machine locally using public key authentication (&Putty from my ...
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71 views

How to know the all minimum privileges that software needs?

I am using a VPS as a public proxy, and I have begun to realize that I must make my VPS more secure as I have seen in Securing Public Shadowsocks Server. Shadowsocks is a fast tunnel proxy that helps ...
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79 views

Proxy Server refuses connection after short period of time

I have a freshly installed ubuntu version 14.04 running on my Lenovo G780 (only later I learned that this Laptop may not be the ideal choice for a Linux system). Please note that I have never really ...
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2answers
763 views

How to set and unset a global proxy with only one command

I want to set the proxy for apt-get and the global proxy in xubuntu like here but with only one command. How would it be? What's the problem with this code? I save it in ~/.functions add the line . ...
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1answer
2k views

Error when adding ppa repository: keyserver.ubuntu.com: Host not found [duplicate]

I had to reinstall Ubuntu today and despite having configured proxy for Apt, when trying to add a new PPA, the step that communicates with keyserver.ubuntu.com fails: $ sudo add-apt-repository ...
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302 views

Ubuntu Server not using proxy settings

i am using the ubuntu server package (terminal only) and i am struggling to get the proxy server working. there is no username/password for the proxy. When i am trying to do sudo apt-get update i ...
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2answers
3k views

How to set a proxy for terminal?

I am looking to set a proxy for terminal. What I need is I want to send all terminal communications to the internet through a proxy, say tor. I tried to set a system wide proxy set up. But Terminal ...
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1answer
506 views

channel 34: open failed: connect failed: Connection refused

I'm using a ssh-tunnel to a server (Linux 2.6.32-431.11.2.el6.x86_64 x86_64) with a socks5 proxy. To build up the connection I'm using the following command: ssh -D 62378 user@server.de The socks5 ...
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252 views

connect to an authenticating sock5 proxy?

anyone has successfully connected to authenticating sock5 proxy server? firefox seems not to support username/password fields when configuring sock5 proxies (see this bug, they have a patch but they ...
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1answer
68 views

sudo apt-get trying to connect through old proxy

I previously had a proxy set-up when visiting somewhere for work, to use the internet there. I have since returned, and I thought got rid of the proxy. However today when I try to run sudo apt-get ...
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1answer
141 views

Use proxy for transmissions on certain url?

for some reason my server isp is blocking certain urls on port 443 , is there any way so i can pass just those urls transmissions through a proxy ? api.example.com:443 and server.example.com:443 if ...
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2answers
5k views

Proxy settings for TeamViewer10 in UBUNTU 14.04

I have installed Teamviewer 10.0 (32/64 bit multiarch version) on Ubuntu 14.04. When I bring up the Proxy config window (Extras -> Options -> General -> Proxy Settings[Configure]) all I can do is ...
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2answers
341 views

Circumvent a proxy for a utility that uses libsoup (intel-linux-graphics-installer)

I am trying to use the intel-linux-graphics-install package to get an older integrated graphics card working. The installer utility cannot connect to the internet due to a proxy, and this prevents it ...
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1answer
75 views

How to make Juju connect to Openstack VM using ProxyCommand / ssh config?

My Openstack VMs in my setup can be only access using a gateway machine. I always need to use a ProxyCommand to connect to them. Now I work with juju and, after setting up metadata and tools, I run ...
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1answer
507 views

Error in devstack installing on ubuntu

I'm getting following error while installing devstack on Ubuntu 14.04: ERROR: openstack Error finding address for http://10.16.37.215:9292/v1/images: [Errno 32] Broken pipe where 10.16.37.215 is my ...
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1answer
344 views

Unable to update system from terminal on Ubuntu 14.04

I am using Ubuntu 14.04. Recently my institute changed network proxy settings. After that, I am unable to update anything from my terminal. Also, new installations from terminal are not possible. I ...