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

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Viber on Ubuntu 14.04 LTS using Proxy-connection

I am using Ubuntu 14.04 LTS as Operating System. I have installed Viber successfully. But there is Problem, because i am using Proxy to connect to the Internet. So Viber can not connect to the ...
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995 views

configuring haproxy for SMTP traffic

I am trying to get SMTP (and IMAP, POP, IMAPS, etc..) to run over my haproxy server but i can't seem to actually get traffic to be allowed through. Anytime i telnet to my ip on port 25 i get: (same ...
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1answer
1k views

apt-get works via proxy, but nothing else does

This pertains to Ubuntu 14.04 behind a proxy server that requires authentication. I've managed to get apt-get working via proxy. My /etc/apt/apt.conf looks like this: Acquire::http::proxy "http://...
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1answer
424 views

Network proxy settings BQ Aquaris E4.5

I am the proud owner of a brand new Ubuntu phone and come across a basic problem right away. How can I configure network proxy settings? I have poked around in the network settings, but have not found ...
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1answer
412 views

Unable to run apt-get with proxy even after setting the environment variables

I was trying to configure proxy in my lubuntu 14.04. Since I wanted to use the username and password for my proxy authentication, I opted ntlm and installed it. Now I can use my proxy link as 127.0.0....
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1answer
261 views

why can't system proxy work while firefox/chrome works well with proxy?

I'm in a lab and have to use proxy for Internet access. I can set proxy on firefor/chrome (8080) and use the proxy to access Internet. But when I set the proxy on system setting of ubuntu(http://www....
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1answer
89 views

Internet Connected but cannot visit websites

My laptop is Elitebook 745 G2 running Ubuntu 14.04, new installed. It has dual OS: Ubuntu and Windows. The internet service works well in Windows, but cannot work in Ubuntu, though it is connected and ...
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1answer
238 views

Juju - Proxy issue

I am using ubuntu 14.04, my juju environment is MaaS, however seems like my MaaS server doesn't have direct internet connection, for example: If I do apt-get update it shows connection. But if I do ...
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1answer
42 views

Why can't I install software through my working Internet connection?

I have recently installed Ubuntu 12.04 on Dell Vostro 1014. While I was installing the OS, my system was connected to a network via the LAN cable. The network required a proxy for connection. Now when ...
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2answers
1k views

Persistent SSH Connection

I use this command to make an SSH tunnel to a remote server. ssh -D localproxy:9999 -C tcx0@111.222.333.444 I also made a shell script using expect command to auto process entire process with also ...
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1answer
4k views

Squid Cache Problem on Webmin

I'm new to Ubuntu, Webmin and Squid So I'm following the tutorial to set up my squid proxy server on webmin I'm able to start the webmin and squid. But unfortunately after I got to the step where we ...
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1answer
67 views

Network and terminal proxy [duplicate]

I use my Ubuntu 14.04 laptop in 2 networks. One of the network requires a network proxy. So suppose initially my laptop doesn't has any network proxy added to it. I switch it on and add the network ...
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2answers
119 views

Home server, where to start

I'd like te set up my desktop at home as a server with multiple services: First: NAS and remote desktop control, in browser, but terminal only (like telnet) is fine by me. Next: I would also like ...
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1answer
153 views

How to set up custom routes with 3 NICs

This is my network topology: I want every data proxy incoming request to eth0 to reply via eth0 , as well eth1 will reply to the data coming into eth1 too... Active Route : Kernel IP routing ...
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0answers
176 views

Is there a program for Ubuntu like Proxifier, that works with all applications?

I'm using Tor to access blocked websites in my school (Internet access through proxy with authentication). In Windows there is software called Proxifier which routes all connections and acts like ...
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24 views

How do I configure the Ubuntu SDK to use a proxy cache?

The Ubuntu SDK sets up emulators for me, which seems to involve a call to click chroot which then runs debootstrap. How do I pass through my proxy server settings through to debootstrap? I want to do ...
3
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1answer
64 views

How to escape @ symbol in enviroment file? [duplicate]

I have my /etc/environment file set up with proxy settings. It looks like this - http_proxy="http://userName:password@proxy:port/" https_prxoxy="http://userName:password@proxy:port/" The password ...
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2answers
157 views

Unable to acces twitter.com website

I can't access twitter.com. I don't know why. Is it due to proxy or other things?
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40 views

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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184 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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99 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 (17....
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0answers
134 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
48 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 | ...
2
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1answer
571 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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340 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 keyserver.ubuntu....
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206 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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87 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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587 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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1answer
749 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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2answers
771 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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1answer
752 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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1answer
122 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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3answers
2k 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
362 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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1answer
367 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 win8....
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0answers
89 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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98 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
1k 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
3k 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 ppa:...
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3answers
546 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
10k 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
599 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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1answer
345 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
86 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
161 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
6k 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
467 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
94 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
702 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
458 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 ...