Questions tagged [proxy]

A proxy is a program that acts as an intermediary in connections between a client and server. There can be proxies for any communication protocol: HTTP, SSH, …

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Linux Mint : Cannot do apt-get update

I'm using the Linux Mint inside a proxy. I already configured the proxy settings in /etc/environment for the whole system and I used this solution (https://askubuntu.com/questions/257290/configure-...
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Why don't APT connect to HTTP proxy using HTTP `CONNECT`?

Why don't APT connect to HTTP proxy using HTTP CONNECT? I want to use APT with an HTTP proxy, so I've exported the http_proxy variable with the address of my server http://10.10.10.10. Now, my ...
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How do I change route (IP) of tor service from the command line?

I'm using the tor package coming with the debian-testing distribution: Package: tor Version: 0.3.5.8-1 I'm frequently using it in combination with proxychains like: proxychains -q curl -s -L https:/...
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anyconnect linux

I really need a vpn right now. I have tried 4nonimizer and vpnbook but for plenty of reasons I couldn't have access to any of them. I was trying to download cisco anyconnect but couldn't find a valid ...
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Squid: Setup reverse proxy based on url path

I'm currently trying to bypass browser security, by hosting a static html page under all (external) domains. e.g. Given a webpage hosted at http://myinternalserver/mypage.html When I request https://...
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settings put global http_proxy accepting syntactically incorrect proxies

I am working on an android device in kernel level, when I set an incorrect proxy through command adb shell settings put global http_proxy hhhh:8080 it is accepting without any errors. if i do ping ...
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Which Linux proxy wrapper is based on system policy but not hook?

I have used a CLI tool that using policy to force Linux scripts to use a socks proxy. However, I forget its name. (By force I mean not using environment var. like SOCKS_PROXY.) The tool I remembered ...
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bastion server with MFA don't work with proxycommand

I have a bastion server with enabled MFA using google-authenticator service. But I cannot use proxycommand through my bastion: $ ssh -vvv -i ~/.ssh/file.pem user@ip -o "proxycommand ssh -q -W %h:%p ...
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Nginx as Web Proxy fails on https

I have been trying to configure nginx to act as a web proxy (like squid) to be able to modify headers. It is working with http, but https shows "Server not found". Also, I can access directly with the ...
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How to chain two proxies, or: How to redirect network traffic from one process, to a local proxy

Here's the scenario: I have a proxy, that when Chrome is setup to map requests to, records the requests from Chrome + the responses from the real server. It records all of this in a special format, so ...
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adblocking proxy

I'm a user of several modern browsers and I don't like spam. So I install adblockers, like ublock origin. But you have to install extensions in every browser you have and the plugins are not for term ...
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Find which file is providing the proxy settings to a host

A Fedora system shows incorrectly configured proxy settings on boot. I need to figure out which file has those wrong proxy settings. I checked ~/.bashrc and ~/.bash_profile but they don't have those ...
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asus ac68 merlin curl ignore http_proxy

asus ac68 is a router. I have installed the latest firmware(merlin) 384.11. curl -V curl 7.64.1 (arm-unknown-linux-gnu) libcurl/7.64.1 OpenSSL/1.0.2r zlib/1.2.5 Release-Date: 2019-03-27 Protocols: ...
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How to use haproxy for outgoing requests?

I am trying to create a tls link between two haproxy instances. Each instance is installed on a machine which have some apps that need to talk with each other using the proxy. I want the haproxy ...
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Do any open source HTTP/HTTPS proxies exist that support PAC?

I was recently hired in a large corporation where I need a VPN to access email and other vital resources. When connected to the VPN, I need a wide range of HTTP proxies to access various URLs. On ...
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Outgoing HTTPS proxy using apache

I have an HTTP/HTTPS web server running on Apache 2.2.22, and I would like this machine to act as a proxy server as well. So far I have tried to modify the proxy.conf file as follows: ProxyRequests ...
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apt-get over proxy, error “405 Method Not Allowed”

I try to setup the Advanced Packaging Tool (apt-get) to work over TOR. The Web-Browser is working fine, YouTube-DL needs --proxy "socks5://127.0.0.1:9050", wget douse not work wget: unable to resolve ...
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How do I use xbps with an authenticated proxy?

How do I use xbps with an authenticated proxy? what configuration do I have to do? I'm looking for an example because I've tried configuring the environment variable and nothing, I'm almost buying a ...
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79 views

Which concept does ssh “proxy jump” belong to: proxy, port forwarding or something else?

Which concept does ssh "proxy jump" belong to: proxy, port forwarding or something else? By ssh "proxy jump", I mean either ssh -J user@vmhost user@vmguest or in ~/.ssh/config: Host vmhost ...
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35 views

Squid Proxy Server Error : Upon Starting

I got this error upon starting Squid Proxy Server using the command sudo squid -z fatal: ipc::mem::segment::create failed to shm_open(/squid-cf__metadata.shm): 13 permission denied How shall I fix ...
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What are the ways to unwrap HTTPS in proxy-like way using standard tools?

For the low-end 8bit devices like home computers of 80ies, when attached to internet via newly-made network cards, or for low-end embedded devices as well, it is practically impossible to browse ...
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Access container with Nginx

I have a Centos 7 server. In this server I have Nginx. In this server I have a Docker which contains my app. App.yml: version: '2' services: myBrand-app: image: myBrand ...
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Docker behind a proxy requires restart on boot

I am trying to run docker behind a proxy on a linux/ubuntu server machine. I have configured every proxy on the box (FTP/HTTPS/HTTP), I have also configured the Docker proxies mentioned here: https://...
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Firefox and Eclipse don't recognize the proxy on RHEL

I have a proxy configuration in .bashrc http_proxy=http://my-company-proxy.com:80 https_proxy=https://my-company-proxy.com:80 export http_proxy export https_proxy If I try to access the external ...
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DDoS attacks to my Apache/Nodejs server?

I checked by various netstat commands that many connections are made to my VPS Debian server. I have NodeJS app running behind Apache2 proxy pass and when I want to open this app its really slow (5-...
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lynx proxy authorization

A number of scripts on my system are relying on lynx which in turn can't pass through my proxy. More specifically, lynx successfully picks up the global proxy settings except the user id and password ...
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managing multiple proxies in linux

I use different proxies for different purposes. I use shadowsocks proxy for my general purpose web surfing. For going to bank websites, I disable proxy. For accessing some websites related to my ...
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290 views

How is SOCKS protocol used in SSH dynamic port forwarding? [duplicate]

When creating connection(s) between application client and application server via SSH dynamic port forwarding by ssh -D, how is SOCKS protocol used? Is SOCKS used as a protocol for communication ...
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In port forwarding, is the ultimate destination decided solely by the intermediary entity? [closed]

In port forwarding, is the ultimate destination to connect to solely decided by the intermediary entity which provides port forwarding, not by an application client? Although the page mentions ...
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How does SSH used for dynamic port forwarding know where a request wants to go?

Dynamic port forwarding using SSH uses SOCKS protocol. How does SSH know where a request wants to go? For example if the request is a HTTP request, SSH doesn't understand HTTP, so where does it find ...
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Git Server Binding Directory To Port

I have a git server i have stood up. It is a basic one with all the remote repositories stored under /mygit/repo/ I can push and pull and all the other git stuff using this ssh syntax ssh:/...
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What are the relations and differences between port forwarding and proxy?

Is an entity which performs port forwarding considered as a proxy? If not, what is it? A proxy is transparent to users of the clients of its proxied server: a user sends a request to a destination ...
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238 views

How to make Google Chrome and work through corporate proxy? Ubuntu LTS 18.04

I'm using RDP Ubuntu LTS 18.04 under corporate proxy. When I'm trying to use google it's doesn't load any web pages: This site can’t be reached www.google.com refused to connect. Try: Checking the ...
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Squid block non-proxy user

I installed squid which is listening on port 3128. Now, I would like to show an error webpage to every user who tries to connect to any http/https webpage and doesnt have proxy set up. What parameter ...
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NPM always fails to install packages Deepin Linux

I Have Deepin 15.9 Installed on my Hp ProBook 5330m as the main OS! I am sharing VPN connection from my android phone to my laptop using android app called (Proxy Server) and after set my phone as ...
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How to filter domains on a transparent network bridge?

How can you filter traffic on a transparent network bridge? With iptables it is possible to some extend but most of the time a proxy is recommended or alternatively something like pi-hole or dnsmasq ...
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How to configure squid to accept all http headers

I'm trying to connect to my SSH server through squid using HTTP injector but I get a protocol mismatch. The problem is only with the following payload I guess as it has a \n before GET. Using some ...
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253 views

How to pass options to ssh proxy command?

To collect some data from a bunch of hosts I use a bash script which calls scp in a loop. Most of these hosts are configured for ssh public key authentication. I may skip those which have no key ...
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52 views

Utilize established ssh tunnel from another shell?

I have an established ssh tunnel (port 9876) that is running in the background and was established with this command: /usr/bin/autossh -M 0 -o ServerAliveInterval 30 -o ServerAliveCountMax 3 -D 9876 ...
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simulate geographic distance between servers

I want to simulate geographic distance, so I need to add delay to each receive/transfer package. I read that squid could work, however, playing with its configuration haven't given me the right ...
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207 views

AIX sftp to IBM sftp server using proxy fails

We have support server where would need to upload the snap data to IBM using proxy connection. We have already whitelisted the Server IP Address on the proxy side, Tried the ssh -J proxyjump option ...
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56 views

using local dns to allow domain based transparent proxy

I am from iran and some websites are blocked for iranian ips (like nvidia and intel and so on). there is this website that advertise that I can access those domains buy just changing my dns to theirs. ...
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Redirect request to corporate proxy server with nginx reverse proxy

I have a Gentoo linux where I run an application that makes requests to a certain domain, but does not respect my proxy setting I made in the environment variables (http_proxy, https_proxy, HTTP_PROXY,...
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1answer
196 views

ssh routing between multiple linux system containers transparently

I have system where I run multiple containers. Each container is a linux system with a specific purpose and every container has a ssh server enabled. I want to make an entity that manage new ssh ...
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How can I connect to an SSL-only website with a non-SSL-aware program?

I have a program on CentOS 6 that connects to a server online. I believe the server has been upgraded to require SSL, but my program version does not support that and I cannot easily build a newer ...
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260 views

Squid with squidguard launch problem [closed]

I'm not able to successfully launch squid with squidguard. Here is my service squid status : ● squid.service - LSB: Squid HTTP Proxy version 3.x Loaded: loaded (/etc/init.d/squid; generated; ...
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Proxy address is being replaced with /dev/cdrom

I have a weird issue that I can't seem to find an answer for. When I enter: git config --global http.proxy http://{username}:{password}@{proxy address}:{port}/ It returns an error: git config --...
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Proxy settings for zypper on OpenSuse Leap 15

I am using OpenSuse Leap 15.0 with KDE environment on a desktop that is connected to the LAN at my institute. The institute uses a proxy and the settings the system administrator asked to use is: ...
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wwwoffle alternative? [closed]

I'm looking for a caching proxy server that will allow me to browse visited sites while being off-line. I'm a frequent flyer and when working on something on a plane, I find it difficult not to have ...
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Proxify all the traffic from B to A [duplicate]

My computer A has two networks, one connects to internet. The other one connects to computer B. How can I setup A to route all the internet traffic from B through a proxy running on A without setting ...