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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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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1k views

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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208 views

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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1answer
165 views

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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142 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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645 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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1answer
48 views

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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2answers
385 views

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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648 views

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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871 views

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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930 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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1answer
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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 dynamic ...
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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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120 views

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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1answer
784 views

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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1answer
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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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37 views

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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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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489 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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1answer
99 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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58 views

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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1answer
527 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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135 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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1answer
295 views

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
292 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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29 views

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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1answer
34 views

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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1answer
5k views

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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0answers
44 views

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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1answer
153 views

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 ...
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1answer
370 views

How to let locally generated packets pass through PREROUTING chain?

I would like to let locally generated packets pass through PREROUTING chain bacause I want to use sudo iptables -t mangle -A PREROUTING -p tcp -d somewebsite.com -j TPROXY --on-port 32794 to ...
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2answers
680 views

OpenBSD relay, https proxy for multiple domains

I'm trying to make a proxy for 3 web servers (running on the same machine as the proxy). A have successfully configured relayd to redirect a request to correct port by their host header, but I cannot ...
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1answer
238 views

Having trouble with apt update kali 4.17 [duplicate]

This is the error I get when I input apt update Err:1 http://archive.getdeb.net/ubuntu xenial-getdeb InRelease Could not connect to archive.getdeb.net:80 (144.76.200.19). - connect (111: ...
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Network Manager which hides proxy from applications

Is there a network manager similar to the network manager program which can handle proxy information (HTTP with authentication) and does not require the individual setup of programs; ie. All network ...
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1answer
235 views

Conditional env proxy?

I have the following proxy info in my bash_profile: export http_proxy=http://work.proxy.address.com:8080 export https_proxy=$http_proxy export no_proxy="localhost,.workURL.com" This allows me to run ...
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SSH fails to proxy through local Tor Browser with “can't resolve host”

Good day, I have a fully updated Tor Browser set up on a fully updated Manjaro Linux system. I confirmed that the Tor Browser's built-in proxy at 127.0.0.1:9150 can be accessed by using it as a proxy ...
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1answer
554 views

Docker container hits iptables to proxy

I have two VPSs, first machine (proxy from now) is for proxy and second machine (dock from now) is docker host. I want to redirect all traffic generated inside a docker container itself over proxy, to ...
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Does SSH ProxyJump require local shell access?

i have an account that can ssh to localhost alright: $ ssh root@localhost # logout Connection to localhost closed. it does not work with the JumpProxy feature of ssh however: $ ssh -J root@...
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1answer
62 views

Non-logging REST API: How can I write all HTTP(s) requests and responses to a file?

I have a daemon, call it whatverd, running on TCP port 11111. It is basically an http server, but it does not do any kind of logging or debugging. It only returns query results via JSON in the http(s) ...
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1answer
164 views

SSH ProxyCommand errors

I'm trying to understand why SSH proxycommand isn't working. I have a SSH config file in a custom location as below. vagrant@ansible:~$ cat ~/.ssh/cml-config Host mgmt-lxc HostName 10.17.238.146 ...
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951 views

squid configuration for whataspp

I'm running Ubuntu server 14.04 I successfully installed squid3.5 via apt-get and I configured it to allow all proxy requests by changing the default configuration file like the following: I changed ...

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