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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Resetting to __noproxy__

I am trying to download the EL repository for RedHat7. Using the instructions given on the ELRepo homepage, I ran into the following error: rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org ...
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430 views

Is there any way to encapsulate RTP/RTSP/RTCP into one TCP connection?

Here is my setup : I have 2 blackbox communicating with each other using some sort of radio. Both blackbox can send/receive at the same time. I can send/receive data to each of these blackbox using ...
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iptables rules on squid proxy machine

I use my web-browser to connect to the internet via a squid proxy server (which I own). The proxy port is 3128. I want to lock down the other ports on the machine running the proxy server, however my ...
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Squid on Linux being detected as proxy, but not on Windows

I have added the following to my squid.conf #Privacy Things via off forwarded_for off follow_x_forwarded_for deny all request_header_access X-Forwarded-For deny all but when I go to whoer.net it can ...
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Restrict all other domains and serve only ServerName in apache proxy configuration

Using Apache HTTPD 2.2 web server in RHEL 6 with Name based virtual hosting. Trying to configure the Proxy for one of my web site . (FYI: its for kibana dashboard) <VirtualHost 192.168.12.20:80>...
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Fedora 26: dnf update not working behind proxy - failed to synchronize cache for repo 'updates'

On Fedora 26 when I do sudo dnf -v update I get the error > Loaded plugins: builddep, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, > needs-...
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373 views

Log ipaddress, mac address, siteurl, port using proxy in OPENWRT

Hi I have setup the OpenWrt (Chaos Calmer) in my router, now I want to log the ipaddress, mac address, requested site url and port using a proxy. Which proxy server is best to achieve the above ...
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1answer
234 views

What happened to TCP and UDP packets when they are being NATed?

If I have two Virtual Private Servers and they are located in different countries. Then I want to use one server (139.162.131.242) as a proxy server to proxy tcp and udp traffic, the proxy process ...
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How to connect Skypeforlinux (and other programs) on Debian 9 through proxy

I have found this: http://xpo6.com/skype-for-linux-behind-a-proxy-server/ changed the ip address and the port, but it still does not work. Then I tried > export http_proxy='http://username:...
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Configuring Squid as a proxy server that allows torrenting

I have an Ubuntu 16 server with Squid 3.5 installed. The squid.conf file only has two lines: http_port 1234 http_access allow all Right now I can set this server up as a proxy, and use it to send ...
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1answer
2k views

NGINX upstream based on $scheme

We have an upstream which can serve both HTTP and HTTPS traffic. The question is - how to make NGINX send traffic to the correct upstream's port? Current config is: upstream platfrom-dev-eu-app { ...
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Can I use SSH to tunnel a specific port via my server

I'm trying to tunnel a specific port through my server but I'm not sure where to start or if SSH is the right thing to use. My current situation is this: There's a media server at http://example.com:...
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How I can configure w3m to use squid proxy (or any proxy) by default when invoked by a specific user?

Can I configure w3m to use Squid by default when invoked by a specific user in a bash login shell? I've looked inside the w3m configuration file, but I don't see any setting were I can set squid as ...
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1answer
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On-demand SSH Socks proxy through systemd user units with socket-activation doesn't restart as wished

To reach an isolated network I use an ssh -D socks proxy. In order to avoid having to type the details every time I added them to ~/.ssh/config: $ awk '/Host socks-proxy/' RS= ~/.ssh/config Host ...
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automatically restart nginx proxy with monit

I tried to mointor my nginx proxy in one VM with this config in # cat /etc/monit/conf.d/nginx check process nginx with pidfile /run/nginx.pid start program = "/usr/sbin/service nginx start" ...
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linux http proxy with web accelerator

I am looking for a suggestion for which http proxy to use. I am planning on installing an http proxy in my network but then I thought that perhaps I should get one with tcp/web acceleration. I have ...
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1answer
521 views

How to proxy App over a reverse SSH-Tunnel (multiple hops)

a question to SSH-tunneling. I am trying to proxy Firefox over a Pi, that is in a network behind a NAT. This Pi builds a reverse SSH tunnel to one of my servers, which works pretty well. When proxying,...
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SQUID intercept mode using external authentication and ICAP with adaptation_send_username not working

My goal is to transparently filter HTTP and HTTPS URLs based on a user name that is obtained via an external acl type. I am running Squid 3.5.23 in intercept mode, after researching, it seems that ...
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Using an internet hosted server as a proxy server

I have been hunting around for an answer to this and created some IPtable rules but have not found exactly what I am after. I host a service which clients connect to, but due to a one customer ...
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1answer
251 views

Access repository where direct access to the repository's URL is blocked

A Raspberry Pi is located behind a hardware firewall which is configured to block all outgoing communication to any IP except my server (all ports are allowed) and to block all incoming communication ...
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CentOS 7 - yum not using proxy for all requests

I'm trying to configure yum to use a proxy for all requests. So I added to /etc/yum.conf : proxy=http://proxy.domain.local:8080/ yum is working correctly, but I can see in my iptable logs that yum ...
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How to offload TLS client certificate authentication to a simple proxy

I have a web application that is accessible only through HTTPS with client certificate authentication. I need to run some analysis tools which don't cope well with client certificate authentication. A ...
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1answer
678 views

nginx reverse proxy: host not allowed error

I'm trying to use nginx as a reverse proxy. One server is a play server. When I try to proxy the server, I receive a 400 Host Not Allowed error. flow --------...
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1answer
440 views

Rewrite rule nginx, token

I have a java application which is behind nginx proxy pass. When the URL is called the application automatically creates a path for the served content. So when you call https://somedomain.com you get ...
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error installing oracle 11g on Ubuntu 17.04 Mate

I am trying to install Oracle 11g on my Ubuntu Mate 17.04 machine. In one of the installation steps, I am required to key in the proxy details/credentials. In our college, there is a wifi as well as ...
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How many concurrent connections will handle By Squid proxy

I am running opensource squid proxy with port 3128, some times squid proxy PID goes to non responsive state and after some times squid back to responsive state. Could you tell me how many concurrent ...
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How do you use proxy with the whois command?

I tried exporting into http_proxy and https_proxy but that didn't seem to work. I am guessing that there is another way to use a proxy when querying whois information from the command line?
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1answer
8k views

Connecting with sftp using a proxy server

I am trying to connect to an external server using a proxy with the below command: sftp -v -o "ProxyCommand /usr/bin/nc -X connect -x proxyserver.com:8080 %h %p" user@server.com This isn't working. ...
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878 views

Is there a fiddler proxy equivalent for Debian?

I like to setup a (SOCKS) proxy on my Debian system. For certain URLS/domains I like it to execute my code (C, C#, JS, I don't care really) with the url and server response (html or JSON). The domain ...
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Getting an HTTPS proxy to run my code [closed]

I like to setup an HTTPS proxy on my debian system. For certain URLS/domains (let's call it example.org), I want it to execute my C# code on the server response (HTML or JSON). This could work by ...
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Sniffing https/http traffic from entire OS with mitmproxy

I'm using debian 8, and i want to capture all the traffic from it. So i installed mitmproxy on the same os on which i want to capture https, and i set up in the 'network->wifi->http proxy and https ...
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Unable to add gpg key with apt-key behind a proxy

Adding a gpg key via apt-key systematically fails since I've switched to Ubuntu 17.04 (I doubt it's directly related though). Example with Spotify's repo key: $ sudo apt-key adv --keyserver hkp://...
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835 views

Route all traffic through proxy

My school uses a proxy with authentication to filter the internet. I have a Node.js script that needs to establish a connection to another server via non-http ports ( >1024). How do I send all of my ...
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2answers
4k views

SSH ProxyCommand one host to reach another [closed]

In our ENV we have 2 jumphost server in which we try to get login and run ssh command on the remote server, we have ssh/confg file for each location with the help of sshproxy we get into the Jump2 ...
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How to send a key anonymously on a server through tor from command line?

There are only few servers that are supporting key uploading from a tor node as given in the sks servers list. How would you suggest to send a key anonymously through tor from command line? I guess ...
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0answers
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How to set proxy only if ethernet cable is plugged in

I know there's the possibility to set proxy from the command line using export http_proxy="http://USER:PASSWORD@PROXY_SERVER:PORT" I'd like to automatically set it up only when Ethernet cable is ...
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0answers
417 views

How to handle duplicate AD usernames from different domain for authentication using ldap proxy + nslcd

I have scenario in which there is one ubuntu machine which serves as ldap proxy using ldap as backend and i have two windows machine 2008 r2 having active directory each with different domains let say ...
2
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1answer
352 views

Proxy sub.domain.com/link1 -> 10.1.1.1:8080/someotherlink1

Trying to do a simple proxy from sub.domain.com/link1 to another server 10.1.1.1:8080/someotherlink1. This is what my server context looks like: (I modified the default nginx.conf) server { ...
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0answers
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proxychains is revealing my public IP, not properly using Tor proxy

I'm trying to setup proxychains on my system in order to randomise my IP address. I want it to use the Tor network. I have installed proxychains and Tor via apt get install and started Tor with ...
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1answer
2k views

Linux Replacement of RD Gateway

Is there a way to replace RDS Gateway with some sort of linux based proxy. I know there some ways to do it with ssh/port forwarding, but this is to replace a current RDS Gateway our users utilize for ...
2
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1answer
174 views

How to allow OCSP but disallow all other outgoing HTTP requests?

Is it possible to allow OCSP requests using for example iptables or Squid? I'm doing an experiment where I reject insecure outgoing HTTP requests, but OCSP is of course a valid exception since the ...
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1answer
97 views

How to test proxy if its working and send mail if isnt

i need a script that will test if proxy is working or not. Scipt should download a page with wget then grep for specific string of characters. If it can't find the string then it should send a email ...
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1answer
6k views

Trying to test if proxy is working

I wrote this simple script: export http_proxy='http://proxy.test.cz:1234/' wget -nvq --proxy-user=test --proxy-password=test google.com &>/dev/null | grep -q 'You cant user internet' || echo "...
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Forward proxy with Apache and SSL

At my company, I have to support a rather old application that does not support TLS 1.x. This application sends request to Salesforce, which is in the cloud (outside the company's secure perimeter). ...
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tracking proxied TCP connection

I'm a unix admin at a college. I've two web servers. One of them is for faculty and one of them is for the official college web team. The offical web server proxies requests for faculty web pages, ...
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1answer
794 views

How to test list of proxy servers?

I have list of HTTP/HTTPS/Socks proxy servers like this: 1.2.3.4:80 5.6.7.8:8080 ... I need to test each server if it works and if it is anonymous or not. I plan to put these servers to my ...
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2answers
3k views

How to know if torghost is safe to use? [closed]

I found a blog post about torghost, I am wondering if this has some potential harmful software or have some potential risk in using it.
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1answer
3k views

How to find out how is curl getting its proxy

I have a SUSE Linus and when I run curl it is using a proxy (without any proxy-related parameters passed). Where can I find the proxy configuration? I checked the http_proxy/https_proxy environment ...
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2answers
1k views

How to set use tor DNS as the default DNS? [duplicate]

I want to have all DNS queries passing through tor. How to set my default DNS to go through tor? In other word I want to use the IP given by tor-resolve google.com instead of dig google.com.
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1answer
1k views

nginx behind proxy server

I have nginx to forward traffic to certain site, example config: server { listen 80; server_name *.company.com; location /CentOS/7.2.1511/x86_64 { proxy_pass http://mirror.centos....