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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Random URL's in access.log

My server recently started getting a massive increase in the number of random URL requests. 124.173.67.77 - - [23/Jul/2016:21:21:04 -0400] "GET http://www.059boss.com/index.php HTTP/1.1" 200 12040 "...
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9 views

Setting up http_proxy on embedded Linux

We are running embedded Linux on some hardware controllers my company builds in-house. These are usually connected directly to the internet through our customers' networks, but recently, we've had a ...
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35 views

ssh proxycommand authentication

I found this on the ssh man page: SSH_ASKPASS If ssh needs a passphrase, it will read the passphrase from the current terminal if it was run from a terminal. ...
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2answers
19 views

privoxy + ssh forward remote http request to local web server

My local machine does not have a public IP and the IT department cannot setup an NAT for me, I want to setup a proxy on my remote public server which will forward the request to my local server. I ...
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10 views

Proxy or something else to mirror website?

I want to set up a website on my internal network that mirrors the bbc iplayer website and have all the associated functionality. The internal site will be a vm or a container with a vpn client ...
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12 views

Configure vpn and non-vpn proxy or how to let application bypass a vpn

I have icedove configured with a gmail account amongst others. However everytime I use or change a vpn, google complains and icedove can't receive the gmail emails. The process to fix this is rather ...
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41 views

How to Include the Common ACL Rules in a Group ACL in the pfSense Squid Guard Package?

I figured out how to use the GUI to block black listed sites dependent on what time it is, but it's a little verbose for my tastes...is it possible to set a Common ACL and then have the Target ...
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1answer
44 views

Images and Stylesheets not loading from squid due to a bad certificate?

I just setup Gate Sentry on a Raspberry PI 3, and it contains Squid 3 as part of it's proxy chain. It also utilizes ssl bump and certain websites that use SSL (usually big ones, like Facebook and ...
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1answer
46 views

Temporarily ignore/bypass proxy settings using iptables when WFH

I have an HTTP and HTTPS proxy at my work. Though when I work from home (on the laptop from work) I would like to disable the proxy settings (connect directly to the Internet). Then, when I come back ...
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2answers
119 views

Why is npm struggling to connect to the internet on my Arch?

So while downloading the Atom Text Editor through the command yaourt -S atom-editor, but I get these errors: Installing build modules... npm ERR! Linux 4.5.4-1-ARCH npm ERR! argv "/usr/bin/node" "/...
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1answer
43 views

Using /dev/tcp with proxy

Is it possible to use /dev/tcp with a proxy? I only found wget is possible to use with proxy, but wget doesn't help me in my case.
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20 views

Using Linux machine to wirelessly connect to printer's browser interface

I'm trying to use a raspberry pi (that factor shouldn't make it any different than any other linux box, but may make the application make a bit more sense) to remotely view a website. For example, if ...
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16 views

installed (brew) Privoxy on El Capitan and didn't do config changes - is there a security and privacy benefit?

I installed privoxy with brew and changed system wide proxy settings for HTTP and HTTPS. I didn't configure anything with privoxy. Just default. I use multiple layers of security controls, so in ...
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37 views

How to proxy all traffic except local traffic and ssh to another server?

I have an application that connects a local database on the loopback address. I would like to send all the traffic of this application to another server to hide it's IP. The first solution I tried is ...
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1answer
110 views

Failed to syncronize cache for repo 'fedora' … (possible proxy issues)

I just started on a fedora build. Just managed to add myself to the sudoers file, so now I am attempting to grab vim. I do a sudo dnf install vim and get hit with the following error message. ...
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1answer
42 views

Searching for a solution to set up a reverse proxy for game servers

I run a game server on my dedicated box in country A, which runs Linux and communicates with its clients using UDP. The server has players from both inside and outside Country A. Players within ...
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1answer
28 views

Proxy for home use with specific needs

I'd like to set up a proxy at home that will allow for filtering and logging of internet access. I currently have an old Eee PC running Lubuntu and serving as a wireless access point, among other ...
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16 views

Redirect request to a new location (google.com->newhost.com)

I am looking for a way to redirect traffic from one host to another. Wildcards would be sweet, as it's not always certain what the parameters from the URL are. I am currently using Charles Proxy's ...
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1answer
36 views

SSH - How To Make Three Computer Tunnel?

ComputerA connects though putty to Server at port 77, and there is a reverse tunnel set up from the Server at port 6666 to ComputerA at port 22. ComputerA also has a ssh server set up with a user ...
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36 views

wget probelm with a tunnel connection using ssh

I know this is not a new question, but I have researched a bit and so far none of the answers I've seen gave me the answer. I have this situation: I´m working on a campus where the network is highly ...
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1answer
41 views

How can I specify a system wide proxy without giving my password in plaintext?

I must use a proxy for all internet traffic, I currently have it specified like this in /etc/environment : http_proxy=http://jsj:plaintext_password_yikes@proxy.whereiwork.com:8080 https_proxy=http://...
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1answer
75 views

How to pass certain URL to parent proxy in squid?

I would like to retrieve certain sites or domains via uplink proxy in squid. I would like to have a list of such sites. How to do that? I see directive always_direct, but I need opposite: pass all ...
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56 views

Why would all our CLOSE_WAIT connections have 24 bytes in the receive queue?

We have an Apache reverse proxy that is having connectivity issues with the back-end. This results in timeout errors such as this: [Thu Apr 21 12:12:26.031207 2016] [proxy_http:error] [pid 64620:tid ...
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38 views

Trying to download new Yakuake skins on my Arch/Gnome installation, but cannot

Currently I am using Arch Linux with a Gnome Desktop Environment. Now I have chosen to use Yakuake as my terminal. I'd like to use other skins that other people have put up online for my terminal. ...
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34 views

yum - separate proxies connection to non proxies

On my RHEL7 server, I have: RHEL repositories on a local server Other repositories on the net (EPEL, etc) When I run yum, I would like to use my proxy server only for external repositories (or for ...
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13 views

Share socks5 connection to a 2nd NIC system wide

I'm trying to accomplish the following: I have a server with two NICs. One is wireless (wlan0) made as an access point (using hostapd) and the other one (eth0) is connected to a network that doesn't ...
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1answer
43 views

How to set Remember proxy login in Chrome

In Firefox we can remember login details for proxy authorization. How to do it in Chrome. I have tried giving chrome-proxy://proxy.company.com:port which is suggested in the Google forums, but it ...
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2answers
48 views

Access to the internet from a firewalled server

I'm trying to set up a test Docker platform at work. I need pull images, but can't do so because the test server does not have direct internet access (firewalled). There is another server that can ...
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28 views

How to get packets queued by the kernel packet filter?

I made simple HTTP proxy which accepts connections from clients on a fixed port; the proxy forks for every incoming connection, and the forked process deals with the flow of packets to the Internet ...
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44 views

How to proxy nmap and dns resolution of nmap

How to use nmap and dns resolution of nmap over proxy? I tried proxychains, but for dns resolution it doesn't work, it's known bug as I read on some forums. It works well without dns_proxy feature in ...
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1answer
116 views

CentOS: yum update Cannot find a valid baseurl for repo

I am trying to do yum update but I'm getting the following error. I have exported http_proxy & https_proxy Have added proxy settings in /etc/yum.conf like: proxy=http://10.44.208.10:8080 ...
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38 views

Permanent proxy by sshuttle to Tunnel all the traffic

I need to set a proxy for my server. So I ran sshuttle on my server as follows:screen -dmS proxy sshuttle --dns -r alex@152.21.94.233:2020 0/0 When I log out the session, I can not login to the ...
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115 views

How to Copy Files through Socks 5 Proxy?

I'm trying to copy files from ubuntu server A to debian server B. Accessing both of them via SSH on win7 laptop C. Because of slow transfers the company running A provided a Socks5 proxy. Now when ...
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127 views

Tunneling multiple ports through a single port [duplicate]

I'd like to forward several ports from my local machine to a remote machine through SSH tunneling. However, I want this to happen across a single port. Is there a protocol or tool that can multiplex ...
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1answer
92 views

authenticating ldap users with searchguard for elasticsearch

I have an elastic-search setup with search-guard plug-in. My elastic-search web access is behind single sign on proxy , and i want to authenticated users coming through SSO according to their roles in ...
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89 views

Dante server doesn't work with username method

I've installed dante-server (1.1.19) on ubuntu 15.10 using apt-get install dante-server. I'm trying to make it work with the system passwd file. My configuration is as follows: /etc/danted.conf ...
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136 views

Forward and reverse proxy to tunnel ssh through Apache

I have an Apache 2.4 server (on Debian Jessie) with multiple websites running on it with and without SSL. In the hotel where I am now, port 22 seems to be blocked, but I would like to connect to my ...
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1answer
62 views

Proxy information without username and password

I am installing Debian and have been prompted to enter proxy information in standard form of "http://[[user][:pass]@]host[:port]/". I don't need any username and password to connect through my proxy. ...
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60 views

Proxychains not working behind proxy

I am able to access internet only behind a proxy 172.16.24.4:3128. When I run proxychains with proxy given by Tor, then my proxychains works fine, but when I run proxychains with the proxy through ...
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1answer
243 views

Driver Manager through Proxy

I'm having some issues getting drivers through the Driver Manager on Linux Mint 17.3. I am currently behind a corporate proxy and do have my system variables setup appropriately e.g. http_proxy & ...
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83 views

Central solution for switching proxy settings

At work we have a proxy server, at home I do not have one. In total I have 5 virtual machines and a bunch of other programs which do not support using the system proxy settings. When I come home from ...
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63 views

sshuttle crashes after logging into the server

Every time I try to start sshuttle it crashes after I login to the server. Here are the output I get (I cut some parts): mattia@Xubuntu-HP-Mattia:~$ sshuttle -r user@server.xyz:22001 0/0 [local sudo]...
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21 views

Google map api and rhel proxy server

I have a RHEL virtual server that connects to our corporate environment via a proxy server. Using a Google Map API from my desktop, which sits within the corporate environment, retrieves data ...
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1answer
380 views

Linux Mint 17.3 not connecting to the internet when in terminal but able to connect using firefox, and i'm using proxy

I have installed Linux Mint 17.3 Mate on VirtualBox and have added a proxy, When using firefox I'm able to load webpages but when I try to run update of the system or to ping it fails , The update ...
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67 views

traffic routed without proxychains

Before i am encountering problem with Proxychains and Tor in Kali Linux 2 as it seems that traffic to 127.0.0.1:9050 is always denied. However, when i try to curl my ip (without proxychains), the IP ...
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92 views

redsocks within private network

Is it possible for redsocks to capture traffic within the LAN/Same subnet/private network. I need to proxy ALL the outgoing tcp traffic from a Linux device. The device, proxy server and target server ...
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84 views

Embed a proxy script in a multiwan aggregation

I currently admin a router running OpenWRT 15.05. The current setup involve 3 wans aggregated with the multiwan package available on the official opkg repos. In those 3 wans, 2 are typical DSL access ...
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57 views

why is sTunnel failing to launch?

im a bit stuck and need help understanding what im being told as there is nothing in the log file, i get the following error when i try and run stunnel (servermode): sudo /etc/init.d/stunnel4 start &...
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459 views

Curl fails with ntlm proxy

My work uses an NTLM proxy. On my Linux servers and workstations we us cntlm to authenticate. I'm not having any issues with yum,wget, or the web browser, but for some reason curl refuses to work ...
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1answer
18 views

Webserver Browser Application

Ok so this might sound crazy, but what I want is to be able to go domain.com/chrome and have a browser open in my browser. The purpose is basically a proxy when I'm in a Net-Nanny environment. Am ...