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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How can I reach a remote ssh server through my http proxy (80 port)?

I want to reach a remote ssh server through or over my http proxy. My proxy requires authentication, so I am a little lost.... could somebody give me a hand? Thanks in advance.
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168 views

Iptables proxy, redirect all connections from a certain port to the internet?

I have an ubuntu pc and an android phone conneted to my router through a cable and wi-fi respectively. I set the android phone to use a proxy my-wan-ip:5555 and enabled port forwarding on my router on ...
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189 views

OpenLDAP as a Proxy cache only, no local database

I am trying to get a local LDAP proxy cache running. The idea is this: Currently a computer (A) is sending all ldap requests to a remote ldap server (L) Instead of that, there should be a proxy ...
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1k views

Transparent HTTPS Squid proxy with upstream parent

I've got a network without direct internet access where I have Squid 3.5.9 as a transparent proxy listening on tcp/8080 for HTTP and on tcp/8443 for HTTPS (redirected via iptables from tcp/80 and ...
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20 views

How to Benchmark Forward Proxy

I want to have a forward proxy with content processing, so I modified http://www.banu.com/tinyproxy/ and added content processing to it. It works well, but I need a standard benchmark to test my ...
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140 views

Create Wifi Hotspot for sharing SOCKS Proxy on Ubuntu Server

I'm using Ubuntu Server and I have a SOCKS Proxy server on my client which is created with SSH -D command. I want to create a Wifi Hotspot on this computer which passes the traffic through this SOCKS ...
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73 views

Is port forwarding always used in proxy server, gateway and tunneling?

It seems to me that proxy server, gateway and tunneling all forward traffic that they receive to the actual destinations. So is port forwarding always used in proxy server, gateway and tunneling, or ...
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16 views

Is this a workable way to do the same thing as tethering on Android?

My laptop uses Ubuntu 14.04. My phone with Android 4.4.2 is limited without tethering by the mobile carrier. I have come up a thought as a workaround: find a router which can create a WiFi LAN (but ...
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111 views

Identical situation different results! cannot watch youtube over proxy

I use a socks5 proxy for daily Internet browsing to bypass Internet censors (actually it is a Windows application called freegate and I use it under Wine it doesn't need accounts or anything: it is ...
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1answer
212 views

Can I setup a local transparent proxy to forward requests to another another web proxy

I would like to set up a local Linux system to tunnel all http/https requests transparently through a corporate proxy. Many scripts honor http_proxy environment variables but some don't and it is a ...
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463 views

configuring httpd for multiple domains on same server

A CentOS 7 web server is hosting one public domain, called mydomain.com. The same server also has a separate vpn that hosts two apps for private authorized/authenticated users only. Httpd is set up ...
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85 views

Using remote server IP like a proxy command line on my local machine

I have a remote linux server with an ip like x.x.x.x. I want to use my server to use my commands. for example I want to use apt-get update command from my local machine and command run in my local ...
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123 views

Detect HTTPS Post Request Body (and JSON-Body)

I have a program which communicates with a server via an JSON-API. Basically what it is doing is sending POST requests to https: // myserver / json with a json-file within the POST body. I need a way ...
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585 views

About tun2socks (BadVPN) SOCKS proxy

I am not very experienced with socks proxy. Recently I found the tun2socks. If you open the link, in the 1st paragraph it says : It implements a TUN virtual network interface which accepts all ...
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54 views

Proxy pass on Apache redirects instead of proxying

I am trying to proxy an http service running on the same machine using apache proxy pass. When I try to connect to my subdomain.domain.com, I am redirected to 127.0.0.1, which is the address that I am ...
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259 views

How to route traffic through different proxy servers based on destination

Background I work on a corporate network that is behind a proxy server. I also work with some remote sites that I am able to access via a bastion / jump host ssh proxy. In my ~/.ssh/config I have a ...
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69 views

Configure Tor Browser to run over SSH SOCKS proxy?

I'd like to proxy all of my Tor Browser traffic through my home network remotely over SSH. If I have SSH access to a computer in my home network and a Tor Browser bundle here, how can I set up the ...
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1answer
145 views

Can I set a proxy for specific yum repositories?

I know I can set a proxy server globally for all repos in /etc/yum.conf but can I do it separately for specific repositories? e.g. this is a line I can put in /etc/yum.conf ...
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106 views

How to download a video from rtmp protocol from behind proxy using rtmpdump

I am trying to download video from rtmp://flash.dce.harvard.edu/bounce/mp4:2015/01/14328/L01/14328-20140902-L01-4-h264-av1248-16x9-852x480.mp4. My college internet runs behing proxy, Is there a way I ...
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1answer
110 views

Connect to internet through socks proxy where local DNS does not resolve

I have a local machine with CentOS 7. There is a Socks V5 proxy server on the local subnet that provides this machine with access to the internet. I am able to download files with, curl -x --proxy ...
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1answer
70 views

Connecting two end-points through proxy server with SSH tunneling

I have a simple client and a HTTP server (port 80). In some cases, the client and server can exist on different locations, NAT'ed behind a firewall (allowing only outbound connections to port 80). ...
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77 views

Proxy connection via SSH from one terminal to another

I have a private proxy which can be either HTTP/SOCKS, and i am renting a Linode server that i use for web-hosting. If I use a program like putty to SSH onto the webserver and run who it will display ...
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182 views

Internet connection only through VPN after forced shut down

When on campus, I can only access the internet via the university's VPN. The connection is established by the Cisco Annyconnect Client (version 4.1). I also set the proxy in the browser. All according ...
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12 views

tcp_outgoing_address: cannot connect to website

I have a LinuxMint running in a virtual box. I have installed a squid3 proxy server and it is working. However, if I want to add a tcp_outgoing_address it is not working. I am using the default ...
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4answers
1k views

Set monthly data limit for internet proxy (squid) users

We are using a squid proxy server (version 3.1.4) in our office environment on linux box. In total we are approximately 20 users and all are in one network and we have internet plan of 25GB/month. Now ...
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1answer
240 views

Tunnel all network traffic through another Linux server

I have two VMs both running Ubuntu 14.04, one is connected to the internet and accessible publicly but the second one is not. Now whenever I want to install something or run apt-get update, it does ...
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2answers
51 views

Is there a way for pre-setting proxy addresses for specific networks?

I'm tired of commenting in and out different proxy acquire lines which located in /etc/apt/apt.conf.d/10proxy as I change networks. Is there a way for binding the settings for networks? Iphones have ...
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1answer
120 views

SSH Tunneling - Local and Remote Use Cases

I just learned the basics of SSH tunneling from googling. I saw this interesting question: How does reverse SSH tunneling work? But I still find it a bit confusing, more specifically on the ...
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1answer
764 views

Internet not reachable from the terminal in kali linux 2.0

I am running Kali Linux 2.0 in virtual machine in windows 8.1.The problem here is my terminal is not connecting to the internet, but my kali linux browser is working perfectly. I could not use tools ...
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1answer
68 views

Proxify dns queries for bash command

I want to use different dns server (not tor, any dns server i set) for certain terminal command. Say it would looks like $ DNS_SERVER=8.8.8.8 dnsify ping example.com and it uses google dns. I know ...
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113 views

Using socat to Tunnel/Proxy TCP want to split send/receive into separate files

I'm using socat to dump plain TCP (e.g. HTTP) traffic: socat -v tcp-listen:$PORT,reuseaddr,fork,keepalive tcp:$TARGET_HOST:$TARGET_PORT At the moment all send and receive traffic is dumped into ...
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How to use yaourt on arch linux under proxy?

How do I install applications using yaourt under proxy network. For pacman I can simply use: export http_proxy=http://usernm:passwd@link:port sudo -E pacman -S application But how do I do this for ...
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75 views

Unable to update arch linux under proxy [duplicate]

Cannot update pacman using sudo pacman -Syu under proxy network. I tried exporting environment variables using export http_proxy='http://uem:12345@172.16.0.1:3128/' as my workplace network uses ...
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2answers
557 views

Browser is ok but can't direct internet through a shadowsocks server

Ok it seems an easy thing but I just couldn't make it work after lots and lots of searching. I have Ubuntu 14.04. This is config.json file including configurations of my friend's server running ...
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140 views

firefox 38 hanging with corporate proxy and winbind?

I seem to have broken firefox 38 and it is unusable. It just hangs and freezes for long periods of time ranging from a few seconds up to infinity - usually in steps at the authentication prompt for ...
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3answers
375 views

How do I set systemwide connection over a proxy server

My Internet access is through a proxy, my OS is Debian 8, each application must configure it to use the proxy, but there are some that are a headache to make it work with a proxy, then my question is: ...
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41 views

Is there any way to configure fully automated proxyclient for workstations?

My network diagram is similar to above image; pc-router is also acting as firewall & I'm running squid on it. pc-router is running debian Vlan having workstations running fedora, ubuntu and ...
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1answer
98 views

RHEL internet connection behind company proxy?

Just set up a RHEL v6.4 VDE for development but I can't seem to connect to the internet no matter what I try. I'm sitting behind a company proxy that requires authentication. Here's what I've done so ...
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1answer
89 views

Local transparent proxy

In my workplace I'm using Debian Linux. It is, however, a Windows shop and recently they decided to install a proxy that needs my Windows domain credentials to use. I can only access the Internet ...
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1answer
415 views

Disable SSH tunnel “open failed” messages

I want to disable the "open failed" messages that appear in a SSH session when tunnelling is disable. It interferes with my SSH session if I'm, for example, writing something in vim, then the whole ...
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158 views

git refuses to connect without proxy

I work on a Linux system in a Windows environment. To authenticate with a NT proxy server I had setup cntlm and configured system programs to use it via setting http_proxy environment variable in the ...
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1answer
318 views

Redirect proxy traffic through another IPv4 address

I have a CentOS 6 box running Squid and Privoxy to create a custom proxy setup. The server has several public IPv4 addresses configured on virtual eth0 interfaces. My Goal: I want to send all proxy ...
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0answers
152 views

Privoxy - Annoying Error Used IPTables

I'm running privoxy off a machine that also has hostapd installed, I am trying to run all http traffic from hostapd through privoxy i have already tried this: iptables -t nat -A PREROUTING -p tcp ...
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1answer
77 views

Install nginx as proxy after Apache

If I install nginx as proxy on my Debian wheezy server, what steps would be needed to change my apache configuration so all static content is directly delivered by nginx? I already have some 250 ...
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3answers
389 views

How to browse a website as if I am in USA? [closed]

I am in Taiwan right now and whenever I go to a website that I could browse in USA, it directly transfers me to the Asia site. There is no way to browse the USA version of the site, probably because ...
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1answer
283 views

Forwarding a udp socket connection to a range of ip addresses

I have a program which is a udp socket client. I can determine an IP adress to which this program should send. Unfortunately, I configured the computer as Access Point and don't know the address of ...
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1answer
834 views

How to update squid proxy 3.5 in Centos 6?

I am using Centos 6.6 with 32 bit OS. Now I want to update squid proxy from 3.1 to 3.5. Is it possible to update in centos 6.6? If it is possible, please tell me how to update it.
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1answer
305 views

Proxy server vs /etc/hosts file

I was told today that /etc/hosts is not a viable option for testing a new destination server. The DNS for /etc/hosts modifications could still cache the old DNS settings and we would get incorrect ...
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1answer
81 views

Unexpected netstat output in DNAT conditions

So, here I have a basic setup with SOCKS5 proxy listening on, oh, say 8123 I redirect TCP to the proxy via iptables From iptables perspective everything looks peachy, iptables -t nat -v -L shows ...
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1answer
2k views

Kali linux, channel all traffic through tor privoxy, time/timezone

Privoxy is for anonymising http/https traffic and tor for socks, so here is my question; can I channel all traffic (no matter what ftp,socks,http) to privoxy and then have it to channel it to tor? Is ...