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 to resolve issue of system proxy?

I live in an institute where two proxies work. Lets say they are proxy A and proxy B. A works well for almost all websites, however my institution has blocked many of the essential sites in B using a ...
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1answer
258 views

How to allow access to web only through proxy?

I have a machine with Linux Slackware 13.37. Is it possible to configure iptables, so the users will be able to access web only through squid? The direct access through the browser will be blocked. ...
4
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1answer
6k views

how do I use rtorrent with a socks5 proxy?

How do I get rtorrent to use a socks5 proxy? I've tried to get socks5 to work with rtorrent, but it doesn't seem to have any impact. Setup the socks5 proxy on port 9800: ssh -ND 9800 user@otherhost ...
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3answers
3k views

Are there disadvantages in SSH tunneling?

I recently "bought" a VPS that I want to use as a Proxy to be able to use some sites and stuff that I can't reach from germany. Since I was yet too lazy to set up Squid and OpenVPN (which I ...
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0answers
2k views

The right way for dynamic ssh port-forwarding

Want my Firefox could use localhost:9099 proxy forwarded from vps server, why it doesn't it work this way? I always get bind: Address already in use $ ssh -vfND 127.0.0.2:9099 vpn OpenSSH_5.9p1, ...
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2answers
692 views

Bypass sshd AllowTCPFowarding=no by installing own forwarder?

In the man pages for sshd_config, for the AllowTCPForwarding option, it states: AllowTcpForwarding Specifies whether TCP forwarding is permitted. The default is “yes”. Note that disabling ...
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1answer
338 views

Gnome 3 on OpenSUSE 12.2 Proxy Porblem

Recently I've switched from Fedora 17 to OpenSUSE 12.2. I used to add my proxy from Network Settings>Network Proxy>Manual Method>Socks Hosts. But it doesn't work on openSUSE. I get the following ...
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2answers
1k views

Setup ssh tunnelling to browse using the IP of a computer inside a private network

I think my question is much easier to understand looking at the draw below. The idea is that for some reasons (such like accessing the intranet of my company, or getting access to some web pages that ...
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0answers
358 views

Running fetchmail with Socks proxy

I checked the manual of fetchmail, all it mentioned was SOCKS_CONF, but what is the format of that config file? And how do I know if my fetchmail is configured with --with-socks, fetchmail -V doesn't ...
2
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1answer
6k views

How to setup proxy authentication in the Debian shell?

I think that once I used export http_proxy=http://user:password@address:port/ successfully. But now when I use wget it shows Error parsing proxy URL http://user:passwordaddress:port/: Bad port ...
4
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3answers
5k views

SOCKS proxy without ssh command

Currently I create a ssh tunnel using: ssh user@server -D 1234 to use SOCKS proxy. How do I configure server so I can directly connect to socks server? I want to set firefox socks host to server ip ...
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4answers
5k views

ssh + http proxy (corkscrew) not working

I'm trying to get ssh working with an http proxy via corkscrew. Here is the error: [echox@archbox:~] % ssh somehost.tld zsh: No such file or directory ssh_exchange_identification: Connection closed ...
2
votes
1answer
719 views

How to check if apt proxy configuration is correct?

I have to use a proxy server which requires authentication. So, I need to update the apt.conf file to include my proxy settings. All fine. What I need is to check that the configuration is correct so ...
4
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2answers
5k views

Yast is unable to access software repositories even though URLs are accessible in browser and system date is correct

I am using Yast on OpenSuse 12.1. When trying to install packages from the software repositories, I get an error that the repo cannot be accessed because the network is unreachable: Download ...
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1answer
2k views

cURL socks5 proxy: “Empty reply from server”

I'm accessing an http resource using Chrome, FoxyProxy without any problems. The proxy is defined as socks5 in the standard port 1080. I've tried accessing the same resource using cURL (actual URLs ...
1
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1answer
3k views

Multiple ACLs in Squid Proxy

Here is my Squid configuration file. I would like to give specific users access to specific web content, But through this configuration file, if I give permission for a specific user to access the ...
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0answers
73 views

Proxy software that will decide where to send requests for linux

Does anyone know of some proxy software that is easy to configure thus.... User makes a request Request is sent to clear internet. If website can not be found. i.e. is Blocked by ISP (China) then ...
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1answer
204 views

Accessing ssh proxy from another host

I'm used to setup a ssh proxy in the localhost like this: ssh -fND 9999 server I have been using it for years for daily browsing. Now I want to use the same proxy in a Windows guest in the same ...
4
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1answer
3k views

How can I setup a SOCKS4 or 5 proxy on CentOS 5.8?

I live in Iran and due to its restrict censorship, We all have extreme difficulties accessing normal sites and services. So I thought this would be a great idea to setup a proxy server on my VPS, so ...
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1answer
500 views

Removing configured PROXY in fedora?

Some time back I configured proxy for fedora to install packages through yum. I forgot how exactly I did it. Now I don't need proxy any more.How can I reconfigure my proxy settings?
2
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0answers
882 views

SOCKS proxy configuration on KDE 4.4.5 / Debian 6.0.5

I've been trying to use a SOCKS Proxy which I have been using with success from an Ubuntu 11.4 box with GNOME on my Debian box with KDE.The socks server is bound to the local port 1080 through the ...
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2answers
2k views

Can ssh_config's ProxyCommand run a local command before connecting to a remote machine?

Before I can to connect to a particular remote machine I have to run a certain local command. So instead of ssh me@remote.machine I have to do local_command ssh me@remote.machine I would like to ...
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1answer
471 views

How to log all domains accessed?

Maybe I could use tcpdump, filter out all non-HTTP packets to reduce disk consumption, and then parse the output looking for domain names. Maybe there is a better solution. Do you know one?
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3answers
2k views

IPTables and transparent proxies

I have set up a local, transparent TCP proxy on localhost. I want to redirect ALL TCP traffic to this proxy, so it can handle it and nothing "leaks out," circumventing the proxy. I need to use ...
2
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1answer
2k views

User authentication over Dante proxy server

Below is my Dante SOCKS Proxy server configuration that I connect to without any authentication: internal: eth0 port = 53200 internal: 127.0.0.1 port = 53200 external: eth0 clientmethod: none ...
3
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1answer
4k views

Where to supply authentication details to the Network Proxy (Central Proxy) on Fedora?

My system is running Fedora 16 and I live in a campus where we use LAN to connect to the Internet. And for this, we use an http proxy with authentication (username & password). I tried putting the ...
5
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2answers
2k views

Is there any command-line, generic HTTP proxy (like Squid)?

I can easily use Netcat (or, Socat) to capture traffic between my browser and a specific host:port. But for Linux, does there exist any command-line counterpart of a Squid-like HTTP proxy that I can ...
2
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2answers
2k views

TOR Transparent Proxy - How does to the TCP redirecting work

I used an iptables ruleset based on the sample ruleset from https://trac.torproject.org/projects/tor/wiki/doc/TransparentProxy, Section Linux, Local Redirection Through Tor, to set up Tor as a ...
4
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2answers
7k views

How to make netcat use an existing HTTP proxy

I can access a web page just fine by directly hitting my web server as follows: $ echo "GET /sample" | nc web-server 80 This is contents of /sample... $ Now, I would like netcat to go via a Squid ...
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1answer
136 views

need to my server's ip changes when it needs to connect port 'x' on ip 'y'

simple question: "need a way to proxify a port" I have a linux server and have a proxy server on another machine. My linux server needs connect to port 'x' on ip 'y' Is it possible to create ...
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0answers
193 views

Connection problems creating a socks server with antinat

How can I run a socks server using antinat. I read the tutorials, but I can't get it working. My firewall is off, but I get the error: proxy server is refusing the connection What could I be ...
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2answers
18k views

How to telnet via proxy authentication?

I am behind a proxy server in my college. It uses a simple username and password authentication. And i connect to the proxy server to port 3128. now i want to telnet simply to say any website on the ...
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2answers
2k views

How to direct bash network request through a socket5 proxy?

I know how to use http_proxy to redirect http request, but how to redirect the data with a socket5 proxy such as a SSH tunnel?
1
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2answers
1k views

Fast and Small C++ https proxy

I'm looking for a small, fast, and reliable https proxy that I can extend to do the following: Look for https handshake requests. Run a regular expression against the host name being requested. If ...
2
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1answer
362 views

Linux Router Load Benchmark

What tools and methods can be used to stress test a Linux-based router/proxy? On the router Squid, Apache Modproxy and Privoxy are installed. The purpose of the stress test is to determine which proxy ...
3
votes
1answer
569 views

Add wildcard entries to the KDE proxy settings?

I have Googled this but cannot find it. I am currently using Kubuntu 11.10 64-bit. I am trying to set up an exceptions list for my proxy using the KDE control panel but when I try use common wildcard ...
1
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2answers
691 views

squid (reverse proxy) configuration

I would like to configure squid in such way, so that only specific (public) ip (reverse proxy), could connect to the server, but I don't know how... can someone tell me how to do this?
2
votes
1answer
644 views

Multiple VPN connetions, routing based on country

I want to set up a couple of VPN connections to two different countries, A and B, on my Ubuntu Server. Then I would like to set up rules based on GeoIP to determine which VPN connection should be used ...
5
votes
3answers
1k views

Redirect traffic through vpn on an as needed basis

My problem is really simple yet it sounds complex, but I have zero to none experience with this. I have set up a box using gentoo which has its own semi-static WAN-IP and acts as router for my LAN. I ...
2
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1answer
2k views

Where are Proxy Settings Stored?

I'm coding a small application that connects to the Internet and retrieves information from my server using bsd socket. I looked at where the proxy settings are stored under Linux but i couldn't the ...
2
votes
2answers
571 views

Transparent local proxy to many proxies

In Firefox is add-on FoxyProxy, which makes possible use many proxy with filtering URLs. I need it for any browser, but in many of them it is only possible to set one proxy server. I need a ...
4
votes
1answer
1k views

Tunnel traffic through another machine over ssh

I want to be able to route a portion of my traffic through another machine over SSH. For example, is it possible to browse the web through the ssh tunnel and also browse the web through your LAN ...
2
votes
1answer
278 views

How to set up the server to use IPv6 network

I have a server which is able to connect the network through IPv6 tunneling. I want to use it as a proxy server. I have to things to understand: How to set up the DNS? Is there any open DNS that ...
3
votes
4answers
634 views

How to examine POST request over HTTPS?

I'm trying to automate access to a website via scraping, and I'm trying to determine what parameters are being sent to the server in a POST request. I've currently got Wireshark open, but is there a ...
1
vote
1answer
350 views

wget not able to log into ftp

I am trying to use wget for downloading files from a ftp repository. The FTP repository has a login and password. I have to go through a proxy server which does not have a login and password. When I ...
2
votes
3answers
456 views

Cannot access network on the command line in Ubuntu 10.04

I am having an issue which I am unable to diagnose. I am unable to access outside the local network from the command line. Strangely, ftp works from the command line. But ping, links, traceroute, wget ...
1
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1answer
125 views

Reroute one URL

I am looking to reroute one particular URL to another, for example : http://website.com/page1.html to http://website.com/page2.html on a third party server only on my machine. But I still want it to ...
2
votes
1answer
920 views

sbopkg is not working with proxy

Sbopkg used to work on my computer untill the network admin started to make a compulsory for the user to use proxy before connecting to the Internet. So, when I tried to sync to slackbuilds, I'm ...
6
votes
2answers
4k views

proxifier-like software on Unix?

Having some pleasant time with Proxifier, I just wonder if that kind of software is feasible under Unix/Linux? Is it easy to start a project like that, or are there existing projects available? Are ...