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 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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2answers
1k 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
249 views

Tsocks with mail user agent mailx not working

I use a SOCKS proxy server to send mail using sendmail in Linux and mailx to send mails from the command line. To make use of the SOCKS server, I am using tsocks to send mails using mailx, for ...
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3answers
4k 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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1answer
1k 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 ...
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0answers
143 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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1answer
6k views

How to configure CentOS 6 as a Proxy Server

I have installed new server with CentOS 6. How do I configure it to become a Proxy Server?
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1answer
132 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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2answers
12k 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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4answers
608 views

Dynamically changing the proxy server for all outgoing traffic

I have three proxy servers in my college, all of them are connected to three different service providers. At different instant of time, different proxies give different speed (depending the number of ...
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2answers
848 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?
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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 ...
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votes
3answers
2k 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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1answer
2k 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 ...
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1answer
326 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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1answer
278 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
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1answer
449 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 ...
2
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1answer
509 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 ...
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3answers
9k views

Transparent proxy with squid 3.1 on RHEL 6

We have nearly 50 systems with windows XP and have Linux (RHEL6) for server. Also have squid 3.1 , Samba and Apache for local use. Under proxy, VPN and outlook express does not connected. I heard ...
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2answers
3k views

Fastest way to port scan. NMAP?

I am looking for a quick way to scan for commonly open ports on proxies. I am doing this through php and I have been using nmap and came up with this command: <?php system("nmap -PN -p ...
4
votes
3answers
890 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 ...
3
votes
1answer
214 views

Configure applications to ask for a user:pass behind a proxy

Here's the deal: I'm trying to set up a SQL server with Debian Linux, I managed to install Debian - but I can't get apt-get to work, since I'm behind a proxy. I already managed to setup Iceweasel to ...
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1answer
1k 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 ...
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3answers
1k 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 ...
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1answer
2k 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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2answers
447 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 ...
2
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1answer
580 views

yum proxy http errors

I've a VM running Centos 5.5 and I'm trying to get yum to update via a company proxy. I can browse the web within the VM using the proxy setting , but I cannot get yum to use the proxy. I'm getting ...
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1answer
4k 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 ...
2
votes
1answer
255 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
583 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 ...
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3answers
428 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 ...
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1answer
304 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 ...
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2answers
620 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?
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1answer
119 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
729 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 ...
4
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4answers
4k 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 ...
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votes
2answers
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How to run “sudo apt-get update” through proxy in commandline?

In my office I want to update and download through wget and here they are using a proxy. How can I get wget to use the proxy from the command-line?
4
votes
1answer
859 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 ...
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votes
2answers
3k 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 ...