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 configure HAproxy to redirect multiple domain

i need configure HAproxy to redirect multiple domain with SSL, i need redirect in this way: www.foo.com redirect to ip_other_webserver:81 www.bar.com redirect to ip_other_webserver:82 www.zoo.com ...
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415 views

iptables: route packets to example.com via public proxy

I want to access certain websites via a public proxy and I can't seem to get it right using iptables. Let's say I want to access example.com having ip address 1.2.3.4 via a public proxy at ...
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118 views

How do I correctly configure Danted?

I have a debian droplet on digital ocean that I'm trying to get danted to work on. I know I have the right username and password and I want to set up a socks5 proxy with auth. Maxathon gives me a 130 ...
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302 views

Gentoo Dns and proxy configuration

I was trying to install gentoo on my laptop but i'm unable to get internet to work on it: In my network, i can surf only through a specified proxy server so i configured proxy server using " export ...
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581 views

Can't install debian because installer doesn't parse IP correctly?

I am trying to install debian on Virtual box using debian-7.8.0-amd64-netinst.iso When I insert my proxy server http://192.168.2.2:3128, it says the installer failed to access the mirror. However on ...
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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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223 views

Redirecting all non-local traffic from specific ip to external proxy

I currently have a squid proxy running on an external server (outside the LAN, with a public IP). I would like to route all non-local traffic from a specific device through it. That is, any requests ...
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546 views

httpd doesn't serve relative url from tomcat, why not?

In a CentOS 7 server, I am trying to set up httpd to act as a reverse proxy for tomcat. I have httpd running perfectly in the sense that I type in http/mydomain.com and it serves up static content ...
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382 views

Curl 7.27: [ANY]_PROXY set; curl does not resolve the hostname via proxy

I'm using curl with a Socks proxy. The proxy is configured via ANY_PROXY="socks5://NNN.NNN.NNN.NNN.PPPP" I observed that curl resolves the hostname locally, not via the proxy. When requesting a URL ...
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239 views

route gateway proxy traffic through different interface with identical upstream gateways

My question is similar to the below with a small caveat not answered by any of these threads: Output traffic on different interfaces based on destination port ...
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10k 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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145 views

Issue due to scope of environment variables

I had an Internet connection problem which turned out to be related to setting up the appropriate proxy environment variables. After adding lines like export ...
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833 views

PGP keyserver and proxy firewall issues

I am not sure this is a Linux question directly ... I use Arch Linux which uses package signing. This requires me to download a set of pgp keys with the pacman-key program. This works off the ...
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3k views

Redirect ALL packets from eth1 & eth2 through a SOCKS proxy

Is there a way to redirect all traffic, UDP and TCP, coming to and from eth1 and eth2 through a SOCKS proxy (Tor) which then passes it through eth0? eth0: Internet in - leads to the main router, then ...
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1answer
487 views

How to handle repetitive download of some specific large files that come from the internet

We are going to offer an App which will allow our customers to download some sort of audio guide for the castle I work for. I would really like to not have every user who downloads the App (through ...
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87 views

Transparent proxy to other IP of thousand ports

I was bought a service that only allow a IP, the IP that i say, only one, but I need use this from more IP's. I think that I can install in this computer a system to do a transparent proxy for ...
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2k views

How does a transparent SOCKS proxy know which destination IP to use?

There are two SOCKS proxies that I know about that support transparent proxying for any outgoing TCP connection: Tor and redsocks. Unlike HTTP proxies, these SOCKS proxies can transparently proxy any ...
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128 views

SSH SOCKS5 proxy, is my traffic being kept safe?

So I've been running everything on my system through my SSH SOCKS5 proxy. All the network commands I type in the terminal, I use proxy chains, and I have my system set to use my SOCKS5 proxy globally ...
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1answer
493 views

Tunnel incoming rtorrent connections to rtorrent

I'm running rtorrent on a seedbox, but this seedbox has significant bandwidth restrictions. I have another server (I'll call it the proxy) with no bandwidth restrictions which I'd like to use as a ...
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1answer
21k views

Setting up Proxy Settings on Debian

During installation of Debian I was asked for a Standard Proxy String in the form of http://user:password@host:port/, which I entered. apt-get ran and retrieved files during update, and now Debian is ...
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3answers
6k 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 ...
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1answer
2k views

How do I deal with a certificate based transparent proxy in Arch Linux?

I have setup an Arch Linux VM at work, and my company uses a transparent (cut-through) proxy with a self-signed certificate and requires authentication. Whenever I try to install any packages through ...
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1answer
3k views

SOCKS5 is there encryption between client and proxy server?

I've read the wikipedia article on socks and cannot find information about encryption between client and proxy-server. There is only information about authentication. Is socks5 connection a ...
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Exclude a loopback interface or address from processes listening on the “any” address

I'm trying to create a setup where I can connect to some service running on a host only reachable through a SOCKS proxy by the host's actual name and the port the service actually uses (so that ...
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How to SFTP through proxy if there is no netcat? [duplicate]

sftp -v -oProxyCommand="nc -v PROXY_IP_HERE PROXY_PORT_HERE %h %p" user@remote_sftp_server.com 22 How can I do this if I don't have netcat installed? I don't have permission to install it, even in ...
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461 views

Avoid trapping by ssh ProxyCommand

I have the following lines in my .ssh/config: Host localhost ProxyCommand none Host n0* ProxyCommand none Host * ProxyCommand corkscrew proxy.m.com 80 myserv 443 ~/.ssh/auth i.e. for localhost and ...
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254 views

LAMP Hardening, Transparent Proxy with iptables

I'm running a LAMP server with FTP(S) and several users. The users have only access to uploading PHP files and other web content. Some are running Drupal and Wordpress, but also a few home made stuff. ...
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695 views

installing synaptic package manager from outside the repos

I have been facing some problems in installing software with ubuntu software center, due to the fact that I have not been able to run no proxy for the whole system, I have tried all methods prescribed ...
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472 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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2answers
4k views

Proxy problem in Mint 16

I recently installed Mint 16 alongside windows 8. I use the Internet through a proxy server in my campus.So after setting the proxy in the Network setting, I noticed that the Software center and the ...
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1answer
320 views

How can I tease Sonicwall ?

In my college, I can't use the web, because they use Sonicwall network firewalls How can I tease it? For I use all websites in my college? Please see the result when I access a website blocked ...
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189 views

Port Routing/DNS for individual program

Background Flickr has closed its http api leaving an https only api. My favourite uploader (the official Flickr Uploadr version 2.5 running under wine) is no longer maintained, so this change broke ...
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Transparent Proxy

I am setting up attempting to set up a transparent proxy on CentOS using Squid. So far I have managed to filter the content and get it working perfectly. The only issue I am having is getting a form ...
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Error: iptables: No chain/target/match by that name

I am trying to configure proxy server on RHEL Server 6.5 using Squid and iptables. Below is the command I executed and the error message it displayed: vzlptest01 root [root] > iptables -A INPUT -i ...
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746 views

Possible to add proxy after TOR exit node?

Can I configure the TOR Browser which comes with Whonix to use a proxy, so that it becomes an extra hop after the TOR exit node? Connecting as follows: Browser(workstation) > TOR(gateway) > exit ...
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2k views

Allowing mobile devices via proxy on pfsense [squid + AD auth + WPAD]

Our pfsense serves the internet via Squid proxy + AD authentication while filtering HTTP/HTTPS access using Squidguard with WPAD enabled. So that users do not need to enter proxy manually as the WPAD ...
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79 views

Visualization tools for REST-based services

Let's say there is a cluster/set of processes that communicate via REST/HTTP (that could describe a whole lot of products these days). What's a good and simple way to view the communication among them ...
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1answer
134 views

How do I run a sock proxy via ssh on a non-standard port?

I am running into a bit of trouble accessing a web application running on port 9293 on a remote server only accessible via ssh on port 5634. I've configured FoxyProxy to route all traffic meeting the ...
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1answer
114 views

CentOS Traffic Filter

I am trying to use Squid to filter the traffic flowing through the network. I am also trying to make this system transparent. My network setup is like so: Router -> CentOS Machine -> The rest ...
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How to flush local DNS cache in CentOS

(I am aware that googling this question gives me tons of stuff, but literally none worked) I'm looking for a way to flush the local DNS cache on a Centos 6 system, it is not running any DNS server or ...
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1answer
264 views

Routing packets between networks with iptables

I'm trying to create a proxy of sorts using just iptables. The linux computer (my proxy) has two ports: p2p1 is connected to the Internet. em1 is connected to a local network. There are two ...
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309 views

Running a Transparent Proxy for LAN and Webserver for WAN

I am running a LAMP stack on an Arch Linux server in my home, and my router firewall port 80 is open to the world. Recently, I've decided to set up a dansguardian transparent proxy to do some web ...
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454 views

What is the simplest method to redirect traffic using either a proxy or iptables?

I need to redirect all incoming traffic on port 7777 to a specific destination_ip:port. I have about 40 Litecoin (scrypt) mining rigs that I have to manually reconfigure each time I'd like to switch ...
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1answer
4k views

Proxy server with authentication not working at command line

I'm running Debian 6 in a VM on a network that requires Windows authentication to a proxy server before it can run any http/https/ftp connection. I've tried: export ...
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18 views

Reverse proxy for OVZ containers

Is it possible to use a reverse proxy to channel all network traffic from one domain to a single container using the same IP for all the domains? The reverse proxy would have to read the domain and ...
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1answer
235 views

unexpected squid behaviour (cache for openSUSE updates)

With no previous experience I have just set up a squid proxy. Its only purpose is to prevent that all the Linux systems (openSUSE) download their updates from the Internet. A proxy can easily be ...
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157 views

troubleshooting bip proxy server configuration: FATAL: mkdir($HOME/.bip/logs) No such file or directory

I am trying to set up bip on a proxy server (ie AWS EC2 instance - a virtual private server) and when I try running it with the command: 'sudo /usr/bin/bip -f .bip/bip.conf` from my /home/user ...
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317 views

Error “ssh_exchange_identification” with Corkscrew

I'm trying to reach my ssh server (i'm behind a corporate proxy) so I tried to use Corkscrew. My ssh server is listening on port 443, I put sshd: ALL in my /etc/hosts.allow and there's nothing into my ...
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4answers
2k 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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2k views

How to configure Squid for Microsoft Outlook?

I have configured a Squid proxy server on RedHat Enterprise Linux 5.4. All my Windows clients have been configured to use the proxy at 192.168.5.100, port 3128 when accessing the Internet. However, ...