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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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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1answer
419 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
160 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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1answer
650 views

Tunnel openwrt requests

I am pretty new to OpenWrt what I want to achieve is the following scenario: I have a socks5 proxy server running on a machine witch is at work. From my home I wish to configure my router who is ...
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14 views

Proxy for certain networks

Is it possible, on a system using NetworkManager, to configure a system-wide proxy if I am in a certain wifi-network, but not otherwise? It would also need to log in to the proxy with a username and ...
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26 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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256 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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93 views

Having some trouble authenticating via proxy in order to use apt-get successfully on a corporate network

Our server is on a corporate network, which requires corporate proxy authentication (e.g. enter corporate username and password). This is not an issue on the Windows machines on that network - when a ...
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2answers
771 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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28 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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19 views

How to write my logic in PHP for an nginx reverse-proxy? [migrated]

I want to know how can I implement a reverse-proxy using Nginx for protecting (Token Authentication) some servers. One of the obstacles I'm struggling with is how can I establish a relationship ...
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1answer
1k views

Get transmission web interface working with web server

I have my working on default port and I want to be able to use the web interface with an URL like http://my.domain/torrents. I tried adding a location and a proxy conf to Nginx but it fail to work ...
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74 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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33 views

Run SSH SOCKS5 proxy on system startup

I want to setup a linux server (Ubuntu Server 14.04 in this case) to be used as a SOCKS5 proxy by software on another client. Now this is pretty easy by running ssh -f -N -D 0.0.0.0:1080 localhost as ...
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6 views

How can I verify that Polipo is caching? [migrated]

I'm making requests to several thousand unique URLs on each run of a JVM program, and I want to cache the requests. I've got Polipo up and running, and I've configured my Java app to proxy HTTP ...
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339 views

How to set up a “child” proxy that doesn't need a “parent” proxy

I run Linux on a laptop that is sometimes on a corporate network which uses an NTLM proxy server, and thus I have cntlmd running on the laptop as a child proxy to connect to the parent (corporate) ...
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21 views

Making proxies on Debian

Hi guys I am trying to create SOCKS Proxies on my VPS and currently am not getting too far so any help is well appreciated. Here's a few details on my VPS: It is running Debian linux, has 512mb ram ...
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35 views

Creating multiple proxies on a single VPS

I am trying to create SOCKS Proxies on my Debian Linux VPS. I was just wondering what is the best way to go about doing this? I have tried things like Dante and it doesn't support multiple Proxies.
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59 views

How to setup a proxy server like WatchGuard HTTP Proxy server?

I have an application which works mostly but since I went to test it in Enterprise networks it simply never works, because there all local computers have to use a proxy server. So to do all those ...
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1answer
91 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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39 views

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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10 views

Can not analyze output from Squid and varnish

I'm using one Squid server between tow cache server. I get from headers following information: X-Cache MISS, HIT from cache-zz X-Cache-Age 515 X-Cache-Control public, max-age=3600 X-Cache-Lookup HIT ...
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3answers
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 ...
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433 views

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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1answer
48 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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124 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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29 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
21 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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2answers
1k views

Using curl to access basic auth protected website via proxy (polipo)

I am trying to download a file protected via basic auth: curl "http://User:Pass@example.com/blub/bla.bin" This is working fine. As soon as I tell curl to use my locally installed polipo it fails: ...
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1answer
49 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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3answers
30k views

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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26 views

Proxy from OSX laptop to debian server for web browsing

I want to setup a proxy from my OSX laptop (10.9) to a debian server via SSH, to browse the net via that server. The debian server has an openssh-server running, and I can login. I tried several ...
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1answer
42 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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1answer
165 views

Why is yum trying to go through a proxy and other strange behaviors?

I occasionally setup an SSH tunnel proxy to make it seem like I'm using the internet from another location. I set it up with: ssh -D 8080 <remote host> and the use the gnome shell Network ...
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96 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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4answers
81 views

Unset http_proxy enviroment variable

Updated 11/03: After doing some test with your suggestions, I only can be sure about one thing: there is something related to the graphical environment, because if I login through ssh or using ...
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2answers
123 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
158 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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3answers
3k views

Use socks proxy for commands in terminal

I connect to a remote ssh server by running this command: ssh -D 12345 bob@myserver.com This creates a socks proxy that I can use with Firefox to bypass censorship in my country. However, I can't ...
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12 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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80 views

How does google still know my real IP address with Squid?

I'm using Squid proxy with the configs setup so that it would not be detected as proxy. It work with http://www.whatismyip.com/, but when searching for what is my ip on google. Google still show my ...
2
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1answer
44 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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199 views

How to setup a HTTPS Private Proxy Server on Debian 6 vps?

I have no a Debian 6.0 64 bits vps with 29 IP's, this is my first time using this system and I need a little help. First of all, what software do I need, and how can I setup a private proxy server on ...
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1answer
60 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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2answers
73 views

How to ssh to a server using another server with key from the second server?

How to configure ssh to imitate this: ssh server1-user-name@server1.net -i /path/to/.ssh/server-1-ssh-key -t ssh server2-user-name@10.0.0.10 -i /home/server1-user-name/.ssh/server2-ssh-key When I ...
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1answer
55 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
723 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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1answer
162 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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378 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, ...
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123 views

Apache configuration with proxy and location

I want to map these domains to these ports. How can I do it? http://test1.example.com/phpmyadmin/ example.com:80/phpmyadmin/ http://test1.example.com/app1/ example.com:8080/app1/ ...