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 redirect internet traffic from local to proxy server with ip tables (DEBIAN 6)

So i made topology as shown in figure. Router have 3 interfaces like this: eth0 to internet side (with ip 192.168.1.10/24 gateway 192.168.1.254/24). eth1 to server-PC side (with ip ...
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1answer
194 views

Is my server being used as a proxy or malicious requests?

I have an Ubuntu, Apache, Passenger, and Rails 4 project on AWS EC2. I am a beginner full stack developer and am unfamiliar with the security and server side of my project. This is my first time ...
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1answer
205 views

Local system doesn't forward to intended port defined in OpenShift proxy app

I've set up a proxy server via OpenShift based on this tutorial and used a few days by forwarding my local system's ports to remote app's ports: $ rhc port-forward AppName The result in the proper ...
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2answers
4k views

Pages don't get blocked with Squid over HTTPS

I have set up Squid to block pages on my own system (i.e not on a network), and I'm trying to get SSL to work with page blocking. To this end, I've set up ssl-bump and installed the certificate to my ...
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0answers
326 views

HAproxy: redirect from IP to hostname

I have a proxmox host with multiple VM and multiple webserver, i have a VM with haproxy that redirect external request to internal VM. I need redirect IP request to hostname, if in my browser i type ...
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2answers
994 views

Squid with mac address filter acl

I am setting up Squid proxy with mac address acl. I have recompiled squid 3.5 rpm with --enable-arp, acl. But after configuring Squid.conf with mac address acl its unable to block access for unwanted ...
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1answer
181 views

Transparent proxying of TCP connections on port (mostly, without root access)

I have the Client machine living somewhere on the Internet, and it needs to access a custom port of Target machine (or, initially any port on any reachable machine, but, eventually, particular port, ...
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0answers
565 views

cURL does not recognize certificate

At our company they enforce a web proxy which breaks SSL connections and replaces the certificate by its own fake certificate. (To be precise it uses a proxy cert which is signed by the company cert.) ...
2
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1answer
398 views

Problem with pkg behind a chunking proxy

I have a freshly installed FreeBSD 10.1 at work in a VM. As it is behind a corporate proxy, I had to set HTTP_PROXY in environment and it began to run fine. But no way to get pkg to work correctly. I ...
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0answers
126 views

ufw firewall - how to only “allow” when I am going through a proxy

I am using a proxy to navigate on internet, and I am trying to setup a firewall that will only let me connect to internet via this proxy: if I forgot to turn on the proxy, that I should not be able ...
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1answer
270 views

Linux : Very slow internet connections through proxy

I have changed to Linux recently. Here I am experiencing very slow Internet connections for applications like apt-get and Firefox browsing through proxy (download speed in Firefox is pretty normal). ...
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1answer
405 views

What does the %h and %p do in this command?

$ ssh -o User=fred -o ProxyCommand="nc -X 5 -x localhost:9150 %h %p" server.example.org It's from http://en.wikibooks.org/wiki/OpenSSH/Cookbook/Proxies_and_Jump_Hosts I can't find any comments about ...
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1answer
395 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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0answers
111 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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1answer
516 views

how to use ser2net control port

man ser2net says that by running ser2net with a -p flag I can execute a number of commands. If I run ser2net -p 12345 and, then, lsof -i :12345, I can see the service on that port. How would I, for ...
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1answer
293 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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1answer
555 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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1answer
301 views

How to setup reverse FTP in RHEL?

Researched: http://www.thecave.info/export-proxy-username-password-linux/ http://stackoverflow.com/questions/5334110/text-based-ftp-client-settings-behind-a-proxy ...
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1answer
251 views

SOCKS5 Proxy for Chromium

I am trying to use my SOCKS5 proxy with username and password authentication in Google Chromium. I have tried almost every possible proxy switcher addon available in the chrome extensions store. All ...
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0answers
217 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 ...
3
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1answer
536 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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1answer
358 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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0answers
233 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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1answer
140 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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0answers
6k views

CentOS 7 httpd failed to make connection with backend

In a CentOS 7 server with apache httpd 2.4 set up as an ssl reverse proxy for tomcat, I am getting an error indicating that httpd is not able to connect with tomcat. How can I resolve this error so ...
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1answer
170 views

Set user-wide network proxy settings on Ubuntu (without restart)

Is there any reliable way to set proxy settings user-wide for all traffic on Ubuntu? As far I'm using {http|https|ftp}_proxy variables in /home/$USER/.bashrc which is nice but there's some issues: ...
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1answer
256 views

Route VPN traffic through different proxies

I want to setup VPN server and route (based on my routing algorithm) all traffic through different proxy servers. Let's say I have one host, with many users, connected to my VPN. I want to route all ...
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1answer
468 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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0answers
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 ...
2
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0answers
138 views

bonding multiple proxy connection

I want to use multiple proxy servers at the same time to speed my downloads. Reverse proxy products such as haproxy and nginx can use multiple proxy servers, but only one proxy per session. ...
2
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1answer
52 views

System wide proxy with encypted ISA server request

I recently install Linux Mint Debian on my computer. It is working fine and I also have internet. But just firefox is able to get through the proxy. After some research I found out that the ISA ...
9
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1answer
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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1answer
4k views

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 ...
3
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1answer
7k views

RHEL 6.6: [Errno 14] PYCURL ERROR 22 - “The requested URL returned error: 403 Forbidden”

First of all, it's the first time I setup RHEL machines, I’m more used to Debian. We're installing many machine at the same time. We've upgraded from RHEL 6.3 to RHEL 6.6 and we're now trying to ...
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0answers
126 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
253 views

How to set proxy with a config file provided in freebsd

I'm currently trying to update and install packages and other things on a FreeBSD server, but I’m blocked by my proxy. I'm in an university, and there are a few proxies before to go on the internet. ...
2
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0answers
147 views

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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0answers
8 views

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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1answer
440 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 ...
8
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2answers
26k views

Set Ubuntu System Proxy Settings without Restart from commandline

I am using Ubuntu 14.04 . I want to change the http proxy settings from the command line. This should be equivalent to changing in the GUI(All Settings->Network->Network Proxy) and clicking the button ...
0
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1answer
679 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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1answer
315 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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1answer
1k 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 ...
4
votes
2answers
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 ...
3
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1answer
928 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 ...
2
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0answers
123 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 ...
3
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1answer
721 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 ...
4
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2answers
188 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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0answers
4k 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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0answers
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 ...