jchris + proxy   18

How To Forward Ports through a Linux Gateway with Iptables | DigitalOcean
Port forwarding is the process of forwarding requests for a specific port to another host, network, or port. As this process modifies the destination of the packet in-flight, it is considered a type of NAT operation. -==- In this guide, we'll demonstrate how to use iptables to forward ports to hosts behind a firewall by using NAT techniques. This is useful if you've configured a private network, but still want to allow certain traffic inside through a designated gateway machine. We will be using two Ubuntu 14.04 hosts to demonstrate this.
forwarding  networking  proxy  tracking  iptables 
6 weeks ago by jchris
How to escape geoblocking by content providers with Squid | skelleton.net
Ideally you would want all of your normal surfing to go out through your normal internet connection and all the region specific stuff through a VPN or some other proxy. -==- And you can actually build something to do this with Squid. Squid is an Open Source proxy server.
proxy  network  squid  vpn 
november 2017 by jchris
Tricks to do client certificate authentications behind a reverse proxy
The problem we are tackling in this article is about X509 client certificate authentications. By definition and for security, a HTTPS request clear content cannot be spied. This is why when putting a reverse proxy behind the client and the internal web application, the HTTPS stream will be broken and we will loose all the client certificate data. -==- Here is some tips to forward without many efforts the client certificate data to the web application:
apache  certificate  proxy  ssl  sysadmin 
september 2017 by jchris
Turn any Linux computer into SOCKS5 proxy in one command - good coders code, great coders reuse
This article will be interesting for those who didn't know it already -- you can turn any Linux computer into a SOCKS5 (and SOCKS4) proxy in just one command:
linux  network  proxy  socks  ssh 
april 2017 by jchris
Burp Suite
Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting security vulnerabilities. -=- Burp gives you full control, letting you combine advanced manual techniques with state-of-the-art automation, to make your work faster, more effective, and more fun.
iphone  proxy  testing  web  security 
september 2012 by jchris
Nach Hause telefonieren? | heise mobil
Welche HTTP-Verbindungen öffnet ein Smartphone? Mangels Protokoll bleibt vor allem beim Gebrauch von nachinstallierter Software ein mulmiges Gefühl. Die Buchführung lässt sich mit nur wenig Mühe extern auf dem Mac nachrüsten.
privacy  proxy  osx  iphone  howto  artikel  heise 
february 2012 by jchris
Netzzensur per SSL-Tunnel aushebeln | heise Netze
Wer Zensurmaßnahmen per Tunnel zu externen Proxy-Servern umgehen will, kann dafür Protokolle nutzen, die immer zur Verfügung stehen – etwa HTTPS. Ein speziell konfigurierter Apache-Webserver dient als externer Proxy.
proxy  https  ssh  artikel  heise  knowhow 
february 2012 by jchris
Need a generic iptables tcp proxy?
Do you ever find yourself in need of a generic TCP proxy? Do you wish you could do it with netfilter? Do you want to proxy a connection to a given port on a given IP address to a completely different port on a totally different host or network?
debian  iptables  networking  proxy  sysadmin  tcp 
june 2008 by jchris
Privoxy - Home Page
Privoxy is a web proxy with advanced filtering capabilities for protecting privacy, filtering web page content, managing cookies, controlling access, and removing ads, banners, pop-ups and other obnoxious Internet junk. Privoxy has a very flexible configu
admin  cookies  datenschutz  privacy  proxy  software  sysadmin  tools  web  @goodie 
december 2007 by jchris
OWASP WebScarab Project
WebScarab is a framework for analysing applications that communicate using the HTTP and HTTPS protocols. It is written in Java, and is thus portable to many platforms. WebScarab has several modes of operation, implemented by a number of plugins. In its mo
admin  http  https  java  proxy  security  tools  web 
november 2007 by jchris
smtpprox --- simple efficient SMTP proxy in perl
smtpprox is a trivial transparent SMTP proxy, an SMTP server and client combination. It uses its own SMTP server and client modules which are designed to expose every step of the protocol dialogue to the calling program, which provides for the greatest fl
email  filter  mta  perl  postfix  qpsmtpd  proxy  smtp  spam 
august 2007 by jchris
Julius Plenz - Tunnel everything through SSH
In this Tutorial I'll cover how you can tunnel any TCP traffic through an encrypted SSH connection or a SOCKS server, even if a certain program doesn't support proxying of connections natively.

The only requirement for SSH tunneling to work is a shell
ssh  socks  howto  proxy 
may 2006 by jchris
Debian Administration :: Squid site restrictions
In the office I needed a way to block some websites permanently and others outside of break times. After looking at some inline solutions I realised that I could easily do what was needed with squid alone. Here's how
debian  linux  squid  proxy  security  howto 
may 2006 by jchris
Sicher und anonym im Internet mit Proxys
Ohne weitere Vorkehrungen werden Anfragen von Webbrowsern direkt an einen Webserver gerichtet und Inhalte werden direkt von den Webbrowsern interpretiert und angezeigt, wenn die Webserver die angefragten Inhalte an den anfragenden Rechner zurückgesendet
browser  firefox  privacy  proxy  privoxy  security  socks  tutorial  tor 
march 2006 by jchris
DeleGate Home Page (www.delegate.org)
DeleGate is a multi-purpose application level gateway, or a proxy server which runs on multiple platforms (Unix, Windows, MacOS X and OS/2). DeleGate mediates communication of various protocols (HTTP, FTP, NNTP, SMTP, POP, IMAP, LDAP, Telnet, SOCKS, DNS,
linux  networking  proxy  ssl 
february 2006 by jchris

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