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task #8233: Submission of Transparent HTTP Proxy Relay

Submitter:  Alexander Gattin <xrgtn>
Submitted:  Wed 04 Jun 2008 08:48:07 PM UTC
   
 
Should Start On:  Wed 04 Jun 2008 12:00:00 AM UTC Should be Finished on:  Sat 14 Jun 2008 12:00:00 AM UTC
Category:  Project Approval Priority:  * 5 - Normal
Status:  Done Privacy:  Public
Assigned to:  stevenr Open/Closed:  Closed
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Sat 02 Aug 2008 03:23:10 PM UTC, comment #1: 

Hi,

I have approved your project.  You will receive an automated e-mail containing detailed information about the approval. Sorry for the delay.

Regards.

Steven Robson <stevenr>
Wed 04 Jun 2008 08:48:07 PM UTC, original submission:  

A new project has been registered at Savannah
This project account will remain inactive until a site admin approves or discards the registration.


Registration Administration


While this item will be useful to track the registration process, approving or discarding the registration must be done using the specific Group Administration page, accessible only to site administrators, effectively logged as site administrators (superuser):



Registration Details


  • Name: Transparent HTTP Proxy Relay
  • System Name:  transproxy
  • Type: non-GNU software & documentation
  • License: GNU General Public License v2 or later





Description:

The transproxy is a lightweight transparent non-caching proxy relay daemon, written in python.

The daemon handles HTTP/HTTPS requests by converting them into proxy-aware form and forwarding (relaying) to another/upstream proxy with optional "Basic" authentication header inserted. Replies are sent back mostly unmodified.

Transparent redirection of e.g. all outgoing HTTP traffic is possible on GNU/Linux platform with iptables:
iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port 8080
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080

Using iptables+transproxy has an effect of transparently "proxifying" all application traffic, i.e. without need to reconfigure browsers, jabber clients, without modifying http_proxy environment variables and so on.

This is most useful when you move between office/home zones and need to switch between office and home proxies (or none proxy at all) accordingly.

There are alternative (caching) transparent proxy implementations like squid/oops/delegate, but they are too much overhead for this purpose.


Other Software Required:

python, Python License, http://python.org/
linux/iptables, GPLv2, http://netfilter.org/


Tarball URL:

http://savannah.gnu.org/submissions_uploads/transproxy2.tar.gz


Alexander Gattin <xrgtn>

 

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  • -email is unavailable- added by stevenr (Posted a comment)
  • -email is unavailable- added by xrgtn (Submitted the item)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-08-02 stevenr StatusNone Done
        Assigned toNone stevenr
        Open/ClosedOpen Closed

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