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saljam
A simple web proxy written in Go. Used primarily to mess with my neighbours.
proxy - A simple transperent web proxy written in go.
This was written after my neighbours have taken it a bit too far using my wireless and I wanted to have a bit of fun. It was inspired by upside-down-ternet[1]. :-)
src/proxy is the main proxy library. This repository also includes multiple simple proxies written using it:
upsidedown flips every image requested through it.
logger simply logs every request.
rickroll takes a path to an flv file, and replaces every flv
request with its contents. i.e. it turns every youtube video
into a rickroll.
they all listen on port 3128.
Look at src/logger or src/upsidedown for examples on how to write a custom proxy.
To forward all web traffic to the machine running the proxy (in my case on 192.168.1.11:3128), I use the following iptables commands on the router:
iptables -t nat -A PREROUTING -s '!' 192.168.1.11 -p tcp --dport 80 -j DNAT --to 192.168.1.11:3128 iptables -t nat -A POSTROUTING -s 192.168.1.0/255.255.255.0 -d 192.168.1.11 -j MASQUERADE iptables -A FORWARD -s 192.168.1.0/255.255.255.0 -d 192.168.1.11 -p tcp --dport 3128 -j ACCEPT
Exercises for the reader: inject js into all html pages.
[1] http://www.ex-parrot.com/pete/upside-down-ternet.html
saljam