Date: Fri, 8 Dec 2006 10:42:20 -0500 From: John Nielsen <lists@jnielsen.net> To: freebsd-questions@freebsd.org Cc: =?utf-8?q?=E5=BC=A0=E9=9F=A1=E6=AD=A6?= <weiwu@sdf.lonestar.org>, Vince Hoffman <jhary@unsane.co.uk> Subject: Re: access wikipedia (walk through the great firewall of China) Message-ID: <200612081042.20307.lists@jnielsen.net> In-Reply-To: <20061208121109.L9081@unsane.co.uk> References: <1165559159.8140.5.camel@joe.realss.com> <20061208121109.L9081@unsane.co.uk>
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On Friday 08 December 2006 07:12, Vince Hoffman wrote: > On Fri, 8 Dec 2006, =E5=BC=A0=E9~_=A1=E6=AD=A6 wrote: > > Hello. My office use this method to access wikipedia behind the great > > firewall of China: > > > > 1) we have a server in europ, let's call it server; > > 2) I run this command on my desktop: > > $ ssh -L 80:en.wikipedia.org:80 server; > > 3) everybody in the office edit /etc/hosts, add this line: > > [my_ip_addr] en.wikipedia.org > > > > So my computer become a 'proxy'. > > > > The trouble is I have to keep the ssh running there. The 'proxy' will > > not automatically set up next time I reboot my computer. > > > > Is it possible to install some software to run as a daemon and do this > > proxy? > > > > I think of stunnel, but I have too few knowledge to know if stunnel can > > do this. > > maybe autossh ? > http://www.harding.motd.ca/autossh/ > Its in ports > Port: autossh-1.4a > Path: /usr/ports/security/autossh > Info: Automatically restart SSH sessions and tunnels Autossh might do this better/more elegantly, but a quick and dirty solution= =20 would be something like this: 1) Set up certificates so that "ssh server" from your machine will=20 automatically log in to the server without prompting for a password. 2) Write a script to see if ssh is running and run it if it's not, e.g. #!/bin/sh netstat -na | grep LISTEN | grep 80 || \ /usr/bin/ssh -fnN -L 80:en.wikipedia.org:80 server 3) Add an entry to your crontab to run the script every X minutes. JN
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