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Full Discussion: Configure OpenDNS
Operating Systems Linux Red Hat Configure OpenDNS Post 302488781 by DGPickett on Tuesday 18th of January 2011 11:26:12 AM
Old 01-18-2011
Either that, or opendns inside as well, so you have the filtering features you feel you need. Having extra DNS servers should either:
  • serve a security need (names and addresses for internal consumption only), or
  • deal with network and server load reduction and client performance. For instance, at each physical location, it is nice to provide satellite services, like caching DNS to enhance client speed and reduce intranet WAN traffic. To direct local clients to the local DNS, one may need a local DHCP. A local caching web proxy is another common good candidates for a local satellite. Of course, if your WAN is the Internet, you need a local firewall/VPN/router. A linux box can do all these things very cheaply, even in a MAC or WinDOS milieu. Ditto for SAMBA local server disk.

Last edited by DGPickett; 01-18-2011 at 12:31 PM..
 

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POLIPO(1)						      General Commands Manual							 POLIPO(1)

NAME
polipo - a caching web proxy SYNOPSIS
polipo [ -h | -v | -x ] [ -c config ] [ var=val ]... DESCRIPTION
Polipo is a caching HTTP proxy. It listens to requests for web pages from your browser and forwards them to web servers, and forwards the servers' replies to your browser. In the process, it optimises and cleans up the network traffic. By default, Polipo listens on TCP port 8123. Please configure your web browser to use the proxy on localhost port 8123. OPTIONS
-h Display help and exit. -v Display the list of configuration variables and exit. -x Purge the on-disk cache and exit. -c Select an alternate configuration file. var=val Change the value of a configuration variable. FILES
/etc/polipo/config The default location of Polipo's configuration file. /etc/polipo/forbidden The default location of the list of forbidden URLs. /var/cache/polipo/ The default location of the on-disk cache. /usr/share/polipo/www/ The default root of the local web space. SIGNALS
SIGUSR1 write out all in-memory objects to disk and reload the forbidden URLs file. SIGUSR2 write out all in-memory objects to disk, discard all in-memory objects, and reload the forbidden URLs file. SIGTERM, SIGINT, SIGHUP write out all in-memory objects to disk and quit. SECURITY
The internal web server will follow symbolic links that point outside the local document tree. You should run Polipo in a chroot jail if that is a problem. There is no reason to run Polipo as root. FULL DOCUMENTATION
The full manual for Polipo is maintained in a texinfo file, and is normally available through a web server internal to Polipo. Please make sure that Polipo is running, and point your favourite web browser at http://localhost:8123/ Alternatively, you may type $ info polipo at a shell prompt, or C-h i m polipo RET in Emacs. AUTHOR
Polipo was written by Juliusz Chroboczek. POLIPO(1)
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