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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LEARN ABOUT DEBIAN
polipo
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)