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Operating Systems Linux Ubuntu How do you setup 2 nic cards for squid Ubuntu server? Post 302762955 by DGPickett on Tuesday 29th of January 2013 09:36:27 AM
Old 01-29-2013
#3 is easy on the firewall, as it is just a filtering router, but all hosts require real IP addresses. Some firewall software can do packet inspection for viruses, I hear. That would up the ante for firewall CPU and RAM usage. For 100 users, all are probaly OK. You need to consider how many are on the net, how many are doing web with lots of little GETs, especially if they do not use HTTP/1.1 persistent connections. With proxy, that has higher overhead. And how many are doing high bandwidth, heavy data transfer -- web backup or movie download, for instance. Web proxy gives you a lot of monitoring and control options.

Last edited by DGPickett; 01-29-2013 at 10:42 AM..
 

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squid(8)						      System Manager's Manual							  squid(8)

NAME
squid - proxy caching server SYNOPSIS
squid [ -dhsvzCDFNRVYX ] [ -f config-file ] [ -[ au ] port ] [ -k signal ] DESCRIPTION
squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, squid handles all requests in a single, non-blocking, I/O-driven process. squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements nega- tive caching of failed requests. squid supports SSL, extensive access controls, and full request logging. By using the lightweight Internet Cache Protocol, squid caches can be arranged in a hierarchy or mesh for additional bandwidth savings. squid consists of a main server program squid, a Domain Name System lookup program dnsserver, some optional programs for rewriting requests and performing authentication, and some management and client tools. When squid starts up, it spawns a configurable number of dnsserver processes, each of which can perform a single, blocking Domain Name System (DNS) lookup. This reduces the amount of time the cache waits for DNS lookups. squid is derived from the ARPA-funded Harvest Project http://harvest.cs.colorado.edu/ This manual page only lists the command line arguments. For details on how to configure squid see the file /etc/squid/squid.conf, the FAQ included with the distribution and the documentation at the squid home page http://www.squid-cache.org OPTIONS
-a port Specify HTTP port number (default: 3128). -d level Write debugging to stderr also. -f file Use the given config-file instead of /etc/squid/squid.conf -h Print help message. -k reconfigure | rotate | shutdown | interrupt | kill | debug | check | parse Parse configuration file, then send signal to running copy (except -k parse) and exit. -s Enable logging to syslog. -u port Specify ICP port number (default: 3130), disable with 0. -v Print version. -z Create swap directories -C Do not catch fatal signals. -D Disable initial DNS tests. -F Don't serve any requests until store is rebuilt. -N No daemon mode. -R Do not set REUSEADDR on port. -V Virtual host httpd-accelerator. -X Force full debugging. -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload. FILES
/etc/squid/squid.conf The main configuration file. You must initially make changes to this file for squid to work. For example, the default configura- tion does not allow access from any browser. squid version 2.0 squid(8)
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