the ports itself is independent of being safe or not, what matters is its encapsulation.
if a user blindly logs-in to a remote site with plain connection without any ssl or https, then its his/her fault.
what version of pfSense?
which squid did you install? [squid or squid3]
did you configure squid as transparent proxy server? [if you are not using transparent proxy, then you have to make minor changes on your browser to point to that proxy ip/port]
the best way to see if it is cache-ing is to view its logs [nose bleed na basin]
or go to some sites like sourceforge, download something in the size of 10mb to 50mb to 100mb.
the only time you'll see if cache works is that the 2nd time you download the file, it will instantaneously save to your desktop, lets say for me for example, I have a 5mbps connection, max download rate is around 500kbps, first download/instance is the regular download speed, after I try again to download or go to some other computer to download it, the download speed will be somewhere like 9mbps or somewhere that speed [depending on your network speed and your pfSense hardware]




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, adto sa pfSense forums patabang ^_^
