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I have a firewall running squid as a transparent proxy/cache.
Essentially I ended all port 80 traffic to goto squid and be cached as necessary. We're a small computer store and install things like Windows updates countless times a day.
We had a setup like this before but it all died with a power supply failure.
Anyways. The box has 2 nics, DSL on Eth0, Local network on Eth1. DHCP, Squid and an rc.firewall file.
Without squid running everything works great.
Turn on squid and forward port 80 traffic to it in rc.firewall and I stop getting most, but not all images on websites.
Ebay.com will just be a page of broken images, but cnn.com works fairly well. Many .org sites also don't come up.
I've scanned threw the config file many many times and don't see anything that would be the cause. I am 90% certain it is specifically a config problem with squid, but need some help on what it might be.
The squid logs all look fine, so that hasn't been much help. There is also alot of stuff getting cached, but not sure if its getting retreived.