Reply To: HTTP Proxy Transparent Proxy with Web Antivirus setup

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#49572

Marcelo
Member

Have you ever changed the default policy of your OUTPUT chain to something different from ACCEPT and/or have restrictive rules there?

This is an important thing to check as, without the proxy, your requests go though the ZS box, thus will be filtered by the FORWARD chain firewall rules. In the other hand, when you have the transparent proxy on, the requests will be received by the proxy at Zeroshell and then will be re-issued from there (as if the requests are originated on the ZS box). The bottom line is that these new re-issued requests will be subject to the rules in the OUTPUT chain, not the FORWARD chain.

Hope it helps