Niklaus wrote:
Hi,
 How do i disable users on a system to run their own http proxy. I
don't want to allow users who have login accounts on my system to
listen to any port . How do i do that.

Putting up a packet filter as some suggest may break other things.

Instead, you can take a look at MAC, Mandatory Access Controls. There is a module mac_portacl(4) that can control this.

You need to compile your kernel with options MAC and then add mac_portacl_load="YES" to loader.conf

But don't ask me how it works, haven't used it.

Cheers, Erik

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