Problem with IPCop URLFilter...

May 10, 2010 1 Replies
Problem with IPCop URLFilter... open original image

I have just installed IPCop, along with the Advanced Proxy, and URLFilter.



I can't seem to get the Blacklist to work on the URLFilter.



If I put an IP address in as "banned", it blocks all access. If I then remove it, access returns.



So, I know the URLFilter add-on is in fact working, but I tried a simple test. I added "

formatting link
" to the blocked URL list on the Blacklist.



This does *not* block the access from computers behind the IPCop box.



I am a total noob on both Linux, and on IPCop, so any and all help would be greatly appreciated!



Thanks


Problem solved! What I discovered though was this:

The Scheduler in Advanced Proxy, by default, allows access from Monday to Sunday from 0:00 to 24:00. But that feature is no where near granular enough to be useful.

So I turned my attentiuon to the Time Based Access control feature of the URLFilter. The blacklist would *not* work unless I put in a time based access rule to "Block" "custom- blocked" items. However, as soon as I did, I could not get "proxy" access through IPCop.

After some consideration, what I did was add a Monday to Sunday, 0:00 to 24:00 rule to allow "proxy" for the entire sub-net.

As soon as *that* rule took effect, *then* the URLFilter worked as expected!

I just presumed that overall access was allowed by default - which it appeared to be! (decades of using Microsoft products... ;). But it seems that as soon as a restrictive rule is added to the "time restrictions", there is no such presumption of *any* access. Once such access is explicitly defined, then all apprears to work as expected.

Once you understand this, then it is actually quite powerful because there is no unknown or hard-coded defaults - you really do have *full* control and can set things up *your* way (as opposed to "bill's" way!).

I don't recall reading that in the documentation. Perhaps I missed it.

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