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by christian
Thu Jul 19, 2018 8:41 pm
Forum: Little Snitch General
Topic: update to 4.1.1 = problems
Replies: 5
Views: 292

Re: update to 4.1.1 = problems

I know of one bug which caused this with only a hand full of rules, but that had been fixed in 4.1.1.

If anybody experiences such a hang, please make a spindump or at least a sample of the hanging process(es). We are happy to fix these issues if we can get enough information to track them down!
by christian
Thu Jul 19, 2018 8:34 pm
Forum: Little Snitch General
Topic: LS 4.1.2 - Unable to install on OSX El Capitan
Replies: 10
Views: 153

Re: LS 4.1.2 - Unable to install on OSX El Capitan

Little Snitch installer references /usr/bin/python by absolute path. If you deleted it, you'll run into troubles. It might work if you link the homebrew python there, but I'd rather recommend to restore Apple's original. There might be another copy on the recovery partition, you can get one from a f...
by christian
Thu Jul 19, 2018 7:31 pm
Forum: Little Snitch General
Topic: LS 4.1.2 - Unable to install on OSX El Capitan
Replies: 10
Views: 153

Re: LS 4.1.2 - Unable to install on OSX El Capitan

That should install an additional python, not replace the one from the system. On 10.13.6 I get the following checksum: $ shasum /usr/bin/python 07565e53061f5a9588ab362dc987e5d56b8b8127 /usr/bin/python Another possibility is that Apple's original python loads a library from homebrew's python. Don't ...
by christian
Thu Jul 19, 2018 5:45 pm
Forum: Little Snitch General
Topic: 4.0.3 has huge memory and CPU footprint in High Sierra
Replies: 51
Views: 3323

Re: 4.0.3 has huge memory and CPU footprint in High Sierra

Yes. Regarding the Network Monitor memory consumption issue: The "lost memory" should not affect your system, in theory, because the memory is never used and can be swapped out completely. I know that this is not 100% true in practice and the effort of administering swap space costs a bit ...
by christian
Wed Jul 18, 2018 10:28 am
Forum: Little Snitch General
Topic: 4.0.3 has huge memory and CPU footprint in High Sierra
Replies: 51
Views: 3323

Re: 4.0.3 has huge memory and CPU footprint in High Sierra

Network Monitor is independent of the filter. The network filter is installed in the kernel and filters all data packets sent or received according to your rules. Network Monitor, on the other hand, receives connection data and visualizes it. If you want to work without Network Monitor, turn it off ...
by christian
Tue Jul 17, 2018 4:12 pm
Forum: Little Snitch General
Topic: LS 4.1.2 - Unable to install on OSX El Capitan
Replies: 10
Views: 153

Re: LS 4.1.2 - Unable to install on OSX El Capitan

As far as I know, it's not the version but rather a compile time option which causes the problem. Users who have replaced python in /usr/bin/ (instead of installing a second python binary e.g. in /usr/local/bin) often experience problems with our installer.
by christian
Tue Jul 17, 2018 11:34 am
Forum: Little Snitch General
Topic: 4.0.3 has huge memory and CPU footprint in High Sierra
Replies: 51
Views: 3323

Re: 4.0.3 has huge memory and CPU footprint in High Sierra

I think we have identified the cause for the alert loops and will fix it in one of the upcoming nightly releases.

But the other issue, the hang in the graphics driver and the lost memory blocks -- no idea. Sorry. I'm just running out of ideas...
by christian
Tue Jul 17, 2018 11:22 am
Forum: Little Snitch General
Topic: update to 4.1.1 = problems
Replies: 5
Views: 292

Re: update to 4.1.1 = problems

Version 4.1 had a bug which caused LS to check code signatures of all apps after the upgrade from 3.x or 4.0 to 4.1. This should have been fixed in 4.1.1. If you still have the problem with the current version (4.1.2), please make a spindump while it's hanging and mail it to us in support. You can m...
by christian
Tue Jul 17, 2018 11:16 am
Forum: Little Snitch General
Topic: How to disable notification on denied incoming connection?
Replies: 5
Views: 1032

Re: How to disable notification on denied incoming connection?

Incoming UDP connections are denied, if no rule exists. Instead of suppressing the notification, just make a rule. If you make a deny rule, it's the same as just suppressing the notification. If you make an allow rule, automatic discovery of computers and other resources in the local network will wo...
by christian
Tue Jul 17, 2018 11:10 am
Forum: Little Snitch General
Topic: LS 4.1.2 - Unable to install on OSX El Capitan
Replies: 10
Views: 153

Re: LS 4.1.2 - Unable to install on OSX El Capitan

If you have not received a reply for weeks, your request must have been dropped in our system somehow... Please send another e-mail to the same ticket, that should bring it up again. Regarding the issue: I can think of two possible causes for this: (1) The installer has a dependency on Python. If yo...
by christian
Tue Jul 10, 2018 4:21 pm
Forum: Little Snitch General
Topic: Rule Groups: Great idea but not very useful right now. I have suggestions!
Replies: 6
Views: 520

Re: Rule Groups: Great idea but not very useful right now. I have suggestions!

We have improved the object archiving performance in 4.1.3 nightly and thus (experimentally) increased the maximum amount of rules in a subscription to 100k. If anybody wants to try this, please download 4.1.3 nightly. Rule set analysis in Little Snitch Configuration and Network Monitor is still slo...
by christian
Tue Jul 10, 2018 2:10 pm
Forum: Little Snitch General
Topic: LS 4.1 too much CPU in the background
Replies: 19
Views: 891

Re: LS 4.1 too much CPU in the background

We have identified the cause for this: A memory leak in the kernel extension. The kext had to check lots of leaked memory when looking for traffic statistics.

The issue is fixed in 4.1.2 and in the new 4.1.3 nightly build.
by christian
Tue Jul 10, 2018 1:59 pm
Forum: Little Snitch General
Topic: 4.0.3 has huge memory and CPU footprint in High Sierra
Replies: 51
Views: 3323

Re: 4.0.3 has huge memory and CPU footprint in High Sierra

Let me first respond to the alert loop: This happens if Little Snitch cannot determine the host name for the remote computer uniquely. If there are multiple names and applying rules to all these names does not yield the same result (allow or deny), Little Snitch shows an alert for the IP address. No...
by christian
Sun Jul 08, 2018 1:20 am
Forum: Little Snitch General
Topic: 4.0.3 has huge memory and CPU footprint in High Sierra
Replies: 51
Views: 3323

Re: 4.0.3 has huge memory and CPU footprint in High Sierra

Thanks for all the info! For the moment, I can't get any additional information out of this. What would be helpful is if you can find out which action causes a sudden increase of memory usage. Here's a shell script which checks memory usage every 10 seconds and brings a notification if it exceeds a ...
by christian
Thu Jul 05, 2018 3:14 pm
Forum: Little Snitch General
Topic: update to 4.1.1 = problems
Replies: 5
Views: 292

Re: update to 4.1.1 = problems

We have a change in 4.1 which does not work well with rule sets containing more than, say, 10.000 rules. We are working on this, but it's not so easy to fix because it's mostly a bug in the frameworks. If your old rule set contained "too many" rules, 4.1 will take *quite a while* until the...

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