44
votes
Prevent a specific app from accessing the Internet
What you're looking for is called an application firewall. One free/open source program that does this job is called LuLu -- https://objective-see.com/products/lulu.html -- with code on github here.
...
- 612
25
votes
Accepted
How do I get these Internet/Wi-Fi details to give to tech support and is it safe?
Yes, those details are safe to provide. They are measurements of the quality of your wireless signal, and they contain no personal information.
You can view these and other details from the Wi-Fi ...
- 64.9k
16
votes
Prevent a specific app from accessing the Internet
You can use a 3rd party app called Little Snitch to block Internet access for individual apps. Little Snitch comes with a limited 30 days free trial and costs € 45 for single user license thereafter.
...
- 52.9k
15
votes
Accepted
Internet speed getting slower over time on MBP
In my case this was caused by the Juniper/Pulse Secure VPN client's kernel extension, which was active even when not connected to the VPN. Unloading the kernel extension restored speed without a ...
- 459
12
votes
MacBook Pro Certificate - no value specified - Business Category : Private Organization
It’s perfectly normal, and there’s no need to do anything (except click on OK to close the window) or worry about it. Safari is just showing you the encryption details for the apple.com website — you ...
- 10.6k
11
votes
How to simulate slow internet connections on the mac
Mac OS X 10.10+ users need to use dnctl and pfctl but documented usage examples aren't easy to find.
# Configure `pfctl` to use `customRule`.
(cat /etc/pf.conf && echo "dummynet-anchor \"...
- 373
9
votes
Safari does not load any site but there is Internet connection
I solved by making sure the network settings not picking any proxy options under Network > Advanced > Proxies.
- 91
8
votes
How to auto connect to VPN upon login/boot?
Another way to go about this, is by creating a Configuration Profile (using Apple Configurator). Using this tool, recreate your VPN configuration and save the file. After you've created the file, open ...
- 1,247
7
votes
Prevent a specific app from accessing the Internet
You can try Hands Off. It is free. Works almost like Snitch.
https://www.oneperiodic.com/products/handsoff/
- 474
7
votes
Apple Pencil and iPad but no Wi-Fi
Yes, because the first, second and third generation Apple Pencils all use BlueTooth to connect to the iPad, and not Wi-Fi.
- 2,064
5
votes
How to simulate slow internet connections on the mac
I found this terminal command helpful in my case
Installation:
Open mac terminal and type this command
sudo npm install @sitespeed.io/throttle -g
Usage:
Open terminal and type the required command
...
- 51
5
votes
Apple doing anonymous data exchange in Mac?
I see this question is a year old, but I was just researching the same thing and thought I'd share my answer. I have used Little Snitch for years, but only began seeing the connection alerts referred ...
- 85
5
votes
Certificates not updating
After searching for hours and trying several different "fixes" which didn't work, Trevor Da Silva's solution here worked.
The fix essentially consists of deleting the problematic site's certificate, ...
- 474
5
votes
Prevent a specific app from accessing the Internet
If it is just OneNote you want to block from using Internet you can do that in OneNote app.
You can work offline on OneNote app by turning off the
automatic sync settings.
Click the Show ...
- 48.5k
5
votes
Wi-Fi really slow on Mac until I reboot
In case it helps anyone: I was running into a similar problem with a 2017 MacBook Pro but found a different solution... download speeds on other devices (iPhones, newer MBP) were around 500-750 Mbps ...
- 81
5
votes
How can an iPad in airplane mode detect iOS update?
By default Airplane mode disables all wireless frequencies on your device so that you can comply with airline regulations. This means that any radio frequencies relating to cellular, Wi-Fi and ...
- 64.9k
5
votes
Accepted
Does Little Little Snitch 4 block connections during login?
From Little Snitch itself…
Login Connections
While no user is logged in or a login is in progress, Little Snitch
cannot display Connection Alerts. It therefore creates suggestions for
all connection ...
- 118k
5
votes
Accepted
Multiple default routes on MacOS
macOS chooses which of those default routes to use based on the service order. You can set the order by opening System Preferences, select Network and then click the gear icon below the interface list ...
- 79.6k
5
votes
Accepted
Internet connection issues on a new 2023 MacBook Pro
I believe the issue is related to similar issues being reported about Mac mini M2 Wi-Fi issues in the Apple Community discussion forums.
It seems there might be an issue related to 5Ghz connections ...
- 5,790
4
votes
Accepted
Routing traffic back and forth through a Mac mini server with 2 network interfaces
It should be possible to create a bridge with en0 and en2 and enable net.inet.ip.forwarding to get rid of all routing problems. The bridge acts more or less as another switch between en0 and en2.
...
- 67k
4
votes
Accepted
Why does my mac lose internet when I connect my iPhone?
Goto Settings -> Networks and check that your connected iPhone is not first on the list.
- 3,461
4
votes
Accepted
How to encrypt outgoing connections from a local device?
You can get a VPN to automatically encrypt all your traffic, see The best VPNs for Mac OS in 2017 or other recommendation lists for options. It depends on the VPN provider though whether they allow ...
- 104k
4
votes
Accepted
Mac refuses to share internet connection over WiFi
I think you may be going about this all wrong.
Macs that are running OS X Lion (10.6) or later have a built-in feature called "Internet Sharing" inside of your system preferences.
Click on the ...
- 4,170
4
votes
Macbook Pro Can't Open Site Beside Google, Youtube, Facebook
I know this question is a bit old and hopefully the OP has already solved there issue but for those who are finding themselves with the same issue I'll leave what I found others doing and what worked ...
- 141
4
votes
My MacBook Pro keeps disconnecting from a working wifi network. Genius can't figure it out. Any ideas?
Troubleshooting often involves a process of elimination and can require a lot of patience.
Unfortunately, when it comes to Wi-Fi connection issues there are actually a lot of variables at play, so ...
- 64.9k
4
votes
Accepted
Internet connection issues after update to MacOS 12.5.1
After some more hours of investigating I think I've found the issue myself: In my case it seemed to be the "Cisco AnyConnect Socket Filter" and/or "Cisco Secure Client" App that ...
- 183
4
votes
Accepted
How can I see what IP address my iPhone, iPod touch, or iPad has?
The IP address is shown in Settings -> WiFi -> Info icon at end of (Name of network):
- 104k
4
votes
Accepted
Internet connection drops every 10 seconds on Macbook Pro (M1 Pro)
Special thanks to @Allan in the question comments for the boot-into-Recovery-mode tip which helped me diagnose this issue.
It turns out it's Cisco's AMP for Endpoints MaLwARE ProtECTioN service, which ...
- 113
3
votes
How to block an app's access to a specific website using the hosts file?
The hosts file is used by the system and can't be used to restrict access for specific apps.
See I'm trying to block game "X" from accessing the internet including updating for ...
grg♦
- 206k
3
votes
How do I fix Double NAT caused by sharing wifi internet on my local wifi network?
you need to put the base station into "Bridge Mode" so that it does not think it is on a separate network and merely participates in your building's WiFI.
Open up the Airport utility, select the ...
- 23.1k
Only top scored, non community-wiki answers of a minimum length are eligible