MacOS Sequoia installed. Internet will randomly drop connection

Zackdul wrote:

My "solution" is to use a WiFi instead of a cabled connection and live with less reliability and speed.

Maybe you should upgrade your WiFi. Modern WiFi connections are faster than any wired connections except for 10 GB, which are extremely rare.

I have network connection problem after Sequoia installed on my M1 iMac. It keeps disconnecting from the network, not only internet, but also local network drivers.

I connect the iMac to the network with both Ethernet and WiFi. Under system setting, both Ethernet and WiFi connections always have green dot, connected. But my iMac just keeps disconnecting from network drives and Internet.

Macs Pain wrote:

Anyone using Handbrake? Transcoding videos completely breaks the internet connection now on that Mac, doesn’t matter if WiFi or wired…

Sounds weird. Handbrake works OK for me with Mac mini 2018 Intel. Just tested it with iPhone 4K 10-bit HDR to 4K 10-bit SDR re-encode while browsing Internet.

Also otherwise Sequoia has worked OK.

For me it's even worse: the whole network stack randomly stops working at all. Independent of WiFi or wired. My last third party app is Defender, but it's not a workaround to disable the AV solution. Already a nightmare that the FW is disabled

Tsinoy Newbie wrote:

Basically removed little snitch adguard and vpn configurations first. Will let it sort through everything and settle before adding them back one by one

Little Snitch is not the problem. Seems to be mostly related to the Apple firewall. Suggest turning it off if you have Little Snitch.

What kind of buffoonery is involved in not testing their releases with one of the most common 3rd party apps (Little Snitch) I have no idea.

idjwert wrote:

What kind of buffoonery is involved in not testing their releases with one of the most common 3rd party apps (Little Snitch) I have no idea.

It is the responsibility of 3rd party developers to test their software. That is why Apple gives them access to beta versions for months before release.

Have similar problem on my Mac M1 MAX after upgrading to Sequoia.

Randomly my Mac stops loading arbitrary websites. Like GitHub or Facebook or any others. It happens without any logical circumstances. Sometimes it’s automatically fixed within 5-10 mins. Sometimes I have to switch off/on wi-fi on laptop.

Definitely not related to the internet provider. Other devises works like a charm.

Based on my own investigation and debugging seems to be a problem

with firewall on Sequoia OS

Extremely annoying, can’t normally work. Please help

Apple doesn't test its releases with any other software. Neither does Microsoft. Nor any Unix or Linux development shop - there's not an OS builder in the world that does that.

What they do is provide early developer access to their Beta versions, public API documentation, and Beta feedback paths. If they are committed, they may even maintain a solid semantic versioning regime for their releases (although Apple only partly does this - especially since they have separated their rapid security updates from their feature release cycle...Microsoft is even worse with its weird numbering system...it's mainly a Linux thing).

For that matter, even in the open-source world, upstream developers don't test their changes on downstream programs that depend on their code...that is, again, what semantic versioning is for - to alert the downstream developers that they need to do work.

Thanks, this worked!!!

I had trouble with older LittleSnitch on my system after upgrade to Sequoia 15.0.1.

My wifi was locked out, no network access (I don't have ethernet cable handy either to connect to the iMac.)

And I could not airdrop a new DMG file from other machines.

First, I made sure to stop backup in progress.

After going to Network -> Settings -> Filters, I saw that LittleSnitch was disabled.

Enabled, everything network came back, transferred DMG file and got updated, problem gone.

ddoonnii wrote: "...wtf apple, pls help us out🙏"

Apple isn't here; use these:

Feedback - macOS - Apple

Contact Apple for support and service - Apple Support

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In Disk Utility>View, select Show all Devices, highlight the top left entry.

Run Disk First Aid on all items in the left panel, from top down.

Are you running any VPN, Anti-Virus, or Cleaning apps?

We need to see what all is running, a report from this will not display any personal info...

Using EtreCheck - Apple Community

EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info. Give it Full Disk Access.

https://www.etrecheck.com/

Give etrecheck Full Disk Access before running.

Thanks for Old Toad’s etrecheck instructions…

Slow iMac 2017 - Apple Community

Seems like a Teams update and a reboot "may" have fixed it. I can hold a call on Teams now, but it does detect a loss of network randomly...when there is no loss of network.

network: fixed; mac firewall: off.

Little Snitch is now functioning both content filter and dns proxy paired with stevenblack's rules.

ExpressVPN working

ProtonVPN not working

wish I could.... controlled by IT ADMIN =(

Please fix this issue!!! Company is running 30+ devices and all having internet disconnections, real nightmare here Apple!!!