Questions tagged [network]

Questions about configuring, troubleshooting or using connections that one device uses to talk to another.

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8 views

Can you stop Finder from calculating folder sizes on network drives?

I like having Finder default to 'Calculate all sizes' so that in the Finder windows it says how large a subdirectory is. However, I've noticed that when I mount a network drive which is very large, ...
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HomePod mini connectivity problems: “Request timeout for icmp_seq” in irregular intervals

When I stream the audio of a movie to my HomePod mini the audio cuts out. When I ping the device from my Maxed-out 15-inch MacBook Pro (2016) I get 3 timeouts in irregular intervals: 64 bytes from 192....
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What are these network connections? [closed]

Can someone PLEASE explain this to me? iPhone $ ifconfig lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 index 1 options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP> inet 127....
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Unable to ssh over internet

I'm trying to ssh into a Linux server I run and I'm having a weird issue where I can ssh over the internal network but not over the internet. Over the internet, the ssh connection hangs at "...
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macOS cannot resolve LAN computer name, only via IP, but Windows can

I notice the titled issue since I changed modem/router, it seems macOS depends on router's nameserver(192.168.1.1) to resolve LAN computer name. At macOS: System Preference/Network/DNS, the DNS ...
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Should I be worried about connection attempts to “Private Network”?

I am a newbie to Little Snitch, and am unfamiliar with what I am seeing. One thing that troubles me is an arc on the map display from the windward islands that says "Private Network." It is ...
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No IPv4 access on my Macbook Pro, only IPv6 works

MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) / macOS Big Sur 11.4 I'm experiencing a weird WiFi issue at our remote office where I'm only able to connect to IPv6 addresses and not IPv4 ...
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1answer
28 views

“The operation couldn't be completed”/“Operation canceled” error message when saving to a Samba share via Files app

I'm using the Files app on my iPhone and iPad to save photos to an SMB network share provided by Samba on an Ubuntu 20.04 server. Since around iOS/iPadOS 14.5, trying to save a new file to the share ...
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rtcreportingd connection to aaplimg.com

I don't use "home sharing" and I'm not really sure what kind of data is going across the wire here, but I thought I should drop this here for more discussion in case anyone can explain ...
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MacBook Pro 2013 doesn't connect to my home router through Wi-Fi

I recently moved house and have had a new router installed in the house which is working fine for all my devices until recently my MacBook Pro 2013 started to have trouble connecting. Ultimately my ...
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What can I do to prevent the connection to “sleep”

My friend has an iPhone and an iPad at home. If the devices stay on for a while, let's say 15 minutes, they become unreachable through messages or FaceTime. After reviewing all the settings on her ...
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iphone join network without internet

i’m trying to join a network that’s intentionally not connected to the internet but on my iphone the wifi settings show the wifi symbol with an exclamation mark and ‘No Internet Connection’ in orange. ...
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Can I slow down my iPhones network connection while testing an app?

I'm trying to test an iPhone app that needs to be usable in low-bandwidth / poor signal areas. I know I can slow the network on my Mac and the simulator in Xcode, but not how to slow iOS and iPadOS ...
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macOS 10.14/10.15 3rd party applications do not start

3rd party applications do not start. The computer does not have an internet connection by default, but only to the local network. When the connection to the Internet is established, all the ...
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View local IP for connected device on hotspot

is there a way in which I can view the local IP address for a device connected to the hotspot that I make with my iPhone? I want to do this because I want to view the desktop of a Raspberry Pi that I ...
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No internet access when Internet Sharing through Mac mini, but MacBook Pro works fine

I have a MacBook Pro and a Mac mini. I can share my internet connection fine from my MacBook Pro, but it doesn't seem to work as well when I'm trying to share the same connection from my Mac mini. My ...
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Apple “Remote Management” not working through ethernet

In order to control my Mac mini, I use Apple's "Remote Management" feature. I have Remote Management enabled on the Mac mini, which allows me to control it from my MacBook Pro via the Screen ...
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Mac OS find out what your IPV4 address is used for

I was looking up my some information with the command ifconfig To my confusion there I had two ipv4 addresses that both look correct. en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST&...
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App for iPhone or iPad to show active network connections in Safari

This may be a bit of an X-Y question, and I will explain the full reason I need this, but I am looking for a FREE iOS app (or otherwise method) of listing all the active connections made by the device....
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Migrating from an old OS X 10.6 Server

I need a little help with migrating from an old OS X 10.6 Server. It's a Mac Pro that currently runs the old Server Admin and Workgroup Manager software. We have over 1000 users with their data stored ...
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1answer
29 views

What password is sent when a router does not have a password set?

I promise this is not a hypothetical question. I am trying to use this GitHub repo - https://github.com/braineo/airport-bssid The latest OS X version does not allow specifying the BSSID so I am using ...
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Virtual hosts incorrectly mapping with Homebrew Apache

So, I'm trying to get a home dev server going using Homebrew's Apache mostly following this guide. I'm playing with three dev projects, a WordPress site, a Drupal site, and some vanilla JS tests. I ...
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How can I kill and/or restart all wifi processes?

My MacBook (Big Sur) has a problem about once a week when it stops being able to access the internet. Why do I think this is a problem with the Wifi processes? When I go up to the Wifi symbol in the ...
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What network interface for lsof device?

Calling sudo lsof -nP -i4TCP:<port> I get the following (IPs are replaced by 'x' for security reasons): COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME openvpn 7670 ...
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Beware: macOS Finder “Connect to Server” accepts FTPS URLs (FTP in a SSL/TLS tunnel) but actually connects via plain FTP!

Reproduction macOS 11 Big Sur Finder > Main Menu > Go > Connect to server… (⌘-K) Field allows ftps:// scheme. That is FTP in a SSL/TLS tunnel: Questions Is Finder actually using FTPS? If ...
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Forced to do WiFi authentication every time it wakes up from sleep on iPhone (but not on iPad/Mac)

When I connect on iPhone to the WiFi, that requires authentication (the type of WiFi network that shows me a dialog where I type in email (and sometimes password) and tap the 'consent' button) at cafe ...
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25 views

Another device on the network is using your computer's IP address [duplicate]

I'm using a Xiaomi wifi extender to extend my wifi's coverage (I'm using a 15" mid-2015 MacBook Pro). When I'm trying to connect to the extended network this message appeared Then I checked the ...
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iMac late 2012 only connects to the higher 5GHz channels

I am facing a weirdo now. Out of the blue, my late 2012 iMac (Catalina) started to detect only the higher (above 48) 5GHz channels. These are DFS so not stable, hence as long as my router is permitted ...
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M1 Macbook Air wi-fi not working - IP address problem

M1 Macbook Air that works fine with ethernet connection (through usb-c hub) but having issues with wi-fi. Laptop connects to our home wi-fi but gets self-assigned IP. Oddly, using manual IP doesn't ...
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proxy setting ignored?

I installed ProxyMan, and it changed the proxy setting for my laptop WiFi to 127.0.0.1:9090 But it did not appear to do anything with https requests So, I started sudo tcpdump -v -s 500 and went to a ...
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How to “log in” to wifi hotspot from Apple TV

Our home internet service is late being installed, but I discovered that there is a "hot spot" from my provider that I am able to log in to from my PC. This requires that I enter some ...
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196 views

How can I get the local IP address in macOS to use in a script?

I need to figure out the local IP address of Github runner, which uses macOS 11. I need this for my integration tests. I tried: LOCAL_IP=ifconfig | grep "inet " | grep -Fv 127.0.0.1 | awk '{...
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How to dynamically add anchors on startup for apple pfctl without editing system pf.conf

There are a few answers on using pfctl on os x, but none really give a nice clean way to make an anchor and have it loaded on startup, or to allow programs to hook in and dynamically update / replace ...
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SAMSUNG Modem In 2017 iMac

I have a 2017 iMac running Bug Sur 11.4. I have no USB network devices attached and am only connected via Wi-Fi. However, under System Preferences > Network, I see a Modem submenu, where I can ...
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Macbook M1 losing WiFi after short power outage

When I'm outside I usually work with my Macbook, which is at home, through AnyDesk. I have a situation that when there are very short power outages at home, I lose my connection because Macbook M1 ...
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Ethernet-usb isn't recognized by macbook, no ethernet option under Networks

I have a 16-inch Macbook Pro 2019 with Big Sur (11.4) and an Ethernet cable that I plug into an UTP-USB adapter (TP-Link UE300) which then goes into a dongle that brings it to USB-C. Not the prettiest ...
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1answer
59 views

How can I make my iPhone automatically connect to a VPN when connecting to a WiFi?

When connecting to public WiFi networks, I prefer to have more privacy and also want to be sure that really every network packet is encrypted1. You can achieve that by connecting to a VPN, for example....
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Is there any procedure on macOS systems to manually set a network interface to a self-assigned address?

I develop a network related application that interacts with network settings at system level. I experience a rare issue while using my app, my macOS system loses internet connectivity completely and I ...
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2answers
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Weird device showing in network tab of Finder

This is what I see: It is showing in the network section in Finder and I'm not sure what it means. Sometimes I see it but sometimes I don't. Should I be concerned? My model is 2017 Macbook Air and I ...
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How to automount an SMB share and keep it mounted and remount automatically if disconnected temporarily?

Been using a gem of an app called AutoMounter, but it seems to have perhaps been having some issues in Big Sur occasionally. How can one automatically mount SMB shares in macOS 11 (Big Sur) with just ...
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1answer
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M1 Panic: acc_cifl2c_cmd_ncwr

M1 MacBook Pro 13" 16GB constantly reboots with the same panic error: acc_cifl2c_cmd_ncwr I've spent some time figuring out who is causing this problem. It happens only if M1 MacBook Pro connects ...
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56 views

How to disconnect the VPN connection through terminal

Finally I managed to set up a vpn connection via sstp, with that command: sudo /usr/local/sbin/sstpc --log-stderr --cert-warn --user <USERNAME> --password <PASSWORD> <SERVER> ...
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Wifi automatically connects to the 2.4ghz network which is set to “auto join this network” even when I manually select 5ghz. - MBA M1

I regularly want to use the 2.4GHz network but every 3-4 hours, I need to work and use the 5GHz network to transfer data as fast as possible. I have tried various combinations - selecting the 'auto-...
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How do I publish docker container ports on my Mac host when using host networking mode

I'm using docker containers for my development on a Mac host. The containers are Linux systems. I currently have two seemingly contradictory development needs from this container: In order for my ...
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1answer
81 views

Is there a way to know why cloudd is connecting a site?

I see cloudd connecting to multiple Apple sites, which I know little about, but they are apple.com or icloud.com sites, which seems reasonable: metrics.icloud.com gateway.icloud.com us-east-1....
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23 views

MacBook Pro remote connection

I bought my MacBook Pro new in the packaging late 2019. how do I see if it is being remotely connected to? the reason im asking is I have some folders that are locked on here and in the activity ...
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Network Latency When AirDrop is Active on Another Device

I've been trying to find the root cause of this for days. It started off when I noticed stutters during a WebRTC video session, so I started an internal ping to my main router (note: I use Unifi with ...
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1answer
37 views

No Ethernet even in macOS Recovery mode

Catalina 10.5.7 on an iMac 27" 2020. From one day to another the Ethernet connection to the router has stopped. It went from a green to a red dot. Whatever I try the message stays always the same:...
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25 views

Issue with pfctl tags on Big Sur

I am running a local proxy server on a Mac machine. To set it up, I'm using the built in proxy, which has to be set globally. However, I'm interested to differentiate incoming traffic in the local ...
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NetBoot Server - How to store the netboot images on a shared disk?

I'm a long time user of apple's NetBoot system. Although this system is totally dead on new machines, I still use it from time to time when I'm working on old systems. My home server is a 2012 Mac ...

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