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Questions tagged [network]

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

2
votes
1answer
14 views

Is it possible to combine two iPhones with tethering to increase bandwidth or fault tolerance?

I'm using a MacBook as a "server" and want to keep it always connected to the internet, over cellular. I have two mobile phones (one GSM, one CDMA) and would like to connect to each of them to ...
2
votes
1answer
29 views

macOS: Disable promiscuous Wi-Fi scan and/or display of unwanted list of Wi-Fi networks?

I am annoyed by a display of all nearby Wi-Fi networks around me, when I know I am looking to connect to one among the couple of known networks. Is there a setting to disable detection of new/unknown ...
2
votes
1answer
24 views

Cannot change any Bluetooth settings

On my MacBook Pro 2018 I can't change any Bluetooth related settings anymore as long as no external dongle is connected. Examples: If I turn it off, next start it is turned on again. If I remove a ...
1
vote
0answers
10 views

Internet dies on MBP 15 2017 the moment I start Windows on Parallels

This is the weirdest problem that I have ever faced. I have a MacBook Pro 15 2017 (MPTR2LL/A ?, running on MacOS 10.14.1), and I recently installed Windows using Bootcamp (dual boot) and then ...
2
votes
1answer
26 views

macbook air: unable to assign static IP on USB ethernet adapter

I want to connect to a USRP X310 device via ethernet. The apple USB ethernet adapter is plugged in and is shown by ifconfig: en3: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu ...
1
vote
0answers
20 views

Debugging automounting (nfs)

Since setting up a linux nas and thinking that smb is always kinda annoying and slow, I went to set up nfs. On my Linux clients, this works fine. However on macOS (High Sierra) I edited all the config ...
1
vote
1answer
33 views

Several applications trying to connect to IP

I have several applications on my computer which are attempting to connect to a small hand-full of IPs. This seems suspect to me and I'm not sure how to proceed. Currently I am using Little Snitch to ...
1
vote
1answer
18 views

Limit - not disable - Remember joined Wi-Fi locations

I'm building an entirely new corporate infrastructure - ATM I have ~200 macs expanding to over 600 in the next year. I need to configure the Wi-Fi with two locations: Corporate Network Off - Site I'...
0
votes
1answer
58 views

Communicate between two local Mac machines when one is on VPN?

I'd like to directly connect (be able to use ping/ssh or other common commands) two local Mac machines as one sometimes is on VPN. The two Mac normally are connected via a wireless router when none of ...
0
votes
0answers
18 views

Connection error: MacBook Air <--> (PPPOE) <--> USB-Ethernet adapter <--> Ethernet cable <--> Cable Modem

On my MacBook Air, I am trying to create a PPPOE connection by connecting an ethernet cable from Mac to Cable Modem via USB-Ethernet adapter. But it is not working. Any insights or help is appreciated....
2
votes
1answer
27 views

How to remove shared devices from my iMac?

My Sidebar is showing that there is a shared device on my network. I am not on any network whatsoever, this is my home computer used by me only. It says "not connected" but makes me nervous. Is this ...
0
votes
0answers
16 views

How to encrypt external network drive timemachine backup

I am following this: https://www.makeuseof.com/tag/turn-nas-windows-share-time-machine-backup/ Which basically says that you have to create a sparse disk image and put that on your external network ...
1
vote
0answers
28 views

AirPlay 2 from guest network

I have two networks at home - my regular one and a guest network. My router is a Synology RT2600ac. I also have a Sonos One at home, connected to my main network. Everything is working peachy from ...
5
votes
2answers
111 views

Force DNS resolution to happen outside VPN

I'm running Mojave (10.14) and I have a Cisco AnyConnect VPN over which traffic for selected routes (determined by the VPN profile, out of my control) is sent. Traffic routing works fine, the issue ...
0
votes
1answer
28 views

Terminal name changed to 'Name@dhcp-xx-x' [duplicate]

I have no idea what dhcp means, so I don't know why instead of just showing 'Name ~' as the beginning of each terminal line, it started showing 'Name@dhcp-xx-x' as the format of my username. Is this a ...
3
votes
0answers
18 views

Network Trash Can on macOS 10.13 or higher?

We currently have a Mac that functions as a file server on our network. The files are stored locally on an internal drive array. We would like to setup a Network Trash Can on this machine so when ...
5
votes
2answers
71 views

Restrict ssh access to selected IP on macOS

I want to restrict ssh access on macOS 10.12 to selected IPs on my local network. I tried writing the following files: # /etc/hosts.allow sshd: 192.168.1.32 sshd: 192.168.1.33 # /etc/hosts.deny sshd:...
-1
votes
0answers
11 views

How to continue network sharing after restart?

I have enabled network sharing from Ethernet to Wifi on an iMac running Mojave. This computer is used by our employees and it gets restarted daily. After restart I have to open System Preferences and ...
2
votes
2answers
65 views

How do I enable ntpd to serve ntp clients (using macOS 10.14 Mojave)?

So on macOS High Sierra 10.13, this answer worked fine: How to enable ntpd to server ntp clients (using High Sierra) Now I am running macOS 10.14 and they have removed both ntpdate and ntpd-wrapper (...
1
vote
0answers
15 views

How to I prevent mac os High Sierra from auto mounting a network volume?

Recently I had connected to drive on a second computer and forgot to disconnect before shutting down the second computer. Now my first computer persistently reconnects to the drive on the second ...
5
votes
1answer
43 views

MacBook keeps losing internet, while Wi-Fi is connected (Bluetooth, 5Ghz)

I have a problem which I've faced for about 3 years and it's driving me crazy! My Wi-Fi is connected and has very good signal but after a few minutes (sometimes few hours, hard to say) I have no ...
0
votes
0answers
14 views

Non Existent Network Drive Pop Up

When I run a Virtual Box VM, I use samba to share a folder in the VM File System with my mac. I typically connect my drive to Finder using command + K and put in the IP of the VM. This part works ...
6
votes
2answers
73 views

Xcode saying Network Extension capability is not enabled when it is

I have been having a lot of issues for the last two weeks trying to sign and distribute a 3rd party MacOS app. I am unable to sign an app with Xcode properly because Xcode is saying that I do not have ...
0
votes
0answers
15 views

Use Time Capsule as shared disk over ethernet

I have been trying to set up my Time Capsule as a disk over ethernet for two days now, following various instructions on the internet, most of which seem to be too old. I get lost in the WAN/LAN ...
3
votes
2answers
28 views

Finder File Sharing: How to access the hard disk?

I use an iMac and a MacBook in my local network. I want to access the iMac's hard disk from the MacBook via the Finder's File Sharing. On both the Macs, I have a user account with the same name and ...
1
vote
0answers
43 views

Use of Airport Time Capsule as NAS Device, with WiFi network from third party

With the termination of Apple's support of their network devices, I have moved to an eeros system. I have adjusted the Time Capsule Terminal settings (Utilities/Airport Utility/Time Capsule) so as ...
1
vote
0answers
39 views

Alternate DNS resolution for Safari on macOS?

I use a Pihole on my network to provide local DNS service to block ads and various websites. I've noticed recently (maybe since Mojave) that Safari seems to bypass this. The Pihole device also ...
1
vote
1answer
25 views

Is Java UDP communication broken on macOS?

I've been trying to figure out why a Java program that uses UDP communication on Windows works 100% fine but seems to regularly drop packets on a macOS build of the JVM (8.x). I saw another thread on ...
0
votes
0answers
6 views

Wake On Lan for Mac Book Pro Model A1502 (EMC 2835)

I have two Model A1502 (EMC 2835), which are displayed as MacBook Pro Retina 13-inch Early 2015. One of them is running 10.13.6, and the other is running 10.14. I use an ASIX AX88179 USB ethernet ...
0
votes
0answers
28 views

MacBook Pro unable to turn WiFi on

Macbook Pro Mid 2012. The problem was there before upgrade, but recently upgraded to Mojave ( thought it might fix it ) I suspect a bad WiFi card, but the symptoms are very strange, and does not ...
0
votes
2answers
55 views

How to prevent machine from renaming itself at start up

My iMac's name is windowlick. Every time I reboot it, for some reason it detects that the name windowlick is already in use on the network and renames itself with a random suffix, e.g. windowlick (...
1
vote
0answers
15 views

Troubleshooting Ethernet network connectivity

I'm having some issues with Ethernet connectivity with my Mac mini. I'm trying to get to the bottom of the issue before having the board swapped under Apple Care. The issue I have been seeing is the ...
1
vote
1answer
77 views

Why does macOS have many strange ports open and what do they do? 50323, 50334, 50641,57621, 57650, 64448

I did an nmap scan for my private IP address nmap -p- 192.168.1.123 and got the following open ports back: 50323/tcp open unknown 50334/tcp open unknown 50641/tcp open unknown 57621/tcp open ...
4
votes
4answers
1k views

Prevent a specific app from accessing the Internet

I use Microsoft OneNote on my Mac. How can I can turn off the Internet access to Microsoft OneNote on my Mac?
2
votes
2answers
40 views

Intermittently cant connect to VPN from Laptop, but always works from iPhone

Ive got a few VPNs setup to different LANs, these are all IPSEC over LT2P connections and i manage them by OSX's built in VPN client inside system preferences > network. Sometimes the VPNs will work ...
0
votes
0answers
13 views

how to add static route from WAN to LAN?

I have two network ports on High Sierra: networksetup -getinfo LAN Manual Configuration IP address: 192.168.0.10 Subnet mask: 255.255.255.0 Router: 192.168.0.1 IPv6 IP address: none IPv6 Router: none ...
0
votes
0answers
10 views

Motorola MG7550 slow WiFi on Macbook Pro only

A few months ago I upgraded my crappy modem/router combo to the Motorola MG7550. Since then, my internet is periodically extremely slow (1 to 2 mbps) for hours at a time over the WiFi my Macbook Air (...
0
votes
0answers
48 views

mac , i cant use direct ip 192.168.0.# , instead keep getting 192.168.1.#

i don't know from when, my mac create a subnet and get 192.168.1.# and not 192.168.0.# ip, the real router has 192.168.0.1, but something is creating the subnet and cant work directly with anothers ...
0
votes
0answers
31 views

MBP 2017 often has Wifi Problems if USB C Hub attached

Sometimes (if a USB-C HUB is present) my Wifi speed would drop to be unusable but I am still connected to the Wifi network and I am able to ping other services but the ping is always ~1000ms. If I use ...
0
votes
0answers
18 views

Finding my VNC performance bottleneck

I've been connecting via VPN and VNC (using Screens 4) to my iMac from my 2011 MacBook Air for several months. My main use case for this is running Android Studio and a Windows 10 VM on my iMac and ...
0
votes
0answers
21 views

How do I change the Resolver Order?

I use a utility call HELM to change my /etc/hosts file for a domain name to test if a site on a new server is working correctly before I point the DNS to it. However the way my resolver is working is ...
0
votes
0answers
10 views

Change TimeMachine destination from hostname to IP

I use TimeMachine to create backups on a NAS over the SMB protocol. tmutil destinationinfo tells me, that my destination is something like Kind : Network URL : smb://username@nasnetworkname._smb....
2
votes
1answer
67 views

Keep WiFi alive when on battery and lid closed?

We're using a VPN to access certain parts of internal infrastructure from the office; the VPN uses 2FA, so saving credentials and bringing it up with the network when the machine wakes up is not an ...
0
votes
0answers
32 views

How to redirect network traffic with pfctl

I'm trying to recreate this command from linux to macOS, using pfctl: iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 192.168.9.37 This command should redirect all traffic ...
0
votes
0answers
13 views

iPhone disconnects and reconnects to wifi and I don't know why

My iPhone 6 has recently (past 2 days) started disconnecting and reconnecting to my wifi several times a minute randomly. Sometimes it does not even reconnect and I go into settings and it takes a ...
1
vote
0answers
30 views

WiFi connectivity problem on iPhone6s

I don't really know that is this forum is best for asking this question but if there is any other place to ask this question Please let me know. We have an issue at home where the iPhone not connect ...
0
votes
1answer
34 views

Network settings won't save DNS servers

This has to be simple: I can't save DNS servers in Network>(Location)>Advanced>DNS I add the DNS servers 1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001 save, and then ...
3
votes
1answer
32 views

How to find MAC Adress of second system?

I'm on Mac OS X 10.11 El Capitan, but have a second OS on my hard drive: Mac OS 10.6.8 Snow Leopard. I'm resetting my router and am therefore looking for the MAC hardware addresses of my two systems. ...
3
votes
3answers
430 views

Can AppleScript or any other script measure a Macbook's wifi signal strength?

At my home I have two separate routers due to poor signals when being in one location opposed to another. When I work on my Macbook from different locations I find it annoying when I have to switch ...
0
votes
1answer
94 views

mount_smbfs: server rejected the connection: Authentication error on Mac OS High Sierra 10.13.6

On my ubuntu server i have a few shares that I can access from finder in the style: smb://server.domain/share successfully without having to type in a password. When I try to mount the server shares ...