Questions tagged [network]

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

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0answers
17 views

How to store/specify/identify path to different Volumes with the same name in /Volumes?

I am using Synology Diskstation as NAS in my local home network. When I connect my Mac to the NAS the volume is mounted becomes visible in Finder. In Terminal I can access the NAS folders using /...
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21 views

Share a USB printer over Active Directory domain network

I would like to share a printer connected with the USB cable to my iMac with all the other Windows PCs that are part of a Windows Server 2016 Active Directory domain network. Of course to do so, my ...
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1answer
15 views

How to specify network interface for different protocols?

At work, I have 2 interfaces active: WiFi and Ethernet. Eth connects to company network for shared volumes over SMB. But then no Internet. WiFi connects to Internet, but not to company network. I ...
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24 views

Hamachi: Cannot ping my or anyone else's IP

I have been using Hamachi successfully on my computer for years, but recently, it's been acting up. I cannot ping anyone else on Hamachi. If I click them and hit ping, I just get: Request timeout for ...
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2answers
727 views

I've got an error “This site is blocked due to content filtering.”

The first question is: How it works? And the main question is how to remove spying and traffic sniffing things from the Mac. I've uninstalled Microsoft Corporate Portal, restarted, but it didn't ...
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3answers
51 views

Malicious Malware

I've been informed that my laptop has a malicious malware from the IT department in my school, the malware "Scans the entire network for phones and vulnerablilites on the phones." is there any way I ...
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0answers
11 views

Problem network WiFi WEP in Mac

The problem is: It connects me to a WEP network but it does not allow me to enter the internet, I enter the correct password (I know what it is) but it gives me the following error: The "XXXX" WiFi ...
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1answer
30 views

Remote access forbidden but localhost works with Apache

I followed this tutorial and the Apache server works locally. http://localhost/~user/ works but remotely http://my-ip/~user I get: Forbidden. You don't have permission to access this resource. Note ...
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60 views
+200

VPN Server on Catalina

I set up a VPN server on my Mac Mini following the instructions on https://robintiwari.com/post/how-to-set-up-vpn-server-on-macos Assigning IP adresses from 201 to 216. The ports are open and ...
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1answer
24 views

Networking tools and troubleshooting strategies

I’m having an issue with my iMac network connection. It’s a wired Ethernet connection through a switch and then an Asus router. WiFi clients aren’t seeing the same painfully slow episodes that the ...
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8 views

Increase Network Buffer

I'd like to increase the network buffer between two Macs. One Mac is a media recorder for OTA TV, the other is acting as the media player. The recording / playback is done with the EyeTV application....
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1answer
85 views

Official reason why Apple does not allow restricting iOS app's Wi-Fi access?

According to: Restrict an iOS app from using Wi-Fi internet https://forums.macrumors.com/threads/iphone-sold-in-china-has-a-unique-feature.2030268/ https://discussions.apple.com/thread/6645022 ...
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31 views

Can't connect to Internet except via a VPN [duplicate]

A couple days ago all of a sudden my laptop stopped connecting to the Internet. For instance, if I open the Chrome browser (64-bit version 78.0.3904.97) and enter in the url textbox: apple....
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1answer
55 views

Cannot Serial/Screen into things error “Cannot open line '/dev/ttyUSBtoSerial for r/w: resource busy” “Sorry, could not find a PTY”

Brand new MBP running latest MacOS Catalina 10.15.1, using USB-C to serial device found here: https://www.amazon.com/gp/product/B074WPTY6H/ Get following errors in quick succession when attempting ...
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0answers
30 views

How to troubleshoot network issues on macOS

I have a MacBook Pro running macOS Catalina and I've been having issues with the internet connection. Every few minutes (sometimes up to a few hours), all programs connected to the internet stop ...
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1answer
45 views

How to find which process has opened the port on macOS?

using netstat we can find LISTENing or open port etc. I want to know how can we find out which process has opened which port we see in the result of netstat -vanp tcp
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1answer
37 views

Does MacOS “load-balance” TCP when more than one interface is available? [duplicate]

If an iMac has both cat-5 and WiFi connections to the world, will MacOS use them both to optimize the overall speed? Or pick only the fastest for everything (since the ISP side of the modem is slower ...
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0answers
23 views

Macbook Air very slow Wi-Fi after High Sierra upgrade

I have a Macbook Air that has insanely slow Wi-Fi after High Sierra upgrade. A clean install of El Capitan and resetting the PRAM has the Wi-Fi working as normal. I get between 200-300mbps down. As ...
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1answer
49 views

Safari SSH Tunneling Troubleshooting Diagnostics

What diagnostics / troubleshooting can be performed to meet the goal? Goal: tunnel through a remote router, with port 22 enabled for SSH access via SSH. Asus RT68U Router outfitted with Merlin ...
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23 views

Remember active-directory user id while connection with AD server is down

I've got my computer connected to active directory server that is identifiable only through vpn or from my local work subnet. However, I wish to work offline as well so I wonder how to configure my ...
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0answers
121 views

IOS 13.2.2 Incorrect Wifi password

I have an iPhone with iOS 13.2.2. Until today, my wifi connection was totally normal. After I turned wifi off and back on again, it keeps saying "Incorrect WiFi password". I tried the following steps ...
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0answers
18 views

Allow macOS to use nameservers provided by tap0 interface

I have a script that establishes a VPN connection and assigns an address to tap0 via DHCP. It looks like the DHCP server is providing nameserver entries (in resolver #2): $scutil --dns DNS ...
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1answer
42 views

How can I have a hostname always be resolved using my local network's DNS server when I'm connected to a VPN?

I have a MacBook Pro running macOS 10.14.6 that is frequently connected to a privacy-focused VPN that tunnels all non-local traffic and handles all DNS requests. However there is one hostname that I ...
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0answers
21 views

Bluetooth device connects then disconnects?

I am connecting a Pixel 3A to my Macbook Pro 2018 model. I have tried resetting the SMC, resetting the PRAM, putting both devices in safe mode and re-pairing, deleting .plist files (globally and for ...
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1answer
22 views

How to monitor and log my internet connectivity on Mojave

I need to run a program remotely and need to keep my iMac (Mojave) connected to internet for hours. It seems when I leave my iMac, my program will stop running. I suspect that is due to some internet ...
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0answers
98 views

Login of network users stopped working with Catalina update

We have some Mac Minis used by students, which are configured to authenticate the user against a central AD and store the homes on a server, from where they get mounted on login. Until two days ago, ...
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51 views

Sidecar hinders Mac's wifi quality

As far as I know, Sidecar can be used both wirelessly and with a wired connection. Using Sidecar wirelessly severely cuts my internet connection down from 22Mbps to 4Mbps(both download and upload ...
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0answers
22 views

Diagnosing Failed Web Requests Safari

I am having some trouble with Safari not loading any sites. When I enter a URL the site appears to load forever without making progress. There are no errors, and this state will continue until I ...
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0answers
43 views

Is there a way to disable sharing of Wi-Fi passwords/PSKs?

While Apple devices call them passwords, I am going to use PSK (Pre-Shared Key) throughout this question as it is more accurate. Please feel free to substitute password for PSK as you read if it helps....
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0answers
29 views

Internal MacBook Wi-Fi only working after Safe Boot

I am having very strange issues with my MacBooks Airport functionality. Sometimes I cannot get any networks to show up at all. I tried a restart but even after that the issues persists. I already ...
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0answers
25 views

launchd daemon can't connect to remote server

I've developed a launchd daemon that updates my DNS on a remote server. That script used to work perfectly. On September 25th 2019 my logs began showing that there was a connection error with my ...
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0answers
31 views

Can you connect to the internet via a wired connection from iPad to iPhone?

I connected my iPhone to my iPad using Apple’s Lightning to USB 3 Photo adapter. I went to settings on my iPad and saw an Ethernet section had appeared. My iPhone shows up there, but it doesn’t seem ...
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34 views

Why Handoff is not working after network reset? (iOS/iPadOS 13.2)

I reset Network settings on my iPhone XS and on my iPad Pro (2018) two days ago. Since then, Handoff works only from iPhone to Mac (10.14.6) but it doesn’t in the other direction. I have already ...
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0answers
54 views

Protocol error in Safari for some wikipedia articles' resources

Safari is displaying the "can't open" page with error The error is: “The operation couldn’t be completed. Protocol error” (NSPOSIXErrorDomain:100) for URL https://en.wikipedia.org/wiki/Halo_(...
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0answers
35 views

What is the best (fastest) way to connect my iMac Late 2012 to a Synology NAS?

I have an iMac Late 2012 with Thunderbolt 2 and USB3.0 ports and a Synology NAS DS916+ with USB 3.0 and eSATA ports. Currently both devices connected to a router by wire (1Gbps). I do backups of my ...
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0answers
29 views

How to show the users and IP connected using GUI or command line?

I have a MacBook Pro with El Capitan. I have followed the instructions to enable File Sharing, it is working through a new user account of Sharing Only type - let's name it RemoteUser. I can access it ...
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1answer
38 views

ikev2provider blocking connections - misconfigured vpn settings - stuck on the same IP

I am currently struggling with very weird macOS problems. I am running Catalina on a macbook pro 2018. For the past few days I have experienced connection issues: The first problem was when I ...
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2answers
41 views

Apple MacOS appears to ignore default route assigned from DHCP

My team has run into the following problem. We’ve discovered an operationally acceptable workaround which I will submit as an answer to this question, but we are hoping for a better solution, or at ...
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0answers
39 views

*.github.com always be redirected to github.com

When I visited any subsite of github.com, for example help.github.com, desktop.github.com, it was always be redirected to github.com. I had tried the follow steps but no luck. clear cache in chrome ...
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0answers
26 views

MBP having trouble with phone hotspot connection

I have a phone with a mobile hotspot. Everything seems to be fine with the hotspot, I can connect to it and get to the interenet with no problem from my Linux laptop and from my second phone. When I ...
3
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1answer
98 views

Are apsd, ntpd, mDNSResponder, trustd, netbiosd necessary for macOS functioning?

I'm seeing 5 processes with network activity ( sending/receiving bytes ). I'm not sure whether these are normal occurrences? List of processes apsd ntpd mDNSResponder trustd netbiosd I researched a ...
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0answers
22 views

How do I diagnose Internet Sharing failures on Mac OS over iPhone USB?

Internet Sharing stopped working just recently. Configuration is Wi-Fi shared over iPhone USB cable. Mac OS version 10.13.2, iOS version 12.4.1. I haven't updated operating systems of my computer ...
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1answer
44 views

Certain websites not opening in mac

I am connected to my university's internet. Internet websites open perfectly fine. However, university-related sites do not load. When I try to open those sites, it tries to load for a long time and ...
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2answers
407 views

Airport Express bringing down the entire network?

I got a used Airport Express (2nd gen, the one that looks like a white Apple TV) to extend the wifi range of my Airport Extreme (the tall white monolith looking thing).* Express rear view for ...
3
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1answer
371 views

How to block an IP address?

I am running MacOS Mojave. I am wondering if there is an easy way to block an IP address. For example, I can ping 8.8.8.8 and telnet 8.8.8.8 53. Now, I want to block all access to 8.8.8.8. so ping ...
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1answer
21 views

Catalina: HTTP downloads in Terminal stall without sudo

I am experiencing a weird behavior only affecting running apps in the Terminal (BASH). When running wget someurl, it will timeout. If I run the same with sudo, it works. Other apps have no ...
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0answers
20 views

Self Assigned IP Address w/ iPhone and iPad At One Single Location

This is at a coffee shop that I have been visiting regularly for four or five years. At the this one place both devices (iPhone 6s and iPad mini 4) always get a self-assigned IP address. As I recall, ...
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1answer
41 views

Not able to resolve my domain name on browser

I am using docker for application and modified the hosts file and added domain name on local browser. I added in hosts: 127.0.0.1 xyz.com but when I am trying to open from browser getting the ...
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1answer
54 views

How to configure 3G/4G dongle in macos 64bit version?

I have faced this problem of not able to connect to 3G/4G dongles, currently the Huawei E3372 one. Was using Mobile Partner app & since the 64bit upgrade it has failed.
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1answer
40 views

SOCKS proxy environment variable ignored by command line applications

I have a SOCKS proxy that is accessible at 192.168.0.17:1080 in my local network. I redirected my internet traffic to it in my Wifi System Preferences. This works fine, GUI applications use it. ...