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

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1answer
38 views

Only HTTPS websites working otherwise I receive ERR_CONNECTION_REFUSED [duplicate]

I am facing annoying problem of only HTTPS websites working on my Mac (in all browsers). I can only visit Google, YouTube, Facebook, Yahoo etc. So far, I tried following: Websites shows error of: ...
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0answers
5 views

smbd and diskarbitrationd high CPU when writing on network-shared device

I've got a couple of Macbooks shared via network. I can easily spot them in the Finder. Let's say on Macbook A I have connected an external hard drive (My Passport 1TB) and I want to read and write ...
0
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1answer
18 views

MacBook Air Mid 2013 Wi-Fi MAC Address

If I change my network interface card on my MacBook Air 2013, which I assume to be my AirPort/Bluetooth card, will it change my laptop's MAC Address?
1
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0answers
16 views

How to forward traffic out to the internet from Ethernet through WiFi while interfaces on a different subnet?

On my MacBook I am connected to internet through WiFi but I also have a router for my lab connected to Ethernet port. wifi(en1): 192.168.0.4/24 with 192.168.0.1 gateway. ethernet(en0): 192.168.1....
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0answers
20 views

Diagnosing packet drops in OSX

Running netstat with -d adds dropped packets count But how does one tell where they were dropped? I know they were not dropped at ingress to protocol handling (the traffic is UDP, and netstat -s ...
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0answers
23 views

Set static network addresses for clients in OS X shared network

I'm trying to set up static network addresses for clients connected to my shared network from my Mac over Wi-Fi. (El Capitan 10.11.5) I was following this to set everything up: Configuring the ...
0
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0answers
11 views

Dynamic list of unknown shared computers appearing on wired computer

I recently setup an old Macbook Pro with OS X Server (El Capitan) and via ethernet connected it to my Airport Extreme. My network is secured with WPA2 personal and a diceware-generated password that ...
0
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0answers
13 views

Prevent Wake-on-LAN when other devices wake from sleep or get connected to power

I keep my iMac in my bedroom, and just before I'm about to go to sleep, I usually use my MacBook Pro for a while. I also connect my iPhone to the lightning connector to charge it over the night. Both ...
2
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1answer
65 views

User specific host file

I would like to add a user specific host file on my Mac (El Capitan 10.11.5) to a users home directory and have this be checked in addition to /etc/hosts when resolving domain names. I found a ...
0
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3answers
88 views

Airdrop is not working with my Mac

I have a Macbook air 11 inch early 2014 with Mac os X 10.11.5 installed. I can't send or receive from my mac to any other iOS device. If I want to send something to my iPhone, the iPhone never scans ...
1
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0answers
12 views

Strange process on the port not listed in the ports taken by Apple docs

I've been checking ports taken by lsof -i :8080 and found strange records: com.apple 19149 famer 77u IPv4 0x3ed748c5b0730dcb 0t0 TCP 10.1.32.158:60180->ec2-54-217-241-88.eu-west-1.compute....
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0answers
27 views

SSH enable to connect

I will try to describe the situation as explicitly as possible. I have a macbook pro that i set up at home with a fiber wifi connection with a remote access : ssh User@123.123.0.12 (for example) in ...
0
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0answers
16 views

Stop certain iOS apps from accessing the internet [duplicate]

I'm trying to block certain applications on my iPhone from accessing the internet. I can see from Charles Proxy that the apps are connecting to the internet from my iPhone without me knowing. I know ...
1
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2answers
40 views

Need tighter connection with my Time Capsule as external drive

I am not familiar with the right jargong or semantics but will try to explain it as well as possible. I have a Time Capsule which I use as an external drive to save media. I use a MacBook to access ...
0
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0answers
39 views

No Connection while shown as full signal strength

My Macbook Pro Early 2011 won't get a working internet connection with this network. However all other connections from this Mac to other networks are working. All other devices in my house (multiple ...
0
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1answer
19 views

Fastest way to disable daemons gone wild; how to know if attempts to interrupt will break app?

As software advances so do the installers, which have become vehicles for all kinds of needless bloat ware. I do not believe this to be an inevitably, its possible for software to progress without ...
3
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0answers
39 views

Long login times when on WiFi

I have been trying to find an answer to this online, and the closest I have come is this question: Very long login times in Mac OS X. It does, however, not replicate my issue exactly. My Mac (OS X, ...
1
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0answers
21 views

DNS resolution got extremly slow after issuing ipconfig commands

I wanted to inspect DHCP messages. To produce them I issued these 2 commands: sudo ipconfig set en0 BOOTP sudo ipconfig set en0 DHCP After that, I am having severe DNS resolution difficulties. It ...
0
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0answers
16 views

Can't create hotspot using “Create Network…”

I want to create an access point using MacBook and investigate the traffic with Wireshark. But when I create it using "Create Network..." none of my devices such as an android phone see this access ...
0
votes
1answer
30 views

How do I remove the .local domain from sent mail?

I am running OS X Server on Snow Leopard (10.6), but I believe this same issue affects newer versions as well. (If the problem can be resolved by switching to a newer version, that would be welcome ...
0
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1answer
49 views

AirPort Express and ssh

So, I've been trying to understand networks a little better and I'm playing around with ssh. I've learned how to set up port forwarding from my AirPort Express directly to my computer, but I am ...
0
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0answers
19 views

How do I override osx to use direct connection instead of current proxy settings?

My Mac has been using a specific app as a proxy manager, I then switched to chrome extensions which works fine. But as I uninstalled the app, the OS X seems to be stuck with the previous proxy ...
1
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0answers
42 views

PF / IceFloor - Redirecting a service / port to a specific IP

What I'm trying to do is redirect all requests to a certain service or port to a specific IP address with IceFloor as the frontend for PF. In the example I'm posting en1 is my only enabled network ...
0
votes
1answer
83 views

Network Proxy *.local, 169.254/16 bypass

Is the reason this bypass of *.local, 169.254/16 on my MacBook Pro OX S El Capitan computer the result of me giving my wifi password out to my neighbor?
3
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0answers
88 views

OS X doesn't query local DNS names properly

None of our OS X client machines in our workplace query local DNS names of our servers properly after connecting to VPN. For other client machines – including Linux and Windows – it works properly. ...
2
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0answers
30 views

Junos pulse and share internet connection by ad-hoc Wi-Fi on OS X

Basic problem If I run Pulse secure (or Junos Pulse) on my iOS device, this breaks functionality of TCP socket in background. I mean if application is in background it can't be woken up by incoming ...
0
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0answers
67 views

iMac ethernet not working, cable unplugged problem

for my iMac late 2013 i cannot use my ethernet port. It suddenly stopped working. Here are the things about my problem and things that i tried: Wifi is working No, it is not the Apple ethernet brick ...
1
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0answers
38 views

iPad Internet Issues

My iPad will not connect to the Internet, even though it says that it is connected with full strength. Everything else in the house is connected. There's one complication, my iPad's on/off button is ...
1
vote
1answer
29 views

How to find out the wifi setting of a connected wifi network in MacBook Pro? [closed]

I have access to a MacBook Pro and a Android phone. I know the username and password to a secured wifi network, but not the settings of the network e.g. PEAP or something else. The Apple laptop is ...
2
votes
0answers
52 views

Wi-Fi Connection but no Internet (checked DNS, Checked Router, Clean OS install)

I can connect to a Wi-Fi Network with my MacBook Air (Yosemite 10.10.5) but do not get Internet. Other MacBooks and Windows laptops I connected to the same Router via Wi-Fi receive Internet. With an ...
3
votes
0answers
85 views

Command line DNS utils work, Chrome & Safari fail to resolve hostnames on El Capitan. Why?

I'm using Docker Compose to host a small dev environment, which includes a DNS container. I've added the docker-machine's IP as the first DNS server in my wifi settings (there are no wired ...
1
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0answers
35 views

VPN stopped working

When I try to connect to my work Cisco VPN using the Mac OS X built-in VPN client, all I get is an unexpected error. My Mac OS version is 10.11.5 If I run syslog -k Facility -k Sender racoon in ...
2
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0answers
43 views

There is no application set to open the URL rstf3://

I've been getting this popup every day for the past few days... There is no application set to open the URL rstf3:// I cannot figure out what is generating it, nor what an rstf3 URL might even ...
0
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0answers
14 views

How can my mac access a time capsule on a different router?

My home has 2 networks, the first one is 192.168.1.X and this network is connected to the modem for internet, and connected to this network is a different wireless router elsewhere in the home with ...
4
votes
1answer
70 views

Which built-in tools do Little Snitch-like applications rely on?

Little Snitch is a well-known piece of software that allows Mac users to block outgoing connexions from a specific app. Now, whenever I ask how to do the same with built-in OS X tools, I get an ...
0
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0answers
19 views

Can your devices auto connect to your iOS hotspot without opening the settings/hotspot screen?

My car (VW Passat 2016) relies on a hotspot from a smartphone to have internet for all it's internet services (like traffic info). After enabling hotspot on my iPhone (iOS 9.3) my car can connect and ...
1
vote
2answers
64 views

Can Macbook Pro handle 2.4GHz and 5GHz frequencies on the same wifi network without getting dropouts?

I'm connecting to an SFR 'La Box' optic fibre wifi router / modem in France (with 180Mbs down, 10Mbs up) - which has a feature I've not come across before on a wifi router: parallel 2.4GHz and 5GHz ...
0
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0answers
19 views

Network priority is not being observed—how to fix?

I have my home network listed as highest priority in my list of Wifi networks, and my Karma Go (like a Mifi) listed way down the list, and yet I very frequently discover that I'm using my Karma Go ...
1
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0answers
44 views

Wifi network seeing regular and unexpected errors (10.11.5, MBP11,5)

See a bit further down for my queries, but I'd be very interested to hear what you see with this monitor running. Are we all getting this many errors? Am I really having 65% UDP errors or just ...
1
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0answers
32 views

One Mac can print to network printer, one cannot

I have a mid-2010 Macbook Pro running El Capitan (IP: 192.168.1.65) and a newer Macbook Air (~2014) (IP: 192.168.1.71) running El Capitan. Both are connected wirelessly to the same network: a U-Verse ...
0
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0answers
11 views

What could cause a weirdly irregular throughput problem with two Time Capsules?

I've been mystified by a problem with weirdly inconsistent throughput (i.e. write/read speeds) involving my two time capsules, which consist of a third-gen 1TB unit and a fourth-gen 2TB unit. The 4th-...
1
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3answers
26 views

Is there a simple way to temporarily grant network access to a single application?

Is it possible to only allow one single application to access the network connection, excluding all other applications from generating network traffic. Streaming video or music locally over the ...
1
vote
0answers
42 views

Can't connect my iPad to the localhost of my Mac

I want to access the localhost of my Mac from my iPad. From my Mac, the address is http://localhost:8888. Through IP address The Mac and the iPad are connected to the same Wifi network. The IP ...
0
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0answers
43 views

Local LAN network does not connect after turning off wireless in Yosemite 10.10.5

The title says it: if I disconnect my Wifi the network does not come up on the cable LAN, unless if I reboot the system. Any fix for this, or workaround? Update 1: I get this data on my local LAN ...
0
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0answers
83 views

WiFi slow down drastically when iPhone 6s connected

Good day everyone.. (not good for me obviously) I have questions about my iPhone 6s (iOS 9.3.2) connecting to my TP-Link Router (Model No. TL-WR740N / TL-WR740ND) and its performance. Whenever I ...
-1
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2answers
38 views

I don't have 802.11n on my Mac [closed]

I face a problem with my Mac , it was normal, but 2 days ago I was just shocked when I can't find wireless network on adapters list.
1
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0answers
32 views

Force OSX to switch to the wifi access point with the strongest signal

I have two wifi hotspots set up. Comcast X1 Router (Wireless Gateway 1) and an Airport Extreme. Both networks are set up with the same SSID, passphrase, and WPA2 Personal. Unfortunately, the wifi ...
1
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0answers
49 views

How to create Wi-Fi hotspot on OS X without having a connection?

I need to create a Wi-Fi hotspot on my OS X machine with no internet connection. I need this in order to locally connect my Android smartphone via the hotspot and control the machine via an app (...
0
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0answers
11 views

How to implement a large Aiport Express network

I have set up quite a few (simple) Airport networks in my life. Well, setup might not be the right wording; attaching a couple of Airport Expresses into the power, launch Airport Utility and go. Now ...