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

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66
votes
8answers
38k views

How to simulate slow internet connections on the mac

What's a good software solution to slow down internet connections on the mac for testing and simulations? My primary need is when testing code in the iPhone / iOS simulator, so slowing down the ...
25
votes
12answers
8k views

Computer name keeps changing OSX 10.10 (14A389)

Since I upgraded to Yosemite 10.10 my computer name keeps changing adding a (2) and (3) and so forth. Any ideas how to fix this?
15
votes
7answers
7k views

Start/stop internet sharing from a script?

Is there a way to start/stop internet sharing from the command line or maybe an apple script? The thing is that I move around my laptop between home and work. At one place I get wireless internet ...
43
votes
11answers
61k views

DNS not resolving on Mac OS

Some of my coworkers are having troubles on their Macs - DNS resolution does not work under Mac OS. They're running Snow Leopard 10.6.8. They can use DNS in a Windows 7 virtual machine (VMware Fusion ...
9
votes
2answers
5k views

Show Active Connections to “Internet Sharing”

How can I view a list of devices that are connected to my Apple laptop via Internet Sharing (when it's enabled)? If a list doesn't exist, does Internet Sharing log DHCP requests and if so, where? ...
2
votes
2answers
1k views

Automaticly and seamlessly sync iPhone photos as soon as they're taken (over the air)

I use Snappy. That's my preferred photo app of all! So, please, keep this in mind. Ideally I want to be able to sync to picasa and dropbox. But I wouldn't mind if it was flickr, picposterous or ...
16
votes
5answers
18k views

How to automatically login to captive portals on OS X?

How can I automatically login to captive portals on OS X? A captive portal is used by (often not password-protected) wireless networks that present a web page as soon as you connect to them, ...
19
votes
12answers
68k views

How can I save Google Maps in iOS for offline use?

Is there a way to retain a map with as much detail as possible (street view, maps, directions, zoom levels) offline? This question refers to the Apple maps program that shipped with iOS versions 1 ...
11
votes
6answers
3k views

Why doesn't AirDrop work on older network adapters?

Apple has stated that AirDrop will support only the following models: AirDrop supports the following Mac models: MacBook Pro (Late 2008 or newer) MacBook Air (Late 2010 or newer) ...
3
votes
4answers
64k views

iphone status bar activity indicator spins forever

Can someone point me why this activity indicator is spinning? All apps are closed. It's starts to spin right after I'm activating wifi. Wifi turned off - activity indicator disappearing.
17
votes
6answers
224k views

How do I know the IP addresses of other computers in my network?

Say that I have two computers connected to the same network. I know that from computer1 and file sharing enabled I can snoop around inside computer2. But say that there is something interesting on ...
5
votes
5answers
8k views

Discoveryd Alternative to Replace mDNSResponder Argument?

This is a direct follow-on to this question. Before Yosemite, I'd add the "-AlwaysAppendSearchDomains" argument to the mDNSResponder plist file so that all local resolver lookups added the search ...
21
votes
5answers
24k views

bandwidth shaper or bandwidth controller App for Mac OS X

I'm looking for a bandwidth/packet throttle/shaper program with the following features: Similar to Windows-based Netlimiter. GUI based and not terminal or command line. Shows list of all ...
10
votes
8answers
3k views

getting “out of memory” error when trying to load specific websites (am not out of RAM)

UPDATE: Rich's solution (with the checkmark) solved my problem! I also posted an answer with a workaround that may help if Rich's solution doesn't work for you. The answer that received the bounty was ...
23
votes
6answers
4k views

How do I prevent document preview over slow connections?

Once in a while I have to work over a 3G network, which is reasonable, until I mount a file system on the other side of the world. When that happens OSX tries to show me "previews" of every single ...
14
votes
8answers
32k views

How do I connect to a SOCKS Proxy from an iPhone/iPod Touch?

I like to surf securely and privately via a SOCKS proxy which I created via SSH tunneling, on the Mac. I used the SSH client on my Mac to achieve this. Then I thought, since the iPhone OS is ...
10
votes
3answers
590 views

Can the built-in OS X “Location” feature auto select locations based on wireless networks?

My home network is very secure, but my school's wireless network is open, which makes it vulnerable to wireless sniffing (e.g. with Firesheep). I just discovered the Location feature and I think it's ...
6
votes
3answers
927 views

A utility for tuning your WiFi network?

Is there an app available to help tune Wi-Fi network settings? My local air space is starting to get congested and I want to make sure I'm using the optimal channel and settings on my router to avoid ...
3
votes
1answer
769 views

How can I restrict Mac sharing services to a specific network/adapter?

I want is to set up a Mac to connect to multiple networks. So far, so good. However, I only want to grant AFP access to users on ONE of the networks, but not the other. How can I accomplish this on ...
4
votes
3answers
6k views

Man in the Middle Network Proxy for iOS that supports SSL?

I'm trying to do examine some apps and what kind of network traffic they're using on my iPhone. I've set up Charles (including SSL certificates & provisioning profiles). Then, I tethered my ...
2
votes
3answers
434 views

Can I automate location changing so I don't have to drive the choice manually?

Wondering is anyone knows of an application that can change settings on my Macbook Pro depending on the wireless networks it detects? Ie, If I was at work, connect to the Work Wireless, Change ...
9
votes
2answers
3k views

Internet stops working frequently on OS X Lion

After upgrading to Lion, I started experiencing this issue: Internet stops working frequently. - I open Safari and browse for some time - Suddenly I can't open any sites; Internet will stop ...
7
votes
2answers
30k views

How to block internet traffic of an application?

Little Snitch can block internet traffic of a particular app. Can I do something similar without (paying) Little Snitch?
6
votes
2answers
878 views

How should I use VPN on a Mac to prevent compromise before the VPN starts?

As most experienced users will have heard, using a Mac in a public untrusted Wi-Fi can be potentially harmful. A tool like Firesheep1 has made it very easy to intercept unencrypted communication. ...
3
votes
3answers
13k views

Mavericks Internet Sharing over Ethernet stopped working

I'm on 10.9, and I had been using internet sharing successfully again for the first time since Lion. Today though, it just decided to stop working again. Network layout: Modem -ethernet-> Router ...
3
votes
2answers
3k views

Finder becomes unresponsive when viewing network folders with large amounts of files (OSX 10.6.8)

When loading a folder which contains around 500 video files (each approximately 200mb-700mb in size), Finder becomes unresponsive and displays the beach-ball. The folder in question is a networked ...
1
vote
1answer
2k views

I can't find a setting to disable WINS in Network settings

In my Network settings under WINS I have the NetBios name (elly) that I would like to disable (kill). The message shows that the "elly"is currently been used ? By whom, for what ? There a bunch of ...
0
votes
0answers
655 views

How do I prevent OS X Server from issuing dynamic DHCP leases?

Prior to "upgrading" to Mountain Lion Server, I used OS X Server as my DHCP server. The purpose of the configuration I had was to provide MAC filtering, assigning static leases based on hardware MAC ...
4
votes
3answers
2k views

Application to notify user of active VNC connection

I want something more visual than Apple’s very subtle binoculars in the top right status menu when there is an active incoming VNC connection to the machine. Preferably just a floating window ...
3
votes
1answer
2k views

Google on my iOS devices is stuck in a different region than I live in

For some reason, my browser always defaults to New Zealand. I've reset my location in the Store and in the settings, but it always pulls up google.co.nz when doing a search and the default map centers ...
2
votes
0answers
30k views

Why won't my iPhone 4S let me turn on the wifi? [duplicate]

When I go to Settings then to Wifi, I cannot turn it On. I had read in another question I should Reset Network Settings but that did not seem to help. Does anyone have any idea what I could do?
1
vote
1answer
2k views

Setting a static route every boot with launchd / plist is failing

I hope to use launchd to set a static route on a server at boot time since I haven't figured a better way to configure this sort of networking on a server. My problem is that the command seems to be ...
1
vote
2answers
9k views

Unable to mount an NFS share

I'm trying to access my (Synology) NAS share through NFS and always get the same issue. First, I activated NFS support in my NAS: Then I set the permissions on the NAS: My MBP has the IP ...
1
vote
2answers
979 views

Can I remote desktop into a Windows-based corporate network from my iPad?

Possible duplicate: iPads in the corporate world Has anyone remote desktop into a Windows-based corporate network with an iPad? What has been your experience? How do you address the ...
0
votes
1answer
485 views

Access and control home office network, iMacs, and XServes

I have a home office network comprised of: 1 Time Capsule 2 27" iMacs with dual cores running Mac OS X 10.6.8 2 XServes each with 2 quad cores running Max OS X Server 10.6.8 I use the ...
14
votes
5answers
38k views

How to make Time Machine backups over network without OS X server?

At our institute, we have several Macs (from 10.6 to 10.8) but not one is running a server version. In the one running 10.8 there are 4.5 TB of hard-drives from which 2 x 2 TB are raided together ...
13
votes
3answers
19k views

How can I open port 80 so a non-root process can bind to it?

I want to run a web server on my Mac as a non-root process. Normally only root processes can bind to port 80 (or to any port below 1024). Can I open port 80 specifically so that non-root processes ...
36
votes
3answers
29k views

How does the Mac choose which connection to use when both Wifi and Ethernet are connected?

When I'm connected to two networks with separate routers using Wifi and Ethernet, how does my Mac know what connection to use when I visit a website?
12
votes
4answers
10k views

How can I quickly change DNS server

I often like to use a non-network specific DNS server (like Google's public DNS 8.8.8.8). However, many public wi-fi locations won't load their "terms of service, click here" page during the ...
4
votes
3answers
2k views

Ping on Mavericks on late 2013 MacBook Pro slow and variable compared to Windows

I had a couple of issues connecting to an SMB share last night so started using ping to test connectivity. At that point I noticed the ping was very slow and variable - my Windows laptop shows ...
5
votes
3answers
3k views

Internet Sharing stuck on after 10.7.3 update

I use Internet Sharing at work to create a local WiFi network (sharing the GigE connection) for my various iOS and tablet devices to connect through. After the 10.7.3 update, I cannot turn sharing off ...
14
votes
6answers
42k views

How do I troubleshoot my Wi-Fi connection when an exclamation mark appears?

Sometimes, when I am in a public Wi-Fi an exclamation mark appears in the greyed out Wi-Fi icon. I can connect to the Wi-Fi (I get assigned an IP address), but I cannot establish an internet ...
11
votes
5answers
5k views

To let a Mac automatically use Wifi and Ethernet to double the connection speed?

I am staying at a hotel, and for some reason, I think they limit each Wifi connection to 95 kbyte / s. So that is roughly 1.2 Mbps... and since I have 18 Mbps at home, I am using a speed that is less ...
8
votes
3answers
527 views

Enable/disable Time Machine depending on network connection type

I've not got a great Wi-Fi setup here at home and it sometimes results in failed Time Machine backups. Is there a way of specifying that Time Machine only backs up under certain circumstances - i.e. ...
6
votes
2answers
24k views

How to use WiFi and Ethernet at the same time

Brief Description: I need my Ethernet card (en0) to see all traffic under 192.168.2.xxx. However I also need to use WiFi card (en1) for all other traffic. OS: OS X Lion I am using a separate ...
4
votes
3answers
4k views

Questions about how Internet Sharing works

A simple checkbox and a menu allow you to share your internet connection (no matter which interface you get it on) with any other interface (theoretically). But, the guts of this is a little ...
3
votes
2answers
507 views

What are the numerous incoming connections I see on public wifi for?

In general I have incoming connections disabled by my security software (Little Snitch). But even when I do this, on public wifi, I see numerous incoming connections for netbios and mDNSResponder ...
11
votes
4answers
8k views

How do I stop my computer name from automatically, and incorrectly, changing?

Ever since I upgraded my 2009 iMac to Mavericks, I often get a message stating 'The name of your computer "Foo" is already in use on this network. The name has been changed to "Foo (2)".'. The number ...
9
votes
2answers
3k views

How to ensure that all traffic goes through VPN connection once it has been started?

I connect to the internet through a VPN provider along with other precautions in order to ensure privacy (against traffic analysis by agencies of a repressive government). I currently use Tunnelblick ...
6
votes
1answer
3k views

Unkown process listening at port 8080

The problem: something is listening on port 8080 If I load the page with Safari I get a blank page (page is white but "Develop → Show Page Source" is greyed out) If I telnet to port 8080 I get ...