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

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53
votes
8answers
25k 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 ...
14
votes
6answers
5k 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 ...
8
votes
2answers
3k 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? ...
28
votes
9answers
40k 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 ...
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 ...
18
votes
12answers
66k 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 ...
12
votes
4answers
136k 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 ...
8
votes
8answers
2k views

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

UPDATE: I found a solution to this (but it's at the bottom because it was long after the bounty on this question ended). It's the one with the checkmark. If it works for you, please leave a comment. ...
20
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 ...
17
votes
5answers
17k 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 ...
13
votes
8answers
29k 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
533 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
650 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
670 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 ...
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) ...
2
votes
3answers
388 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 ...
3
votes
2answers
2k 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 ...
0
votes
0answers
532 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 ...
5
votes
2answers
479 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. ...
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
555 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 ...
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
966 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
399 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 ...
11
votes
5answers
26k 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 ...
11
votes
3answers
12k 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 ...
7
votes
4answers
7k 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 ...
28
votes
3answers
11k 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?
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
31k 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 ...
10
votes
5answers
3k 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 ...
6
votes
2answers
17k 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
3k 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
136 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 ...
9
votes
2answers
2k 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 ...
4
votes
1answer
1k 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 ...
3
votes
2answers
2k views

How can I use Terminal to monitor a network interfaces total traffic in Mb

I would like to use the terminal to monitor the network traffic on a given interface, with a view to providing alerts when certain cumulative totals have been exceeded. The script needs to gain ...
11
votes
2answers
3k views

Reasons to prefer Little Snitch over the built-in firewall

Every now and then I browse through software you must have on your mac type lists and more often than not somebody mentions Little Snitch as a must-have application. Now what I think that many people ...
8
votes
4answers
21k views

What's a good iPhone app that will let me view files on my network?

I'm looking for an app which provides functionality similar to Apple Finder's "SHARED" feature, or Microsoft Windows Explorer's Network Neighborhood. Basically, I should be able to use my iPhone to ...
6
votes
5answers
606 views

How can I tell which application is using the network?

Very occasionally when using my Mac, I notice my internet connection slowing down. Using Activity Monitor I can see that it's because something is downloading data at the full rate my connection can ...
5
votes
1answer
4k views

How to control AirPort wireless radio from the command line?

I want to know how to control (specifically turn off) the networking (specifically AirPort - I want to turn off the radio) from the command line (specifically from bash in Terminal.app, being run by ...
3
votes
1answer
7k views

Macbook Pro frequently experiences drops in WiFi connection with Linksys WAG120N

I have a non-retina mid-2012 Macbook Pro running Snow Leopard and this issue has been plaguing me for a while. During regular use of the laptop, while connected to my home WiFi network (to which no ...
3
votes
3answers
4k 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 ...
3
votes
1answer
2k views

iPad app to automatically download and view a list of web pages offline

I have a very specific workflow that I can't find a simple solution for. I want to be able to make a list of web pages to read offline. Not articles, whole web pages. And I want to keep them ...
3
votes
1answer
595 views

What are the empty home and net drives?

I have two drives on my Mac which are always empty (I've enabled show hidden files in the Finder): What are these drives for?
2
votes
3answers
6k views

How do I access Windows PCs on the network?

How can I access Windows PCs from my Mac, and vice-versa, on the same network. I need to transfer files back and forth, and I can't seem to figure out how to do it. I poked around the settings, added ...
1
vote
1answer
56 views

Do the wi-fi communications from Mac to Mac travel through the access point?

Let’s put two Macs MAC1 and MAC2 on the same table. They are connected to the same AirPort (wi-fi) network. They are connected to the access point AP, which is far away, at 10 meters. The Macs are ...