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

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4
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2answers
226 views

Selecting a default wi-fi connection

I have multiple wifi connections in my campus (XYZ-Open, XYZ-Secure and XYZ-Guest) where XYZ-Secure is a secure connection and asks for authentication. Students use the secure connection which has a ...
4
votes
2answers
14k views

Find gateway address and netmask?

I come from the land of windows, where the ipconfig command shows four important pieces of information: IP address, netmask, gateway address, and MAC address. However, on a Mac, ifconfig only shows ...
4
votes
1answer
1k views

Neighbor's Airport Extreme extending my wireless network?

I noticed a new machine on my network -- it's my next-door neighbor's Airport Extreme! My network is set up with a WPA2 Personal password, and I don't believe that he's cracking passwords to steal ...
4
votes
3answers
10k views

Where is the MAC address of my Thunderbolt to Ethernet adapter?

I have a Thunderbolt to Ethernet adapter for a Macbook Air and I need to assign a static IP address to it. I assume the MAC address is embedded in a given adapter... and by convention I would assume ...
4
votes
1answer
1k views

Given its IP, how can I find out the name of a Windows PC on my network?

I'd like to find out the computer name of a Windows PC (like the name shown in the 'Shares' section of the Finder, e.g. bill-pc) given only its IP address. nslookup doesn't do the trick. I'm also ...
4
votes
2answers
587 views

Use the Airdrop network to access a computer?

I'm using airdrop to transfer files and stuff to another macbook. Looking at the output of ifconfig, I can see that airdrop creates a VNIC to communicate with the other computer. Is there a way I ...
4
votes
2answers
731 views

How does the defaults domain ‘Network’ work? (/Network/Library/Preferences/)

How does the Network preference/defaults domain work on Mac OS? I see it referenced in a lot of Apple documentation, but I don’t understand this particular preference domain. I get the user defaults ...
4
votes
1answer
2k views

Can I move my iTunes library to a network drive?

The question title pretty much says it all. I'd like to be able to free up space on my iMac G5's hard drive. I had considered upgrading the drive, but moving it off the Mac seems like it'd be a better ...
4
votes
1answer
262 views

How do I set a specific system setting using a script or a profile? System Preferences/Networks/WiFi/Require authorisation to turn wifi on/off

I'm hoping someone can help. I work for a college, I manage about 80 Macs and we've had a problem recently where students are turning WiFi on or off on the Macs that they're logging on to. This is bad ...
4
votes
2answers
214 views

get a notification when my machine is pinged

I'd like to be able to be notified in any way (sound, notification, growl, etc) when someone pings my machine. Is that possible?
4
votes
3answers
763 views

What does this bogus route (0&0x68 c8.c8.c8.c8…) mean in my routing table?

This is fresh after a reboot, on a wireless network which is known to be a little flaky. The first line is unlike anything I've seen before: $ netstat -rn Routing tables Internet: Destination ...
4
votes
3answers
23k views

How to force Thunderbolt-ethernet connection when switching networks without restarting computer?

I have a thunderbolt to ethernet cable on a MacBookPro Retina on Lion. Sometimes the thunderbolt to ethernet connection does not work. It seems to occur when I switch network locations (e.g., I move ...
4
votes
1answer
4k views

Does OSX support (importing) OpenVPN profiles?

Is there some way to import the settings of an OpenVPN client into the built-in VPN client in Mountain Lion? Or am I comparing apples to oranges?
4
votes
3answers
5k views

How to disable startup connection to a 'dead' server?

My mac (OsX 10.7) try to connect to a disabled server at startup. How to remove /delete this auto connection (that fail each time) ? Thanks
4
votes
4answers
7k views

nslookup works, ping and ssh don't - OS X Lion 10.7.3

In our local university network, I have (obtained by DHCP) the following setup in /etc/resolv.conf: search a.domain.com b.domain.com domain.com nameserver x.x.x.x nameserver y.y.y.y The settings ...
4
votes
2answers
1k views

Automatic network location in Lion

I'm looking for a Lion compatible application similar to AirportLocation that will automatically change the Network Location based on my current location. It's becoming a bigger and bigger pain to ...
4
votes
1answer
2k views

How do you set the TCP congestion control algorithm on OS X?

I would like to set the TCP congestion control algorithm to Westwood+. Is this possible in OS X?
4
votes
2answers
2k views

How do you cancel an automatic connection to a once joined wi-fi network on 10.7.4?

I wish to no longer log on automatically to a wi-fi network that I once logged on to access the internet. I have tried everything in the advanced tab of the Network preference panel to no avail: the ...
4
votes
3answers
6k views

Why doesn't my Macbook detect network after sleep?

every time that my 2007 macbook with lion goes to sleep, either manually (closing the lid) or timing out, i have to restart my computer to connect to the wireless network. It fails to detect any ...
4
votes
2answers
1k views

How to trick Mozy into thinking network share is local USB disk?

Mozy does not support networked mounted drives, but does support USB drives. I don't want to disconnect a drive I have on my linux server just to do the mozy backups, so can anyone think of a way I ...
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 ...
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 ...
4
votes
4answers
392 views

Is there a good way to distribute WPA2 keys within the 'enterprise'

Due to this whole cloud thing, we've started to end up with more and more macs within our enterprise network. And, like most enterprises, we've got an internal wireless network that we'd rather not ...
4
votes
2answers
508 views

Speeding up and improving directory listing from windows Servers?

When I connect to windows servers (called PC-servers in OS X) getting the list of files in a directory is really slow (20-30s) in comparison to using a windows machine (<1s). Sometimes the files in ...
4
votes
1answer
884 views

How to make MacBook automatically connect to different wifi networks as desired?

My main router is located in the living room and creates a wifi hotspot, call it X. I've created an additional wifi hotspot in my bedroom, call it Y, using two powerline adaptors. How do I make my ...
4
votes
1answer
2k views

How to determine what process has opened a network connection?

Whereas on Windows it's possible to use Netstat -b, which tells you what connections are open and what program has each one open, on the Mac it seems that Netstat does not allow this. Is there ...
4
votes
1answer
3k views

Is it possible to have per-app network/vpn/proxy settings

I have a few different applications on my Mac that ideally I would like to run with different network settings. One app for work I need to run over my work VPN, but at the same time, I have another ...
4
votes
1answer
2k views

Automatically Mount a Network Drive and Copy a File to a Network Folder (AppleScript)

I've a rather complex task to solve. I don't use OS X, but now I have to provide some colleagues with a simple application that automatically copies a certain file to a network folder. Normally I'd ...
4
votes
3answers
7k 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 ...
4
votes
8answers
4k views

Network switching issues with MacOS 10.7?

I'm having a weird problem and hope somebody can tip me, what way should I dig to. I'm using MacBookPro with Lion 10.7.3 both at my working place & at home. At working place, we have a ...
4
votes
3answers
972 views

Third party Skydrive client for Mac

Are there any third-party programs for Microsoft Skydrive (but for Mac)? Skydrive offers 25GB of free cloud storage. There is a third-party app for windows that can access Skydrive.
4
votes
3answers
1k views

Where did this new WiFi network with SSID 'SETUP' come from?

After setting up my router (Linksys WRT120N) and my wireless network, upon clicking on the wireless icon and selecting "Join Other Network..." a new network called SETUP shows up when clicking the ...
4
votes
1answer
2k views

What applications would be expected to setup a network interface “stf0” and “gif0”

I've recently noticed that I have the following network interfaces setup on my mac: Ethernet Airport Firewire vmnet1 vmnet8 gif0 stf0 Obviously Ethernet, Airport, and Firewire are enabled by ...
4
votes
3answers
1k views

Prevent Bonjour Announcements Over OpenVPN

We have an OpenVPN server at work, which I use frequently to access private work resources. When I do, the "Shared" listed in Finder populates with all the automatically announced servers/resources at ...
4
votes
1answer
80 views

When I tether a MacBook Pro to an iPhone/iPad, how can I restrict what apps use it?

I want to prevent Dropbox, Skydrive/OneDrive, and Google drive from syncing (for example) when my laptop is connected to my phone. In other words I'd only like to sync email, use VPN, and permit ...
4
votes
1answer
3k views

How to access wireless channel 13 and above from a US Mac Book Pro?

When traveling internationally and connecting to an 802.11g wireless network I'm unable to connect because non-US access points default to using channel 13 and up. From what I hear if the Mac Book Pro ...
4
votes
2answers
724 views

How would I prepend 127.0.0.1 as a nameserver all the time

I do web development and I would like to have dnsmasq running and handing my local dns requests. However I work in a lot of different networking scenarios and I need to DHCP updating my networking ...
4
votes
2answers
8k 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 ...
4
votes
1answer
2k views

Sharing Mac hard drive over the Internet to a PC

Similar question to this, but my other computer is a PC. (PC seeing external hard drive from the Mac over the Internet.) My external is formatted exFAT. Neither the Mac nor the PC have issues using ...
4
votes
1answer
18k views

How to configure 802.1X without a configuration file?

After upgrading to Lion, all my 802.1X configurations are gone. There also does not seem to be a possibility to configure them via the system preferences: It just tells me to get a configuration ...
4
votes
1answer
680 views

Is it possible to determine the model of an iOS device by its MAC address?

I'm starting to work on iOS apps at work, and I'm trying to determine the minimum version of iOS I'll need to support. We have a network registration system that gathers some basic information about ...
4
votes
4answers
2k views

Connect computers via ethernet rather than wireless

This is my current set-up: Wireless network, multiple macs connected, two of them are standing next to each other. As I want fast file transfer between those, I've got an ethernet cable between them. ...
4
votes
2answers
603 views

Simplest way to audit and monitor my home network and deal with intruders (while leaving it all open)

Please don't give me a suggestion that you haven't tried and approved yourself. Also please feel free so skip and not read anything below. I trust the title is already summing up pretty good. What ...
4
votes
1answer
1k views

Disable Airplay on Mac because of too many Airplay devices

I'd like to find a solution to my problem. I recently moved to a dorm of around 1100 students, and each one of these students has a mediabox that is also an Airplay device. Because of this, the ...
4
votes
1answer
61 views

Anything comparable to Windows' “Network Location” in MacOS?

This is my first Mac. On Windows I can set each network connection as either Home, Work or Public using "Network Location". Each mode has different sharing and security options. Is there a way to do ...
4
votes
2answers
302 views

How do I read the output of dns-sd?

When I run the dns-sd command, for example as dns-sd -B _services._dns-sd._udp. to list all the service types on my local network, I get a table that looks like: $ dns-sd -B _services._dns-sd._udp. ...
4
votes
1answer
99 views

How come Android finds lists Wi-Fi networks that OS X doesn't?

I have a MacBook Air with OS X 10.8.5 and a Samsung cell phone with Android. I use the Wi-Fi heavily on both (I travel a lot, and only use Wi-Fi when I'm out of the US) — often in cafes — and I rarely ...
4
votes
1answer
921 views

Backing up Time Machine sparsebundles to another server

So, a while ago I backed up a couple of different Macs to my Linux-based fileserver. As a network Time Machine, each Mac has a separate sparsebundle file containing all of its information. I've since ...
4
votes
1answer
947 views

Reverse SSH tunnel on the iPad

Is is possible to set up a reverse SSH tunnel on an iPad? I'd like to be to do basic nmap TCP scans and use some other tools that the iPad doesn't have on remote networks. So my idea is after I've ...
4
votes
1answer
909 views

OSX Network: “could not save because write access was not granted”

We have a really basic network of Macs here in our studio. We keep all our files on a machine running Leopard server, but we're all on Lion. The problem we're having is every single time we open a ...