Questions about configuring, troubleshooting or using connections that one device uses to talk to another.
5
votes
3answers
2k views
Which ports do the Messages (Beta) program for OS X use?
If someone has a list of the ports that Messages uses I would appreciate that answer here. Extra votes and thanks for providing a reference.
I have searched the knowledgebase and found this, but it ...
5
votes
3answers
2k 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 ...
5
votes
4answers
187 views
Recommendations for a good Bandwith Tracker on OS X
Is there a way I can track total bandwidth usage over the course of a month? My service provider requires me to stay within fairly strict limits.
5
votes
2answers
1k views
How can I use Wireshark on a MacBook Air?
I have a new MacBook Air. I would like to run Wireshark on it. But when I choose capture in Wireshark there is no interfaces to capture from. Doesn't Wireshark have support for the MacBook Air WiFi ...
5
votes
4answers
3k views
Apple TV works with my iPhone but not with my PC on the same wireless network
I have:
Windows 7 PC with latest version of iTunes connected to my network (wired). Windows Firewall is turned off.
Apple TV (2nd generation) connected to my network (wireless)
iPhone connected to ...
5
votes
2answers
3k views
What are “nwnode:” URLs, and why did Lion break them?
After installing OS X 10.7, Dropbox presented the following error upon loading: "URLs with the type "nwnode:" are not supported". I also got this error from Path Finder (although I don't know what I ...
5
votes
3answers
4k 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 ...
5
votes
2answers
860 views
Use a network Time Machine drive locally
I typically backup over a network to a networked hard drive on another machine. For some unknown reason, backups tend to get incredibly slow over the network (the first few backups work fine and ...
5
votes
3answers
2k views
Trouble browsing Windows network printers from Mac
In the "Add Printer" dialog Windows section, there are no printers showing up, even though there are several in the office.
I think this might be because my Mac is not "logged onto" the Windows ...
5
votes
3answers
2k views
How can I pair my Magic Trackpad with multiple Macs?
I have a Magic Trackpad that I'm using with my iMac.
Everything works great, but I would also like to use the trackpad with my MacBook.
For some reason, it seems that I can only pair the trackpad ...
5
votes
3answers
2k views
Time Capsule Interface List
Per my other question on monitoring network throughput, I now have a series of graphs, some of which are distinctly non-obvious as to what they are.
Is there documentation on what every interface on ...
5
votes
1answer
2k views
System proxy settings inaccessible by Java, Firefox, VMware Fusion, etc.?
I'm stuck on what appears to be an issue with the accessibility of system proxy settings by other programs. I came across this problem while trying (and failing) to run Processing-generated Java ...
5
votes
1answer
545 views
Mac renames itself automatically
I've got a handleful of macs (all with unique names) and on occasion it prompt a notice about saying another computer on the network as this name and adds a (2) or (3) to my mac. There are no other ...
5
votes
2answers
811 views
Internet Sharing failing on Mac OS X Lion Server
Before I upgraded to Lion Server, I was running 10.7.1
I setup Internet Sharing in the preferences
(Share from Ethernet 1 to Ethernet 2).
After the upgrade, sharing doesn't work unless I take the ...
5
votes
1answer
178 views
Resources for a Mac-only office
What are some good resources about running a small office (25 or so computers) with Mac computers only (though perhaps with a Windows or Linux/Unix file server)?
In other words, what information and ...
5
votes
3answers
677 views
Wifi drops when screen is locked
I have a Mid 2010 MPB, running 10.7.1.
Ever since I upgraded to Lion, I have noticed that wifi connections that require 802.1x authentication are dropping whenever I lock the screen. The connections ...
5
votes
1answer
1k views
Stop Finder/OSX From creating TemporaryItems and .apdisk on Network shares
I'm looking for some way to configure OSX to prevent it creating .apdisk files and .TemporaryItems folders on network shares.
These are created any time OSX accesses a shared folder on the network.
...
4
votes
4answers
5k views
How to find IP address of my other Mac?
I have two Macs on the same network, both plugged into my internet router. I have screen-sharing set up on one of them, so I can connect to it using command-K in the Finder with a vnc:// URL, and ...
4
votes
2answers
5k views
How can I release and renew my DHCP lease from Terminal?
From the Terminal, how can I release and renew my DHCP lease?
Currently, I'm doing the following for the wireless interface, but I'm wondering if there's a better way:
sudo ifconfig en1 down
sudo ...
4
votes
4answers
193 views
Can an iOS device be backed up to Google Drive?
I just found out today that Google is opening a cloud storage engine (a potential competitor to iCloud) called Google Drive, and I was wondering if there might be some way to backup your iOS device to ...
4
votes
2answers
353 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 ...
4
votes
2answers
167 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
289 views
What is the preferred method of command line domain name lookup (DNS)?
What command line command do I use to lookup a domain address?
When looking at the man pages for nslookup and dig I can see a section saying that these utilities do not use the Mac OS methods of ...
4
votes
2answers
3k views
Unexpected interfaces in ifconfig
In the middle of installing a tool called mrtg, I bailed out from a perl script to set various configuration parameters for use of snmp because it became clear that I had no idea what I was doing. I ...
4
votes
2answers
345 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
4answers
2k views
Gray file in finder
Is there any way to force Finder to refresh its in-use information for gray (inaccessible) files?
Details:
I move infrequently used files from my Mac (OS/X 10.6) to a Windows server 2008 file ...
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
2answers
80 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
2answers
809 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
1answer
159 views
What is the fastest connection between two MacBooks
What is the fastest way to connect two MacBooks? In my case I want to connect an MacBook Air (2011) with a Retina MacBookPro and use Screen Sharing.
Options I'm thinking of:
Thunderbolt/Ethernet ...
4
votes
2answers
7k 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
1answer
535 views
Change Network location from terminal
I have a two locations set up on my macBook. One for normal use and another for when I use a proxy, which I start from the command line. It would be very useful for me to be able to switch network ...
4
votes
3answers
4k 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
3answers
1k 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
2answers
452 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
8answers
2k 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
2answers
565 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? ...
4
votes
3answers
720 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
4answers
16k views
Will an Airport Express extend the Wi-Fi of another-non Apple Access Point?
My colleague has a cheap Cisco Access Point on another floor. The wireless is very spotty.
He is using a Mac Pro.
Will an Airport Express work to extend this network?
4
votes
2answers
667 views
“Accept incoming network connections” issue
Due to some graphic and/or code based changes, within programs like Dropbox, iTunes, jDownloader etc. (but mostly Java-based applications), the built-in firewall keeps asking for verification.
...
4
votes
4answers
1k 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
3answers
902 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
5answers
400 views
Is there a way to use different network connections for different apps
At work we have a firewall that prevents certain outbound connections. But I also have a Clear wireless personal hotspot. I would like to use the work connection for normal requests but for certain ...
4
votes
2answers
101 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
3k views
How to fix very slow server performance on OS X Lion?
I have a 2008 Mac Pro (MacPro3.1 -- dual 3 GHz quad-core Xeon, 6GB memory) running Lion (10.7.3) that I'm using for as a server for a business (files, print, media, etc.) as well as a development ...
4
votes
6answers
15k views
Wi-Fi has stopped working around the time 10.7.3 update. Might they be related?
I have a MacBook Air which was working fine. Now I have awful network issues since the 10.7.3 update.
My home router is a D-Link DIR-615. I was securing the Wi-Fi network using WEP which worked great ...
4
votes
3answers
4k views
Solution for Airprint with a router that is not Bonjour compatible
I'm trying to troubleshoot remotely for my mother and her iPad. I sent her a Canon Airprint-compatible printer which is visible/usable on her wireless network by a desktop PC and a netbook, but not ...
4
votes
1answer
285 views
How do I monitor bandwidth use of specific websites?
I'm using Chrome on SnowLeopard. I use the www a lot. I want to monitor how much bandwidth I use for all SE sites in one month. I don't care how much bandwidth is used on any other website.
What ...
4
votes
1answer
562 views
Is fast user switching in Lion disabling the network connection for the accounts that aren't active?
With 10.6, I routinely had two accounts logged into the Mac while I was working - my personal and my work account. I switched between them as needed and this worked fine. For example, if I had an IM ...
4
votes
4answers
1k views
Is it possible to connect automatically to a server on login without an opened window?
I know how to have the connection established at login, but I don't know if it's possible that the Finder doesn't open a window of the server root...
I've tried the "Hide" checkbox, but this doesn't ...
