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

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1answer
102 views

Cannot get postfix to listen on wifi interface (en1)

I have a Mac running 10.8.4 which I am using as a server which is only connected to my network via Wifi (en1), however I cannot get the stock postfix process to listen on en1. I have tried a variety ...
0
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0answers
242 views

Remote Desktop Disconnects WiFi

I have a Mac Mini running OSX 10.7.5, on which I have enabled "Screen Sharing", with password. I have a laptop running Windows 7, with UltraVNC Viewer. When entering my credentials, it says ...
1
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0answers
81 views

How to avoid OS X halting when network drives are not connected

I have set up an AFP drive to be automounted, using the Login Items pane of Users & Groups. But when I now have used my Macbook extensively without any connectivity, I find that a lot of apps wait ...
0
votes
1answer
474 views

Cannot Connect to internal IP addresses

My OSX 10.8 machine can no longer reach several machines on my home network's internal IP range. For example, I have an internal server which is also NAT'd through the router to accept SSH. The ...
3
votes
4answers
3k views

Wi-Fi Diagnostics app not found

After reading this CNet article I was pretty excited to have a tool that monitors my wireless network since I'm in the process of setting it up well. Wi-fi Diagnostics is said to be in the ...
0
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1answer
47 views

how to route traffic to other computer via firewire, everything else via wifi

I have two macbook pros connected via firewire. Both are also connected to wifi. How can I check that traffic between the two computers is going preferentially via firewire, but everything else goes ...
1
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0answers
41 views

Mountpoint for networked volumes

Is possibly to achieve to mounting the network volumes as /Volumes/machine/share_name instead of the default /Volumes/share_name So, when a machine "marvin" has two shares ("home" and "u"), ...
0
votes
2answers
728 views

iPad keeps disconnecting from ad-hoc networks

I have a computer with Internet connection via Ethernet, it is Wi-fi capable so in order to share the Internet connection I had set up an ad-hoc network. It works fine with other computers, but if ...
3
votes
2answers
235 views

Local DNS circumvented when WiFi is active

I am using Mac OS X 10.8 to connect to two networks through ethernet and wifi and I am experiencing a problem with local DNS resolution. I would really appreciate your advice. I am simultaneously ...
1
vote
1answer
500 views

Disable loopback interface lo0 on 10.8.4?

For testing purposes (testing raw network speed over a number of cables) i have equippped my Mac Book pro with a Thunderbolt to Gigabit Ethernet Adapter besides the built-in gigabit ethernet ...
1
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1answer
357 views

Find out type of VPN connections in network preference

I have a VPN connection in my system preference but I don't remember type of this connection (PPTP, IPSec etc). How do I find this out?
1
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2answers
1k views

Lion resolving DNS names when querying server directly, but not when used in a command or app

I've recently (as in minutes ago) added a hostname and reverse (A and PTR) records for a hostname on my internal network, using a Bind DNS server. For some reason, i can both dig and nslookup this new ...
0
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1answer
160 views

Is there a way to configure OSX to auto mount and SMB share without entering a user and password into the configuration file?

I've found instructions on how to auto mount an SMB share, but they either involve adding the share to the login items (I'm using a laptop and that gives me an error when I'm not in the same network ...
2
votes
1answer
69 views

Shared folder with same name

On our network we have 2 network drives both with a folder named 'Shared', //driveA/Shared and //driveB/Shared. When someone connects to //driveA/Shared, then connects to //driveB/Shared, the ...
2
votes
1answer
769 views

Two Airport Expresses extending the same network and a weekly password rotation?

I just installed two Airport Express routers in a restaurant to improve their wifi coverage. The first device (AE1) is connected to the restaurant's DSL router via ethernet, and the second device ...
0
votes
1answer
893 views

10.6.8. Can't connect to server via cmd+k or Finder menu or command line. How to connected?

My biggest problem is: cmd ⌘K (Connect to Server…) just doesn't work (neither does it exist in the "Go" menu in Finder). When I hit cmd ⌘K in Finder it just gives me an error beep (sounds more like a ...
2
votes
3answers
44 views

How can I easily share clippings across platforms and networks?

I have to use a Windows PC at work, but I often bring my MacBook Air so I can get work done that is hard or inefficient to perform on Windows. I am not allowed to connect my Mac to the corporate ...
0
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1answer
282 views

Can I route add automatically when a network interface is added?

Every morning, I connect my MacBook to my company network with the Apple USB Ethernet Adapter: Then open the Terminal to add routes in order to access intranet servers: $ sudo route add -net ...
1
vote
1answer
451 views

'Always Trust' wifi network not working

This is more of an annoyance than anything...I have a MacBook Pro (latest Retina 15") and a Mac mini (latest model) both running Mac OS 10.8.4 and whenever I connect to my company's wifi network, I ...
0
votes
1answer
58 views

Run a program without networking?

Is there a way to run a program on OS X (e.g., from the command line) but without letting it see the network? I can turn off and disconnect all networking, but then all my other processes will be ...
0
votes
1answer
123 views

Airport Express and AirPlay

I'd like to set up an AirPort express connected to a HiFi as an airplay receiver, acting as a device on a wireless network. At some point in the future, I'd like to extend my wired network to the ...
1
vote
1answer
663 views

Cannot configure Airport Extreme dual band [closed]

I've had this Airport Extreme for about three years. Recently I moved into a new house with a new internet service. It connected to the CenturyLink router (Actiontec C1000A) in bridged mode and worked ...
4
votes
1answer
701 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 ...
1
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0answers
80 views

Mountain Lion Internet connectivity issue

I am system admin for my department I have recently updated all machines to Mountain lion and I am now getting reports of connection problems , the users lose their connection to the internet yet i ...
2
votes
1answer
1k views

Why browsers ignores /etc/hosts behind a SOCKS proxy?

My MacBook in office does not have internet access. So I set up an instant SOCKS Proxy over SSH to surf the web. However, when I try to add an entry to /etc/hosts, the browser does not go to the site ...
1
vote
1answer
2k views

Why doesn't my VPN work with my new Mac?

I used Migration Assistant / Setup Assistant to copy everything from an old Mac to a new one, both running 10.8.4. My VPN connection uses the built-in OpenVPN client, via the Network pane in System ...
6
votes
2answers
25k 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?
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2answers
34 views

Determining currently used NIC on CLI

I do a lot of work on Virtual Machines, and have several scripts to help me configure them quickly. I could fully automate spinning up a headless VM, except that I need to know the IP of my host ...
1
vote
1answer
224 views

Can the Airport Express base station be extended?

I'm thinking of replacing my home router (an older D-Link box) with the latest gen Airport Express base station. I currently have an older Airport Express unit (like this) that I want to use in ...
1
vote
1answer
74 views

Is there a tool to auto-restore network shares?

I log on to my work VPN very infrequently. Whenever I do that, I have to painfully re-connect manually to all the network shares I use there. Is there a tool (preferably with a UI) that can help me ...
0
votes
1answer
458 views

Web access via Ethernet broken but Airport to same router works fine

I've seen lots of questions asking what to do when Ethernet works and Wi-Fi doesn't, but I seem to have the opposite problem. System details are as follows: 2009 Mac Mini (Intel Core Duo) OS X ...
2
votes
2answers
2k views

How to troubleshoot 802.11ac bandwidth problems

I have a new Macbook Air with 802.11ac, and a new Airport Extreme with 802.11ac. I'm trying to transfer a large file across my LAN (I have a network drive attached to network via wired ethernet). If ...
0
votes
1answer
58 views

using OSX server in conjunction with Windows server

We have a mixed shop, about 60% windows and 40% mac. The Mac users use the Windows server for sharing files with all users and for access to the internet. I would like to have a mac server for ...
1
vote
3answers
365 views

How to obtain the external IPv4 address via Terminal

I'm trying to figure out how to obtain my external IP (IPv4) via Terminal without connecting to a remote website or service. Here's what I've found so far - these all use remote/external checking: ...
1
vote
2answers
605 views

How to use two internet connections independently

I have two internet connections, the one is high speed and I connect to through WiFi and the other is a slow PPPoE connection. I have a 5 gig cap for the WiFi connection and a 20 gig cap for the PPPoE ...
-1
votes
1answer
281 views

Airport express and Airport utility

I moved and had to change my network. After juggling for reconfiguring my airport express station, I found out it was impossible to connect to them, even after a factory reset : they just would NOT ...
2
votes
0answers
329 views

How to resolve netbios names with osx

Hi I'm new to osx and trying to resolve the netbios name of a windows machine. When I try to ping it I get the error cannot resolve hostname. When I use the command smbutil lookup %hostname% it will ...
2
votes
1answer
10k views

How to Assign Static IP Address to iPad?

I have been having a problem with the wifi connection on my iPad. After much research online, I have narrowed it down to an ip address lease renewal bug. The iPad drops connection when the ip address ...
3
votes
1answer
1k views

Confounded by permissions problem on NFS share

I'm setting up an NFS server (Ubuntu) to serve files to several Macs (10.7). The way it's set up, I can log in from any Linux client and read/write over NFS exactly as expected. (I've set up ACL ...
2
votes
1answer
353 views

What Could Cause the Ethernet to not Connect to Internet, Yet Connect to Devices on Network

This has been my problem for about 6 months. On my 2011 MBP, if I connect a working ethernet cable to my ethernet port, it will either do nothing or my internet connection will die totally, even when ...
0
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1answer
32 views

how to access system files such as network libraries?

I am trying to find some algorithms about the implementation of network stack for Mac OS X, can I access the actual codes from the operating system itself. Any suggestions are very much appreciated. ...
1
vote
0answers
431 views

VPN in OSX is ignoring the subnet mask from DHCP

We've set up a VPN in our office, and are having problems connecting the native VPN client in OSX. Our DHCP subnet mask is 255.128.0.0, but when we check the connection in ifconfig it reports as ...
4
votes
4answers
4k views

Why is Safari ignoring my /etc/hosts file?

I added some domains to block (127.0.0.1 mydomain.com) to my /etc/hosts file and for some reason, Safari seems to be ignoring them. I have tried disabling Safari extensions, clearing the cache (sudo ...
3
votes
6answers
4k views

Is there an app available from the App Store (iOS) to find out the LAN speed?

I'm trying to see if it would be worthwhile to upgrade my PC computer to a 5 GHz wireless adapter. The only device I own that is capable of using the 5 GHz band is my iPad. So, I'm trying to see if ...
0
votes
0answers
84 views

Mac lost internet connection on upload

I have a strange issue which is driving me crazy...When uploading files (in my case its to Flickr) after a few uploads my internet connection kinda fades away :S Cannot open any web page. It looks I ...
1
vote
2answers
857 views

Airport Express Base Stations as Bridge

I have two Apple A1264 Airport Express Base Stations. I acquired them from a client I did some work for awhile back who gave me some Apple hardware that he wasn't using anymore as payment since they ...
1
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0answers
28 views

Enforcing firewall (native or 3rd-party)

We're currently doing PCI compliance, and one of the requirements is that mobile devices that have access to systems involved in processing card data have personal firewall software installed which ...
2
votes
1answer
219 views

How to prevent sending of hostname via DHCP?

I am trying to prevent OS X from sending its hostname to the DHCP server. For example, in OpenSuse systems there is DHCLIENT_HOSTNAME_OPTION="AUTO". I cannot find a similar option in OS X for this, ...
0
votes
1answer
338 views

Airport express with double NAT is super slow

We have a satellite modem which will hand out a single IP address via DHCP. We're unable to make changes to this modem. We want to share the network connection to a PC with ethernet and wirelessly to ...
1
vote
4answers
6k views

Sluggish performance with Airport gear on 5 GHz

I've a network that is powered by an Airport Extreme and extended by an Airport Express. My Airport Extreme broadcasts 5 GHz and 2.4 GHz channels separately. 2.4 GHz operates on channel 4 and 5 GHz ...