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

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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 ...
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 ...
3
votes
2answers
10k views

Access disk attached to Airport Extreme over internet?

According to Apple's product page, the Airport Extreme... "...can turn your external USB hard drive into a secure drive you can share across your Wi‑Fi network and access securely over the ...
3
votes
3answers
2k views

How to stop InternetSharing overwriting /etc/bootpd.plist

I set up a /etc/bootpd.plist so as to protect my wireless network, and to manage statically attributed IP addresses. Unfortunatly, when I start InternetSharing, this file is overwritten by a plist ...
3
votes
3answers
4k 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 ...
12
votes
1answer
29k views

Should I block incoming connections from “netbiosd”?

My (application) firewall settings are configured to block incoming connections from netbiosd. I don't recall setting this myself, and wonder what the consequences are. What are the consequences of ...
11
votes
2answers
5k 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
25k 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 ...
7
votes
3answers
26k views

Since upgrading to OS X Mavericks, I can't open any files on a SMB share from my Windows 8.1 PC

I have a PC with Windows 8.1 and a Mac with Mavericks. I have a folder on the Mac that is shared with the PC. When I'm on the PC and I try to open a file that is shared by the Mac, such as an ISO file ...
7
votes
5answers
1k 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 ...
7
votes
3answers
8k views

Why is my host name wrong at the Terminal prompt when connected to a public WiFi network?

For three days straight, I have connected to the public WiFi network at my local library. Each day, I have seen a different prompt in Terminal. Here are some of the prompts I've seen: zp-pc:~ ...
7
votes
5answers
76k views

Share iPhone WIFI with computer over USB?

Due to a water leakage, we had to move offices temporarily. In our temp offices, we have WIFI network, but not cabled network (yet). Since my computer doesn't have WIFI (it's a stationary desktop) I ...
6
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
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
752 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
9k 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
59 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 ...
1
vote
1answer
962 views

automount NFS when on specific wifi

I'd like to be able to mount an nfs NAS mount point whenever I connect to my home network and initiate an rsync to it. I saw the post for "How can I automount afp volumes at startup? ", although there ...
8
votes
3answers
7k views

My Mac mini's computer name keeps changing when it resumes from sleep

When I wake my Mac mini from sleep, it occasionally comes up with a dialog saying "The name of your computer "whatever" is already in use on this network. The name has been changed to "whatever (1)"" ...
7
votes
5answers
7k 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 ...
7
votes
4answers
3k views

How can I get the exact URLs/requests that a program is trying to connect to?

I currently use Little Snitch to control network traffic on my Macbook Pro, and see what my apps are connecting to. Unfortunately, Little Snitch only shows you the hostname that an app is connecting ...
7
votes
1answer
2k 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 ...
7
votes
2answers
769 views

“Mount” network share as a volume via SSH?

There is a remote server that I can connect to only via SSH, and storage space have been allocated for me in that server. Is there a software that lets me "mount" a network share via SSH so that I ...
7
votes
2answers
3k views

Turn Wifi Off via command line

I'm sharing my internet in work and forgot to turn it off! Does anyone know how I can do it via the command line? I have SSH access but thats it. D'oh.
6
votes
2answers
2k views

Internet Sharing handing out wrong DNS server address

I'm using a MacBook Pro with OS X Mavericks 10.9.2. It connects to the internet via a USB 3G dongle, and I want to share that internet connection via wifi. However, on devices that connect to the ...
6
votes
5answers
4k views

Why doesn't Airport reconnect after sleep or shutdown?

I have a MacBook Pro (2.4 GHz Core 2 Duo, running OS X 10.6.8) that does not reconnect to its stored WiFi network after it restarts or goes to sleep. To reconnect, I need to go into System Preferences ...
5
votes
3answers
3k views

How to add some additional DNS search domains without ignoring the DHCP ones?

I just want to add my own list of Search Domains but without overriding the ones returned by the DHCP? As anyone would imagine I already tried to add them to Network > Advanced > DNS but adding them ...
5
votes
1answer
2k views

How does Back To My Mac work without UPnP or NAT-PMP?

Back To My Mac (BTMM) used to require UPnP or NAT-PMP on your router to work, but at some point this changed and it can work (albeit slowly) without those. BTMM (usually?) works by setting up an ...
5
votes
4answers
5k 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 ...
4
votes
6answers
16k 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 ...
3
votes
1answer
8k views

What is the connector used by the MBA's SATA drive?

I wonder what kind of connector is used in the latest MacBook Air for the SATA drive. SATA Express? When I first saw the gumstick SSD drive I thought it was using a SATA Express connector. But when ...
3
votes
4answers
15k views

Lion won't give out DHCP addresses with Internet Sharing

Lion doesn't seem to be giving out DHCP addresses when I turn on Internet Sharing. My firewall is off, I create a shared network with no security sharing ethernet->wifi. In Network Preferences the ...
2
votes
1answer
116 views

Wifi doesn't work unless I cycle it off then on again coming off of sleep

I have a Macbook Pro Retina, 15in, and I have the above issue. In a related question (Wifi doesn't work unless I turn it off then on again) a user commented: For as long as I can remember, ...
2
votes
2answers
3k 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 ...
2
votes
2answers
5k views

Time Machine from networked Mac?

Is it at all possible to setup Time Machine so that it backs up to a disk image on my external Mac? Here's my setup: My MBA which will be backed up MBP which is connected to the wireless network ...
2
votes
1answer
2k 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 ...
2
votes
1answer
787 views

OS X assumes hostname of other network computer: how to prevent this?

I just came across a strange quirck: I use my MacBook Pro in the office. Every computer is assigned their IP addresses by a DHCP server. It seems to be the case now, however, that my OS X changed my ...
2
votes
5answers
576 views

How to view network traffic in and out of a machine?

Looking for something like wireshark - a nice UI for monitoring network traffic in and out of a development machine.
1
vote
2answers
543 views

How can I write an AppleScript which when run will connect to a specific WIFI network if available?

The title pretty much sums it up. I want to avoid having to use the trackpad to connect to certain networks. This comes up often when a new network becomes available but I'm already connected to ...
1
vote
1answer
4k views

No internet access on MacBook Air, though I can connect to networks

(Edited after rebooting everything again.) I'm unable to get my MacBook Air (mid-2011 model, running OS X Lion 10.7.4) connected to the internet. I've tried to get online through tethering both an ...
1
vote
3answers
159 views

Is there a free program for easily managing network locations?

I move around from the office and elsewhere quite a lot. When I'm in the office, I need a static IP, elsewhere I don't. I have network locations set up, but it's extremely tedious opening up Network ...
1
vote
1answer
6k views

Enhance Wifi range on a TimeCapsule

I previously had a DLink modem-router (DSL-2740B). I replaced it with a small ADSL D-Link modem and a TimeCapsule. While I'm quite happy with it, the main and only criticism I could make is the loss I ...
0
votes
1answer
363 views

how to get shell scripts to run at startup on Yosemite

There is a directory in System/Library for startup items I presume: StartupItems I need to have a shell script that will configure ethernet interface at start up, with local network address and ...
0
votes
1answer
2k views

Unable to communicate with secure web proxy on iOS 8

I am attempting to connect to a web proxy server using the Charles proxy application installed on Windows. I have two iPhones - a 5 running iOS 8.0.2 and a 4 running iOS 7.1.2. I have used both of ...
0
votes
1answer
392 views

How do I share my Internet connection with another MacBook via WLAN?

My MacBook is connected to Internet. I want to share this connection with another MacBook via WLAN. How do I achieve that?
6
votes
6answers
24k views

What OS X signal strength test apps exist to measure Wi-Fi networking?

Is there a way I can get more details on the strength of my Wi-Fi signal? I'm looking for either an app I can download or a system command that I can run in terminal that will expose the noise of ...
5
votes
4answers
4k 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
2answers
4k 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
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 ...
3
votes
2answers
2k views

Redirect traffic using PF along with Internet Sharing

The short version: How do I redirect all traffic from en2 port 80/443 to 127.0.0.1:8080 when I have enabled Internet Sharing in OS X Mountain Lion (10.8)? Some background: I am doing a master ...