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

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2
votes
1answer
2k views

IP address changing too frequently

My Macbook pro is connected to my router over the AirPort. The IP address it gets changes every few hours. Is there a way on the mac to request the same address. I do not have access to the router to ...
71
votes
8answers
42k 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 ...
0
votes
3answers
2k views

can't run GlassFish because something is using port 8080; but how to find it?

I develop on Mac (Lion) with Eclipse and GlassFish 3.1. GlassFish uses ports 8080 and 4848. Suddenly, when I try to launch GlassFish it tells me it can't because there's a port conflict. As far as I ...
2
votes
3answers
233 views

Suggest a Mac Notifications app with cloud sync to an accompanying iPhone app?

I'm looking for an app in which I can write down a quick message for myself on the Mac that can later pop up on my iPhone and remind me via a push notification. I'm not looking for a full-featured ...
2
votes
1answer
816 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
1answer
9k views

Can my Time Capsule assign an IP address based on client's MAC address?

I need for the machines in my LAN to have static (by which I mean constant) private IP addresses. Is it possible to configure the Time Capsule to assign IP address based on MAC address, so the hosts ...
2
votes
1answer
748 views

Home Directory to NAS

How can I store my home directory to a NAS device? I go to System Preferences ->Accounts ->CTRL Click "My Account" -> Advanced Options... What do I enter in the Home Directory field to accomplish ...
1
vote
1answer
1k views

Proxy username and password not remembered in system preferences

I am trying to set a username and password for my http proxy in the network panel in system preferences, I select the "Proxy server requires password" checkbox, enter a username and password and click ...
4
votes
2answers
225 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 ...
1
vote
3answers
695 views

Directing specific apps to use different network connections than other apps

Let's say that I have an iMac with a wired Ethernet connection and a WiFi connection at same time, on two separated LAN. Is this possible to ask Firefox to use the WiFi and Safari to use the Ethernet ...
3
votes
5answers
1k views

Set default printer for each location

Is there a way I can set a different default printer for each network location?
0
votes
2answers
201 views

How can I fix my Mac-Router-Mac network?

My network is amazing slow, and my question is what can I do about it. I have done the following analysis: Transfer from MacBookPro -> Router -> Mac Mini Intel Core 1 264,3 MB = 2114, MBit in 432 ...
12
votes
4answers
11k 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 ...
0
votes
1answer
193 views

Sharing Internet with Mac and Buffalo WHR-HP-G54?

I have enabled internet sharing with ethernet. I try to share the internet with "automatic DHCP" to my Buffalo. I can access the buffalo but I am unable to share the internet from mac to buffalo and ...
2
votes
2answers
2k views

Set up OSX to act as router via Internet Sharing

I have the following network setup: LAN====OSX++++Machine A + + ++++++Machine B OSX is currently sharing an ethernet connection with A and B via an ad-hoc wireless network. ...
0
votes
1answer
829 views

Directories being shared without being on the file sharing list

I'm having an issue with file sharing in Lion using the default system pref pane. Although the list shows no share points, i can see that my home folder, and Macintosh HD are being shared, despite my ...
1
vote
1answer
1k views

Constant Firewall Messages in Console: How can I find the source?

I constantly see messages in Console (coming from /var/log/appfirewall.log) that look like this: Aug 21 08:08:39 silverscreen Firewall[97]: Stealth Mode connection attempt to UDP 10.0.1.11:8612 from ...
1
vote
3answers
795 views

Connect a desktop PC wirelessly to a home network via Airport Express

I have a desktop computer with a non-Mac OS (it currently runs Windows XP Home Edition, but I'm about to replace/add Ubuntu) which I can't connect to my home network (again, the router is not a Mac ...
2
votes
1answer
341 views

Help mac share files with XP machine on different subnets

I have a personal Macbook running Lion (10.7.1) and a Company issued laptop running XP at work. I want to access the files on the mac from XP on a regular basis. Right now using "sneaker net", i.e. ...
1
vote
1answer
846 views

Wireless stalling: TXQ MAX DEPTH?

Got a brand new iMac 27" Mid 2011 - Core i5 and when backing up data from old iMac, through the wireless, the network stall and then stops, after some minutes it restart. Got this problem several ...
0
votes
1answer
4k views

Is there any software like 'Network Magic' for Mac?

I really like Cisco's 'Network Magic' software; but the site says they no longer support Mac.. Does anyone know of any software like it, that is supported on Mac?
1
vote
1answer
557 views

What could be stopping my WiFi printer from working?

My iMac suddenly stopped recognising my HP OfficeJet 6500 printer over the wireless network. Previously, it worked fine for years. It works with USB, and the printer connects to the router without a ...
1
vote
2answers
2k views

Not able to Ping to MacBooks?

Recently while troubleshooting some network issues, we figured out we are not able to ping any of our 85+ MacBook Pros. On further analysis we checked and confirmed firewall is not enabled on any of ...
4
votes
1answer
745 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 ...
2
votes
3answers
1k views

How do I send files from one Mac to another via Terminal?

Is there a way to send a file in Terminal from one Mac to another? If I have a file on Mac A and I want to send it to Mac B via Terminal on Mac A, how do I do this?
0
votes
1answer
3k views

I can't access the Mac App Store, iTunes, or Software Update on Lion

I updated from Snow Leopard 10.6.8 to Lion. The OS update process was all right. I can access the Internet by Firefox, but Safari. I think my network is all right. So, I can access the internet from ...
0
votes
3answers
553 views

External monitor over the air with Macbook

I have purchased a second-hand MacBook (13 inch, white) which is quite cool. Now i want to connect it to my external monitor and i have got a Mini-DVI-to-DVI cable from a friend of mine: However, ...
17
votes
6answers
258k 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 ...
1
vote
1answer
326 views

Can I connect to a L2TP/IPSec VPN linux server using a Snow Leopard client?

Do I need any special software? What should I do to connect to a L2TP/IPSec VPN?
6
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 ...
2
votes
3answers
11k views

NFS, AFP, SMB… Advantages and drawbacks on a Mac OS system

Struggling to fix several issues since I switched to Lion (see here and there), I came across several ways of connecting network shares to my MBP: NFS, AFP, SMB, CIFS (maybe others). What are the ...
1
vote
2answers
9k views

Unable to mount an NFS share

I'm trying to access my (Synology) NAS share through NFS and always get the same issue. First, I activated NFS support in my NAS: Then I set the permissions on the NAS: My MBP has the IP ...
1
vote
0answers
713 views

Random disconnection from Wi-Fi Network, usually after inactivity

My iPhone is jailbroken. Even though I'm not completely sure, I think it used to do this even before I installed the jailbreak. Every time I pick up my iPhone after not using it for some time ...
0
votes
2answers
773 views

Where are all these ipfw rules coming from?

Any attempt to connect to a server over port 143 is blocked by the OS. I've verified it's not my connection; other computers on the network can see the port just fine. I've replicated the problem on a ...
2
votes
3answers
7k views

How should I set up the firewall and DHCP with an AirPort Extreme and Lion Server?

I'm trying to set up a network using an AirPort Extreme as a router (connected to the WAN on one end and the LAN on the other). I understand that out of the box I will have a hardware firewall, and ...
1
vote
1answer
2k views

How to stop OS X Lion automatically asking me to join a network

I'm on a school network so I have to sign in before I can use the internet. Before in OS X 10.6 it would just connect me to the network and let me signin on my own. Which I made a script to login for ...
3
votes
2answers
165 views

How do I whitelist hosts when using 3G?

When I'm on the move I want to tether to my phone to access a few essentials (telnet, ssh, IM, a few low bandwidth websites). What I don't want is for a load of background processes like Software ...
1
vote
1answer
346 views

Snow Leopard running Fusion has virtual ports invisible to wireshark

Win XP SP3 in fusion can surf the net through the mac's airport in either bridged or nat mode fine. the mac has a static ip. the windows is set to dhcp. ifconfig on the mac shows en1: inet ...
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 ...
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 ...
2
votes
2answers
33k views

How to change the default gateway of a Mac OSX machine

I am familiar with the route add default gw command in Linux to add a default gateway, but this doesnt work on Mac OS. I cant find any appropriate example in the route manual. Can anyone help me the ...
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) ...
0
votes
2answers
3k views

How can I make Time Machine work with my Netgear WNDR3700 router?

The story is this: I just upgraded to Mac OS Lion and as it turns out it won't work with my Samba share in the way Snow Leopard used to, for TimeMachine backups. After a bit of Googling I found that ...
2
votes
3answers
3k views

Replacing AirPort card on my Macbook

I have a White MacBook model 3,1 (bought in 2007). My AirPort card seems to be busted. It has trouble picking up WiFi from a transmitter that is more than one meter away. I know it's not an OS issue ...
0
votes
1answer
597 views

Using a virtual machine as a network tap on a mac server

hoping for the virtual machine to be a 'network tap'. configuration is an intel mac with an airport card and several usb nics. The airport card is for connectivity to the internet. the usb nics ...
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 ...
8
votes
2answers
29k 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 ...
0
votes
1answer
76 views

accidentally set my main folder as shared in public place

I just figured my main folder under my user and everything in it was shared. Is there a log on my computer that checks whether someone downloaded from my computer? I remember there was somebody else ...
1
vote
2answers
2k views

How to monitor which apps are "calling home'?

I want to monitor one app on my phone to see what webservice it is accessing when it first launches. I remember seeing an article on TUAW a while ago that detailed using Charles snooper, or something ...
1
vote
3answers
12k views

Macs on wireless network can't see eachother

I've got an iMac and Macbook Pro, both running Snow Leopard and both on my home wireless network (running off a Linksys E2000). They both can get online fine, both have file sharing enabled, neither ...