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

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3
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0answers
2k 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 ...
3
votes
0answers
839 views

Local networking: File sharing permissions over AFP

I am having trouble getting read/write file sharing working over my local network. I have shared a folder via AFP, named 'Pictures', with a specific user through System Preferences > Sharing. By ...
2
votes
0answers
27 views

SSH to device via USB

When I try to SSH over USB to my device running linux, I get "ssh: connect to host 10.90.1.2 port 22: Network is unreachable" Mind you, I can run the same command "ssh root@10.90.1.2" on my linux ...
2
votes
0answers
98 views

Apple Remote for iPhone won't discover iTunes library without network gateway to internet enabled

This may be a networking question as much as an Apple-specific question; however it's directly related to configuration / behaviour of Apple Remote, so hoping to find an answer here. My goal: Build a ...
2
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0answers
175 views

Configure HTTPS proxy on iPad

I have a secure login page on my localhost. In my network settings on the iPad I can only change HTTP proxy setting to access insecure pages in localhost. I have configured it this way: Server: ...
2
votes
0answers
65 views

Connection through telnet only works in safe mode

I'm running Xamarin's iOS Build Host app on my machine. It uses telnet on port 5000 to allow connections to it. Suddenly, this connection no longer works. telnet localhost 5000 HELO returns ...
2
votes
0answers
21 views

Apple File Sharing crashes every night at 11:37pm

I have this extremely strange and odd thing happening to me. I have an iMac - mid 2011 model with mavericks installed. It has file sharing setup with SMB disabled so that my MacBook Pro can connect ...
2
votes
0answers
357 views

Adding a third Airport Express causes dramatic network slow down

When TWO AirPort Express are on everything works as expected, strong and fast wifi everywhere, music streams fine. But when a THIRD AirPort Express is on, the wifi slows down to about 100k/s This is ...
2
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0answers
58 views

Does OS X support AnyIP?

I would like to assign a complete block to my mac as described in this question: Can I bind a (large) block of addresses to an interface? There it is explained that AnyIP is supported for IPv6 by the ...
2
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0answers
37 views

Apple 2 network connection says Selected Appletalk Connection can't be found

Apple ii is setup for ethernet with addon card. Link light is green, however I cannot ping google. It's setup for 10 Base T and used to connect just fine. I powered cycled my modem one day, and after ...
2
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0answers
234 views

Thunderbolt bridged with ethernet gives poor performance

I have both iMac and MBP, so I thought it might be a good idea to connect MBP to office network through iMac with thunderbolt bridge. The setup is quite simple: office server <- 1GbE -> cisco ...
2
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0answers
83 views

Windows 7 can't connect to Snow Leopard via Bluetooth PAN internet sharing?

I'm trying to connect Windows 7 to Snow Leopard via Bluetooth PAN but it doesn't seem to detect the Bluetooth PAN capability of the mac. It only allows transferring of files, and using it as a ...
2
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0answers
39 views

Block external storage for a user account

I am doing a proposal for new network where the Macs will be networked, OS X Mavericks + server app Is there any solution to disable external storage USB/Thunderbolt/Firewire/CD/ Bluetooth? ...
2
votes
0answers
144 views

Is there any way to tweak or modify AFP to increase transfer speed?

I have a Mac Mini, MacBook Pro and Synology DS213 connected to a gigabit switch via cat6 cables. When I enable AFP on the DS213, I get ~60mbpsUP and ~700mbpsDOWN when accessing it from Mac Mini and ...
2
votes
0answers
96 views

OSX takes several attempts to connect to internet over WiFi

When I start my mac my WiFi connects to my router as normal, however it never has an internet connection. I'm connected to my rounter and can log in to it I just don't have an active internet ...
2
votes
0answers
630 views

iPad Chromecast app cannot find existing Chromecast

I just installed the Chromecast app on my iPad (2). The iPad is running 6.1.3 (or whatever; it says it's up-to-date). I've also got a Chromecast that works fine from my Android phone, my Nexus 7 ...
2
votes
0answers
89 views

Added website with a subdomain on Mountain Lion server couldn't be found on other machines

My server is accessible via example.com and I want my website to be accessed via sub.example.com. I added a website to Mountain Lion server with domain name that's actually a subdomain; ...
2
votes
0answers
895 views

Issuing connecting to AFP shares - “(Error) Volume: Root store set to FSOnly with matching create!”

I'm having an issue connecting to my AFP shares on my unRAID server. After a couple of days of troubleshooting, I've narrowed down the issue to my Macbook and not the unRAID server. I am able to ...
2
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0answers
326 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
0answers
201 views

change MAC address in USB device

I'm trying to change the MAC on a USB wifi device. The usual way of doing it does nothing... sudo ifconfig en4 ether 11:22:33:44:55:66 After doing the command there are no errors, but the MAC stays ...
2
votes
0answers
106 views

“df” command making network requests?

I was watching Little Snitch for another process, and noticed df was making requests to various servers. I thought df was only for checking free disk space locally, but it appears to be doing more ...
2
votes
0answers
701 views

Enable Internet Sharing over Bluetooth PAN

I'm trying to share my MacBook Pro's internet connection with my iPad over Bluetooth. The MacBook is running Snow Leopard. On the Sharing preference page, I can select Ethernet as the source, but ...
2
votes
0answers
500 views

How to fix 10.8 internet sharing resulting in poor file sharing performance and no Time Machine server?

TL;DR - File sharing performance is extremely poor on a Mac Pro running 10.8.2 with file sharing enabled. Using it as a Time Machine server also no longer works in this setup. I have been ...
2
votes
0answers
54 views

Renew for OpenAFS does not work

I use OSX 10.8.2 and OpenAFS 1.6.1a. Even I have checked "Enable auto-renew", the ticket allways expires. My settings: Seconds before expire to renew: 4000 Ticket renewal check frequency: 3600 In ...
2
votes
0answers
466 views

Can't see AirPlay speakers/Airport Express if ethernet is plugged in

When my Windows laptop is connected to my network via Wi-Fi only, I can see and play to various AirPlay speakers in my house (an iHome AirPlay speaker, an Apple TV, and an Airport Express). When I ...
2
votes
0answers
59 views

Wired network disconnects on 21.5" iMac

At work, I've got a new 21.5" iMac. If I leave the machine alone for 20-30 minutes, the wired network will lose it's connection. After I do something on the machine, the network comes back (usually ...
2
votes
0answers
746 views

On resume from sleep, DHCP or ARP on the ethernet is not working

My mid-2011 iMac running Lion 10.7.5 has an intermittent problem. When I resume from sleep in the morning the ethernet fails to come up reliably. Sometimes it starts working immediately, sometimes it ...
2
votes
0answers
1k views

Network share permissions problems in Mountain Lion

After upgrading to Mountain Lion, I have experienced some weird problems with network share permissions. This network share is a Windows server which I login to like so: ...
2
votes
0answers
730 views

Do DHCP Client IDs showup in Airport Utility when Computer Name is shorter than 16 Characters?

My Airport Utility's (version 5) DHCP Clients list used to show the DHCP Client ID for each client, as defined for each connection in System Preferences/Network. I then went and changed the ...
2
votes
0answers
256 views

Multi node cluster setup with home network for parallelized computing using e.g. hadoop, MPI or Rmpi

currently I am reading more and more about multi-core processing (threading) and parallel computing. So I was curious about how to use my 4-core processor to calculate parallelized algorithms using ...
2
votes
0answers
337 views

Browsing to a nested subdomain resolves wrong page

Our corporate network has some web applications hosted in a nested subdomain hierarchy. A "subdomain's subdomain", as you will. For example: Root-> http://*.mydomain.com (resolves to: 192.2.2.200) ...
2
votes
0answers
3k views

Automatically setting custom routes with the internal VPN (IPSec/L2TP) client

I have a IPSec/L2TP (PSK) VPN I'm connecting to with OSX's built in client through the System Preferences > Network (in Lion/10.7.2). The VPN gives me an IP of 10.0.1/24, but I need to access servers ...
2
votes
0answers
256 views

migrating Ubuntu DHCPD to OS X Server

My LAN includes an Ubuntu 9.04 server which runs an ISC DHCP v3 daemon. I'd like to migrate the data from that daemon to a Lion OS X Server. Is there an easy way to do this (by copying the Ubuntu ...
1
vote
0answers
14 views

network computers renamed after Yosemite install

Yosemite install (from Mavericks) has automatically changed the names of my network computers as shown in the Finder sidebar. For example, my name IMac now displays as my name iMac(2). My two ...
1
vote
0answers
11 views

bridge CDCmodem and wifi on mac OSX 10.9.3

I am not a professional in IT. I am looking for a way to bridge OSX wifi with CDC modem (datacard). I tried using the internet sharing but then the wifi makes a new SSID network and disconnects from ...
1
vote
0answers
21 views

Looking for IPv6 modem for bridge mode

I have a Time Capsule and a modem in bridge mode. I would like to switch to IPv6 so that I can stop using NAT. My modem does not have IPv6 support so I need a new one but I can't find one that on the ...
1
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0answers
164 views

Shared devices not appearing in Network

I've encountered a somewhat strange problem on my Mac. Recently, all the devices listed in the 'Shared' section of the Finder sidebar have all disappeared and has been replaced an 'All..." option. ...
1
vote
0answers
46 views

Changing /etc/hosts not getting affected

I have added the following line in my /etc/hosts: 127.0.0.1   myapp.corp.com so my full /etc/hosts looks like: 127.0.0.1 localhost 127.0.0.1   myapp.corp.com 255.255.255.255 broadcasthost ::1 ...
1
vote
0answers
98 views

Mavericks 802.1X .mobileconfig & certificate authentication?

We are using 802.1X connection with "local" certificate at our dormitory. It has been working all well with Moutain Lion, but after upgrading to Mavericks, it just stopped working. The message is: ...
1
vote
0answers
24 views

Airport Utility gives Bogus status, misbehaves a lot

The Airport Utility shows all 3 of my Wifi access points as being offline today, all have the yellow caution triangle "/!\" and display the message "Device Not Found: AirPort ExtAC was previously part ...
1
vote
0answers
118 views

Number in brackets appended to Apple TV Bonjour name

I recently set up a 3rd-generation Apple TV in my living room. I have noticed that on my OS X 10.10 MacBook Pro an iPad and two iPhones (all iOS 7), the usual name of "Living Room Apple TV" appears ...
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vote
0answers
15 views

Must unplug and replug in USB NIC before it will work

Relatively new to the world of Mac (few months now) and have a Cable Matters USB wired NIC. WiFi on the mac turned off during all of this. If I reboot my mac with the USB device inserted (and cable) ...
1
vote
0answers
11 views

Is there a recipe for creating a locked-down ftp user role account?

I would like to set up an account on several Macs that can be used to send files to them via FTP. Specifically, I have a multifunction network printer whose scan function can FTP a scanned document to ...
1
vote
0answers
303 views

iPad connects to Wifi but not to Internet

I am trying to connect my iPad to the Internet without success.I am able to connect to the Wifi network but not to the Internet from there. This router (let's call it WIFI A) I am connecting to is ...
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vote
0answers
31 views

Help me assess my internet connection's problem

I'm currently pinging google.com to find a trend and pinpoint the problem. The internet keeps disconnecting every few mins and I have no idea why. What I realised is that between every 4-6 pings I ...
1
vote
0answers
37 views

Internet connection sharing, routing between multiple clients

I have a Mac Mini which connects to the internet via ethernet, and shares that connection over wifi. My Macbook and my iPhone use that to get at the internet. All are on the latest version of their ...
1
vote
0answers
29 views

Devices in OS X Internet Sharing can't see each other

I really like the feature of OS X to share it's Ethernet connection over WiFi to other devices. But it appears that those devices are unable to "see" each other (e.g. you can't play a LAN game with ...
1
vote
0answers
193 views

Can't save files to Windows SMB share

I've been experiencing this since I got my new MacBook... At my job, we work I'm a Microsoft environment. Our servers use SMB3. Our IT deptartment also doesn't officially support Macs. We also use ...
1
vote
0answers
101 views

What side effects, if any, are there from issuing scutil --set HostName 'Fred'?

I have read that you can change all of the three "computer names" associated with a Mac using the scutil utility. The three names in question are ComputerName (the "friendly" name), LocalHostName ...
1
vote
0answers
61 views

Teather Mac's Wifi connection to phone over Bluetooth

I'm staying in a rather upmarket hotel, yet for some reason the Wifi is £7 per device per day. I got it for my Macbook, and I'm wondering if there is a way for me to share the connection to my iPod. ...