Can I Lock out the Internet?

I have a Verizon Centro Palm, and I do not have a subscription through my verizon account for internet/email. Is there any way I can lock that part out of the phone, so I don't accidentally push something that will connect me, without me knowing and getting a big bill from Verizon? Or, will it always ask me for a password before it allows me to connect? I would appreciate any advice.
Thanks!
Post relates to: Centro (Verizon)

Usually it prompts you and tells you it is getting ready to use a data connection do you want to proceed, as long as you never check the box that says never ask me then you should always get that prompt. I find if you push the carriers or build a good relationship with them they can typically block data flows on their end and keep your device from ever connecting to the data service.
Post relates to: Centro (Sprint)

Similar Messages

Can you lock out the Ipad while it is traveling down the road?

I would like to put an Ipad in my trucks, but I can't trust the drivers to not use it while they are driving. Is there a way to lock out the Ipad while the vehicle is moving?

Perhaps a Workstation Associated app that just pushed an invalid value for the
GINA.DLL
Either Remote Regedit or another Force-Run app could restore this to a correct
value.
Needs testing to make sure you can fix what you break, but this would lead
everything intact.
Marcus Breiden wrote:
> On Mon, 23 May 2005 19:05:23 GMT, [email protected] wrote:
>
> > I am not sure how this can be performed. We currently do something
> > similar with NEW XP PCs that have no local user accounts on them yet
> > (basically we enable login restrictions under the DLU policy - if the
> > workstation can't create a local user account for the user, they can't
> > log into the network or the PC). That solution would not work in this
> > case though since the local accounts would already be created on the PC.
>
> hmmm.... I would create an application and associate it to the wks, make it
> force run..
>
> in that app remove / or change the Tree for the workstation manager... this
> will disable all policy management (also DLU)...
>
> in case your accounts are locally on that box you would have to do some
> more stuff to get around your problem...
> --
>
> Marcus Breiden
>
> Please change -- to - to mail me.
> The content of this mail is my private and personal opinion.
> http://www.edu-magic.net
Craig Wilson
CNE3, 4, 5 - MCSE - CCNA
NSC Sysop (http://support.novell.com/forums/)
Tech Writer - http://www.ithowto.com
(I Peter 4:10)

How can I lock out my iCloud? Because of forget my old password and I have do a new Apple ID but when wan to log out my iCloud it call me to logout find my iphone but already forget the password . Have any solution ?

How can I lock out my iCloud?
Because of forget my old password I have create a new Apple ID
But when I wan to log out my iCloud,it call me to logout Find My iPhone.
I had already forget the password that why I create a new Apple ID.
Have any solution for problem like this ?

Apps and Music are not from iCloud. Are from iTunes and App Store.
You can change this from: Settings>iTunes and App Stores>Sign out and sign in with new ID, but you will have to pay again to download apps that you already have in your old account. Or leave it as it is to share purchases with your son.

Can you lock just the photos or videos instead of locking out ipod

wondering if you can lock sections of the ipod instead of just locking out the ipod?
thanks if you know

What are you planning to put on there that you would want to lock behind a code? =P

Was always working and today I get a message that it can not connect to the internet. Internet Exployer works fine. So, I tried uninstalling the program and reinstalled. Still did not work. check out the proxy and firewall no problems there.

I get a message can not connect to the internet when trying to open Mozzila Firefox. It was working fine until my internet service went down. Once back up it was not working. I have tried installing and uninstalling the browser. I have looked at the firewall and proxy on my computer. Still not working Internet Exployer works fine. Deleted all cookies also.

Did you check your security software (firewall)?
A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox.
See [[Server not found]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls

Why (out of the blue) airport extreme can't connect to the internet?

Suddenly the airport extreme on my macbook pro (10.6.8) decided to completely stop working. the modem/router work fine as i tested them with another computer and i've brought my macbook to another house and tested it there and the same thing happens. if i'm hardwired via ethernet cable the internet works like normal. which is what i'm doing now.
the wireless icon on the top of the screen shows full strength and when i click on it it shows my network with a check mark next to it but if i try to open a browser window it won't work. opening network preferences shows that airport is not connected and it does not have an IP address and can't connect to the internet. if i open airport utility (5.6.1) it says "airport utility unable to find any airport wireless devices".
everything was working fine a few days ago.
what's going on?

The same thing happened to me, and I took it to get looked at and they even replaced my base station, but then it kept disconnecting. I finally found the answer that solved my problem, but now I can't find the post that solved it to direct you toward. So I'll try to re-create it as best as I can.
Like that user, I have Xfinity. The other user had received this assistance from Comcast tech support (Which is sad that Comcast was more helpful than ... anyone ... but especially Apple), so if it doesn't work they should be able to help fill the gaps. Chances are, you may be better off getting assistance from your ISP than from Apple.
Basically, Comcast switched over to IPv6, and it needs to be accounted for or else the AEBS will drop the signal from the DSL modem.
1. Open Airport Utility
2. Click Edit on your AEBS icon.
3. Click the Internet tab.
4. Click Internet Options.
5. Make sure IPv6 Mode is set to "Tunnel."
6. Click the "Enable IPv6 Connection Sharing" radio button so that it's active.
7. Save changes, Update the new settings, and let the AEBS restart with the new changes.
I fixed it a couple of days ago, and it's worked perfectly since then.
Here's the post that fixed it. https://discussions.apple.com/message/21916742#21916742
Here's the Comcast information the post refers to. http://www.comcast6.net/index.php/6to4config#faq3
Message was edited by: Crimsondude

Can you 'lock out' a workstation via ZENworks?

Hi,
I was wondering if there was a way to 'lock out' a workstation via
ZENworks so users can no longer log into the workstation temporarily.
This is the scenario - when someone within our company orders a new
workstation, they will many times tell us that the workstation is being
replaced when in reality the old workstation it is replacing is never
taken off the network.
The problem? - we do not charge any new license fees for replacement
workstations PROVIDING the old workstation is disposed of (that way we
are able to transfer the licenses from the old to the new). If the old
workstation is still used, we are in violation of license fees.
Solution? - 'lock out' the old workstation so no one can use it any
longer unless they call our Helpdesk and it is 'unlocked' at which time
we remind them of the license charges.
I am not sure how this can be performed. We currently do something
similar with NEW XP PCs that have no local user accounts on them yet
(basically we enable login restrictions under the DLU policy - if the
workstation can't create a local user account for the user, they can't
log into the network or the PC). That solution would not work in this
case though since the local accounts would already be created on the PC.
We don't want to remove any software from the machine that will need to
be reinstalled in case the site does want to keep the machine on the
network after a new one is purchased. The solution should be designed to
easily enable the machine if the site does decide they want to keep the
machine on the network. Later on we would FDISK the PC for disposal.
Any help would be GREATLY appreciated as ALWAYS!
Steve

Perhaps a Workstation Associated app that just pushed an invalid value for the
GINA.DLL
Either Remote Regedit or another Force-Run app could restore this to a correct
value.
Needs testing to make sure you can fix what you break, but this would lead
everything intact.
Marcus Breiden wrote:
> On Mon, 23 May 2005 19:05:23 GMT, [email protected] wrote:
>
> > I am not sure how this can be performed. We currently do something
> > similar with NEW XP PCs that have no local user accounts on them yet
> > (basically we enable login restrictions under the DLU policy - if the
> > workstation can't create a local user account for the user, they can't
> > log into the network or the PC). That solution would not work in this
> > case though since the local accounts would already be created on the PC.
>
> hmmm.... I would create an application and associate it to the wks, make it
> force run..
>
> in that app remove / or change the Tree for the workstation manager... this
> will disable all policy management (also DLU)...
>
> in case your accounts are locally on that box you would have to do some
> more stuff to get around your problem...
> --
>
> Marcus Breiden
>
> Please change -- to - to mail me.
> The content of this mail is my private and personal opinion.
> http://www.edu-magic.net
Craig Wilson
CNE3, 4, 5 - MCSE - CCNA
NSC Sysop (http://support.novell.com/forums/)
Tech Writer - http://www.ithowto.com
(I Peter 4:10)

After update I can't connect to the internet in no way, shape or form

I rarely update because: 1) something always breaks when you update (like now) and 2) I don't like to deal with new crap like GNOME 3. Anyway:
I bought a new router (TL-WR1043N) and configured it with an old Ubuntu because connecting to 192.168.1.1 didn't work on any of my Arch Linux installations. Now... here's where it all starts... I can't use the 'n' wireless on my laptop since I have to install something to use WPA, and to install that I need to update, but I don't want to deal with GNOME 3 and Firefox >3. But I gave up eventually gave up and connected my laptop to the router by Ethernet cable. Setting that up was very easy: 'ifconfig eth0 up; dhcpcd'. Voila! I updated my whole system and restarted. To see how badly I damaged my system I opened Nautilus (I use Openbox with some GNOME programs): shock and dismay, the fonts are visible from the moon. I guess I'll have to quit using GNOME programs completely now but I expected that. I used to use KDE back in the day and when KDE4 came forth from that unholy pit, I immediately abandoned it for GNOME. This time we had more time to prepare, everybody knew what GNOME 3 was going to be. I started using Openbox quite a long time ago.
Anyway: Now to fix my wireless right? WRONG! I can't connect to the internet on cable to get the packages for wireless. I installed Windows 7 64 on the same laptop and it connects to the cable. Ubuntu 9.10 Live also connects, but due to the changes of rc.conf and network stuff I can't connect at all with Arch Linux.
So I decided to abandon it completely and reinstall from scratch. But the Live CD also doesn't work. With all the ways I've tried it all comes down to this:
dhcpcd always times out waiting for a carrier and 'ip addr' shows 'eth0: <NO-CARRIER, ....' if the interface is up. I'm not sure what information I should give you, but I can't paste any here since I can't connect to the damn internet on that laptop.
About the router: the cable is plugged on port 1 and the LED for it flashes if I reboot the computer. In Windows it stops flashing while it connects and flashes again when connected. I removed 'network' from DAEMONS and it flashes till I start it with '/etc/rc.d/network start'. This hangs for a while and returns '[DONE]' even though it doesn't work and the LED never flashes again on the router.
In rc.conf I have exactly what the example says for DHCP. In any case, it doesn't work with the Live CD either.
EDIT 1: From lscpi: painstakingly typed:
06:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
07:00.0 Ethernet controller: Realtek Semiconducctor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
EDIT 2: Just to be clear: I can use the wireless on the laptop on the Live CD, but I want to use the cable because of the greater speed (94Mbit/s on cable 60 something on wireless n, 20 something on g) and because I rarely move the laptop.
EDIT 3: lspci -v shows "Kernel driver in use: r8169 / Kernel modules: r8169", so the driver is loaded.
EDIT 4: So if I boot from the CD. ip addr shows:
eth: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:1d:92:...etc... brd ff:ff:ff:ff:ff:ff
And the LED flashes. When I type: "ifconfig eth0 up" it stops, never to light up again and ip addr shows: "eth: <nO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
Last edited by imtired (2011-09-08 12:36:51)

When you're in Arch, use output redirection
lspci >lspci.out
then boot into Ubuntu or something where you can access the files and the BBS, Of course, don't forget to use a new file for each command output.
The new network config in rc.conf is not that complicated (wired anyway; never used wireless). OTOH I've had issues on two machines where I have to restart the network daemon (rc.d restart network) or rerun netcfg (netcfg eth0) after boot to get connectivity. And I still haven't come to grips with the ip command.

Can't connect to the internet

Ok. so i did a search and didn't come across any other problems like the one I'm having.
Let me start off by stating that my laptop is an ibook g4 bought feb, '06 (yes the apple care just ran out).
I'm having a problem connecting to the internet on my ibook, running through a d-link wireless router. I'm using my imac to connect to the internet currently (which works fine by the way). It also is connected through the wireless router.
My ibook has a strange ailment. I open up Safari and all I get is a blank screen, the page is trying to load but the status bar is going no where and does the same in Firefox. So first, I opened Network diagnostics, but the computer freezes and I have to do a hard shutdown. (holding the power button). Next, I tried Disk utility. Verified Permissions, Repaired Permissions, everything is fine. I tried to Verify Disk, and again the computer freezes, will not let me force quit and I am forced to do another hard shutdown. I do the thing where you hold down some key while you're starting up to get into the disk utility so I can repair the disk. This returns clean as well. I downloaded techtool off of my Applecare disk. Did the tests, everything passes. So what's the deal?? I've tried to reset the pram. I even did the Apple Hardware test, everything passed.
I thought it could be my Airport card? It recognizes that there is an internet connection in the top right corner, I even have great signal strength (mostly because I've tried this sitting right next to the router). But still, I can't connect to the internet. Any one have any ideas? I don't know what else to try! Please help!

so i can't believe i didn't try to connect it directly to the router with the ethernet cord. This actually worked. But it still didn't solve my wireless problem. I'm not willing to let my laptop become a desktop. I'm already wired to a plug b/c the battery is slowly dying and has a life of about 5 minutes. I'm not willing to give up my wireless internet too.
I guess now it's got to be the airport card? how do I confirm this? and if it is how much would a new one cost and can I install it myself??

Extreme (b/g/n) can't connect to the internet

my iMac has no problem seeing my airport extreme (b/g/n), but I can't connect to the internet.
I have tried soft / hard reset & factory reset as well, none of them worked. The extreme just keep flashing its amber light.
On my iMac, I have full signal bars, so recognizing the extreme is not a problem. The only thing I find strange is that the IP address (the one assigned by my ISP) is 0.0.0.1.
I tried connecting through an Ethernet cable and it didn't have any problem, so it's not my ISP. The only thing I can thing of is that the extreme somehow is having trouble recognizing that assigned IP and that's why I can't get connect to the internet.
Anyone suggestion? Is my extreme broken? If so, can it be fixed? Please help.

Problem solved!
Every time, I feel so stupid once I find out the answer to my problem.
Here it is from another post by 'dwbird':
"Solution: I found that the service name (optional on the setup) may be optional but if your service doesn't require it and you put a service name in the block it prevents the system from working, hence cannot find the PPoE Server and also cannot get an IP address assigned. Guess the moral of the story is that if it is not absolutely required don't fill in any "optional" blocks"
I deleted the name of my ISP and everything works just fine, the stupidest thing is that this is not the first time...
maybe Apple should consider putting a reminder/warning underneath this OPTIONAL service name field.

I put the BT WiFi app on my iPad Mini and now I can't connect to the internet. Please help

I put the Bt WiFi app on my iPad Mini and now I can't connect to the internet. Please Help

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
Fix WiFi Issue for iOS 7
http://ipadnerds.com/fix-wifi-issue-ios-7/
iOS 6 Wifi Problems/Fixes
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Sig nal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
10 Ways to Boost Your Wireless Signal
http://www.pcmag.com/article2/0,2817,2372811,00.asp
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Some Wi-Fi losses may stem from a problematic interaction between Wi-Fi and cellular data connections. Numerous users have found that turning off Cellular Data in Settings gets their Wi-Fi working again.
You may have many apps open which can possibly cause the slowdown and possibly the loss of wifi. In iOS 4-6 double tap your Home button & at the bottom of the screen you will see the icons of all open apps. Close those you are not using by pressing on an icon until all icons wiggle - then tap the minus sign. For iOS 7 users, there’s an easy way to see which apps are open in order to close them. By double-tapping the home button on your iPhone or iPad, the new multitasking feature in iOS 7 shows full page previews of all your open apps. Simply scroll horizontally to see all your apps, and close the apps with a simple flick towards the top of the screen.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

How can I find out the iCloud ID which is registered with my iPhone?

How can I find out the iCloud ID which is registered with my iPhone? I dont know which ID is actually registered with my phone Please help me

Someone logged into iCloud with his ID maybe my friend or someone but if I get the email info then I can tell him to remove the lock. The ID is started with s*****@hotmail.com. I already asked few of my friends whos name started with s but still didnt find the right one What can I do now?

How can I find out the age of my imac

How can I find out the age of my computer to see if it will be able to download latest operating system

Open System Profiler in Utilities folder. Look for the Model ID on the right. Then see the following:
Upgrade Paths to Snow Leopard, Lion, and/or Mountain Lion
You can upgrade to Mountain Lion from Lion or directly from Snow Leopard. Mountain Lion can be downloaded from the Mac App Store for $19.99. To access the App Store you must have Snow Leopard 10.6.6 or later installed.
Upgrading to Snow Leopard
You can purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard — Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s iCloud services; fees and
           terms apply.
Upgrading to Lion
If your computer does not meet the requirements to install Mountain Lion, it may still meet the requirements to install Lion.
You can purchase Lion by contacting Customer Service: Contacting Apple for support and service — this includes international calling numbers. The cost is $19.99 (as it was before) plus tax. It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
     Lion System Requirements
       1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
           or Xeon processor
       2. 2GB of memory
       3. OS X v10.6.6 or later (v10.6.8 recommended)
       4. 7GB of available space
       5. Some features require an Apple ID; terms apply.
Upgrading to Mountain Lion
To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase and download Mountain Lion from the App Store. Sign in using your Apple ID. Mountain Lion is $19.99 plus tax. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
     OS X Mountain Lion — System Requirements
       Macs that can be upgraded to OS X Mountain Lion
         1. iMac (Mid 2007 or newer) — Model Identifier 7,1 or later
         2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) —
             Model Identifier 5,1 or later
         3. MacBook Pro (Mid/Late 2007 or newer) — Model Identifier 3,1 or later
         4. MacBook Air (Late 2008 or newer) — Model Identifier 2,1 or later
         5. Mac mini (Early 2009 or newer) — Model Identifier 3,1 or later
         6. Mac Pro (Early 2008 or newer) — Model Identifier 3,1 or later
         7. Xserve (Early 2009) — Model Identifier 3,1 or later
To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
Are my applications compatible?
         See App Compatibility Table — RoaringApps.
     For a complete How-To introduction from Apple see Upgrade to OS X Mountain Lion.

HT201303 How can I find out the ip address that logged into my account?

How can I find out the ip address that logged into my account?

Open Airport Utility. You should find it in there under the Internet tab.

Some of my Mac apps can´t connect to the internet, while Firefox can

All of a sudden, Safari, ITunes, Software Update, can´t connect to the internet. It happens in my office and in my house. Have not checked other networks. Firefox wors fine, as does Mail (for now). What can be the problem?

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up a guest account” (without the quotes) in the search box.
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
As Guest, test. Same problem(s)?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on some Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode.) Post the results of steps 1 and 2.

Can I Lock out the Internet?

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