OS X :: Internet Security Risks - IP Address?
Feb 21, 2009
First off I'm not very literate in security issues or computer terminology so I'm sure I am going to come off as a complete moron but can anyone tell me what the security risks are if someone has my IP address. Can they access my computer? Can they access my internet based email? Can they find out who I am? If I access a forum through a link from my internet email can the administrator of the forum (or anyone else). Hack my internet email? Hack my computer? Find out who I am? I have a Powerbook G4 and I'm running 10.4.11.
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Jun 13, 2009
I have just bought my first Macbook and am enjoying the experience but am slightly nervous as I am used to using a PC and getting bombarded by email about viruses, trojans, spyware, malware etc and having to purchase and continually update my security. Now here I am on a Mac with apparently no security to speak of other than the firewall in my Netgear router...... I have heard some say "Macs don't get viruses!!! or Malware". Can someone who is a true Mac expert give me some decent advise? I am happy to buy McAfee or Norton but which is best.
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Jun 13, 2009
I am getting ready to install windows XP on my Mac using Boot Camp. The only reason I am installing windows xp is to use one CAD program. I plan to never be online while using the windows partition. Do I need anti-virus software if I am only going to use windows for one program and will never be online while in the windows partition?
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Apr 16, 2008
Apple on Wednesday afternoon released version 3.1.1 of its Safari web browser to address a handful of security issues, including one widely publicized vulnerability that allowed a MacBook Air to be compromised during a recent security conference.
The 39MB release, available for both Macs and Windows PCs, is recommended for all Safari users and includes improvements to stability, compatibility and security.
Specifically, Apple said the update patches four security issues, including a heap buffer overflow that existed within the browser's WebKit framework for handling JavaScript regular expressions.
The issue was reported by Charlie Miller, who discovered and exploited the vulnerability on a MacBook Air to win a $10,000 prize at last month's CanSecWest security conference.
The Safari 3.1.1 update also addressed a second issue within WebKit's handling of URLs containing a colon character in the host name. By exploiting that vulnerability, a hacker could use a maliciously crafted URL to lead a cross-site scripting attack, Apple said.
Two other issues with the Safari application itself were also addressed, though they concerned only the PC version of the browser. One of those issues made it possible for a maliciously crafted website to control the contents of a user's address bar, while the other made it possible for maliciously crafted website to cause arbitrary code execution or the Safari application to unexpectedly quit. 

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Jul 20, 2010
McAfee released a new version of Internet Security (firewall/av) protection for Mac. Is this something worth investing in? Currently I'm using iAntivirus to perform weekly scans and have the built-in firewall enabled other than those items I'm not using any other security software.
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Oct 3, 2009
I just bought my macbook a second hand black one from ebay and currently loving it Basically i wanted to download handbrake and was wondering will my mac be at risks of any viruses ?
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Jul 12, 2010
I was using Norton Anti-Virus for some time, with no problems. Decided to try the suite of programs under Intego Internet Security. All Hell broke loose. First, SuperDuper could not back up - it spent eight hours on repairing permissions until I stopped it. I then repaired permissions through Disk Utility, and it took twelve hours. Safari started stalling and freezing. Every time I clicked, I got a spinning ball. It didn't matter whether I tried to click on a link, scroll, or anhy other action. It would hang, and eventually load, but it was so bad, I started using Firefox, which had no problems. Intego did not have the answer, except to agree that if Intego was the only change made, it had to be the culprit. I did some research online, and found a posting which mentioned turning off the Real-Time Scanner in order to repair permissions. The minute I disabled it, repairing permissions went quickly, SuperDuper backed up in record time, and Safari went back to normal. Although Intego has stated that all virus software interferes with repairing permissions, I have never had an issue under Norton. With this program installed, it means I have to deactivate the scanner every few nights when SuperDuper is scheduled, and when I want to repair permissions. That wouldn't be the worst thing, if it were not for the fact that Safari bombs every time the scanner is on. Has anyone had any experience with this?
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Jan 13, 2010
My Quicken software suddenly stopped being able to connect to my bank via the Internet yesterday, giving the error message "Could not establish Internet connection with . . . check your Internet connection" Quicken support said others had been reporting the same problem recently, and it seemed to have something to do with Norton Antivirus. I uninstalled my "Symantec Solutions"/ "Norton Internet Security for Mac" applications (Norton Antivirus, Norton Firewall, Norton Confidential, LiveUpdate, and Symantec Scheduler) and the problem disappeared. I then contacted Symantec/Norton support and learned that they sent out an automatic "LiveUpdate" to their software this week that replaced everyone's working copy of "Norton Firewall" with a defective Version 4.1.0 that blocks connection to the Quicken server (and perhaps other programs?) unless the "Application Blocking" setting is manually turned off. Symantec says a patch to correct the problem will be released through "LiveUpdate" soon.
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Feb 19, 2010
I am running OS X10.4.11 on my 800 Mhz PowerPC G4 iMac. I have had a dialog box pop up whenever I open safari or firefox after starting my computer. It may also appear if I quit the browsers and reopen them but not always. Also once I close the box I usually do not see again until re starting or reopening. I believe that it some kind of bug that is causing the browser to run slow at downloading letting pop up ads come up even though I have the block up for pop ups and it is possible that it is redirecting my browsers to other sites.
I am unsure as this usually happens when I am searching on google. This what is in the dialog box Windows Internet Security. Your browser is under threat of infection Windows requires your permission to install online protection tool:
Name: online protection tool
Publisher Microsoft windows
I have done a little online research and have tried force quitting the browsers to kill it and downloaded a free trial of MacScan which took several hours to run and told me it found tracking cookies and spyware. I followed the instructions to isolate and remove them which left a folder on my desktop titled isolated items which I then threw into the trash and secured empty trash on it for good measure.
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Mar 30, 2012
I am trying to install Norton Internet security and when I click on exe it opens a small window with lots of cryptos.I was thinking of turning off an eventual firewall but I don't know how to do it!
Info:
iMac
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Jul 7, 2009
I am new to the mac world, I've always had a windows before. Well, I just installed XP on my macbook, and was wondering if the "Parallels Internet Security powered by Kaspersky" is secure enough for my pc. I don't want to be getting viruses on my pc, so I was wondering if that security is strong enough, or if you would recommend getting a different internet security?
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Dec 9, 2009
suspecious file/finding best antivirus or internet security?
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May 23, 2012
i want to set up internet-sharing network via macbook pro. before this i can setup WEP security password with minimum 8 characters . but now the WEP is gone. It left the security type only to none and WPA2 Personal. How can I set or get back the WEP security back?
Info:
MacBook Pro, Mac OS X (10.7.3), mountain lion osx
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Dec 6, 2014
I am thinking about partitioning my internal hard drive with Bootcamp and then installing Windows so that I can run some software that requires Windows (ARCGIS is the particular software). my Mac runs smoothly and I want to keep it that way. I am afraid that if I partition and install Windows.Are there any such risks to partitioning internal hard drive and installing Windows?Â
Info:
MacBook Pro, OS X Yosemite (10.10)
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Apr 16, 2010
I just found an old mac in my room, I think it is a power mac g4, it is running OS X 10.3. I am trying to get it connected to the internet using a cable straight from it to my router (netcomm), the same way i do with my other mac. However, no matter how many different variations i use of my various settings, it wont connect. I have come down to needing a subnet mask, IP address, and router address.
I am almost certain i have the subnet mask and router addie correct, but there seems to be no way for me to find the g4's IP. I have been in system preferences, but all the 'IP' bits are just blank and unclickable. I don't know if it makes a difference, but the G4 was connected to the internet in the past before we upgraded, so it should have an IP somewhere, right?
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Apr 20, 2007
I have a problem with my macbookpro and connection to internet.
1 week ago my computer as stopped to connect to internet.
I was used connecting with my airport express, but at one point my macbook pro stopped receiving ip adress from interenet.
the message on the network connection is Airport is connected to the network. Airport is does not have an IP address and Cannot connect to the internet
I have try everything...:
the Airport is working becouse all the others computers inside on my office are working well with airport.
If I connect my computer with a cable I have the same problem.
I have reset and restart Airport and computer.
I have let my connection and computer disconnected and switched off for 24 our.
I have verifyining that is not an hardware problem because I have installed a fresh OS on an external drive and when I boot from the external drive everything working well.
The OS is on boot installation 10.4.9
the machine is a Mac book pro 17 2.16 GHZ intel core duo with 2gb 667 Mhz.
My problem is that on the old installation I have a lot of software installed and will be take a lot of time doing all the new installation. I wondering if there is a way to recover the situation.
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Mar 9, 2009
I have AT&T, and recently ordered high speed internet service from them. I have a Macbook Pro (circa 2006) and a 2Wire 2701HG Gateway. I can connect to the internet with my ethernet cable no problem. When I go into System Preferences->network, Airport recognizes my network, but says "AirPort is connected to the network ___. Airport does not have an IP address and cannot connect to the Internet."
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May 1, 2009
I usually have no problems hooking my Xbox up to XBL wirelessly to the interent, but I recently moved and now it wont connect to XBL. It shows the SSID but when put the passphrase in it begins to connect and then it says there is a problem. it says it is "connected" but there is no IP. All the setting as are put to Automatic.
I have tried shutting the router off and my Xbox and I even tried connecting an ethernet cable to my MBP and Xbox. I got an IP when I did this but it still didnt connect. so that's one problem. Another problem is that I dont know how to share my MBP with my Xbox...Like I said, I have the wireless adapter thing but maybe I have been going about all of this wrong.
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Dec 16, 2009
has an "!" over wireless display. When I go to network settings it says... "AirPort has the self-assigned IP address 169.254.20.213 and will not be able to connect to the Internet."it is happening on both my new macbookpros one is a 17' one is a 13"
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Apr 4, 2010
I'm staying at a hotel for an extended period and they said if I gave them my wireless mac address and they could allow me to not have to login every time I opened Safari.
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May 7, 2012
airport connected but has no IP address and no iternet connection
Info:
MacBook
Pro, Mac OS X (10.7.3)
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Feb 22, 2012
I had no trouble getting on line until last week when a message came on that
IP address 192.168.0.139
was in use by
04:0c:ce:54:c1:e5Â
DHCP Server 192.168.0.1Â
Since that time, no matter if I plug it into one router or the other (I use a router in my office to share the one ethernet cable that comes down the hall) it claims that the ethernet is working and it knows that it is connected to the Internet,but it cannot access the Internet. IT seems to be stuck in a cycle of navel-gazing, constantly focused on its own ethernet IP address.
All I know how to do is operate the thing; we have no IT person here. A visitor set up our network for us a few years ago. Only the iMac has this problem; my PC laptops go online just fine. But all my work is on the iMac.
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Dec 20, 2010
find security Camera, Security Camera Systems & Wireless Security Camera.
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Nov 21, 2010
Using a G4 IBOOK with OS 10.5.8. Recently converted IBOOK from just my wifes computer to both of us so it is now dual usuage with both of us signing in to our respective files/e-mail, etc. My side has a problem never experienced before. My apple mail system address book has all the names the dock address book does but is missing almost 2/3rd of the actual e-mail addressess. I have tried to redo the dock address book in hopes it would change the "internal" mail book, but to no avail. It id difficult to add a recipient to an outgoing e-mail via the dock address instead of the apple mail address book.
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May 5, 2012
I'm trying to setup mail on Lion Sever (7.3). The only way I can get it to accept incoming mail is to specify the whole FQDN of the server in the address. For example the domain name is example.com and I have a user set up called john. Sending mail to john@server.example.com works.
But sending mail to john@example.com (which is what I want) returns an error:
554 554 5.7.1 <john@example.com>: Relay access denied (state 13).
For internal DNS, I have:
example.com - primary zonemail.expample.com - alias server.example.comserver.example.com - 192.168.1.2 [URL] - alias server.example.com MX record [URL]
I see references here to problems in mail on 7.3 but not this specific problem.
Info:
Mac OS X (10.7.3)
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Aug 1, 2010
Can you print your address book with all the names, address, and other info?
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May 20, 2012
how to specify which of several email addresses should be used for a member of a group. It starts by selecting the menu item "Edit > Edit Distribution List." From there it explains how to select the desired address for a specific person. All well and good...Â
BUT...Â
Try as I might, doing various combinations of name or group selections in the address book window, I cannot seem to get the "Edit Distributuion List" item to be un-greyed. Effectively, the program is not allowing me to do the edit function I need to do on this one group member.Â
Am I missing the secret handshake in this process? Why should it be this hard to do this simple function?Â
Which raises the larger question of "What did Apple do to the Address Book application in general?" This issue is only the tip of my iceberg. The whole app seems to be harder to use than before.Â
Info:
iMac (24-inch Early 2008), Mac OS X (10.7.3)
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Mar 29, 2009
If I have more than 1 email address in my contacts, which is the rule, to whom will be sent , I checked, sometimes in Home, other Work
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Mar 20, 2012
I must be missing something very obvious, but I can't seem to set Address Book to add all new contact info as "Work" entries. I have to edit every new entry and change all the fields from "other" to "work." This appears to happen when I "grab" phone or email info from an email message.
Info:
MBP 2.4 Core 2 Duo, Mac OS X (10.7.1), iPhone 3Gs, iPad 1 and 2
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Jun 14, 2012
Does anyone else agree? Can I make this so somehow?
Info:
Mac OS X (10.7.4)
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