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Failure to download software updates and IP blacklisting

SOme setting on my computer is stopping me from downloading iPhone software and Office for Mac software updates (network time-out and 9006 errors). My IP address is also repeatedly being blacklisted at my web based ISP (they say because of my file sharing settings!). I am at a complete loss! I do not run any anti-virus or malware program. Is it my firewal setting? I have also tried to turn off Airport and effect downloads via ethernet cable directly to my router. Any assistance would be greatly appreciated. My firewall log (see extract below) is full of stuff - mentions Dropbox data and nmbd data amongst other things - is this perhaps the problem? HELP!!!!


Apr 3 14:15:35: --- last message repeated 1 time ---

Apr 3 14:15:35 IDs-iMac Firewall[53]: Deny nmbd data in from 192.168.0.6:137 uid = 0 proto=17

Apr 3 14:15:53 IDs-iMac Firewall[53]: Deny Dropbox data in from 192.168.0.6:17500 uid = 0 proto=17

Apr 3 14:16:23: --- last message repeated 1 time ---

Apr 3 14:16:23 IDs-iMac Firewall[53]: Deny Dropbox data in from 192.168.0.6:17500 uid = 0 proto=17

Mac, Mac OS X (10.5.4)

Posted on Apr 4, 2013 1:01 PM

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31 replies

Apr 4, 2013 10:27 PM in response to BDAqua

Does this Mac have the IP of 192.168.0.6? No - that is the IP address of my router I think


Have you tried quitting iTunes & DropBox? Have quit Dropbox and iTunes, but open iTunes as that is the program i use to download the software update


Have you checked who all is coonected to your Router? No I haven't - it is security protected and its wireless range isn't long enough to extend beyond the border of my property.

Apr 8, 2013 1:30 AM in response to BDAqua

The IP address 192 etc is my router!

Had a look at my Firewall settings in System Preferences.

Allow all incoming connections is ticked.

In the box below under File Sharing (AFP) is -

BackService.app - Block incoming connections.

Does this have anything to do with my failure to download the software?

I have managed to do Microsoft Office software updates and a few others, so it appears to only be the iPhone update and my web based email being blocked (blacklisting my IP address) - this service provider says it is something to do with file sharing and their system being "pinged" too many times in a short time frame and thus automatically blocking my IP.


Am so confused as to how to solve this......

Apr 8, 2013 10:29 AM in response to BDAqua

The other devices are my family members laptops and mobile phones. Do you think I should change my password on the router as a precautionary measure?


All attempts at the update have been done via Software Update in iTunes - as I connect my iPhone it advises that there is new software and I go for the "download only" option.

Apr 8, 2013 10:58 AM in response to BDAqua

First up - many thanks for your patience and help!

The only PC is mine - an iMac (5 yrs old). There are two Mac Books, one Dell laptop and then an iPad, an iPhone and three Blackberrys (horror!). Blacklisting is definitely coming from my iMac as this is the IP address that clears the blacklisting.

Will change the router password tonight.

Any views on my firewall settings and this BackService.app?

Failure to download software updates and IP blacklisting

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