Re: [Fed-Talk] UDP Port 111
Re: [Fed-Talk] UDP Port 111
- Subject: Re: [Fed-Talk] UDP Port 111
- From: Michael <email@hidden>
- Date: Thu, 13 Mar 2008 11:55:48 -0400
On Mar 13, 2008, at 10:20 AM, Michael wrote:
Is anyone aware of why a machine upgraded to OSX 10.5.2 would be
probing all machines on local networks on UDP port 111.
I know very well what UDP port 111 is normally used for, I just have
not seen an OS X machine actively probing that port and it seems
rather selective about the range of machine it is probing--selective
in the sense it's seems to be only machines it has seen recently,
not selective about operating system.
This seems to be automountd, most have seen how OS X 10.5 auto
identifies any Apple File Sharing machines on the local network. I
guess 10.5 can also auto identify any NFS servers on the network.
Anyone know how to turn that off? The scanning lit up a co-worker's
machine.
I blocked outgoing UDP port 111 in my custom ipfw firewall.
Michael
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