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Re: What are these ports for?



Filtered means that nmap didn't get a response at all, i.e. the
packets were silently discarded.

See this discussion a few moons ago

http://mail-index.netbsd.org/netbsd-users/2012/03/07/msg010214.html

where I had a similar problem and was looking in the wrong places.

On Thu, Nov 29, 2012 at 5:17 PM, herbert langhans 
<w3%langhans.com.pl@localhost> wrote:
> Hi Joern,
> thats embarrassing - the server is built, installed and maintained by me
> (and I didnt even know what ports are open there).
>
> I used:
> fstat | grep internet
> and:
> sockstat -l
> - as Jeremy told me and cannot find any of these ports open though.
>
> Filtered means they are not accessible at all?? Maybe thats just some
> thing from #nmap -sS domainname.com ? Kind of confusing though.
>
> Or is it 'filtered' by default via ipfilter what I use? But I surely
> didnt put it into /etc/ipf.conf - very mysterious.
>
> Thanks,
> herb langhans
>
>
> On Thu, Nov 29, 2012 at 05:01:33PM +0100, Jrn Clausen wrote:
>> Depending on what "here" means, maybe your network admins have
>> filtered out these port to prevent any accidental/unwanted sharing
>> between Windows clients.
>>
>> On Thu, Nov 29, 2012 at 4:53 PM, herbert langhans 
>> <w3%langhans.com.pl@localhost> wrote:
>> > Hi List
>> > - a question about open ports. Scanning one of the comps here (nmap)
>> >   tells me among others:
>> > ...
>> > 135/tcp filtered msrpc
>> > 139/tcp filtered netbios-ssn
>> > 445/tcp filtered microsoft-ds
>> > ...
>> >
>> > Where do they come from? I already switched most daemons off, still they
>> > are there. Any MS-programs or services need them??
>> >
>> > Actually they are not 'open', they are 'filtered'. Hmmm...
>> >
>> > Thanks,
>> > herb langhans
>> --
>> Joern Clausen
>> http://thebloeg.blogspot.com/
>> http://www.oe-files.de/photography/



-- 
Joern Clausen
http://thebloeg.blogspot.com/
http://www.oe-files.de/photography/


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