[olug] Cox blocking inbound TCP 2401?

[Terry]

They _shouldn't_ block anything above 1024.....Jay,
are you sure this isn't user error?  haha


--- Jay Hannah <jay at jays.net> wrote:
> 
> On Mar 19, 2004, at 8:13 AM, Terry wrote:
> > nmap -sT -p 2401 -P0 68.13.20.113
> >
> > Starting nmap 3.50 ( http://www.insecure.org/nmap/
> )
> > at 2004-03-19 08:12 CST
> > Interesting ports on ip68-13-20-113.om.om.cox.net
> > (68.13.20.113):
> > PORT     STATE    SERVICE
> > 2401/tcp filtered cvspserver
> 
> Ooo... Sweet. Must learn nmap.
> 
> man nmap
> 
> The  result  of  running nmap is usually a list of
> interesting ports on
> the machine(s) being scanned (if any).  Nmap always 
> gives  the  port's
> "well  known"  service name (if any), number, state,
> and protocol.  The
> state is either 'open', 'filtered', or 'unfiltered'.
>  Open  means  that
> the  target  machine  will accept() connections on
> that port.  Filtered
> means that a firewall, filter, or other network 
> obstacle  is  covering
> the port and preventing nmap from determining
> whether the port is open.
> Unfiltered means that the port is known by nmap to 
> be  closed  and  no
> firewall/filter  seems to be interfering with nmap's
> attempts to deter-
> mine this.  Unfiltered ports are the common case 
> and  are  only  shown
> when most of the scanned ports are in the filtered
> state.
> 
> So I guess either (1) Cox is blocking, or (2) I
> don't have my Linksys 
> set up right? I don't know how the latter could be
> the case, it was 
> working fine for months back when I was using it and
> I didn't touch the 
> Linksys... Plus the Linksys config is so dead simple
> I don't know how I 
> could botch it even if I wanted to...
> 
> I should call Cox?
> 
> Or move 2401 to port 240100? Maybe they don't mess
> with *really* high 
> ports?
> 
> Thanks,
> 
> j
> 
> 
> 
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=====
Terry

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