[lug] UDP Port 515

[Atkinson, Chip]

This brings up a question in my mind:  The CERT url below talks about packet
filtering.  Is packet filtering better for some reason than various other
means such as tcp wrappers and removal of the entire service?  

Thanks in advance,
Chip

> -----Original Message-----
> From: Scott A. Herod [mailto:herod at interact-tv.com]
> Sent: Wednesday, March 07, 2001 12:39 PM
> To: lug at lug.boulder.co.us
> Subject: Re: [lug] UDP Port 515
> 
> 
> Yep.  See http://www.cert.org/tech_tips/packet_filtering.html
> 
> Scott
> 
> "Atkinson, Chip" wrote:
> > 
> > Is that the rlogin port?
> > 
> > > -----Original Message-----
> > > From: Stephen G. Smith [mailto:ss2chef at hotmail.com]
> > > Sent: Wednesday, March 07, 2001 11:28 AM
> > > To: lug at lug.boulder.co.us
> > > Subject: [lug] UDP Port 515
> > >
> > >
> > > A host on my upstream is doing a scan to UDP port 513 every
> > > 3 minutes..
> > >
> > > What is he looking for?
> > > the scans are blocked but am wondering why that port?
> > >
> > > SGS
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