On Wed, Jul 25, 2007 at 04:23:27PM -0700, David Brodbeck wrote: > > On Jul 25, 2007, at 3:47 PM, Andrew Sackville-West wrote: > >> I get a lot of these in my tcpdump on my machine: >> >> 15:45:47.427003 IP basement.ipp > 192.168.1.31.ipp: UDP, length 129 >> 15:45:48.427004 IP basement.ipp > 192.168.1.31.ipp: UDP, length 167 >> >> 192.168.1.31 is my broadcast address, and basement is me. They usually >> come in pairs like this, though sometimes split up by other >> traffic. Always, though, its one of length 129 and one of >> 167 > > IPP is Internet Printing Protocol. My guess is CUPS is probably set to > broadcast to other systems so they can automatically discover printers. doh. thanks. I knew it was something like that... I had some spurious net traffic today on my local machine which has a couple ports forwarded to it. I had the torrent ports still open from downloading an RMS talk the other day, and it was causing all sorts of activity. The short of it is, I ended up watching my tcpdump for a while and... well, you start to freak out about stuff... A
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