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net-pf-18 errors in modprobe

Discussion in 'General Discussion' started by SarcNBit, Jul 14, 2004.

  1. SarcNBit

    SarcNBit Well-Known Member

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    I see these very sparsely on various servers. I know how to make the messages go away (add an 'alias net-pf-18 off' line to your /etc/modules.conf for those that may be wondering).

    What I am wondering, is if anyone had any good idea of what exactly would be generating this kind of traffic (ASH flag).

    From /usr/src/linux/include/linux/socket.h:

    /* Supported address families. */
    #define AF_ASH 18 /* Ash */
     
  2. chirpy

    chirpy Well-Known Member

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    Yeah, I see those on occassion too and usually follow the same advice to switch them off in modules.conf.

    Well, I searched high and low looking for something other than the line in sockets.sh and came up empty. Unless the Ash socket has anything to do with the ash shell, I'm at a loss:
    http://en.wikipedia.org/wiki/Almquist_shell
     
  3. SarcNBit

    SarcNBit Well-Known Member

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    I read a few posts from the debian mailing list yesterday that seemed to indicate that the protocol had nothing to do with the ash shell. I really have no idea however.

    I came across
    this page from HP mentioning it as a socket flag that is unsupported in HP-UX, but it offers no real additional information.

    Curiousity is getting the best of me, but my work load is beating it down. I will post back if I find anything more.
     
  4. SarcNBit

    SarcNBit Well-Known Member

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    Once you know what it means, the research gets a whole lot easier ;)

    After reading through literally hundreds of pages of irrelvent garbage .......................




    Application Session Handoff
     
  5. chirpy

    chirpy Well-Known Member

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    Aha! Well done ;) I bet you'll still just setup a modules alias anyway :)
     
  6. SarcNBit

    SarcNBit Well-Known Member

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    More than likely :D
     
  7. verdon

    verdon Well-Known Member

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    I get these somedays and somedays not. Sometimes only 1 Time(s) and sometimes for many. This is a new server for me and I'm just getting this sorted out now.

    These are the ones I get, and what they are...

    Can't locate these modules:
    net-pf-4: 1 Time(s)
    net-pf-11: 1 Time(s)
    net-pf-5: 1 Time(s)
    net-pf-9: 1 Time(s)
    net-pf-18: 1 Time(s)


    net-pf-4: -> ipx
    net-pf-11: -> rose
    net-pf-5: -> appletalk
    net-pf-9: -> x25
    net-pf-18: -> ASH

    I found these references on one mailing list...
    I also found a pretty good list of what these protocals are at this url: http://www.cs.duke.edu/~reynolds/m5n/modprobe.conf

    So, as I don't believe I need these protocals, and these are likely somebody poking at my server looking for holes, I think the alias in /etc/modules.conf should be all I need to do.

    regards,
     
  8. chirpy

    chirpy Well-Known Member

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    That does seem to be the best course of action.
     
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