Re: broken DNS proxying at public wireless hotspots

From: Steven M. Bellovin (no email)
Date: Sat Feb 03 2007 - 15:11:30 EST

  • Next message: Randy Bush: "NPE needed"

    On Sat, 03 Feb 2007 13:29:13 -0600
    Carl Karsten <> wrote:

    >
    > > Sure I could route dns queries out through a ssh tunnel but the
    > > latency makes this kind of thing unusable at times. instead of an
    > > ssh tunnel, how about simple port forwarding?
    >
    > /etc/resolv.conf
    > nameserver 127.0.0.1
    >
    > And then whatever it takes to forward 127.0.0.1:53 to a dns that is
    > listing on some other port?
    >
    > hmm, I think running a local caching dns was mentioned, but the parts
    > that may have been un-verified:
    >
    > man named
    >
    > -p port
    > Listen for queries on port port. If not specified,
    > the default is port 53.
    >
    > man named.conf
    > everywhere there is an address, there is also the option to
    > specify port: ( ipv4_address | * ) [ port ( integer | * ) ]
    >

    Right, plus 'forward only' in the config file.

                    --Steve Bellovin, http://www.cs.columbia.edu/~smb


  • Next message: Randy Bush: "NPE needed"





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