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Hacking the Actiontec 56k Modem/Gateway

Posted by michael on from the dsl-backup dept.

william_lorenz writes "The Actiontec Dual 56k External Modem is an inexpensive device with a built-in 56k modem and two Ethernet ports that can be used as an Internet gateway of sorts. What's great about it is that it runs some form of uClinux, it's easily hackable, and Greg Boehnlein of the Linux Users Group of Cleveland and NOOSS fame recently contributed a detailed report on his findings! Pictures of the board are also available here, here, and here. Lots of specific details are included in Greg's article, and there's been some further discussions about this on the LUGC mailing lists."

4 of 233 comments (clear)

  1. possible to hack cable/adsl routers? by narkotix · · Score: 5, Interesting

    Would it be possible to hack an adsl/cable router to be used as a simple webserver? For a low traffic and static site it would be perfect for my business website hosting needs. 10watts consumption...fanless operation...and small footprint it sounds like a dream! I could even imagine other hacks like interfacing a larger amount of flash storage or running a real low end db &scripting engine to have behaviour like mysql/php3 together.

    --
    We played dungeons and dragons for 3 hours.....then i was slain by an elf
    1. Re:possible to hack cable/adsl routers? by zakezuke · · Score: 4, Interesting

      So it's a cute idea, probably do-able, but not worth it in practice. You'd be better off going with a cheap bare bones system running Linux or FreeBSD. No CD or floppy drive and underclock it to reduce power consumption.

      One thing I know i've discussed over a pint of beer are remote observation stations, trivial little devices that measure temprature, water level, that sorta thing. Out of the way places with NO easy access to landlines.

      If you are talking off the shelf barebones system, you are talking a minium of 60watts for basic option. 10watts is a hell of alot more attractive if your power source is something like solar and battery storage.

      --
      There is no sanctuary. There is no sanctuary. SHUT UP! There is no shut up. There is no shut up.
  2. Re:56k gateways by zakezuke · · Score: 4, Interesting

    56k is better then nothing. Keep in mind also the fact that primarly text information gets compressed unlike in broadband technologies. Keep in mind that many a small business or small remote office doesn't nessicarly need lots and lots of bandwidth just to get e-mail.

    Hackability? Well I'm somewhat curious what they can do with such a device. The first thing that comes to mind is a standby gateway that goes online when the primary gateway fails. This would be MOST handy.

    --
    There is no sanctuary. There is no sanctuary. SHUT UP! There is no shut up. There is no shut up.
  3. NOT "dual modem" -- rather 1 modem, 2 users by sonamchauhan · · Score: 4, Interesting

    The "dual modem" mention in the article header made me think for a moment this product allowed multiple users to share a composite link. (See my earlier post on this topic). Rather this product allows 2 users to share *one* link.

    A composite link to two *different* ISP could be implemented quite simply by say, using a proxy server to multiplex outbound HTTP requests among multiple interfaces (each interface corresponding to one phone connection).

    This approach is more coarse-grained and inefficient than TCP/IP-level channel bonding. However, it would still be useful for places out in the boondocks where you can get two telephone lines, but no broadband. Also, its efficiency could be improved by using HTTP functionality that allows specific byte-ranges to be downloaded for a particular resource.