[UCIMC-Tech] no Google access for Bike Project, please help
Stuart Levy
slevy at ncsa.uiuc.edu
Wed Sep 24 14:32:34 CDT 2008
On Wed, Sep 24, 2008 at 02:16:44PM -0500, Barry Isralewitz wrote:
> Hi,
>
> To anyone working on the building network this week, helping with with the
> current servers/websites outage:
>
> Please fix Google domain access for the Bike Project shop - at least for
> wired ethernet and (if time) also for basement wireless ethernet.
I tried doing a tcpdump from a Mac laptop last weekend while on the IMC net.
After exchanging a few packets, google sends a RST -- or at least that's the
way it looks on the wire.
Is it possible this is a TCP ECN problem, where the RST isn't actually
coming from google but is a misfeature of the router? What's doing the
routing from IMC-net to the rest of the world -- a dedicated box, or a FreeBSD
host, or what?
> Do you need Bike Project to chip in money for some required equipment
> (or soley purchase it)? Would my own help for an evening be useful?
> (mid-level networking, Unix admin scripting/programming skills, can
> build ethernet cables, lift somewhat-heavy things). On that last point
> -- do we have any internal documentation for building network setup,
> routers, firewalls, etc?
>
>
> I've been regularly asking for help with this for 4 months now,
> Bike Project needss web access to our own organization tools more than
> ever, this really is critical time because of recent increases in members and
> staff.
>
> (Note: nothing to do with current website outage)
>
> Problem is: we can't access thousands of sites that happen to use tiny
> components served by Google. Also, no gmail (often vital) or google
> searches (not a problem, Yahoo is acceptable). Has not worked for us
> since the connection was hooked up, late April 2008. Everything works
> except the handful of google-owned sites, and the vast army of
> google-using sites.Been complaining for last 4 months since imc-tech
> list, individual tech people (who have kindly spent some time trying to
> fix this, but too busy to complete fix), at meetings (admittedly
> non-tech ones). Not our computer's fault, my Mac laptop sees same weird
> problem -- and it has connected just fine to google-sites and google on
> hundreds of networks.
>
> Firewall problem? Other?
>
> What can we do to get this fixed?
>
>
>
>
>
> If this has been worked on and fixed since I checked last week, sorry
> for rant, and thanks!
>
> If not fixed, please help.
>
> Barry
>
> --
> Barry Isralewitz, Ph. D.
> Theoretical and Computational Biophysics Group,
> University of Illinois at Urbana-Champaign
> Beckman 3043 Phone: (217) 244-1612 Home Phone: (217) 337-6364
> email: barryi at ks.uiuc.edu http://www.ks.uiuc.edu/~barryi
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