[Rd] Access to cran.us.r-project.org

A.J. Rossini rossini@u.washington.edu
15 Jul 2001 11:46:14 -0700

>>>>> "DB" == Douglas Bates <bates@stat.wisc.edu> writes:

    DB> I am the maintainer of one of the CRAN mirrors in the U.S.,
    DB> cran.us.r-project.org.  It appears that this site has been
    DB> inaccessible since Friday.

    DB> This has me puzzled because I can connect to the same machine
    DB> through ssh and I can see that the http daemon (apache) is
    DB> running.  In fact I can make an http connection from this
    DB> machine to this machine and from other machines on any of our
    DB> subnets to this machine.

    DB> My only theory is that something has changed at the interface
    DB> between our network and external networds so that it no longer
    DB> forwards incoming packets to port 80.  I can't check this
    DB> easily myself because my outside connection is from a computer
    DB> running Windows and I don't know anything about network
    DB> diagnostics under Windows.

    DB> Could someone tell me a) Does this site indeed appear to be
    DB> down?  b) If you try to trace the route to this site, where
    DB> does the roadblock appear to be?  c) Is there a way of finding
    DB> out if the problem is specific to port 80?

Traceroute gets there. 

16  a0.uwisc.bbnplanet.net (  109.324 ms  109.628 ms
108.532 ms
17  r-peer-WNMadison-gw.net.wisc.edu (  110.048 ms
109.648 ms  109.921 ms
18  r-macc.net.wisc.edu (  111.303 ms  109.753 ms
109.904 ms
19 (  112.013 ms  112.497 ms  113.195
20  e1-2.foundry2.cs.wisc.edu (  111.985 ms  113.530 ms
112.534 ms
21  franz.stat.wisc.edu (  112.077 ms  112.941 ms
111.896 ms
# # command used:    traceroute cran.us.r-project.org

telnet'ing to port 80 "hangs".  Lynx doesn't work either.

I could nmap it, but don't want to be viewed as a hacker... (I'd tell
you the ip-address of the machine in advance).

I think it might be a local config problem?


A.J. Rossini				Rsrch. Asst. Prof. of Biostatistics
U. of Washington Biostatistics		rossini@u.washington.edu	
FHCRC/SCHARP/HIV Vaccine Trials Net	rossini@scharp.org
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