Question RE urllib

[Jeff James]

So I'm using the following script to check our sites to make sure they are
all up and some of them are reporting they are "down" when, in fact, they
are actually up.   These sites do not require a logon in order for the home
page to come up.  Could this be due to some port being blocked internally ?
 Only one of the sites reporting as down is "https" but all are internal
sites.  Is there some other component I should be including in the script ?
 There are about 30 or 40 sites that I have listed in all.  I just use
those in the following script as examples.   Thanks

import urllib

sites = ["http://www.amazon.com/", "https://internalsite.com/intranet.html",
etc.]

for site in sites:
    try:
        urllib.urlopen(site)
        print site + " "
    except Exception, e:
        print site + " is down"
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