AOL Proxy Servers not connecting via https - resolved

Thu Sep 25 21:10:39 UTC 2003

A Clue Bat was gently swung by a friendly and clueful (semi-anonymous) 
AOL NetOps guys who contacted me from my post on Nanog. Thanks Nanog,
and this sounds strange from me, but Thank's AOL. :)

And yes, it should have been obvious on my part.. a router 
was configured with a 172.0.0.0/8 netmask. 

> ......there is what we call an RFC1918 issue. AOL was given
> some IPs in the 172.16.x.x range by ARIN. These are valid routable IPs,
> and we use them as IPs for the AOL user's machines (kinda like DHCP). The
> problem is that some people block all of 172.x.x.x thinking it's only for
> non-routable IPs when it's only half that range that is non-routable.
> (172.16.0.0/20 is the routable part). That appears to be the case with
> this one. We've asked ARIN for a different range, and they told us to go
> away, so we are stuck with this issue. If you can ask someone who does
> firewall and/or router ACLs in front of that website, they should be able
> to fix the issue.