[thelist] inaddr arpa, AOL, SSL

Anthony Baratta Anthony at Baratta.com
Tue Apr 17 16:38:42 CDT 2001


At 02:34 PM 4/17/2001, you wrote:
>Hi friends,
>
>I got tasked with a fun one today... a client site has 2 certs, www & www2.
>When using any browsers NOT AOL dialup, a user can access SSL on either of
>those two hosts.  When on AOL dialup, www2 SSL fails.  (this is all on PC)
>So, the only difference I could see was AOL dialup, which really means a)
>there could be a problem with AOL's proxy servers or b) a problem with AOL
>DNS and the www2 service.  So where does the reverse lookup come into play?
>I did an nslookup on the ip for www2.  Nothing was found.  SO!  I'm not an
>expert at DNS *but* could there be an issue with AOL trying to do a reverse
>lookup on a host for an SSL connection and then failing?

Did you try an nslookup on the www2 Domain? Does that resolve to the proper 
IP? AFAIK - SSL doesn't need a reverse lookup to setup a valid connection. 
Besides the reverse lookup would be done by the server about "you" (FTP and 
Telnet and SSH work this way).
----
Anthony Baratta
President
Keyboard Jockeys





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