Hello all,
Have any of you experienced Tomcat changing the *domain name* of the request to
"localhost" when you're trying to automatically redirect from HTTP to HTTPS? We know
that it's supposed to change the protocol and the port, but the domain as well?
Here's the situation:
I have a directory ("db") on my site (for the sake of this email, "www.mysite.com")
that I want to protect using SSL. Additionally, I need any wayward HTTP requests to
this directory to be automatically redirected to HTTPS to ensure that they are
SSL-encrypted.
To set this up, I followed the SSL Configuration How-To, created the keystore, and
generated a private key. I then edited /conf/server.xml and /WEB-INF/web.xml (details
below) to automatically redirect those certain HTTP requests over to HTTPS. Finally,
I restarted Tomcat.
Now when I reference my HTTPS URL *directly*, SSL kicks in, the browser padlock is
locked, and everything works great:
https://www.mysite.com:8443/db/index.jsp
As I stated, however, I've configured the HTTP request:
http://www.mysite.com:8080/db/index.jsp
To automatically redirect to that HTTPS URL from above:
https://www.mysite.com:8443/db/index.jsp
BUT, for some reason, Tomcat is changing the domain to LOCALHOST:
https://localhost:8443/db/index.jsp
So... basically, Tomcat's got it about 80% right. The protocol and port were
succesfully redirected (http 8080 -> https 8443), but the domain was changed. This
instance of Tomcat is on a remote machine, *NOT* my local machine, so localhost fails.
My question -- why would Tomcat be changing the server name in such a way?
FYI, here is the relevant code from conf/server.xml:
---------------------------------
---------------------------------
Here is the relevant code from web.xml:
---------------------------------
Secure SSL Access
/db/*
CONFIDENTIAL
---------------------------------
Note that I have:
* uncommented the SSL connector
* properly set the HTTP connector's redirectPort to SSL's 8443
* changed the Engine's defaulthost to www.mysite.com
* changed the Host's name to www.mysite.com
* set the url-pattern match to /db/* in web.xml
* added the CONFIDENTIAL transport-guarantee
Nothing really extraordinary here. Moreover, a grep for "localhost" in both of these
files returns zero results. I'm just not sure where it's coming from ... especially
when Tomcat seems to be doing everything *else* correctly here.
Any ideas? Thanks in advance!!
-Steve Baker
p.s. Performing a brute force solution such as:
--------------------
if (request.getScheme().equals("http")) {
// oops! response.Redirect() to the https URL instead.
}
--------------------
... at the top of every .jsp in my HTTPS-only directory isn't going to be the right
choice for this particular project. I will eventually employ that as a backup to
ensure security, but I don't wish to go with that as my first line of defense...
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