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I'm using Forefront TMG to do web server publishing & SSO and very little else. Are there any open source alternatives that can satisfy all (or at least most) of these features:

  • Web server publishing
  • Load balancing
  • URL (re)mapping
  • Web based single sign on w/ support for http basic/ntlm/kerberos authentication on the backend web server
  • Ability to add hooks into the login process or even develop your own

Customizing the forms based authentication pages on Forefront is a nightmare of terrible javascript, html, and css. It also doesn't provide a way to hook into the login process. Ideally I'd like to drop it and use something more extensible/free.

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up vote 3 down vote accepted

Looks like Apache httpd should be able to do all those things using:

This is of course not an out-of-the-box solution, but with some googling it shouldn't be to hard to figure out + it's very customizable

btw. the next Forefront TMG version should be much better... ;)

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the next TMG better be. We waited so long with our aging 2003 ISA and when we moved to TMG and found out it was almost identical. – Mark Henderson Oct 29 '10 at 1:22
Thanks, this looks promising. Looks like apache is adding forms based authentication too: – Josh Rickard Oct 31 '10 at 1:51
"the next Forefront TMG version should be much better" - that's a good joke, now that Microsoft announced the death of TMG:… – Nelson Reis Mar 13 '13 at 10:17

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