Friday, March 20, 2015

networking - SSL Cert for transparent MITM SSL proxy

I would like to set up a transparent SSL corporate proxy with either privoxy or squid.




One of the snags in my plan is understanding what kind of SSL certificate is required. I know I can get a multi-domain / wildcard SSL certificate; however, that is only intended to cover sub-domains for a single organization. It would seem that I need a wildcard cert for every TLD now and future on the planet.



I do not want security warnings popping up when users go through the proxy due to security-checks failing; I would also like to avoid installing a manual CA trust in browsers if possible. However, if commercial solutions are not feasible, what solutions are available for a self-signed cert?



Questions:




  1. Is this possible?

  2. If all constraints cannot be met, what is the best I can do?

  3. What is the least-cost path to success in a mixed windows / linux environment with the following browsers supported: IE, Firefox, Chrome?


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