Carter, CentOS and RedHat at the same version level are mostly indistinguishable. Do the this:

1. run ldd /path/to/your/stunnel on each system and compare the output. 2. Compare the logs of the two systems. You may be linking to different openssl in each system. If you can see the culprit, you may want to post your sanitized output. Regards, Jose

On Wednesday, March 2, 2016 1:10 PM, Carter Browne cbcs@comcast.net wrote:

I have a confusing problem I cannot figure out:

I have two systems: one Redhat 5.10 x86, the other CentOs 5.10 x86 I compiled openssl version 1.0.2g on both systems I compiled stunnel 5.31 on both systems In both cases, this was updating older working verions of openssl and stunnel. On the Redhat system I used gcc44 On the CentOS system i used gcc4.1

The CentOS system works as before. On the Redhat system all self signed certificates are rejected.

As I only use self-signed certificates to identify a set of known hosts, this is a problem for me. I tried various verify optios (2 3 4) both nothing changed.

Any idea on how to fix this problem.  What information can I provide you with to help?

Thanks, Carter

Carter Browne cbrowne@cbcs-usa.com

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