stunnel activates compression even when disabled in the configuration
Environment
- Red Hat Enterprise Linux (RHEL) 6
stunnelopenssl-1.0.0-20.el6_2.5
Issue
Compression is performed before encryption with stunnel, while data that is supposed to traverse via the stunnel should not be compressed. How to disable the compression?
Resolution
Upgrade openssl to the latest version. In openssl-1.0.0-27.el6_4.2, there has been a change implemented that disables compression by default. For more information, please refer to the openssl-1.0.0-27.el6_4.2 changelog.
Root Cause
openssl-1.0.0-20.el6_2.5 does not disable compression by default.
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