Inactive. If you are getting this alert, it means your rules are very out of date. This rule is no longer required.
Atomicorp.com WAF Rules: Dis-allowed Transfer Encoding - modsecurity does not support this encoding and can not detect attacks using it, therefore it is blocked.
modsecurity, the WAF used, does not support Transfer Encoding, therefore it can not see or evaluate any traffic encoded in this manner. If an attack were to be encoded in this way the WAF would not catch it, therefore the WAF is configured to block this traffic.
None. This does not have any known false positives. If it triggers it means Transfer Encoding is being used. If you allow Transfer Encoding by disabling this rule you will open your system up to attacks that ASL can not detect or prevent.