X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/26e72755c101f59e24735e9ca9a320d5f1ebc2b7..f5d786885721c374cc22a1f1311ca01408a496fd:/doc/doc-txt/experimental-spec.txt diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt index 8d1ebef13..385f0526e 100644 --- a/doc/doc-txt/experimental-spec.txt +++ b/doc/doc-txt/experimental-spec.txt @@ -69,7 +69,7 @@ starts retrying to fetch an OCSP proof some time before its current proof expires. The downside is that it requires server support. If Exim is built with EXPERIMENTAL_OCSP and it was built with OpenSSL, -then it gains one new option: "tls_ocsp_file". +then it gains a new global option: "tls_ocsp_file". The file specified therein is expected to be in DER format, and contain an OCSP proof. Exim will serve it as part of the TLS handshake. This @@ -86,10 +86,15 @@ next connection. Exim will check for a valid next update timestamp in the OCSP proof; if not present, or if the proof has expired, it will be ignored. +Also, given EXPERIMENTAL_OCSP and OpenSSL, the smtp transport gains +a "hosts_require_ocsp" option; a host-list for which an OCSP Stapling +is requested and required for the connection to proceed. The host(s) +should also be in "hosts_require_tls", and "tls_verify_certificates" +configured for the transport. + At this point in time, we're gathering feedback on use, to determine if it's worth adding complexity to the Exim daemon to periodically re-fetch -OCSP files and somehow handling multiple files. There is no client support -for OCSP in Exim, this is feature expected to be used by mail clients. +OCSP files and somehow handling multiple files.