diff options
| author | Phil Pennock <pdp@exim.org> | 2011-01-16 22:21:37 -0500 |
|---|---|---|
| committer | Phil Pennock <pdp@exim.org> | 2011-01-16 22:21:37 -0500 |
| commit | 6b8e6cb23ce5cc39a83c7fd0a373c79953351fec (patch) | |
| tree | 56fdea46928e7093330f8ca345af3ada17479880 /doc/doc-docbook | |
| parent | fea24b2ea4e2c2a4b77d6fb222054e32e658b227 (diff) | |
Clarify: tls_verify_certificates is for CA certs.
It can be used for individual user certs but is really intended for
CAs. Note this, and explain that if the tls_verify_certificates value
is a file, then the certs within are sent from the server to clients,
thus is public data.
Diffstat (limited to 'doc/doc-docbook')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 15b3a2b89..160410bd3 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -15431,6 +15431,13 @@ are using OpenSSL, you can set &%tls_verify_certificates%& to the name of a directory containing certificate files. This does not work with GnuTLS; the option must be set to the name of a single file if you are using GnuTLS. +These certificates should be for the certificate authorities trusted, rather +than the public cert of individual clients. With both OpenSSL and GnuTLS, if +the value is a file then the certificates are sent by Exim as a server to +connecting clients, defining the list of accepted certificate authorities. +Thus the values defined should be considered public data. To avoid this, +use OpenSSL with a directory. + .option tls_verify_hosts main "host list&!!" unset .cindex "TLS" "client certificate verification" |