Cached DNS hosts are shared across the easy handles using this shared
object. Note that when you use the multi interface, all easy handles added to
-the same multi handle share DNS cache by default without using this option.
+the same multi handle share the DNS cache by default without using this option.
## CURL_LOCK_DATA_SSL_SESSION
-SSL session IDs are shared across the easy handles using this shared
+SSL sessions are shared across the easy handles using this shared
object. This reduces the time spent in the SSL handshake when reconnecting to
-the same server. Note SSL session IDs are reused within the same easy handle
-by default. Note this symbol was added in 7.10.3 but was not implemented until
+the same server. This symbol was added in 7.10.3 but was not implemented until
7.23.0.
-It is not supported to share SSL sessions between multiple concurrent threads.
+Note that when you use the multi interface, all easy handles added to the same
+multi handle share the SSL session cache by default without using this option.
## CURL_LOCK_DATA_CONNECT
existed before this.
Note that when you use the multi interface, all easy handles added to the same
-multi handle shares connection cache by default without using this option.
+multi handle share the connection cache by default without using this option.
## CURL_LOCK_DATA_PSL
Added in 7.61.0.
Note that when you use the multi interface, all easy handles added to the same
-multi handle shares PSL cache by default without using this option.
+multi handle share the PSL cache by default without using this option.
## CURL_LOCK_DATA_HSTS