be the 128 bit MD5 checksum of the remote host's public key, curl will refuse
the connection with the host unless the md5sums match. (Added in 7.17.1)
.IP "--ignore-content-length"
-(HTTP)
-Ignore the Content-Length header. This is particularly useful for servers
-running Apache 1.x, which will report incorrect Content-Length for files
-larger than 2 gigabytes.
+For HTTP, Ignore the Content-Length header. This is particularly useful for
+servers running Apache 1.x, which will report incorrect Content-Length for
+files larger than 2 gigabytes.
+
+For FTP (since 7.46.0), skip the RETR command to figure out the size before
+downloading a file.
.IP "-i, --include"
(HTTP) Include the HTTP-header in the output. The HTTP-header includes things
like server-name, date of the document, HTTP-version and more...