Documented --dns-* options in curl manpage

diff --git a/docs/curl.1 b/docs/curl.1
index 6061f93ac9fef7e6d206027cecff19cb9b8d4e02..52714eadbfacab194efb4e1acd2f482806b7aa7f 100644 (file)
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -396,6 +396,39 @@ is an alias for \fB--disable-epsv\fP.
 
 Disabling EPSV only changes the passive behavior. If you want to switch to
 active mode you need to use \fI-P, --ftp-port\fP.
+.IP "--dns-interface <interface>"
+Tell curl to send outgoing DNS requests through <interface>. This option
+is a counterpart to \fI--interface\fP (which does not affect DNS). The
+supplied string must be an interface name (not an address).
+
+This option requires that libcurl was built with a resolver backend that
+supports this operation. The c-ares backend is the only such one. (Added in
+7.33.0)
+.IP "--dns-ipv4-addr <ip-address>"
+Tell curl to bind to <ip-address> when making IPv4 DNS requests, so that
+the DNS requests originate from this address. The argument should be a
+single IPv4 address.
+
+This option requires that libcurl was built with a resolver backend that
+supports this operation. The c-ares backend is the only such one.  (Added in
+7.33.0)
+.IP "--dns-ipv6-addr <ip-address>"
+Tell curl to bind to <ip-address> when making IPv6 DNS requests, so that
+the DNS requests originate from this address. The argument should be a
+single IPv6 address.
+
+This option requires that libcurl was built with a resolver backend that
+supports this operation. The c-ares backend is the only such one.  (Added in
+7.33.0)
+.IP "--dns-servers <ip-address,ip-address>"
+Set the list of DNS servers to be used instead of the system default.
+The list of IP addresses should be separated with commas. Port numbers
+may also optionally be given as \fI:<port-number>\fP after each IP
+address.
+
+This option requires that libcurl was built with a resolver backend that
+supports this operation. The c-ares backend is the only such one.  (Added in
+7.33.0)
 .IP "-e, --referer <URL>"
 (HTTP) Sends the "Referer Page" information to the HTTP server. This can also
 be set with the \fI-H, --header\fP flag of course.  When used with