+enum forwarder_type {
+ /**< Don't use a SOCKS server */
+ SOCKS_NONE = 0,
+ /**< original SOCKS 4 protocol */
+ SOCKS_4 = 40,
+ /**< SOCKS 4A, DNS resolution is done by the SOCKS server */
+ SOCKS_4A = 41,
+ /**< SOCKS 5 with hostnames, DNS resolution is done by the SOCKS server */
+ SOCKS_5 = 50,
+ /**< Like SOCKS5, but uses non-standard Tor extensions (currently only optimistic data) */
+ SOCKS_5T,
+};