SOCKS is an Internet protocol that routes packets between a client and a server through a proxy server. SOCKS5, if supported, additionally provides authentication so only authorized users may access a server.

Methods
C
N
Class Public methods
SOCKSSocket.new(host, serv) => socket

Opens a SOCKS connection to host via the SOCKS server serv.

Source: show 

static VALUE
socks_init(VALUE sock, VALUE host, VALUE serv)
{
    static int init = 0;

    if (init == 0) {
        SOCKSinit("ruby");
        init = 1;
    }

    return rsock_init_inetsock(sock, host, serv, Qnil, Qnil, INET_SOCKS);
}
new(host, serv)

Source: show | on GitHub 

# File ../ruby/lib/resolv-replace.rb, line 71
def initialize(host, serv)
  original_resolv_initialize(IPSocket.getaddress(host), port)
end
Instance Public methods
close()

Closes the SOCKS connection.

Source: show 

static VALUE
socks_s_close(VALUE sock)
{
    rb_io_t *fptr;

    if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) {
        rb_raise(rb_eSecurityError, "Insecure: can't close socket");
    }
    GetOpenFile(sock, fptr);
    shutdown(fptr->fd, 2);
    return rb_io_close(sock);
}