pass  out on fxp0 inet proto tcp from (fxp0) to any flags S/SA \
	keep state queue(std_out, tcp_ack_out)
pass  out on fxp0 inet proto { udp icmp } from (fxp0) to any keep state
pass  out on fxp0 inet proto { tcp udp } from (fxp0) to any port domain \
	keep state queue dns_out
pass  out on fxp0 inet proto tcp from (fxp0) to any port $ssh_ports \
	flags S/SA keep state queue(std_out, ssh_im_out)
pass  out on fxp0 inet proto tcp from (fxp0) to any port $im_ports \
	flags S/SA keep state queue(ssh_im_out, tcp_ack_out