The following TCP/IP settings have been identified as beneficial to servers running web servers.
ndd -set /dev/tcp tcp_close_wait_interval 45000 ndd -set /dev/tcp tcp_mss_max 6000 ndd -set /dev/tcp tcp_fin_wait_2_flush_interval 16000 ndd -set /dev/ip ip_path_mtu_discovery 0 ndd -set /dev/tcp tcp_conn_req_max_q 1024 ndd -set /dev/tcp tcp_conn_req_max_q0 1024 ndd -set /dev/tcp tcp_conn_req_min 1 ndd -set /dev/tcp tcp_xmit_hiwat 65535 ndd -set /dev/tcp tcp_recv_hiwat 65535 ndd -set /dev/tcp tcp_cwnd_max 65534 ndd -set /dev/tcp tcp_keepalive_interval 90000 ndd -set /dev/tcp tcp_ip_abort_interval 60000 ndd -set /dev/tcp tcp_ip_abort_cinterval 60000 ndd -set /dev/tcp tcp_rexmit_interval_initial 3000 ndd -set /dev/tcp tcp_rexmit_interval_min 3000 ndd -set /dev/tcp tcp_rexmit_interval_max 10000 ndd -set /dev/tcp tcp_conn_grace_period 500 ndd -set /dev/ip ip_ignore_redirect 1 ndd -set /dev/tcp tcp_slow_start_initial 2