1 TCP_NODELAY 2 TCP_MAXSEG 3 TCP_CORK 4 TCP_KEEPIDLE 5 TCP_KEEPINTVL 6 TCP_KEEPCNT 7 TCP_SYNCNT 8 TCP_LINGER2 9 TCP_DEFER_ACCEPT 10 TCP_WINDOW_CLAMP 11 TCP_INFO 12 TCP_QUICKACK 13 TCP_CONGESTION 14 TCP_MD5SIG 15 TCP_COOKIE_TRANSACTIONS 16 TCP_THIN_LINEAR_TIMEOUTS 17 TCP_THIN_DUPACK 18 TCP_USER_TIMEOUT 19 TCP_REPAIR 20 TCP_REPAIR_QUEUE 21 TCP_QUEUE_SEQ 22 TCP_REPAIR_OPTIONS 23 TCP_FASTOPEN 24 TCP_TIMESTAMP 25
