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Searched refs:syncookies (Results 1 – 6 of 6) sorted by relevance

/linux/net/mptcp/
H A DMakefile8 obj-$(CONFIG_SYN_COOKIES) += syncookies.o
/linux/tools/testing/selftests/net/
H A Dfcnal-test.sh1136 local syncookies=$1
1149 ip netns exec "${NSA}" sysctl -wq net.ipv4.tcp_syncookies=${syncookies}
1150 ip netns exec "${NSB}" sysctl -wq net.ipv4.tcp_syncookies=${syncookies}
1157 log_test_addr ${a} $? 0 "SO_DONTROUTE client, syncookies=${syncookies}"
1162 log_test_addr ${a} $? 0 "SO_DONTROUTE server, syncookies=${syncookies}"
1175 log_test_addr ${a} $? 1 "SO_DONTROUTE client, syncookies=${syncookies}"
1181 log_test_addr ${a} $? 2 "SO_DONTROUTE server, syncookies=${syncookies}"
/linux/net/ipv6/netfilter/
H A DKconfig228 establish them using syncookies before they are passed on to the
/linux/net/ipv4/
H A Dtcp_input.c7499 u8 syncookies; in tcp_syn_flood_action() local
7501 syncookies = READ_ONCE(net->ipv4.sysctl_tcp_syncookies); in tcp_syn_flood_action()
7504 if (syncookies) { in tcp_syn_flood_action()
7512 if (syncookies != 2 && !READ_ONCE(queue->synflood_warned)) { in tcp_syn_flood_action()
7601 u8 syncookies; in tcp_conn_request() local
7616 syncookies = READ_ONCE(net->ipv4.sysctl_tcp_syncookies); in tcp_conn_request()
7618 if (syncookies == 2 || inet_csk_reqsk_queue_is_full(sk)) { in tcp_conn_request()
7680 if (!syncookies && in tcp_conn_request()
H A DKconfig283 about SYN cookies, check out <https://cr.yp.to/syncookies.html>.
/linux/net/ipv4/netfilter/
H A DKconfig214 establish them using syncookies before they are passed on to the