west:~# TESTNAME=ikev2-07-biddown west:~# source /testing/pluto/bin/westlocal.sh west:~# export PLUTO_EVENT_RETRANSMIT_DELAY=3 west:~# export PLUTO_MAXIMUM_RETRANSMISSIONS_INITIAL=4 west:~# iptables -A INPUT -i eth1 -s 192.0.2.0/24 -j DROP west:~# iptables -F OUTPUT west:~# iptables -A OUTPUT -o eth1 -p udp --dport 500 -m recent --rcheck --hitcount 6 -j ACCEPT west:~# iptables -A OUTPUT -o eth1 -p udp --dport 500 -m recent --set -j DROP west:~# ipsec setup start ipsec_setup: Starting Libreswan IPsec VERSION west:~# ipsec whack --whackrecord /var/tmp/ikev2.record west:~# ipsec auto --add westnet-eastnet-ikev2 west:~# ipsec auto --status 000 using kernel interface: klips 000 interface ipsec0/eth1 192.1.2.45 000 %myid = (none) 000 debug none 000 000 algorithm ESP encrypt: id=3, name=ESP_3DES, ivlen=64, keysizemin=192, keysizemax=192 000 algorithm ESP encrypt: id=12, name=ESP_AES, ivlen=128, keysizemin=128, keysizemax=256 000 algorithm ESP auth attr: id=1, name=AUTH_ALGORITHM_HMAC_MD5, keysizemin=128, keysizemax=128 000 algorithm ESP auth attr: id=2, name=AUTH_ALGORITHM_HMAC_SHA1, keysizemin=160, keysizemax=160 000 algorithm ESP auth attr: id=9, name=AUTH_ALGORITHM_AES_CBC, keysizemin=128, keysizemax=128 000 000 algorithm IKE encrypt: id=3, name=OAKLEY_BLOWFISH_CBC, blocksize=8, keydeflen=128 000 algorithm IKE encrypt: id=5, name=OAKLEY_3DES_CBC, blocksize=8, keydeflen=192 000 algorithm IKE encrypt: id=7, name=OAKLEY_AES_CBC, blocksize=16, keydeflen=128 000 algorithm IKE encrypt: id=65004, name=OAKLEY_SERPENT_CBC, blocksize=16, keydeflen=128 000 algorithm IKE encrypt: id=65005, name=OAKLEY_TWOFISH_CBC, blocksize=16, keydeflen=128 000 algorithm IKE encrypt: id=65289, name=OAKLEY_TWOFISH_CBC_SSH, blocksize=16, keydeflen=128 000 algorithm IKE hash: id=1, name=OAKLEY_MD5, hashsize=16 000 algorithm IKE hash: id=2, name=OAKLEY_SHA1, hashsize=20 000 algorithm IKE hash: id=4, name=OAKLEY_SHA2_256, hashsize=32 000 algorithm IKE hash: id=6, name=OAKLEY_SHA2_512, hashsize=64 000 algorithm IKE dh group: id=2, name=OAKLEY_GROUP_MODP1024, bits=1024 000 algorithm IKE dh group: id=5, name=OAKLEY_GROUP_MODP1536, bits=1536 000 algorithm IKE dh group: id=14, name=OAKLEY_GROUP_MODP2048, bits=2048 000 algorithm IKE dh group: id=15, name=OAKLEY_GROUP_MODP3072, bits=3072 000 algorithm IKE dh group: id=16, name=OAKLEY_GROUP_MODP4096, bits=4096 000 algorithm IKE dh group: id=17, name=OAKLEY_GROUP_MODP6144, bits=6144 000 algorithm IKE dh group: id=18, name=OAKLEY_GROUP_MODP8192, bits=8192 000 000 stats db_ops: {curr_cnt, total_cnt, maxsz} :context={0,0,0} trans={0,0,0} attrs={0,0,0} 000 000 "westnet--eastnet-ikev2": 192.0.1.0/24===192.1.2.45<192.1.2.45>[@west,S=C]...192.1.2.23<192.1.2.23>[@east,S=C]===192.0.2.0/24; unrouted; eroute owner: #0 000 "westnet--eastnet-ikev2": myip=unset; hisip=unset; 000 "westnet--eastnet-ikev2": ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 12 000 "westnet--eastnet-ikev2": policy: RSASIG+ENCRYPT+TUNNEL+PFS+IKEv2ALLOW+IKEv2Init; prio: 24,24; interface: eth1; 000 "westnet--eastnet-ikev2": newest ISAKMP SA: #0; newest IPsec SA: #0; 000 000 west:~# ipsec whack --debug-control --debug-controlmore west:~# /testing/pluto/bin/wait-until-pluto-started west:~# echo done done west:~# ipsec whack --debug-whackwatch --name westnet--eastnet-ikev2 --initiate 002 "westnet--eastnet-ikev2": extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #1: initiating v2 parent SA 133 "westnet--eastnet-ikev2" #1: STATE_PARENT_I1: initiate 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #1: sendto on eth1 to 192.1.2.23:500 failed in ikev2_parent_outI1_common. Errno 1: Operation not permitted 133 "westnet--eastnet-ikev2" #1: STATE_PARENT_I1: sent v2I1, expected v2R1 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #1: sendto on eth1 to 192.1.2.23:500 failed in EVENT_v2_RETRANSMIT. Errno 1: Operation not permitted 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #1: sendto on eth1 to 192.1.2.23:500 failed in EVENT_v2_RETRANSMIT. Errno 1: Operation not permitted 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: whackwatch 031 "westnet--eastnet-ikev2" #1: max number of retransmissions (2) reached STATE_PARENT_I1. No response (or no acceptable response) to our first IKE message 000 "westnet--eastnet-ikev2" #1: starting keying attempt 2 of at most 12 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #2: initiating v2 parent SA to replace #1 133 "westnet--eastnet-ikev2" #2: STATE_PARENT_I1: initiate, replacing #1 002 "westnet--eastnet-ikev2" #1: extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #2: sendto on eth1 to 192.1.2.23:500 failed in ikev2_parent_outI1_common. Errno 1: Operation not permitted 133 "westnet--eastnet-ikev2" #2: STATE_PARENT_I1: sent v2I1, expected v2R1 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #2: sendto on eth1 to 192.1.2.23:500 failed in EVENT_v2_RETRANSMIT. Errno 1: Operation not permitted 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: whackwatch 003 ERROR: "westnet--eastnet-ikev2" #2: sendto on eth1 to 192.1.2.23:500 failed in EVENT_v2_RETRANSMIT. Errno 1: Operation not permitted 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: whackwatch 031 "westnet--eastnet-ikev2" #2: max number of retransmissions (2) reached STATE_PARENT_I1. No response (or no acceptable response) to our first IKE message 000 "westnet--eastnet-ikev2" #2: starting keying attempt 3 of at most 12 000 "westnet--eastnet-ikev2" #2: next attempt will be IKEv1 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #3: initiating Main Mode to replace #2 104 "westnet--eastnet-ikev2" #3: STATE_MAIN_I1: initiate, replacing #2 002 "westnet--eastnet-ikev2" #2: extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 003 "westnet--eastnet-ikev2" #3: received Vendor ID payload [Libreswan 003 "westnet--eastnet-ikev2" #3: received Vendor ID payload [Dead Peer Detection] 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 106 "westnet--eastnet-ikev2" #3: STATE_MAIN_I2: sent MI2, expecting MR2 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 108 "westnet--eastnet-ikev2" #3: STATE_MAIN_I3: sent MI3, expecting MR3 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 003 "westnet--eastnet-ikev2" #3: received Vendor ID payload [CAN-IKEv2] 002 "westnet--eastnet-ikev2" #3: Main mode peer ID is ID_FQDN: '@east' 002 "westnet--eastnet-ikev2" #3: Bid-down to IKEv1 attack detected, attempting to rekey connection with IKEv2 004 "westnet--eastnet-ikev2" #3: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=aes_128 prf=oakley_sha group=modp1536} 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #4: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #4: initiating v2 parent SA to replace #3 133 "westnet--eastnet-ikev2" #4: STATE_PARENT_I1: initiate, replacing #3 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: whackwatch 002 "westnet--eastnet-ikev2" #3: ISAKMP SA expired (LATEST!) 002 "westnet--eastnet-ikev2" #3: extra debugging enabled for connection: none 002 "westnet--eastnet-ikev2" #4: extra debugging enabled for connection: whackwatch 133 "westnet--eastnet-ikev2" #4: STATE_PARENT_I1: sent v2I1, expected v2R1 002 "westnet--eastnet-ikev2" #4: extra debugging enabled for connection: whackwatch 134 "westnet--eastnet-ikev2" #5: STATE_PARENT_I2: sent v2I2, expected v2R2 {auth=IKEv2 cipher=aes_128 integ=sha1 prf=oakley_sha group=modp1536} 002 "westnet--eastnet-ikev2" #5: negotiated tunnel [192.0.1.0,192.0.1.255] -> [192.0.2.0,192.0.2.255] 004 "westnet--eastnet-ikev2" #5: STATE_PARENT_I3: PARENT SA established tunnel mode west:~# ipsec look west NOW 192.0.1.0/24 -> 192.0.2.0/24 => tun0xIPIP@192.1.2.23 esp0xESPSPI@192.1.2.23 ipsec0->eth1 mtu=16260(9999)->1500 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.45 ESP_AES_HMAC_SHA1: dir=in src=192.1.2.23 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.45 IPIP: dir=in src=192.1.2.23 policy=192.0.2.0/24->192.0.1.0/24 flags=0x8<> natencap=none natsport=0 natdport=0 ROUTING TABLE 192.1.2.0/24 dev eth1 proto kernel scope link src 192.1.2.45 192.1.2.0/24 dev ipsec0 proto kernel scope link src 192.1.2.45 192.0.2.0/24 dev ipsec0 scope link default via 192.1.2.254 dev eth1 west:~# echo done done west:~# west:~# west:~# if [ -f /tmp/core ]; then echo CORE FOUND; mv /tmp/core /var/tmp; fi west:~#