TCPDUMP

moon# tcpdump -i eth0 not port ssh and not port domain and not arp > /tmp/tcpdump.log 2>&1 &

PRE-TEST

moon# /etc/init.d/iptables start 2> /dev/null
 * Caching service dependencies ...                                       [ ok ]
 * Starting firewall ...                                                  [ ok ]

carol# /etc/init.d/iptables start 2> /dev/null
 * Caching service dependencies ...                                       [ ok ]
 * Starting firewall ...                                                  [ ok ]

moon# ipsec start
Starting strongSwan 4.3.6 IPsec [starter]...

carol# ipsec start
Starting strongSwan 4.3.6 IPsec [starter]...

carol# sleep 1 

carol# ipsec up home
002 "home" #1: initiating Main Mode
104 "home" #1: STATE_MAIN_I1: initiate
003 "home" #1: ignoring Vendor ID payload [strongSwan]
003 "home" #1: received Vendor ID payload [XAUTH]
003 "home" #1: received Vendor ID payload [Dead Peer Detection]
106 "home" #1: STATE_MAIN_I2: sent MI2, expecting MR2
002 "home" #1: we have a cert and are sending it upon request
108 "home" #1: STATE_MAIN_I3: sent MI3, expecting MR3
002 "home" #1: Peer ID is ID_FQDN: 'moon.strongswan.org'
002 "home" #1: crl not found
002 "home" #1: certificate status unknown
002 "home" #1: ISAKMP SA established
004 "home" #1: STATE_MAIN_I4: ISAKMP SA established
002 "home" #2: initiating Quick Mode PUBKEY+ENCRYPT+TUNNEL+PFS+UP {using isakmp#1}
112 "home" #2: STATE_QUICK_I1: initiate
002 "home" #2: sent QI2, IPsec SA established {ESP=>0x422098e9 <0xc608632c}
004 "home" #2: STATE_QUICK_I2: sent QI2, IPsec SA established {ESP=>0x422098e9 <0xc608632c}


TEST

carol# ipsec status | grep 'home.*STATE_QUICK_I2.*IPsec SA established' [YES]
000 #2: "home" STATE_QUICK_I2 (sent QI2, IPsec SA established); EVENT_SA_REPLACE in 950s; newest IPSEC; eroute owner

moon# ipsec status | grep 'rw.*STATE_QUICK_R2.*IPsec SA established' [YES]
000 #2: "rw"[2] 192.168.0.100 STATE_QUICK_R2 (IPsec SA established); EVENT_SA_REPLACE in 1110s; newest IPSEC; eroute owner

carol# ping -c 1 -s 120 -p deadbeef 10.1.0.10 | grep '128 bytes from 10.1.0.10: icmp_seq=1' [YES]
128 bytes from 10.1.0.10: icmp_seq=1 ttl=63 time=0.403 ms

moon# ipsec statusall | grep 'AES_CTR_256/AES_XCBC_96' [YES]
000 "rw"[2]:   ESP proposal: AES_CTR_256/AES_XCBC_96/<Phase1>

carol# ipsec statusall | grep 'AES_CTR_256/AES_XCBC_96' [YES]
000 "home":   ESP proposal: AES_CTR_256/AES_XCBC_96/<Phase1>

moon# ip xfrm state | grep 'rfc3686(ctr(aes))' [YES]
	enc rfc3686(ctr(aes)) 0x83cfcdd43bb57c71d8c88aff61b40937c0cb473ab14a8cc6075d2700f78d23f9e748a0ab
	enc rfc3686(ctr(aes)) 0xc5a96ba4f3211b5efb91fb88019af81e29df2efc4a54eada95a6ce52f1bae04f40fda281

carol# ip xfrm state | grep 'rfc3686(ctr(aes))' [YES]
	enc rfc3686(ctr(aes)) 0xc5a96ba4f3211b5efb91fb88019af81e29df2efc4a54eada95a6ce52f1bae04f40fda281
	enc rfc3686(ctr(aes)) 0x83cfcdd43bb57c71d8c88aff61b40937c0cb473ab14a8cc6075d2700f78d23f9e748a0ab

moon# killall tcpdump

moon# cat /tmp/tcpdump.log | grep 'IP carol.strongswan.org > moon.strongswan.org: ESP.*length 180' [YES]
22:56:41.721031 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0x422098e9,seq=0x1), length 180

moon# cat /tmp/tcpdump.log | grep 'IP moon.strongswan.org > carol.strongswan.org: ESP.*length 180' [YES]
22:56:41.721263 IP moon.strongswan.org > carol.strongswan.org: ESP(spi=0xc608632c,seq=0x1), length 180


POST-TEST

moon# ipsec stop
Stopping strongSwan IPsec...

carol# ipsec stop
Stopping strongSwan IPsec...

moon# /etc/init.d/iptables stop 2> /dev/null
 * Stopping firewall ...                                                  [ ok ]

carol# /etc/init.d/iptables stop 2> /dev/null
 * Stopping firewall ...                                                  [ ok ]