PRE-TEST

moon# ipsec start
Starting strongSwan 4.2.17 IPsec [starter]...

carol# ipsec start
Starting strongSwan 4.2.17 IPsec [starter]...

carol# sleep 2 

carol# ipsec up home
initiating IKE_SA home[1] to 192.168.0.1
generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) ]
sending packet: from 192.168.0.100[500] to 192.168.0.1[500]
received packet: from 192.168.0.1[500] to 192.168.0.100[500]
parsed IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) CERTREQ ]
received cert request for "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"
sending cert request for "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"
authentication of 'carol@strongswan.org' (myself) with RSA signature successful
sending end entity cert "C=CH, O=Linux strongSwan, OU=Research, CN=carol@strongswan.org"
establishing CHILD_SA home
generating IKE_AUTH request 1 [ IDi CERT CERTREQ IDr AUTH SA TSi TSr N(MOBIKE_SUP) N(ADD_6_ADDR) ]
sending packet: from 192.168.0.100[4500] to 192.168.0.1[4500]
received packet: from 192.168.0.1[4500] to 192.168.0.100[4500]
parsed IKE_AUTH response 1 [ IDr CERT AUTH SA TSi TSr N(AUTH_LFT) N(MOBIKE_SUP) N(ADD_4_ADDR) N(ADD_6_ADDR) N(ADD_6_ADDR) ]
received end entity cert "C=CH, O=Linux strongSwan, CN=moon.strongswan.org"
  using certificate "C=CH, O=Linux strongSwan, CN=moon.strongswan.org"
  using trusted ca certificate "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"
checking certificate status of "C=CH, O=Linux strongSwan, CN=moon.strongswan.org"
  fetching crl from 'http://crl.strongswan.org/strongswan.crl' ...
  using trusted certificate "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"
  crl correctly signed by "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"
  crl is valid: until Aug 19 13:47:17 2009
certificate status is good
authentication of 'moon.strongswan.org' with RSA signature successful
scheduling reauthentication in 3277s
maximum IKE_SA lifetime 3457s
IKE_SA home[1] established between 192.168.0.100[carol@strongswan.org]...192.168.0.1[moon.strongswan.org]


TEST

carol# ipsec statusall | grep 'home.*INSTALLED' [YES]
        home{1}:  INSTALLED, TUNNEL, ESP SPIs: cb8b3dee_i cdd7f300_o

carol# iptables -A INPUT -i eth0 -s 192.168.0.1 -j DROP | grep 'no output expected' [NO]

moon# sleep 180 | grep 'no output expected' [NO]

moon# cat /var/log/daemon.log | grep 'sending DPD request' [YES]
Jul 20 15:47:02 moon charon: 12[IKE] sending DPD request 

moon# cat /var/log/daemon.log | grep 'retransmit.*of request' [YES]
Jul 20 15:47:06 moon charon: 13[IKE] retransmit 1 of request with message ID 0 
Jul 20 15:47:13 moon charon: 15[IKE] retransmit 2 of request with message ID 0 
Jul 20 15:47:26 moon charon: 09[IKE] retransmit 3 of request with message ID 0 
Jul 20 15:47:49 moon charon: 11[IKE] retransmit 4 of request with message ID 0 
Jul 20 15:48:31 moon charon: 16[IKE] retransmit 5 of request with message ID 0 

moon# cat /var/log/daemon.log | grep 'giving up after 5 retransmits' [YES]
Jul 20 15:49:47 moon charon: 15[IKE] giving up after 5 retransmits 


POST-TEST

carol# iptables -D INPUT -i eth0 -s 192.168.0.1 -j DROP

moon# ipsec stop
Stopping strongSwan IPsec...

carol# ipsec stop
Stopping strongSwan IPsec...