PRE-TEST moon# echo 1 > /proc/sys/net/ipv4/ip_forward carol# ipsec start Starting strongSwan IPsec 2.8.8 [starter]... moon# ipsec start Starting strongSwan IPsec 2.8.8 [starter]... carol# sleep 2 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 2.8.8] 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 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 RSASIG+ENCRYPT+TUNNEL+PFS+UP {using isakmp#1} 112 "home" #2: STATE_QUICK_I1: initiate 010 "home" #2: STATE_QUICK_I1: retransmission; will wait 20s for response 010 "home" #2: STATE_QUICK_I1: retransmission; will wait 40s for response 031 "home" #2: max number of retransmissions (2) reached STATE_QUICK_I1. No acceptable response to our first Quick Mode message: perhaps peer likes no proposal TEST carol# ipsec status | grep 'home.*STATE_QUICK_I2.*IPsec SA established' [NO] carol# cat /var/log/auth.log | grep 'NO_PROPOSAL_CHOSEN' [YES] Dec 6 12:07:32 carol pluto[16942]: "home" #1: ignoring informational payload, type NO_PROPOSAL_CHOSEN moon# ipsec status | grep 'rw.*STATE_QUICK_R2.*IPsec SA established' [NO] moon# cat /var/log/auth.log | grep 'IPSec Transform.*refused due to insecure key_len' [YES] Dec 6 12:07:32 moon pluto[21142]: "rw"[1] 192.168.0.100 #2: IPSec Transform [ESP_DES (64), AUTH_ALGORITHM_HMAC_MD5] refused due to insecure key_len and enc. alg. not listed in "esp" string moon# cat /var/log/auth.log | grep 'no acceptable Proposal in IPsec SA' [YES] Dec 6 12:07:32 moon pluto[21142]: "rw"[1] 192.168.0.100 #2: no acceptable Proposal in IPsec SA POST-TEST moon# ipsec stop Stopping strongSwan IPsec... carol# ipsec stop Stopping strongSwan IPsec...