500, 4500 ) IPsec IKE

• Basic scan

ike-scan -M 10.10.10.116

• Aggressive scan

ike-scan -A -M 10.10.10.116 

• IPsec Tunneling/Transport

##-- Install StrongsWan
apt-get install strongswan

##-- Edit the /etc/ipsec.secrets (strongSwan IPsec secrets) file
<AttackersIP> %any : PSK "v+NkxY9LL..<ReplaceThiskey>"

##-- Edit the /etc/ipsec.conf file
conn ConfigNameHere
    type=transport
    keyexchange=<ReplaceIKEVersion>
    authby=psk
    right=<AttackerIP>
    rightprotoport=tcp # if you want tcp,if not remove this
    leftprotoport=tcp # if you want tcp,if not remove this
    esp=3des-sha1 # we can get this from ike-scan -M AttackerIP | grep 'SA' | awk -F= '{print $3}'   
    ike=3des-sha1-modp1024 #we can get this from ike-scan -M AttackerIP | grep 'SA' | awk -F= '{print $5}'
    auto=start

##-- Start service
ipsec start --nofork

• Troubleshooting IPsec VPNs