[09:43] root enterprise[4]:~# /etc/init.d/ipsec stop
ipsec_setup: Stopping Openswan IPsec...
[  337.150271] IPSEC EVENT: KLIPS device ipsec0 shut down.
[  337.186210] IPSEC EVENT: KLIPS device ipsec1 shut down.


[09:43] root enterprise[5]:~# netstat -a -u -p -n | grep :500
udp        0      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -
udp     4216      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -


[09:44] root enterprise[6]:~# rmmod ipsec
[  375.848035]
[  375.851402] klips_info:pfkey_cleanup: shutting down PF_KEY domain sockets.
[  375.876019] NET: Unregistered protocol family 15

[09:44] root enterprise[7]:~# netstat -a -u -p -n | grep :500
udp        0      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -
udp     6112      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -


[09:47] root enterprise[22]:~# /etc/init.d/ipsec start

[09:48] root enterprise[22]:~# netstat -a -u -p -n | grep :500
udp        0      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           7356/pluto
udp        0      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           7356/pluto
udp        0      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -
udp    17488      0 xxx.xxx.xxx.xxx:500     0.0.0.0:*                           -