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start

ipsec setup --start

ipsec_setup: Starting Openswan IPsec U2.6.38/K3.19.0-25-generic...

stop

ipsec setup --stop

ipsec_setup: Stopping Openswan IPsec...

restart

ipsec setup --restart

ipsec_setup: Stopping Openswan IPsec...
ipsec_setup: stop ordered, but IPsec appears to be already stopped!
ipsec_setup: doing cleanup anyway...
ipsec_setup: Starting Openswan IPsec U2.6.38/K3.19.0-25-generic...

status

ipsec setup --status

IPsec running  - pluto pid: 9515
pluto pid 9515
No tunnels up

Anzeige der verfügbaren Verbindungen

grep conn /etc/ipsec.conf

conn toc-ras

conn add

ipsec auto --add toc-ras

conn up

ipsec auto --up toc-ras

104 "toc-ras" #5: STATE_MAIN_I1: initiate
003 "toc-ras" #5: received Vendor ID payload [Openswan (this version) 2.6.38 ]
003 "toc-ras" #5: received Vendor ID payload [Dead Peer Detection]
106 "toc-ras" #5: STATE_MAIN_I2: sent MI2, expecting MR2
108 "toc-ras" #5: STATE_MAIN_I3: sent MI3, expecting MR3
003 "toc-ras" #5: received Vendor ID payload [CAN-IKEv2]
004 "toc-ras" #5: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=aes_256 prf=oakley_md5 group=modp1536}
117 "toc-ras" #6: STATE_QUICK_I1: initiate
004 "toc-ras" #6: STATE_QUICK_I2: sent QI2, IPsec SA established tunnel mode {ESP=>0x5b54fafa <0xd99615e0 xfrm=AES_256-HMAC_MD5 NATOA=none NATD=none DPD=none}

conn delete

ipsec auto --delete toc-ras

conn down

ipsec auto --down toc-ras

reread secrets

ipsec auto --rereadsecrets

status of all connections

ipsec auto --status

status of one connection

ipsec auto --status | grep toc-ras

000 "toc-ras": 192.168.122.0/24===192.168.252.5<192.168.252.5>...192.168.241.13<192.168.241.13>===192.168.56.0/24; erouted; eroute owner: #16
000 "toc-ras":     myip=unset; hisip=unset;
000 "toc-ras":   ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0 
000 "toc-ras":   policy: PSK+ENCRYPT+TUNNEL+PFS+IKEv2ALLOW+SAREFTRACK+lKOD+rKOD; prio: 24,24; interface: eth0; 
000 "toc-ras":   newest ISAKMP SA: #15; newest IPsec SA: #16; 
000 "toc-ras":   IKE algorithms wanted: AES_CBC(7)_256-MD5(1)_000-MODP1536(5); flags=-strict
000 "toc-ras":   IKE algorithms found:  AES_CBC(7)_256-MD5(1)_128-MODP1536(5)
000 "toc-ras":   IKE algorithm newest: AES_CBC_256-MD5-MODP1536
000 "toc-ras":   ESP algorithms wanted: AES(12)_256-MD5(1)_000; pfsgroup=MODP1536(5); flags=-strict
000 "toc-ras":   ESP algorithms loaded: AES(12)_256-MD5(1)_128
000 "toc-ras":   ESP algorithm newest: AES_256-HMAC_MD5; pfsgroup=MODP1536
000 #16: "toc-ras":500 STATE_QUICK_R2 (IPsec SA established); EVENT_SA_REPLACE in 28404s; newest IPSEC; eroute owner; isakmp#15; idle; import:not set
000 #16: "toc-ras" esp.26aaf00e@192.168.241.13 esp.71b98466@192.168.252.5 tun.0@192.168.241.13 tun.0@192.168.252.5 ref=0 refhim=4294901761
000 #15: "toc-ras":500 STATE_MAIN_R3 (sent MR3, ISAKMP SA established); EVENT_SA_REPLACE in 3204s; newest ISAKMP; lastdpd=-1s(seq in:0 out:0); idle; import:not set

have a look to the established connections

ipsec look

toc Thu Feb 11 14:40:39 CET 2016
XFRM state:
src 192.168.241.13 dst 192.168.252.5
	proto esp spi 0x71b98466 reqid 16401 mode tunnel
	replay-window 32 flag af-unspec
	auth-trunc hmac(md5) 0x9def4a65b3bee66c4de357f5cca24cb0 96
	enc cbc(aes) 0xd819c9243025df09b41333a01f7341e906615f638673af60851f3a2f297f9ba7
src 192.168.252.5 dst 192.168.241.13
	proto esp spi 0x26aaf00e reqid 16401 mode tunnel
	replay-window 32 flag af-unspec
	auth-trunc hmac(md5) 0x6f013010f2b134369a09a783ca6e37b7 96
	enc cbc(aes) 0x58e68b8534684d83b905603ce174bfb4c387023b6f6e46e319eb8465729ab7f8
XFRM policy:
src 192.168.122.0/24 dst 192.168.56.0/24 
	dir out priority 2344 
	tmpl src 192.168.252.5 dst 192.168.241.13
		proto esp reqid 16401 mode tunnel
src 192.168.56.0/24 dst 192.168.122.0/24 
	dir fwd priority 2344 
	tmpl src 192.168.241.13 dst 192.168.252.5
		proto esp reqid 16401 mode tunnel
src 192.168.56.0/24 dst 192.168.122.0/24 
	dir in priority 2344 
	tmpl src 192.168.241.13 dst 192.168.252.5
		proto esp reqid 16401 mode tunnel
src ::/0 dst ::/0 
	socket out priority 0 
src ::/0 dst ::/0 
	socket in priority 0 
src ::/0 dst ::/0 
	socket out priority 0 
src ::/0 dst ::/0 
	socket in priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket out priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket in priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket out priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket in priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket out priority 0 
src 0.0.0.0/0 dst 0.0.0.0/0 
	socket in priority 0 
XFRM done
IPSEC mangle TABLES
iptables: No chain/target/match by that name.
ip6tables: No chain/target/match by that name.
NEW_IPSEC_CONN mangle TABLES
iptables: No chain/target/match by that name.
ip6tables: No chain/target/match by that name.
ROUTING TABLES
default via 192.168.252.1 dev eth0 
192.168.252.0/24 dev eth0  proto kernel  scope link  src 192.168.252.5 
2003:a:32a:1720::/64 dev eth0  proto kernel  metric 256  expires 86072sec mtu 1280
fe80::/64 dev eth0  proto kernel  metric 256  mtu 1280
default via fe80::20c:29ff:fe07:d4c5 dev eth0  proto ra  metric 1024  expires 1472sec hoplimit 64

showdefaults ip, nexthop, interface

ipsec showdefaults

routephys=eth0
routevirt=none
routeaddr=192.168.252.5
routenexthop=192.168.252.1

collect debugging infos

ipsec barf --short

Verifzierung

ipsec verify

Checking your system to see if IPsec got installed and started correctly:
Version check and ipsec on-path                             	[OK]
Linux Openswan U2.6.38/K3.19.0-25-generic (netkey)
Checking for IPsec support in kernel                        	[OK]
 SAref kernel support                                       	[N/A]
 NETKEY:  Testing XFRM related proc values                  	[FAILED]

  Please disable /proc/sys/net/ipv4/conf/*/send_redirects
  or NETKEY will cause the sending of bogus ICMP redirects!

	[FAILED]

  Please disable /proc/sys/net/ipv4/conf/*/accept_redirects
  or NETKEY will accept bogus ICMP redirects!

	[OK]
Checking that pluto is running                              	[OK]
 Pluto listening for IKE on udp 500                         	[OK]
 Pluto listening for NAT-T on udp 4500                      	[FAILED]
Two or more interfaces found, checking IP forwarding        	[FAILED]
Checking NAT and MASQUERADEing                              	[OK]
Checking for 'ip' command                                   	[OK]
Checking /bin/sh is not /bin/dash                           	[WARNING]
Checking for 'iptables' command                             	[OK]
Opportunistic Encryption Support                            	[DISABLED]

Nützlicher Logbefehl

tail -f /var/log/auth.log | grep toc-ras

Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #1: STATE_MAIN_I3: sent MI3, expecting MR3
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #1: received Vendor ID payload [CAN-IKEv2]
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #1: Main mode peer ID is ID_IPV4_ADDR: '192.168.241.13'
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #1: transition from state STATE_MAIN_I3 to state STATE_MAIN_I4
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=aes_256 prf=oakley_md5 group=modp1536}
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #2: initiating Quick Mode PSK+ENCRYPT+TUNNEL+PFS+UP+IKEv2ALLOW+SAREFTRACK {using isakmp#1 msgid:96ff6c59 proposal=AES(12)_256-MD5(1)_128 pfsgroup=OAKLEY_GROUP_MODP1536}
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #2: transition from state STATE_QUICK_I1 to state STATE_QUICK_I2
Feb 11 14:51:15 toc pluto[11337]: "toc-ras" #2: STATE_QUICK_I2: sent QI2, IPsec SA established tunnel mode {ESP=>0xde3cbbbf <0xd253bca2 xfrm=AES_256-HMAC_MD5 NATOA=none NATD=none DPD=none}
Feb 11 14:51:32 toc pluto[11337]: "toc-ras" #1: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x26aaf00e) not found (maybe expired)
Feb 11 14:51:32 toc pluto[11337]: "toc-ras" #1: received and ignored informational message

list ca certs

ipsec auto --listcacerts

list certs

ipsec auto --listcerts

Openswan ipsec tool

Inhaltsverzeichnis

start

stop

restart

status

Anzeige der verfügbaren Verbindungen

conn add

conn up

conn delete

conn down

reread secrets

status of all connections

status of one connection

have a look to the established connections

showdefaults ip, nexthop, interface

collect debugging infos

Verifzierung

Nützlicher Logbefehl

list ca certs

list certs

Navigationsmenü

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