[Swan] Libreswan to Cisco2921, sha2_256 (ikev1&ikev2), tunnel is up but cannot ping (with and without source ip)
Paul Wouters
paul at nohats.ca
Thu Aug 4 12:03:48 UTC 2016
Avoid sha2_256 for esp/phase2alg because there are many broken Linux implementations.
Use sha2_512 instead
Sent from my iPhone
> On Aug 4, 2016, at 7:54 AM, Satavee Junwana <satavee at gmail.com> wrote:
>
> another thing, it is working file for sha1.
>
> Best Regards,
> Satavee
>
>> On Thu, Aug 4, 2016 at 2:51 PM, Satavee Junwana <satavee at gmail.com> wrote:
>> I've tested on libreswan 3.3,3.7 (centos5) and 3.15 (centos 6) but no luck.
>>
>> Here is config, ipsec status and log during negotiation-
>>
>> Config-
>>
>> version 2.0
>> config setup
>> # plutodebug / klipsdebug = "all", "none" or a combation from below:
>> # "raw crypt parsing emitting control klips pfkey natt x509 private"
>> # eg: plutodebug="control parsing"
>> #
>> # ONLY enable plutodebug=all or klipsdebug=all if you are a developer !!
>> nat_traversal=yes
>> nhelpers=1
>> oe=off
>> protostack=klips
>> plutorestartoncrash=no
>> plutostderrlog=/tmp/pluto.log
>> #Default-Connection:
>> conn %default
>> keyingtries=3
>> ikev2=yes
>> conn ppp1_DC
>> type=tunnel
>> rightid=107.25.23.119
>> right=107.25.23.119
>> rekey=yes
>> phase2alg=aes128-sha2_256
>> phase2=esp
>> pfs=no
>> #overridemtu=1410
>> leftsubnet="192.168.19.0/24"
>> leftsourceip=192.168.19.1
>> left=%ppp1
>> keylife=8h
>> initial_contact=yes
>> ikelifetime=24h
>> ike=aes128-sha2_256-modp1536
>> compress=no
>> authby=secret
>> aggrmode=no
>>
>> Ipsec status -
>>
>> 000 using kernel interface: klips
>> 000 interface ipsec0/ppp1 101.15.115.253
>> 000 interface ipsec0/ppp1 101.15.115.253
>> 000
>> 000 fips mode=disabled;
>> 000 SElinux=disabled
>> 000
>> 000 config setup options:
>> 000
>> 000 configdir=/etc, configfile=/etc/ipsec.conf, secrets=/etc/ipsec.secrets, ipsecdir=/etc/ipsec.d, dumpdir=/var/run/pluto, statsbin=unset
>> 000 sbindir=/usr/sbin, libdir=/usr/libexec/ipsec, libexecdir=/usr/libexec/ipsec
>> 000 pluto_version=3.7, pluto_vendorid=OE-Libreswan-3.7
>> 000 nhelpers=1, uniqueids=yes, retransmits=yes, force_busy=no
>> 000 ikeport=500, strictcrlpolicy=no, crlcheckinterval=0, listen=<any>
>> 000 secctx_attr_value=32001
>> 000 myid = (none)
>> 000 debug none
>> 000
>> 000 nat_traversal=yes, keep_alive=20, nat_ikeport=4500, disable_port_floating=no
>> 000 virtual_private (%priv):
>> 000 - allowed 0 subnets:
>> 000 - disallowed 0 subnets:
>> 000 WARNING: Either virtual_private= is not specified, or there is a syntax
>> 000 error in that line. 'left/rightsubnet=vhost:%priv' will not work!
>> 000 WARNING: Disallowed subnets in virtual_private= is empty. If you have
>> 000 private address space in internal use, it should be excluded!
>> 000
>> 000 ESP algorithms supported:
>> 000
>> 000 algorithm ESP encrypt: id=2, name=ESP_DES, ivlen=8, keysizemin=64, keysizemax=64
>> 000 algorithm ESP encrypt: id=3, name=ESP_3DES, ivlen=8, keysizemin=192, keysizemax=192
>> 000 algorithm ESP encrypt: id=6, name=ESP_CAST, ivlen=64, keysizemin=128, keysizemax=128
>> 000 algorithm ESP encrypt: id=7, name=ESP_BLOWFISH, ivlen=64, keysizemin=96, keysizemax=448
>> 000 algorithm ESP encrypt: id=12, name=ESP_AES, ivlen=16, keysizemin=128, keysizemax=256
>> 000 algorithm ESP encrypt: id=252, name=ESP_SERPENT, ivlen=128, keysizemin=128, keysizemax=256
>> 000 algorithm ESP encrypt: id=253, name=ESP_TWOFISH, ivlen=128, keysizemin=128, keysizemax=256
>> 000 algorithm ESP auth attr: id=1, name=AUTH_ALGORITHM_HMAC_MD5, keysizemin=128, keysizemax=128
>> 000 algorithm ESP auth attr: id=2, name=AUTH_ALGORITHM_HMAC_SHA1, keysizemin=160, keysizemax=160
>> 000 algorithm ESP auth attr: id=5, name=AUTH_ALGORITHM_HMAC_SHA2_256, keysizemin=256, keysizemax=256
>> 000 algorithm ESP auth attr: id=7, name=AUTH_ALGORITHM_HMAC_SHA2_512, keysizemin=512, keysizemax=512
>> 000
>> 000 IKE algorithms supported:
>> 000
>> 000 algorithm IKE encrypt: v1id=5, v1name=OAKLEY_3DES_CBC, v2id=3, v2name=3DES, blocksize=8, keydeflen=192
>> 000 algorithm IKE encrypt: v1id=7, v1name=OAKLEY_AES_CBC, v2id=12, v2name=AES_CBC, blocksize=16, keydeflen=128
>> 000 algorithm IKE encrypt: v1id=65004, v1name=OAKLEY_SERPENT_CBC, v2id=65004, v2name=SERPENT_CBC, blocksize=16, keydeflen=128
>> 000 algorithm IKE encrypt: v1id=65005, v1name=OAKLEY_TWOFISH_CBC, v2id=65005, v2name=TWOFISH_CBC, blocksize=16, keydeflen=128
>> 000 algorithm IKE encrypt: v1id=65289, v1name=OAKLEY_TWOFISH_CBC_SSH, v2id=65289, v2name=TWOFISH_CBC_SSH, blocksize=16, keydeflen=128
>> 000 algorithm IKE hash: id=1, name=OAKLEY_MD5, hashsize=16
>> 000 algorithm IKE hash: id=2, name=OAKLEY_SHA1, hashsize=20
>> 000 algorithm IKE hash: id=4, name=OAKLEY_SHA2_256, hashsize=32
>> 000 algorithm IKE hash: id=5, name=OAKLEY_SHA2_384, hashsize=48
>> 000 algorithm IKE hash: id=6, name=OAKLEY_SHA2_512, hashsize=64
>> 000 algorithm IKE dh group: id=2, name=OAKLEY_GROUP_MODP1024, bits=1024
>> 000 algorithm IKE dh group: id=5, name=OAKLEY_GROUP_MODP1536, bits=1536
>> 000 algorithm IKE dh group: id=14, name=OAKLEY_GROUP_MODP2048, bits=2048
>> 000 algorithm IKE dh group: id=15, name=OAKLEY_GROUP_MODP3072, bits=3072
>> 000 algorithm IKE dh group: id=16, name=OAKLEY_GROUP_MODP4096, bits=4096
>> 000 algorithm IKE dh group: id=17, name=OAKLEY_GROUP_MODP6144, bits=6144
>> 000 algorithm IKE dh group: id=18, name=OAKLEY_GROUP_MODP8192, bits=8192
>> 000 algorithm IKE dh group: id=22, name=OAKLEY_GROUP_DH22, bits=1024
>> 000 algorithm IKE dh group: id=23, name=OAKLEY_GROUP_DH23, bits=2048
>> 000 algorithm IKE dh group: id=24, name=OAKLEY_GROUP_DH24, bits=2048
>> 000
>> 000 stats db_ops: {curr_cnt, total_cnt, maxsz} :context={0,3,36} trans={0,3,864} attrs={0,3,1152}
>> 000
>> 000 Connection list:
>> 000
>> 000 "ppp1_DC192": 192.168.19.0/24===101.15.115.253<%ppp1>...107.25.23.119<107.25.23.119>===10.0.0.0/8; erouted; eroute owner: #2
>> 000 "ppp1_DC192": oriented; my_ip=192.168.19.1; their_ip=unset;
>> 000 "ppp1_DC192": xauth info: us:none, them:none, my_xauthuser=[any]; their_xauthuser=[any]; ;
>> 000 "ppp1_DC192": modecfg info: us:none, them:none, modecfg policy:push, dns1:unset, dns2:unset, domain:unset, banner:unset;
>> 000 "ppp1_DC192": labeled_ipsec:no, loopback:no;
>> 000 "ppp1_DC192": policy_label:unset;
>> 000 "ppp1_DC192": ike_life: 86400s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 3;
>> 000 "ppp1_DC192": sha2_truncbug:no; initial_contact:yes; cisco_unity:no; send_vendorid:no;
>> 000 "ppp1_DC192": policy: PSK+ENCRYPT+TUNNEL+UP+IKEv2ALLOW+IKEv2Init+SAREFTRACK+IKE_FRAG;
>> 000 "ppp1_DC192": conn_prio: 24,8; interface: ppp1; metric: 0; mtu: unset; sa_prio:auto;
>> 000 "ppp1_DC192": newest ISAKMP SA: #1; newest IPsec SA: #2;
>> 000 "ppp1_DC192": IKE algorithms wanted: AES_CBC(7)_128-SHA2_256(4)_000-MODP1536(5)
>> 000 "ppp1_DC192": IKE algorithms found: AES_CBC(7)_128-SHA2_256(4)_256-MODP1536(5)
>> 000 "ppp1_DC192": IKEv2 algorithm newest: AES_CBC_128-AUTH_HMAC_SHA2_256_128-PRF_HMAC_SHA2-256-MODP1536
>> 000 "ppp1_DC192": ESP algorithms wanted: AES(12)_128-SHA2_256(5)_000
>> 000 "ppp1_DC192": ESP algorithms loaded: AES(12)_128-SHA2_256(5)_256
>> 000 "ppp1_DC192": ESP algorithm newest: AES_128-HMAC_SHA2_256; pfsgroup=<N/A>
>> 000
>> 000 Total IPsec connections: loaded 1, active 1
>> 000
>> 000 State list:
>> 000
>> 000 #2: "ppp1_DC192":500 STATE_PARENT_I3 (PARENT SA established); EVENT_SA_REPLACE in 27777s; newest IPSEC; eroute owner; idle; import:admin initiate
>> 000 #1: "ppp1_DC192":500 STATE_PARENT_I3 (PARENT SA established); EVENT_SA_REPLACE in 86369s; newest ISAKMP; idle; import:admin initiate
>> 000
>> 000 Shunt list:
>> 000
>>
>> Log-
>> 2016-08-04T11:52:07.185568+07:00 pluto[15179]: listening for IKE messages
>> 2016-08-04T11:52:07.185568+07:00 pluto[15179]: adding interface ipsec0/ppp1 101.15.115.253:500
>> 2016-08-04T11:52:07.185568+07:00 pluto[15179]: adding interface ipsec0/ppp1 101.15.115.253:4500
>> 2016-08-04T11:52:07.185568+07:00 pluto[15179]: forgetting secrets
>> 2016-08-04T11:52:07.185568+07:00 pluto[15179]: loading secrets from "/etc/ipsec.secrets"
>> 2016-08-04T11:52:07.605113+07:00 pluto[15179]: added connection description "ppp1_DC192"
>> 2016-08-04T11:52:07.721381+07:00 pluto[15179]: "ppp1_DC192" #1: initiating v2 parent SA
>> 2016-08-04T11:52:07.761597+07:00 pluto[15179]: "ppp1_DC192" #1: transition from state STATE_IKEv2_START to state STATE_PARENT_I1
>> 2016-08-04T11:52:07.761597+07:00 pluto[15179]: "ppp1_DC192" #1: STATE_PARENT_I1: sent v2I1, expected v2R1
>> 2016-08-04T11:52:07.928538+07:00 pluto[15179]: "ppp1_DC192" #2: transition from state STATE_PARENT_I1 to state STATE_PARENT_I2
>> 2016-08-04T11:52:07.929458+07:00 pluto[15179]: "ppp1_DC192" #2: STATE_PARENT_I2: sent v2I2, expected v2R2 {auth=IKEv2 cipher=aes_128 integ=sha256_128 prf=OAKLEY_SHA2_256 group=modp1536}
>> 2016-08-04T11:52:07.995450+07:00 pluto[15179]: packet from 107.25.23.119:500: IKEv2 mode peer ID is ID_IPV4_ADDR: '107.25.23.119'
>> 2016-08-04T11:52:07.998515+07:00 pluto[15179]: | printing contents struct traffic_selector
>> 2016-08-04T11:52:07.999124+07:00 pluto[15179]: | ts_type: IKEv2_TS_IPV4_ADDR_RANGE
>> 2016-08-04T11:52:07.999660+07:00 pluto[15179]: | ipprotoid: 0
>> 2016-08-04T11:52:08.000163+07:00 pluto[15179]: | startport: 0
>> 2016-08-04T11:52:08.000660+07:00 pluto[15179]: | endport: 65535
>> 2016-08-04T11:52:08.001178+07:00 pluto[15179]: | ip low: 192.168.19.0
>> 2016-08-04T11:52:08.001517+07:00 pluto[15179]: | ip high: 192.168.19.255
>> 2016-08-04T11:52:08.002388+07:00 pluto[15179]: | printing contents struct traffic_selector
>> 2016-08-04T11:52:08.002937+07:00 pluto[15179]: | ts_type: IKEv2_TS_IPV4_ADDR_RANGE
>> 2016-08-04T11:52:08.003475+07:00 pluto[15179]: | ipprotoid: 0
>> 2016-08-04T11:52:08.003976+07:00 pluto[15179]: | startport: 0
>> 2016-08-04T11:52:08.004473+07:00 pluto[15179]: | endport: 65535
>> 2016-08-04T11:52:08.004932+07:00 pluto[15179]: | ip low: 10.0.0.0
>> 2016-08-04T11:52:08.005373+07:00 pluto[15179]: | ip high: 10.255.255.255
>> 2016-08-04T11:52:08.177293+07:00 pluto[15179]: packet from 107.25.23.119:500: up-client output: /usr/libexec/ipsec/_updown.klips: changesource "ip route change 10.0.0.0/8 dev ipsec0 src 192.168.19.1" failed (RTNETLINK answers: No such file or directory)
>> 2016-08-04T11:52:08.436034+07:00 pluto[15179]: "ppp1_DC192" #2: transition from state STATE_PARENT_I2 to state STATE_PARENT_I3
>> 2016-08-04T11:52:08.436034+07:00 pluto[15179]: "ppp1_DC192" #2: negotiated tunnel [192.168.19.0,192.168.19.255:0-65535 0] -> [10.0.0.0,10.255.255.255:0-65535 0]
>> 2016-08-04T11:52:08.436034+07:00 pluto[15179]: "ppp1_DC192" #2: STATE_PARENT_I3: PARENT SA established tunnel mode {ESP=>0x2d26ed88 <0xf43c29bd xfrm=AES_128-HMAC_SHA2_256 NATOA=none NATD=none DPD=none}
>> 2016-08-04T11:52:08.436034+07:00 pluto[15179]: | releasing whack for #2 (sock=18)
>> 2016-08-04T11:52:08.436034+07:00 pluto[15179]: | releasing whack and unpending for #1 (sock=17)
>> 2016-08-04T11:52:09.120814+07:00 logger: ntp[0000]: no server suitable for synchronization found
>> 2016-08-04T11:52:12.672228+07:00 logger: pppd[0000]: ppp1 ipsec conn:ppp1_DC192 Up
>> 2016-08-04T11:52:14.653590+07:00 logger: ntp[0000]: no server suitable for synchronization found
>> 2016-08-04T11:53:13.457204+07:00 pluto[15179]: listening for IKE messages
>> 2016-08-04T11:53:13.457204+07:00 pluto[15179]: forgetting secrets
>> 2016-08-04T11:53:13.457204+07:00 pluto[15179]: loading secrets from "/etc/ipsec.secrets"
>> 2016-08-04T11:53:13.580613+07:00 pluto[15179]: "ppp1_DC192": deleting connection
>> 2016-08-04T11:53:13.580717+07:00 pluto[15179]: "ppp1_DC192" #2: deleting state (STATE_PARENT_I3)
>> 2016-08-04T11:53:13.699047+07:00 pluto[15179]: "ppp1_DC192" #2: down-client output: /usr/libexec/ipsec/_updown.klips: dorule "ip rule delete from 192.168.19.0/24 to 10.0.0.0/8 " failed (RTNETLINK answers: No such file or directory)
>> 2016-08-04T11:53:13.708746+07:00 pluto[15179]: "ppp1_DC192" #1: deleting state (STATE_PARENT_I3)
>> 2016-08-04T11:53:14.250259+07:00 pluto[15179]: added connection description "ppp1_DC192"
>> 2016-08-04T11:53:14.364389+07:00 pluto[15179]: "ppp1_DC192" #3: initiating v2 parent SA
>> 2016-08-04T11:53:14.406023+07:00 pluto[15179]: "ppp1_DC192" #3: transition from state STATE_IKEv2_START to state STATE_PARENT_I1
>> 2016-08-04T11:53:14.406125+07:00 pluto[15179]: "ppp1_DC192" #3: STATE_PARENT_I1: sent v2I1, expected v2R1
>> 2016-08-04T11:53:15.109380+07:00 pluto[15179]: "ppp1_DC192" #4: transition from state STATE_PARENT_I1 to state STATE_PARENT_I2
>> 2016-08-04T11:53:15.113292+07:00 pluto[15179]: "ppp1_DC192" #4: STATE_PARENT_I2: sent v2I2, expected v2R2 {auth=IKEv2 cipher=aes_128 integ=sha256_128 prf=OAKLEY_SHA2_256 group=modp1536}
>> 2016-08-04T11:53:15.169082+07:00 pluto[15179]: packet from 107.25.23.119:500: IKEv2 mode peer ID is ID_IPV4_ADDR: '107.25.23.119'
>> 2016-08-04T11:53:15.173375+07:00 pluto[15179]: | printing contents struct traffic_selector
>> 2016-08-04T11:53:15.173375+07:00 pluto[15179]: | ts_type: IKEv2_TS_IPV4_ADDR_RANGE
>> 2016-08-04T11:53:15.173375+07:00 pluto[15179]: | ipprotoid: 0
>> 2016-08-04T11:53:15.173375+07:00 pluto[15179]: | startport: 0
>> 2016-08-04T11:53:15.173375+07:00 pluto[15179]: | endport: 65535
>> 2016-08-04T11:53:15.176186+07:00 pluto[15179]: | ip low: 192.168.19.0
>> 2016-08-04T11:53:15.176713+07:00 pluto[15179]: | ip high: 192.168.19.255
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | printing contents struct traffic_selector
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | ts_type: IKEv2_TS_IPV4_ADDR_RANGE
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | ipprotoid: 0
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | startport: 0
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | endport: 65535
>> 2016-08-04T11:53:15.177243+07:00 pluto[15179]: | ip low: 10.0.0.0
>> 2016-08-04T11:53:15.179999+07:00 pluto[15179]: | ip high: 10.255.255.255
>> 2016-08-04T11:53:15.320392+07:00 pluto[15179]: packet from 107.25.23.119:500: up-client output: /usr/libexec/ipsec/_updown.klips: changesource "ip route change 10.0.0.0/8 dev ipsec0 src 192.168.19.1" failed (RTNETLINK answers: No such file or directory)
>> 2016-08-04T11:53:15.576394+07:00 pluto[15179]: "ppp1_DC192" #4: transition from state STATE_PARENT_I2 to state STATE_PARENT_I3
>> 2016-08-04T11:53:15.576501+07:00 pluto[15179]: "ppp1_DC192" #4: negotiated tunnel [192.168.19.0,192.168.19.255:0-65535 0] -> [10.0.0.0,10.255.255.255:0-65535 0]
>> 2016-08-04T11:53:15.576579+07:00 pluto[15179]: "ppp1_DC192" #4: STATE_PARENT_I3: PARENT SA established tunnel mode {ESP=>0x9794fb91 <0xf43c29be xfrm=AES_128-HMAC_SHA2_256 NATOA=none NATD=none DPD=none}
>> 2016-08-04T11:53:15.576646+07:00 pluto[15179]: | releasing whack for #4 (sock=18)
>> 2016-08-04T11:53:15.576774+07:00 pluto[15179]: | releasing whack and unpending for #3 (sock=17)
>>
>>
>> Best Regards,
>> Satavee
>> Sent via Iphone
>
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