[strongSwan] ERROR: netlink response for Add SA esp.383251e8 at 10.19.156.242 included errno 93: Protocol not supported

MingM Xia macguffin.xia at gmail.com
Mon Apr 12 11:38:49 CEST 2010


Hi,

I try to switch "Racoon" to "strongswan" on some Power PC machines, I met a
"esp.5dd3baaa at 10.19.156.194 included errno 93: Protocol not support" netlink
error in "tunnel mode" when strongwan try to build CHILD SA.     strongswan
IKEv2 charon also has a similar problem on my machines in "tunnel" mode:"add
sa", kernel return "protocol not support".

I use the latest version of strongswan 4.3.6.

ERROR: netlink response for Add SA esp.383251e8 at 10.19.156.242 included errno
93: Protocol not supported

....
Apr 12 02:23:23 localhost pluto[25980]: | install_inbound_ipsec_sa()
checking if we can route
Apr 12 02:23:23 localhost pluto[25980]: | route owner of "host-host"
unrouted: NULL; eroute owner: NULL
Apr 12 02:23:23 localhost pluto[25980]: | kernel_alg_esp_info():transid=12,
auth=2, ei=0x10086cc8, enckeylen=32, authkeylen=20, encryptalg=12, authalg=3
Apr 12 02:23:23 localhost pluto[25980]: | configured authentication
algorithm DES_MAC with key size 160
Apr 12 02:23:23 localhost pluto[25980]: | configured esp encryption
algorithm AES_CBC with key size 128
Apr 12 02:23:23 localhost pluto[25980]: | req.p.mode = 1;
req.p.family = 2;         req.p.flags = 32;             req.p.id.spi =
942821864;             req.p.id.proto = 50;         req.p.sel.family =
0;         req.p.sel.proto = 0
Apr 12 02:23:23 localhost pluto[25980]: "host-host" #2: ERROR: netlink
response for Add SA esp.383251e8 at 10.19.156.242 included errno 93: Protocol
not supported
Apr 12 02:23:23 localhost pluto[25980]: | state transition function for
STATE_QUICK_R0 had internal error
Apr 12 02:23:23 localhost pluto[25980]: | next event EVENT_SO_DISCARD in 0
seconds for #2
Apr 12 02:23:23 localhost pluto[25980]: |
Apr 12 02:23:23 localhost pluto[25980]: | *time to handle event
Apr 12 02:23:23 localhost pluto[25980]: | event after this is
EVENT_REINIT_SECRET in 3476 seconds
Apr 12 02:23:23 localhost pluto[25980]: | ICOOKIE:  63 de a2 6a  57 3b ff bb
Apr 12 02:23:23 localhost pluto[25980]: | RCOOKIE:  2d cb 1f a4  81 d6 ec 1e
Apr 12 02:23:23 localhost pluto[25980]: | peer:  0a 13 9c c2
Apr 12 02:23:23 localhost pluto[25980]: | state hash entry 8
Apr 12 02:23:23 localhost pluto[25980]: | next event EVENT_REINIT_SECRET in
3476 seconds
Apr 12 02:23:33 localhost pluto[25980]: |
...

"Apr 12 02:23:23 localhost pluto[25980]: | req.p.mode = 1;
req.p.family = 2;         req.p.flags = 32;             req.p.id.spi =
942821864;             req.p.id.proto = 50;         req.p.sel.family =
0;         req.p.sel.proto = 0" is something I print out before
netlink_add_sa() try to  send_netlink_msg "add SA" to Kernel, the prarameter
looks fine.

I have no idea whether there are some different kernel modules requirement
between "Racoon" and "strongswan", but I'm sure "Racoon" works well with
"tunnel mode" on those machines.
Kernel configuration(network related):
CONFIG_PACKET    y
CONFIG_PACKET_MMAP    y
CONFIG_UNIX    y
CONFIG_XFRM    y
CONFIG_XFRM_USER    y
CONFIG_XFRM_SUB_POLICY    not set
CONFIG_XFRM_MIGRATE    y
CONFIG_XFRM_STATISTICS    not set
CONFIG_XFRM_IPCOMP    y
CONFIG_NET_KEY    y
CONFIG_NET_KEY_MIGRATE    not set
CONFIG_INTERPEAK    not set
CONFIG_INET    y
CONFIG_IP_MULTICAST    not set
CONFIG_IP_ADVANCED_ROUTER    not set
CONFIG_IP_FIB_HASH    y
CONFIG_IP_PNP    y
CONFIG_IP_PNP_DHCP    not set
CONFIG_IP_PNP_BOOTP    not set
CONFIG_IP_PNP_RARP    not set
CONFIG_NET_IPIP    not set
CONFIG_NET_IPGRE    y
CONFIG_ARPD    not set
CONFIG_SYN_COOKIES    y
CONFIG_INET_AH    y
CONFIG_INET_ESP    y
CONFIG_INET_IPCOMP    y
CONFIG_INET_XFRM_TUNNEL    y
CONFIG_INET_TUNNEL    y
CONFIG_IPSEC_NAT_TRAVERSAL    not set
CONFIG_INET_XFRM_MODE_TRANSPORT    y
CONFIG_INET_XFRM_MODE_TUNNEL    y
CONFIG_INET_XFRM_MODE_BEET    y
CONFIG_INET_LRO    not set
CONFIG_INET_DIAG    not set
CONFIG_TCP_CONG_ADVANCED    not set
CONFIG_TCP_CONG_CUBIC    y
CONFIG_DEFAULT_TCP_CONG    cubic
CONFIG_TCP_MD5SIG    not set
CONFIG_IP_VS    not set
CONFIG_IPV6    not set
CONFIG_NETLABEL    not set
CONFIG_NETWORK_SECMARK    y
CONFIG_NETFILTER    y
CONFIG_NETFILTER_DEBUG    not set
CONFIG_NETFILTER_ADVANCED    y


"Racoon" works well with "tunnel mode" on those machines.

root at hapWibbSc2:/etc# racoon -f racoon.conf.eric
root at hapWibbSc2:/etc# setkey -f setkey.conf.eric
root at hapWibbSc2:/etc# ping 10.19.156.194
PING 10.19.156.194 (10.19.156.194) 56(84) bytes of data.
64 bytes from 10.19.156.194: icmp_seq=2 ttl=64 time=0.615 ms
64 bytes from 10.19.156.194: icmp_seq=3 ttl=64 time=0.457 ms

--- 10.19.156.194 ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2956ms
rtt min/avg/max/mdev = 0.457/0.536/0.615/0.079 ms
root at hapWibbSc2:/etc#
root at hapWibbSc2:/etc# setkey -D
10.19.156.194 10.19.156.242
        esp mode=tunnel spi=136801471(0x08276cbf) reqid=0(0x00000000)
        E: aes-cbc  c5e0faea b1073d16 d6d12bdb 193e7cd2
        A: hmac-sha1  d3025a94 b3e1dee2 9b6db08d d6136242 4f4cbf77
        seq=0x00000000 replay=4 flags=0x00000000 state=mature
        created: Mar  1 18:50:20 2000   current: Mar  1 18:50:30 2000
        diff: 10(s)     hard: 28800(s)  soft: 23040(s)
        last: Mar  1 18:50:21 2000      hard: 0(s)      soft: 0(s)
        current: 168(bytes)     hard: 0(bytes)  soft: 0(bytes)
        allocated: 2    hard: 0 soft: 0
        sadb_seq=1 pid=25939 refcnt=0
10.19.156.242 10.19.156.194
        esp mode=tunnel spi=240066640(0x0e4f2050) reqid=0(0x00000000)
        E: aes-cbc  7336dbd0 ff041a4d c339915f 27f29a75
        A: hmac-sha1  d24d61d1 3ae183a4 01bfc0c4 4310534f 93bbb833
        seq=0x00000000 replay=4 flags=0x00000000 state=mature
        created: Mar  1 18:50:20 2000   current: Mar  1 18:50:30 2000
        diff: 10(s)     hard: 28800(s)  soft: 23040(s)
        last: Mar  1 18:50:20 2000      hard: 0(s)      soft: 0(s)
        current: 252(bytes)     hard: 0(bytes)  soft: 0(bytes)
        allocated: 3    hard: 0 soft: 0
        sadb_seq=0 pid=25939 refcnt=0
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