[Openswan Users] Error: "initial Main Mode message received on 192.168.23.23:500 but no connection has been authorized"

BUI18 lbui18 at yahoo.com
Mon Apr 7 13:49:06 EDT 2008


Hi - I made the suggested change....

1)  Still received "initial Main Mode message received on 192.168.23.23:500 but no connection has been authorized" in auth.log

2)  Now my "ipsec auto --status" does not show the connection at all:

000 debug raw+crypt+parsing+emitting+control+lifecycle+klips+dns+oppo+controlmore+pfkey+nattraversal+x509
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=7, name=ESP_BLOWFISH, ivlen=8, keysizemin=40, keysizemax=448
000 algorithm ESP encrypt: id=11, name=ESP_NULL, ivlen=0, keysizemin=0, keysizemax=0
000 algorithm ESP encrypt: id=12, name=ESP_AES, ivlen=8, keysizemin=128, keysizemax=256
000 algorithm ESP encrypt: id=252, name=ESP_SERPENT, ivlen=8, keysizemin=128, keysizemax=256
000 algorithm ESP encrypt: id=253, name=ESP_TWOFISH, ivlen=8, 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=251, name=(null), keysizemin=0, keysizemax=0
000  
000 algorithm IKE encrypt: id=5, name=OAKLEY_3DES_CBC, blocksize=8, keydeflen=192
000 algorithm IKE encrypt: id=7, name=OAKLEY_AES_CBC, 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 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  
000 stats db_ops.c: {curr_cnt, total_cnt, maxsz} :context={0,0,0} trans={0,0,0} attrs={0,0,0} 
000  
000  
000

Previously I got this after the stats db_ops.c line:

000 stats db_ops.c: {curr_cnt, total_cnt, maxsz} :context={0,0,0} trans={0,0,0} attrs={0,0,0} 
000  
000 "DIR130-JON": 192.168.23.0/24===66.27.a.b---24.25.c.d...66.27.e.1---66.27.f.g===192.168.99.0/24; unrouted; eroute owner: #0
000 "DIR130-JON":     srcip=unset; dstip=unset; srcup=ipsec _updown; dstup=ipsec _updown;
000 "DIR130-JON":   ike_life: 28800s; ipsec_life: 3600s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0
000 "DIR130-JON":   policy: PSK+ENCRYPT+TUNNEL+PFS; prio: 24,24; interface: ; 
000 "DIR130-JON":   newest ISAKMP SA: #0; newest IPsec SA: #0; 
000  
000

Any other suggestions?

thx
----- Original Message ----
From: Jacco de Leeuw <jacco2 at dds.nl>
To: users at openswan.org
Sent: Monday, April 7, 2008 10:30:07 AM
Subject: Re: [Openswan Users] Error: "initial Main Mode message received on 192.168.23.23:500 but no connection has been authorized"

BUI18 wrote:

> I thought that "left" is suppose to be the Openswan's internet gateway, 
> which is why I specified 66.27.a.b.

No, this should be the IP address of the Openswan server itself.

> I did a tcpdump on the Openswan server and indeed it was receiving an
> initialization request on udp port 500.

Yes, but presumably for 192.168.23.23.

> Any suggestion on what left, leftnexthop and right, rightnexthop should be
> for this to work?

left=192.168.23.23
leftnexthop=192.168.23.1
leftsubnet=192.168.23.0/24
right=66.27.f.g
rightsubnet=192.168.99.0/24

I'm not sure if this will work but you should get a bit further and
if it does not work the logfile will tell which parameters are required.

Jacco
-- 
Jacco de Leeuw                        mailto:jacco2 at dds.nl
Zaandam, The Netherlands          http://www.jacco2.dds.nl


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