*****SPAM***** [Users] connection refuses after 30 minutes

From: Marc Mc Guinness (security_at_mcguinness.de)
Date: Wed Sep 18 2002 - 20:46:48 CEST


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Hello,

My connection breaks down after 30 minutes. The lifetime of keys is
set to one hour so this is not the problem. What happens here? The
connection can only be reactivated by doing
'ipsec auto --down spoint-road'

------------------------------------------------------------
Sep 18 20:02:01 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#194: sent MR3, ISAKMP SA established
Sep 18 20:02:02 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#195: responding to Quick Mode
Sep 18 20:02:02 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#195: IPsec SA established
Sep 18 20:28:47 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#194: ignoring Delete SA payload
Sep 18 20:28:47 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#194: received and ignored informational message
Sep 18 20:31:14 spointr1 Pluto[6954]: packet from
213.7.xxx.xxx:500: ignoring Vendor ID payload
Sep 18 20:31:14 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#196: responding to Main Mode from unknown peer 213.7.xxx.xxx
Sep 18 20:31:14 spointr1 Pluto[6954]: ERROR: "spoint-road"
213.7.xxx.xxx #196: sendto on eth0 to 213.7.xxx.xxx:500 failed in
STATE_MAIN_R0. Errno 1: Operation not permitted
Sep 18 20:31:14 spointr1 Pluto[6954]: "spoint-road" 213.7.xxx.xxx
#196: ERROR: asynchronous network error report on eth0 for message
to 213.7.xxx.xxx port 500, complainant 62.138.xxx.xxx: Connection
refused [errno 111, origin ICMP type 3 code 3 (not authenticated)
------------------------------------------------------------

'ipsec auto --status' says the following:
------------------------------------------------------------
000 "spoint-road" instance:
192.168.0.0/24===62.138.xxx.xxx---62.138.xxx.xxx...213.7.xxx.xxx
000 "spoint-road" instance: ike_life: 3600s; ipsec_life: 3600s;
rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0
000 "spoint-road" instance: policy: PSK+ENCRYPT+TUNNEL+PFS;
interface: eth0; erouted
000 "spoint-road" instance: newest ISAKMP SA: #194; newest IPsec
SA: #195; eroute owner: #195
000 "spoint-road":
192.168.0.0/24===62.138.xxx.xxx---62.138.xxx.xxx...%any
000 "spoint-road": ike_life: 3600s; ipsec_life: 3600s;
rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0
000 "spoint-road": policy: PSK+ENCRYPT+TUNNEL+PFS; interface:
eth0; unrouted
000 "spoint-road": newest ISAKMP SA: #0; newest IPsec SA: #0;
eroute owner: #0
000
000 #195: "spoint-road" 213.7.xxx.xxx STATE_QUICK_R2 (IPsec SA
established); EVENT_SA_REPLACE in 1387s; newest IPSEC; eroute owner
000 #195: "spoint-road" 213.7.xxx.xxx esp.cd70fe28_at_213.7.xxx.xxx
esp.b428856a_at_62.138.xxx.xxx tun.100a_at_213.7.xxx.xxx
tun.1009_at_62.138.xxx.xxx
000 #194: "spoint-road" 213.7.xxx.xxx STATE_MAIN_R3 (sent MR3,
ISAKMP SA established); EVENT_SA_REPLACE in 1386s; newest ISAKMP
------------------------------------------------------------

Best regards,

Marc
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