Hi,

It didn’t solve the issue.. It sill disconnect after an 1h.  Is there a new 
option we must set in version 4.1?

I’m change "salifetime=1h” to “salifetime=8h”, but this will delay the issue. 


--
Saludos / Regards / Cumprimentos
António Silva




> On 22 Jan 2021, at 12:06, António Silva <[email protected]> wrote:
> 
> I just change my configuration adding “rekey=yes”, waiting for the next hour 
> do check the results. 
> 
> 
> --
> Saludos / Regards / Cumprimentos
> António Silva
> 
> 
>> On 22 Jan 2021, at 12:02, António Silva <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi,
>> 
>> I’m having the same issue, after upgrading the server side to version 4.1, 
>> every hour the tunnel disconnects, restarting the client side only makes it 
>> work again.
>> 
>> 
>> Here is the logs from the server side when the tunnel is reconnecting after 
>> an 1h:
>> 
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: 
>> initiating IKEv1 Main Mode connection to replace #89
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: sent Main 
>> Mode request, replacing #89
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: 
>> responding to Main Mode from unknown peer 95.61.168.133:500
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: sent Main 
>> Mode R1
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: sent Main 
>> Mode R2
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133: queuing 
>> pending IPsec SA negotiating with 95.61.168.133 IKE SA #93 "tunnel8"[10] 
>> 95.61.168.133
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: Peer ID 
>> is ID_IPV4_ADDR: '192.168.1.2'
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: IKE SA 
>> established {auth=PRESHARED_KEY cipher=AES_CBC_256 integ=HMAC_SHA2_256 
>> group=MODP2048}
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> Sending Username/Password request (MAIN_R3->XAUTH_R0)
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> password file authentication method requested to authenticate user 
>> '[email protected] <mailto:[email protected]>'
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> password file (/etc/ipsec.d/passwd) open.
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> success user([email protected] <mailto:[email protected]>:(null))
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> User [email protected] <mailto:[email protected]>: Authentication 
>> Successful
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: XAUTH: 
>> xauth_inR1(STF_OK)
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: IKE SA 
>> established {auth=PRESHARED_KEY cipher=AES_CBC_256 integ=HMAC_SHA2_256 
>> group=MODP2048}
>> Jan 22 12:37:36 sol pluto[24350]: | pool 192.168.20.2-192.168.20.2: growing 
>> address pool from 0 to 1
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: 
>> modecfg_inR0(STF_OK)
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #94: sent 
>> ModeCfg reply, expecting Ack {auth=PRESHARED_KEY cipher=AES_CBC_256 
>> integ=HMAC_SHA2_256 group=MODP2048}
>> Jan 22 12:37:36 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: 
>> STATE_MAIN_I1: retransmission; will wait 0.5 seconds for response
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: sent Main 
>> Mode I2
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: sent Main 
>> Mode I3
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: Peer ID 
>> is ID_IPV4_ADDR: '192.168.1.2'
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: IKE SA 
>> established {auth=PRESHARED_KEY cipher=AES_CBC_256 integ=HMAC_SHA2_256 
>> group=MODP2048}
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: XAUTH: 
>> Sending Username/Password request (MAIN_I4->XAUTH_R0)
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: ignoring 
>> informational payload CERTIFICATE_UNAVAILABLE, msgid=00000000, length=12
>> Jan 22 12:37:37 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: received 
>> and ignored notification payload: CERTIFICATE_UNAVAILABLE
>> Jan 22 12:42:06 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #89: deleting 
>> state (STATE_MODE_CFG_R1) aged 3600.266987s and sending notification
>> Jan 22 12:42:06 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #90: deleting 
>> state (STATE_QUICK_R2) aged 3600.089852s and sending notification
>> Jan 22 12:42:06 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #90: ESP 
>> traffic information: in=11MB out=30MB [email protected] 
>> <mailto:[email protected]>
>> Jan 22 12:42:06 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #90: Warning: 
>> XAUTH username changed from '' to 'asilvaptremote.local'
>> Jan 22 12:42:06 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: ignoring 
>> Delete SA payload: PROTO_IPSEC_ESP SA(0x3e9fbbf6) not found (maybe expired)
>> Jan 22 12:42:06 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:42:36 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:42:36 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:42:36 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:42:36 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:43:06 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:43:06 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:43:36 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:43:36 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:44:06 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:44:06 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:44:37 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:44:37 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:45:07 sol pluto[24350]: existing bare shunt found - refusing to 
>> add a duplicate
>> Jan 22 12:45:07 sol pluto[24350]: ignoring found existing connection 
>> instance "tunnel8"[10] 95.61.168.133 that covers kernel acquire with IKE 
>> state #93 and IPsec state #0 - due to duplicate acquire?
>> Jan 22 12:45:12 sol pluto[24350]: "tunnel8"[10] 95.61.168.133 #93: received 
>> Delete SA payload: self-deleting ISAKMP State #93
>> 
>> 
>> 
>> 
>> My configuration:
>> conn tunnel8-aggr
>>      aggrmode=yes
>>      also=tunnel8
>> 
>> conn tunnel8
>>      pfs=no
>>      type=tunnel
>>      auto=add
>>      ikev2=no
>>      phase2=esp
>>      authby=secret
>>      keyingtries=3
>>      ikelifetime=24h
>>      salifetime=1h
>>      left=92.211.123.17
>>      leftsubnet=0.0.0.0/0
>>      [email protected] <mailto:[email protected]>
>>      right=%any
>>      rightid=%any
>>      rightaddresspool=192.168.20.100-192.168.20.254
>>      dpddelay=30
>>      dpdtimeout=300
>>      dpdaction=clear
>>      leftxauthserver=yes
>>      rightxauthclient=yes
>>      leftmodecfgserver=yes
>>      rightmodecfgclient=yes
>>      modecfgpull=yes
>>      fragmentation=yes
>>      xauthby=file
>> 
>> 
>> 
>> 
>> 
>> 
>> --
>> Saludos / Regards / Cumprimentos
>> António Silva
>> 
>> 
>> 
>> 
>>> On 21 Jan 2021, at 20:01, Michael Schwartzkopff <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> On 21.01.21 20:53, Kontakt wrote:
>>>> Hello,
>>>> I have a problem. ipsec tunnel compiled on libreswan 4.1 (centos 8) for 1
>>>> client causes it to disconnect after 3600s. the same configuration on
>>>> libreswan 3.23 (centos 7) does not cause such problems. conf file,
>>>> password, iptables, entries in routing table identical.
>>>> I checked sysctl - identical. the only difference is selinux (centos 7 has
>>>> enforce, centos 8 disabled).
>>>> 
>>>> libreswan 3.23 (centos 7):
>>>> 
>>>> *ipsec verify*Verifying installed system and configuration files
>>>> 
>>>> Version check and ipsec on-path [OK]
>>>> Libreswan 3.23 (netkey) on 3.10.0-862.3.2.el7.x86_64
>>>> Checking for IPsec support in kernel [OK]
>>>>  NETKEY: Testing XFRM related proc values
>>>>          ICMP default / send_redirects [NOT DISABLED]
>>>> 
>>>>   Disable / proc / sys / net / ipv4 / conf / * / send_redirects or NETKEY
>>>> will act on or cause sending of bogus ICMP redirects!
>>>> 
>>>>          ICMP default / accept_redirects [OK]
>>>>          XFRM larval drop [OK]
>>>> Pluto ipsec.conf syntax [OK]
>>>> Two or more interfaces found, checking IP forwarding [OK]
>>>> Checking rp_filter [ENABLED]
>>>>  / proc / sys / net / ipv4 / conf / all / rp_filter [ENABLED]
>>>>  / proc / sys / net / ipv4 / conf / default / rp_filter [ENABLED]
>>>>  / proc / sys / net / ipv4 / conf / em1 / rp_filter [ENABLED]
>>>>  / proc / sys / net / ipv4 / conf / em2 / rp_filter [ENABLED]
>>>>  / proc / sys / net / ipv4 / conf / ip_vti0 / rp_filter [ENABLED]
>>>>   rp_filter is not fully aware of IPsec and should be disabled
>>>> Checking that pluto is running [OK]
>>>>  Pluto listening for IKE on udp 500 [OK]
>>>>  Pluto listening for IKE / NAT-T on udp 4500 [OK]
>>>>  Pluto ipsec.secret syntax [OK]
>>>> Checking 'ip' command [OK]
>>>> Checking 'iptables' command [OK]
>>>> Checking 'prelink' command does not interfere with FIPS [OK]
>>>> Checking for obsolete ipsec.conf options [OK]
>>>> 
>>>> ipsec verify: encountered 12 errors - see 'man ipsec_verify' for help
>>>> 
>>>> *And for libreswan 4.1 (centos 8):*
>>>> * ipsec verify*
>>>> 
>>>> Verifying installed system and configuration files
>>>> 
>>>> Version check and ipsec on-path [OK]
>>>> Libreswan 4.1 (netkey) on 4.18.0-193.28.1.el8_2.x86_64
>>>> Checking for IPsec support in kernel [OK]
>>>>  NETKEY: Testing XFRM related proc values
>>>>          ICMP default / send_redirects [OK]
>>>>          ICMP default / accept_redirects [OK]
>>>>          XFRM larval drop [OK]
>>>> Pluto ipsec.conf syntax [OK]
>>>> Checking rp_filter [OK]
>>>> Checking that pluto is running [OK]
>>>>  Pluto listening for IKE on udp 500 [OK]
>>>>  Pluto listening for IKE / NAT-T on udp 4500 [OK]
>>>>  Pluto ipsec.secret syntax [OK]
>>>> Checking 'ip' command [OK]
>>>> Checking 'iptables' command [OK]
>>>> Checking 'prelink' command does not interfere with FIPS [OK]
>>>> Checking for obsolete ipsec.conf options [OK]
>>>> 
>>>> Where to look for the problem?
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Swan mailing list
>>>> [email protected] <mailto:[email protected]>
>>>> https://lists.libreswan.org/mailman/listinfo/swan 
>>>> <https://lists.libreswan.org/mailman/listinfo/swan>
>>> 
>>> 
>>> Logs? of both sides?
>>> 
>>> Seems the child negotiation somehow fails. But the reason should be in the 
>>> logs.
>>> 
>>> 
>>> 
>>> Mit freundlichen Grüßen,
>>> 
>>> -- 
>>> 
>>> [*] sys4 AG
>>>  
>>> https://sys4.de <https://sys4.de/>, +49 (89) 30 90 46 64
>>> Schleißheimer Straße 26/MG,80333 München
>>>  
>>> Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
>>> Vorstand: Patrick Ben Koetter, Marc Schiffbauer, Wolfgang Stief
>>> Aufsichtsratsvorsitzender: Florian Kirstein
>>> _______________________________________________
>>> Swan mailing list
>>> [email protected] <mailto:[email protected]>
>>> https://lists.libreswan.org/mailman/listinfo/swan 
>>> <https://lists.libreswan.org/mailman/listinfo/swan>
>> 
>> _______________________________________________
>> Swan mailing list
>> [email protected] <mailto:[email protected]>
>> https://lists.libreswan.org/mailman/listinfo/swan
> 
> _______________________________________________
> Swan mailing list
> [email protected]
> https://lists.libreswan.org/mailman/listinfo/swan

_______________________________________________
Swan mailing list
[email protected]
https://lists.libreswan.org/mailman/listinfo/swan

Reply via email to