Your message dated Sun, 17 Apr 2016 14:33:52 +0200
with message-id <[email protected]>
and subject line Re: Bug#821286: Acknowledgement (strongswan: Cannot create 
ipsec tunnel after upgrade to 5.4)
has caused the Debian Bug report #821286,
regarding strongswan: Cannot create ipsec tunnel after upgrade to 5.4
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
821286: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=821286
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: strongswan
Version: 5.4.0-1
Severity: normal

Dear Maintainer,

I have used strongswan to create an ipsec tunnel for a VPN connection to my
company. After stronswan was upgraded to 5.4 the formerly working configuration
does not longer work.

I get the following message:
initiating Main Mode IKE_SA vpn-metromec[1] to xxx.xxx.xxx.xxx
generating ID_PROT request 0 [ SA V V V V ]
sending packet: from 192.168.0.12[500] to xxx.xxx.xxx.xxx[500] (212 bytes)
received packet: from xxx.xxx.xxx.xxx[500] to 192.168.0.12[500] (248 bytes)
parsed ID_PROT response 0 [ SA V V V V V V V V V ]
received unknown vendor ID: f7:58:f2:26:68:75:0f:03:b0:8d:f6:eb:e1:d0:04:03
received unknown vendor ID: af:ca:d7:13:68:a1:f1:c9:6b:86:96:fc:77:57
received draft-ietf-ipsec-nat-t-ike-02 vendor ID
received draft-ietf-ipsec-nat-t-ike-02\n vendor ID
received draft-ietf-ipsec-nat-t-ike-03 vendor ID
received NAT-T (RFC 3947) vendor ID
received XAuth vendor ID
received DPD vendor ID
received unknown vendor ID: af:ca:d7:13:68:a1:f1:c9:6b:86:96:fc:77:57
generating ID_PROT request 0 [ KE No NAT-D NAT-D ]
sending packet: from 192.168.0.12[500] to xxx.xxx.xxx.xxx[500] (236 bytes)
received packet: from xxx.xxx.xxx.xxx[500] to 192.168.0.12[500] (220 bytes)
parsed ID_PROT response 0 [ KE No NAT-D NAT-D ]
local host is behind NAT, sending keep alives
generating ID_PROT request 0 [ ID HASH N(INITIAL_CONTACT) ]
sending packet: from 192.168.0.12[4500] to xxx.xxx.xxx.xxx[4500] (92 bytes)
received packet: from xxx.xxx.xxx.xxx[500] to 192.168.0.12[500] (220 bytes)
received retransmit of response with ID 0, but next request already sent
received packet: from xxx.xxx.xxx.xxx[4500] to 192.168.0.12[4500] (60 bytes)
parsed ID_PROT response 0 [ ID HASH ]
IKE_SA vpn-metromec[1] established between 
192.168.0.12[192.168.0.12]...xxx.xxx.xxx.xxx[xxx.xxx.xxx.xxx]
scheduling reauthentication in 27872s
maximum IKE_SA lifetime 28412s
generating QUICK_MODE request 221974855 [ HASH SA No ID ID NAT-OA NAT-OA ]
sending packet: from 192.168.0.12[4500] to xxx.xxx.xxx.xxx[4500] (220 bytes)
received packet: from xxx.xxx.xxx.xxx[4500] to 192.168.0.12[4500] (116 bytes)
parsed INFORMATIONAL_V1 request 503827175 [ HASH N(NO_PROP) ]
received NO_PROPOSAL_CHOSEN error notify
establishing connection 'vpn-metromec' failed

My ipsec.conf says:
conn vpn-metromec
     authby=secret
     rekey=yes
     keyingtries=3
     dpdaction=restart
     ikelifetime=8h
     keylife=1h
     keyexchange=ikev1
     ike=3des-md5-modp1024
     type=transport
     left=192.168.0.12
     leftsubnet=192.168.0.12[udp/1701]
     right=xxx.xxx.xxx.xxx
     rightsubnet=xxx.xxx.xxx.xxx[udp/1701]
     auto=add

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.5.0-1-amd64 (SMP w/12 CPU cores)
Locale: LANG=de_CH.UTF-8, LC_CTYPE=de_CH.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages strongswan depends on:
ii  strongswan-charon   5.4.0-1
ii  strongswan-starter  5.4.0-1

strongswan recommends no packages.

strongswan suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message ---
Adding esp=3des-md5 fixed to problem.
-- 
      ("`-''-/").___..--''"`-._
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    (il).-''  (li).'  ((!.-'

Andreas Tscharner   [email protected]   ICQ-No. 14356454

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