Package: openswan
Version: 1:2.6.21+dfsg-2
Severity: normal

After a clean install of openswan, it fails to start; throwing this into
syslog every 10 seconds or so:

Jul 20 19:29:19 nacelle ipsec_setup: Restarting Openswan IPsec 
U2.6.21/K2.6.26-2-amd64...
Jul 20 19:29:19 nacelle ipsec_setup: Using NETKEY(XFRM) stack
Jul 20 19:29:19 nacelle kernel: [6914004.525186] Initializing XFRM netlink 
socket
Jul 20 19:29:19 nacelle ipsec_setup: ...Openswan IPsec started
Jul 20 19:29:19 nacelle pluto: adjusting ipsec.d to /etc/ipsec.d
Jul 20 19:29:19 nacelle ipsec__plutorun: adjusting ipsec.d to /etc/ipsec.d
Jul 20 19:29:19 nacelle racoon: INFO: unsupported PF_KEY message REGISTER 
Jul 20 19:29:19 nacelle last message repeated 2 times
Jul 20 19:29:19 nacelle ipsec__plutorun: 003 FATAL ERROR: bind() failed in 
find_raw_ifaces4(). Errno 98: Address already in use
Jul 20 19:29:19 nacelle ipsec__plutorun: !pluto failure!:  exited with error 
status 1
Jul 20 19:29:19 nacelle ipsec__plutorun: restarting IPsec after pause...
Jul 20 19:29:29 nacelle ipsec_setup: Stopping Openswan IPsec...
Jul 20 19:29:30 nacelle ipsec_setup: ERROR: Module af_key is in use
Jul 20 19:29:30 nacelle ipsec_setup: ...Openswan IPsec stopped

By reading this page

  
http://www.linuxquestions.org/questions/linux-networking-3/need-vpn-server-on-fc2-to-host-winxp-remote-clients-391972/

I determined that

  modprobe ip_gre

is required. Having done that, it now starts successfully.

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages openswan depends on:
ii  bind9-host [hos 1:9.5.1.dfsg.P2-1+lenny1 Version of 'host' bundled with BIN
ii  bsdmainutils    6.1.10                   collection of more utilities from 
ii  debconf [debcon 1.5.27                   Debian configuration management sy
ii  debianutils     3.2                      Miscellaneous utilities specific t
ii  iproute         20090324-1               networking and traffic control too
ii  ipsec-tools     1:0.7.1-1.5              IPsec tools for Linux
ii  libc6           2.9-12                   GNU C Library: Shared libraries
ii  libcurl3        7.19.5-1                 Multi-protocol file transfer libra
ii  libgmp3c2       2:4.2.4+dfsg-8.1         Multiprecision arithmetic library
ii  libldap-2.4-2   2.4.11-1                 OpenLDAP libraries
ii  libpam0g        1.0.1-9                  Pluggable Authentication Modules l
ii  openssl         0.9.8k-3                 Secure Socket Layer (SSL) binary a

openswan recommends no packages.

Versions of packages openswan suggests:
ii  curl                          7.19.5-1   Get a file from an HTTP, HTTPS or 
pn  openswan-modules-source | lin <none>     (no description available)

-- debconf information excluded



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