mdw@git.distorted.org.uk Git - secnet/blob - example.conf

   1 # secnet example configuration file
   2
   3 # Log facility
   4 log syslog {
   5         ident "secnet";
   6         facility "local0";
   7 };
   8
   9 # Alternatively you could log to a file:
  10 # log logfile {
  11 #       filename "/var/log/secnet";
  12 #       class "info","notice","warning","error","security","fatal";
  13 #       # There are some useful message classes that could replace
  14 #       # this list:
  15 #       #  'default' -> warning,error,security,fatal
  16 #       #  'verbose' -> info,notice,default
  17 #       #  'quiet'   -> fatal
  18 # };
  19
  20 # Systemwide configuration (all other configuration is per-site):
  21 # log           a log facility for program messages
  22 # userid        who we try to run as after setup
  23 # pidfile
  24 system {
  25         userid "secnet";
  26         pidfile "/var/run/secnet.pid";
  27 };
  28
  29 # Parameters for each remote site (arguments to the site() closure):
  30 #  things we configure locally
  31 # buffer                buffer for constructing/sending/receiving packets
  32 # netlink               user/kernel netlink device for this tunnel
  33 # comm                  UDP communication
  34 # resolver              resolver to use for name lookups
  35 # log                   a log destination for this connection
  36 # log-events            string list: which events we log
  37 # random                a source of randomness
  38
  39 #  our local configuration visible to the outside world
  40 # local-name            string: how we identify ourselves to them
  41 # local-key             our own private RSA key
  42 # local-port            port number we listen on
  43
  44 #  their configuration visible to us
  45 # name                  string: how they identify themselves
  46 # address               string: use with resolver to find their IP address
  47 # networks              string list: their networks for us
  48 # key                   the remote site's RSA public key
  49 # port                  port we send to to contact remote site
  50
  51 #  things both ends must agree on
  52 # transform             routine for bulk encryption
  53 # dh                    Diffie-Hellman parameters
  54 # hash                  secure hash function
  55
  56 #  things both ends ought to agree on, but don't have to
  57 # key-lifetime          max session key lifetime, in milliseconds
  58 # setup-retries         max retransmits of a key setup packet
  59 # setup-timeout         wait between retransmits of key setup packets, in ms
  60 # wait-time             wait between unsuccessful key setup attempts, in ms
  61 # renegotiate-time      set up a new key if we see any traffic after this time
  62
  63 setup-retries 10;
  64 setup-timeout 2000;
  65
  66 # Use the universal TUN/TAP driver to get packets to and from the kernel
  67 #  (use tun-old if you are not on Linux-2.4)
  68 netlink tun {
  69         name "netlink-tun"; # Printed in log messages from this netlink
  70 #       interface "tun0"; # You may set your own interface name if you wish;
  71                 # if you don't one will be chosen for you.
  72
  73         # local networks served by this netlink device
  74         # incoming tunneled packets for other networks will be discarded
  75         networks "192.168.x.x/24", "192.168.x.x/24", "172.x.x.x/24";
  76         local-address "192.168.x.x"; # IP address of host's tunnel interface
  77         secnet-address "192.168.x.x"; # IP address of this secnet
  78
  79         # MTU of the tunnel interface. Should be kept under the path-MTU
  80         # (by at least 60 bytes) between this secnet and its peers for
  81         # optimum performance.
  82         mtu 1400;
  83
  84         # This buffer is used to pass incoming packets onto the 'site'
  85         # module. It should be at least as big as the MTU plus 60 bytes.
  86         # Buffers can sometimes be shared between netlink devices - see
  87         # full documentation for more details. (XXX TODO)
  88         buffer sysbuffer(2048);
  89 };
  90
  91 # Alternatively (or additionally, if you like) use userv-ipif to get
  92 # packets to and from the kernel.
  93 #netlink userv-ipif {
  94 #       name "netlink-userv-ipif";
  95 #       # userv-path "/usr/bin/userv";
  96 #       # service-user "root";
  97 #       # service-name "ipif";
  98 #       networks "whatever";
  99 #       local-address "whatever";
 100 #       secnet-address "whatever";
 101 #       mtu 1400;
 102 #       buffer sysbuffer(2048);
 103 #};
 104
 105 # This defines the port that this instance of secnet will listen on, and
 106 # originate packets on. It does not _have_ to correspond to the advertised
 107 # port for your site: you may be doing network address translation, for
 108 # example. You need to arrange that any UDP packets sent to the advertised
 109 # host and port for your site end up on this machine at the port you
 110 # specify here.
 111 comm udp {
 112         port xxxx;
 113         buffer sysbuffer(4096);
 114 };
 115
 116 # The resolver is used to look up IP addresses from the DNS names provided
 117 # in the sites file. You may specify an alternative resolv.conf for
 118 # ADNS here if you wish.
 119 resolver adns {
 120 #       config=readfile("/etc/secnet/adns.conf");
 121 };
 122
 123 # log is defined earlier - we share it with the system
 124 log-events "setup-init","setup-timeout","activate-key","timeout-key","errors",
 125         "security";
 126
 127 # A source of random bits for nonces and session keys. The 'no' specifies
 128 # that it's non-blocking. XXX 'yes' isn't implemented yet.
 129 random randomfile("/dev/urandom",no);
 130
 131 # If you're using the make-secnet-sites.py script then your local-name
 132 # will be of the form "vpnname/location/site" eg. "sgo/greenend/sinister"
 133 local-name "your-site-name";
 134 local-key rsa-private("/etc/secnet/key");
 135
 136 # On dodgy links you may want to specify a higher maximum sequence number skew
 137 transform serpent256-cbc {
 138         max-sequence-skew 10;
 139 };
 140
 141 include /etc/secnet/sites.conf
 142
 143 # Here you must list all the VPN sites that you wish to communicate with.
 144 # The /etc/secnet/sites file contains information on all reachable sites;
 145 # if the site you want to communicate with isn't listed, you should get
 146 # a newer version. MAKE SURE YOU GET AN AUTHENTIC COPY OF THE FILE - it
 147 # contains public keys for all sites.
 148
 149 sites
 150         site(vpn-data/example/location1/site1),
 151         site(vpn-data/example/location2/site1),
 152         site(vpn-data/example/location2/site2);
 153
 154 # If you want to communicate with all the VPN sites, you can use something
 155 # like the following instead:
 156
 157 # sites map(site,vpn/example/all-sites);
 158
 159 # If you want to communicate with a subset of locations, try the following:
 160
 161 # sites map(site,vpn/example/location1,vpn/example/location2);