Provided by: racoon_0.6.5-4ubuntu1_i386 bug

NAME

     racoon.conf - configuration file for racoon

DESCRIPTION

     racoon.conf is the configuration file for the racoon(8) ISAKMP daemon.
     racoon(8) negotiates security associations for itself (ISAKMP SA, or
     phase 1 SA) and for kernel IPsec (IPsec SA, or phase 2 SA).  The file
     consists of a sequence of directives and statements.  Each directive is
     composed by a tag and statements, enclosed by ‘{’ and ‘}’.  Lines
     beginning with ‘#’ are comments.

   Meta Syntax
     Keywords and special characters that the parser expects exactly are
     displayed using this font.  Parameters are specified with this font.
     Square brackets (‘[’ and ‘]’) are used to show optional keywords and
     parameters.  Note that you have to pay attention when this manual is
     describing port numbers.  The port number is always enclosed by ‘[’ and
     ‘]’.  In this case, the port number is not an optional keyword.  If it is
     possible to omit the port number, the expression becomes [[port]].  The
     vertical bar (‘|’) is used to indicate a choice between optional
     parameters.  Parentheses (‘(’ and ‘)’) are used to group keywords and
     parameters when necessary.  Major parameters are listed below.

     number    means a hexadecimal or a decimal number.  The former must be
               prefixed with ‘0x’.
     string
     path
     file      means any string enclosed in ‘"’ (double quotes).
     address   means IPv6 and/or IPv4 address.
     port      means a TCP/UDP port number.  The port number is always
               enclosed by ‘[’ and ‘]’.
     timeunit  is one of following: sec, secs, second, seconds, min, mins,
               minute, minutes, hour, hours.

   Privilege separation
     privsep { statements }
             specifies privilege separation parameters.  When enabled, these
             enable racoon(8) to operate with an unprivileged instance doing
             most of the work, while a privileged instance takes care of
             performing the following operations as root: reading PSK and
             private keys, launching hook scripts, and validating passwords
             against system databases or against PAM.

             user user;
                     The user to which the unprivileged instance of racoon(8),
                     should switch.  This can be a quoted user name or a
                     numeric UID.
             group group;
                     The group to which the unprivileged instance of
                     racoon(8), should switch.  This can be a quoted group
                     name or a numeric GID.
             chroot path;
                     A directory to which the unprivileged instance of
                     racoon(8) should chroot(2).  This directory should hold a
                     tree where the following files must be reachable:
                     /dev/random
                     /dev/urandom
                     the certificates
                     the file containing the Xauth banner

                     The PSK file, the private keys, and the hook scripts are
                     accessed through the privileged instance of racoon(8) and
                     do not need to be reachable in the chroot(2)’ed tree.

   Path Specification
     This section specify various paths used by racoon.  When running in
     privilege separation mode, certificate and script paths are mandatory.
     path include path;
             specifies a path to include a file.  See File Inclusion.
     path pre_shared_key file;
             specifies a file containing pre-shared key(s) for various ID(s).
             See Pre-shared key File.
     path certificate path;
             racoon(8) will search this directory if a certificate or
             certificate request is received.  If you run with privilege
             separation, racoon(8) will refuse to use a certificate stored
             outside of this directory.
     path backupsa file;
             specifies a file to which SA information which is negotiated by
             racoon should be stored.  racoon(8) will install SA(s) from the
             file when started with the -B flag.  The file is growing because
             racoon(8) simply adds SAs to it.  You should maintain the file
             manually.
     path script path;
             racoon(8) will search this directory for scripts hooks.  If you
             run with privilege separation, racoon(8) will refuse to execute a
             script stored outside of this directory.
     path pidfile file;
             specifies file where to store PID of process.  If path starts
             with / it is treated as an absolute path, otherwise relative to
             VARRUN directory specified at compilation time.  Default is
             racoon.pid.

   File Inclusion
     include file
             other configuration files can be included.

   Identifier Specification
     is obsolete.  It must be defined at each remote directive.

   Timer Specification
     timer { statements }
             specifies various timer values.

             counter number;
                     the maximum number of retries to send.  The default is 5.
             interval number timeunit;
                     the interval to resend, in seconds.  The default time is
                     10 seconds.
             persend number;
                     the number of packets per send.  The default is 1.
             phase1 number timeunit;
                     the maximum time it should take to complete phase 1.  The
                     default time is 15 seconds.
             phase2 number timeunit;
                     the maximum time it should take to complete phase 2.  The
                     default time is 10 seconds.
             natt_keepalive number timeunit;
                     interval between sending NAT-Traversal keep-alive
                     packets.  The default time is 20 seconds.  Set to 0s to
                     disable keep-alive packets.

   Listening Port Specification
     listen { statements }
             If no listen directive is specified, racoon(8) will listen on all
             available interface addresses.  The following is the list of
             valid statements:

             isakmp address [[port]];
                     If this is specified, racoon(8) will only listen on
                     address.  The default port is 500, which is specified by
                     IANA.  You can provide more than one address definition.
             isakmp_natt address [port];
                     Same as isakmp but also sets the socket options to accept
                     UDP-encapsulated ESP traffic for NAT-Traversal.  If you
                     plan to use NAT-T, you should provide at least one
                     address with port 4500, which is specified by IANA.
                     There is no default.
             strict_address;
                     require that all addresses for ISAKMP must be bound.
                     This statement will be ignored if you do not specify any
                     address.
             The listen section can also be used to specify the admin socket
             mode and ownership, if racoon was built with support for admin
             port.
             adminsock path [owner group mode];
                     path, owner, and group are the socket path, owner, and
                     group; they must be quoted.  Defaults are
                     /var/racoon/racoon.sock, UID 0, and GID 0.  mode is the
                     access mode in octal, default is 0600.
             adminsock disabled;
                     This directive tells racoon to not listen on the admin
                     socket.

   Miscellaneous Global Parameters
     gss_id_enc enctype;
             Older versions of racoon(8) used ISO-Latin-1 as the encoding of
             the GSS-API identifier attribute.  For interoperability with
             Microsoft Windows’ GSS-API authentication scheme, the default
             encoding has been changed to UTF-16LE.  The gss_id_enc parameter
             allows racoon(8) to be configured to use the old encoding for
             compatibility with existing racoon(8) installations.  The
             following are valid values for enctype:

             utf-16le
                     Use UTF-16LE to encode the GSS-API identifier attribute.
                     This is the default encoding.  This encoding is
                     compatible with Microsoft Windows.
             latin1  Use ISO-Latin-1 to encode the GSS-API identifier
                     attribute.  This is the encoding used by older versions
                     of racoon(8).

   Remote Nodes Specifications
     remote (address | anonymous) [[port]] [inherit parent] { statements }
             specifies the parameters for IKE phase 1 for each remote node.
             The default port is 500.  If anonymous is specified, the
             statements apply to all peers which do not match any other remote
             directive.

             Sections with inherit parent statements (where parent is either
             address or a keyword anonymous) have all values predefined to
             those of a given parent.  In these sections it is enough to
             redefine only the changed parameters.

             The following are valid statements.

             exchange_mode (main | aggressive | base);
                     defines the exchange mode for phase 1 when racoon is the
                     initiator.  It also means the acceptable exchange mode
                     when racoon is responder.  More than one mode can be
                     specified by separating them with a comma.  All of the
                     modes are acceptable.  The first exchange mode is what
                     racoon uses when it is the initiator.
             doi ipsec_doi;
                     means to use IPsec DOI as specified in RFC 2407.  You can
                     omit this statement.
             situation identity_only;
                     means to use SIT_IDENTITY_ONLY as specified in RFC 2407.
                     You can omit this statement.
             identifier idtype;
                     is obsolete.  Instead, use my_identifier.
             my_identifier idtype ...;
                     specifies the identifier sent to the remote host and the
                     type to use in the phase 1 negotiation.  address, fqdn,
                     user_fqdn, keyid, and asn1dn can be used as an idtype.
                     Use them in the following way:
                     my_identifier address [address];
                             the type is the IP address.  This is the default
                             type if you do not specify an identifier to use.
                     my_identifier user_fqdn string;
                             the type is a USER_FQDN (user fully-qualified
                             domain name).
                     my_identifier fqdn string;
                             the type is a FQDN (fully-qualified domain name).
                     my_identifier keyid file;
                             the type is a KEY_ID.
                     my_identifier asn1dn [string];
                             the type is an ASN.1 distinguished name.  If
                             string is omitted, racoon(8) will get the DN from
                             the Subject field in the certificate.
             xauth_login [string];
                     specifies the login to use in client-side Hybrid
                     authentication.  It is available only if racoon(8) has
                     been built with this option.  The associated password is
                     looked up in the pre-shared key files, using the login
                     string as the key id.
             peers_identifier idtype ...;
                     specifies the peer’s identifier to be received.  If it is
                     not defined then racoon(8) will not verify the peer’s
                     identifier in ID payload transmitted from the peer.  If
                     it is defined, the behavior of the verification depends
                     on the flag of verify_identifier.  The usage of idtype is
                     the same as my_identifier except that the individual
                     component values of an asn1dn identifier may specified as
                     * to match any value (e.g. "C=XX, O=MyOrg, OU=*,
                     CN=Mine").  Alternative acceptable peer identifiers may
                     be specified by repeating the peers_identifier statement.
             verify_identifier (on | off);
                     If you want to verify the peer’s identifier, set this to
                     on.  In this case, if the value defined by
                     peers_identifier is not the same as the peer’s identifier
                     in the ID payload, the negotiation will failed.  The
                     default is off.
             certificate_type certspec;
                     specifies a certificate specification.  certspec is one
                     of followings:
                     x509 certfile privkeyfile;
                             certfile means a file name of a certificate.
                             privkeyfile means a file name of a secret key.
             ca_type cacertspec;
                     specifies a root certificate authority specification.
                     cacertspec is one of followings:
                     x509 cacertfile;
                             cacertfile means a file name of the root
                             certificate authority.  Default is
                             /etc/openssl/cert.pem
             mode_cfg (on | off);
                     Gather network information through ISAKMP mode
                     configuration.  Default is off.
             peers_certfile (dnssec | certfile);
                     If dnssec is defined, racoon(8) will ignore the CERT
                     payload from the peer, and try to get the peer’s
                     certificate from DNS instead.  If certfile is defined,
                     racoon(8) will ignore the CERT payload from the peer, and
                     will use this certificate as the peer’s certificate.
             script script phase1_up
             script script phase1_down
                     Shell scripts that get executed when a phase 1 SA goes up
                     or down.  Both scripts get either phase1_up or
                     phase1_down as first argument, and the following
                     variables are set in their environment:
                     LOCAL_ADDR
                             The local address of the phase 1 SA.
                     LOCAL_PORT
                             The local port used for IKE for the phase 1 SA.
                     REMOTE_ADDR
                             The remote address of the phase 1 SA.
                     REMOTE_PORT
                             The remote port used for IKE for the phase 1 SA.
                     The following variables are only set if mode_cfg was
                     enabled:
                     INTERNAL_ADDR4
                             An IPv4 internal address obtained by ISAKMP mode
                             config.
                     INTERNAL_NETMASK4
                             An IPv4 internal netmask obtained by ISAKMP mode
                             config.
                     INTERNAL_DNS4
                             Internal DNS server IPv4 address obtained by
                             ISAKMP mode config.
                     INTERNAL_NBNS4
                             Internal WINS server IPv4 address obtained by
                             ISAKMP mode config.
             send_cert (on | off);
                     If you do not want to send a certificate for some reason,
                     set this to off.  The default is on.
             send_cr (on | off);
                     If you do not want to send a certificate request for some
                     reason, set this to off.  The default is on.
             verify_cert (on | off);
                     If you do not want to verify the peer’s certificate for
                     some reason, set this to off.  The default is on.
             lifetime time number timeunit;
                     Define a lifetime of a certain time which will be
                     proposed in the phase 1 negotiations.  Any proposal will
                     be accepted, and the attribute(s) will be not proposed to
                     the peer if you do not specify it (them).  They can be
                     individually specified in each proposal.
             ike_frag (on | off);
                     Enable receiver-side IKE fragmentation, if racoon(8) has
                     been built with this feature.  This extension is there to
                     work around broken firewalls that do not work with
                     fragmented UDP packets.  IKE fragmentation is always
                     enabled on the sender-side, and it is used if the peer
                     advertises itself as IKE fragmentation capable.
             esp_frag fraglen;
                     This option is only relevant if you use NAT traversal in
                     tunnel mode.  Its purpose is to work around broken DSL
                     routers that reject UDP fragments, by fragmenting the IP
                     packets before ESP encapsulation.  The result is ESP over
                     UDP of fragmented packets instead of fragmented ESP over
                     UDP packets (i.e., IP:UDP:ESP:frag(IP) instead of
                     frag(IP:UDP:ESP:IP)).  fraglen is the maximum size of the
                     fragments.  552 should work anywhere, but the higher
                     fraglen is, the better is the performance.

                     Note that because PMTU discovery is broken on many sites,
                     you will have to use MSS clamping if you want TCP to work
                     correctly.
             initial_contact (on | off);
                     enable this to send an INITIAL-CONTACT message.  The
                     default value is on.  This message is useful only when
                     the implementation of the responder chooses an old SA
                     when there are multiple SAs with different established
                     time, and the initiator reboots.  If racoon did not send
                     the message, the responder would use an old SA even when
                     a new SA was established.  The KAME stack has the switch
                     in the system wide value net.key.preferred_oldsa.  when
                     the value is zero, the stack always uses a new SA.
             passive (on | off);
                     If you do not want to initiate the negotiation, set this
                     to on.  The default value is off.  It is useful for a
                     server.
             proposal_check level;
                     specifies the action of lifetime length and PFS of the
                     phase 2 selection on the responder side, and the action
                     of lifetime check in phase 1.  The default level is
                     strict.  If the level is:
                     obey    the responder will obey the initiator anytime.
                     strict  If the responder’s length is longer than the
                             initiator’s one, the responder uses the
                             initiator’s one.  Otherwise it rejects the
                             proposal.  If PFS is not required by the
                             responder, the responder will obey the proposal.
                             If PFS is required by both sides and if the
                             responder’s group is not equal to the initiator’s
                             one, then the responder will reject the proposal.
                     claim   If the responder’s length is longer than the
                             initiator’s one, the responder will use the
                             initiator’s one.  If the responder’s length is
                             shorter than the initiator’s one, the responder
                             uses its own length AND sends a RESPONDER-
                             LIFETIME notify message to an initiator in the
                             case of lifetime (phase 2 only).  For PFS, this
                             directive behaves the same as strict.
                     exact   If the initiator’s length is not equal to the
                             responder’s one, the responder will reject the
                             proposal.  If PFS is required by both sides and
                             if the responder’s group is not equal to the
                             initiator’s one, then the responder will reject
                             the proposal.
             support_proxy (on | off);
                     If this value is set to on, then both values of ID
                     payloads in the phase 2 exchange are always used as the
                     addresses of end-point of IPsec-SAs.  The default is off.
             generate_policy (on | off);
                     This directive is for the responder.  Therefore you
                     should set passive to on in order that racoon(8) only
                     becomes a responder.  If the responder does not have any
                     policy in SPD during phase 2 negotiation, and the
                     directive is set to on, then racoon(8) will choose the
                     first proposal in the SA payload from the initiator, and
                     generate policy entries from the proposal.  It is useful
                     to negotiate with clients whose IP address is allocated
                     dynamically.  Note that an inappropriate policy might be
                     installed into the responder’s SPD by the initiator, so
                     other communications might fail if such policies are
                     installed due to a policy mismatch between the initiator
                     and the responder.  This directive is ignored in the
                     initiator case.  The default value is off.
             nat_traversal (on | off | force);
                     This directive enables use of the NAT-Traversal IPsec
                     extension (NAT-T).  NAT-T allows one or both peers to
                     reside behind a NAT gateway (i.e., doing address- or
                     port-translation).  Presence of NAT gateways along the
                     path is discovered during phase 1 handshake and if found,
                     NAT-T is negotiated.  When NAT-T is in charge, all ESP
                     and AH packets of a given connection are encapsulated
                     into UDP datagrams (port 4500, by default).  Possible
                     values are:
                     on      NAT-T is used when a NAT gateway is detected
                             between the peers.
                     off     NAT-T is not proposed/accepted.  This is the
                             default.
                     force   NAT-T is used regardless if a NAT is detected
                             between the peers or not.
                     Please note that NAT-T support is a compile-time option.
                     Although it is enabled in the source distribution by
                     default, it may not be available in your particular
                     build.  In that case you will get a warning when using
                     any NAT-T related config options.
             dpd_delay delay;
                     This option activates the DPD and sets the time (in
                     seconds) allowed between 2 proof of liveness requests.
                     The default value is 0, which disables DPD monitoring,
                     but still negotiates DPD support.
             dpd_retry delay;
                     If dpd_delay is set, this sets the delay (in seconds) to
                     wait for a proof of liveness before considering it as
                     failed and send another request.  The default value is 5.
             dpd_maxfail number;
                     If dpd_delay is set, this sets the maximum number of
                     proof of liveness to request (without reply) before
                     considering the peer is dead.  The default value is 5.
             nonce_size number;
                     define the byte size of nonce value.  Racoon can send any
                     value although RFC2409 specifies that the value MUST be
                     between 8 and 256 bytes.  The default size is 16 bytes.
             proposal { sub-substatements }
                     encryption_algorithm algorithm;
                             specify the encryption algorithm used for the
                             phase 1 negotiation.  This directive must be
                             defined.  algorithm is one of following: des,
                             3des, blowfish, cast128, aes for Oakley.  For
                             other transforms, this statement should not be
                             used.
                     hash_algorithm algorithm;
                             define the hash algorithm used for the phase 1
                             negotiation.  This directive must be defined.
                             algorithm is one of following: md5, sha1, sha256,
                             sha384, sha512 for Oakley.
                     authentication_method type;
                             defines the authentication method used for the
                             phase 1 negotiation.  This directive must be
                             defined.  type is one of: pre_shared_key, rsasig,
                             gssapi_krb, hybrid_rsa_server, or
                             hybrid_rsa_client.
                     dh_group group;
                             define the group used for the Diffie-Hellman
                             exponentiations.  This directive must be defined.
                             group is one of following: modp768, modp1024,
                             modp1536, modp2048, modp3072, modp4096, modp6144,
                             modp8192.  Or you can define 1, 2, 5, 14, 15, 16,
                             17, or 18 as the DH group number.  When you want
                             to use aggressive mode, you must define the same
                             DH group in each proposal.
                     lifetime time number timeunit;
                             define lifetime of the phase 1 SA proposal.
                             Refer to the description of the lifetime
                             directive defined in the remote directive.
                     gss_id string;
                             define the GSS-API endpoint name, to be included
                             as an attribute in the SA, if the gssapi_krb
                             authentication method is used.  If this is not
                             defined, the default value of ‘host/hostname’ is
                             used, where hostname is the value returned by the
                             hostname(1) command.

   Policy Specifications
     The policy directive is obsolete, policies are now in the SPD.  racoon(8)
     will obey the policy configured into the kernel by setkey(8), and will
     construct phase 2 proposals by combining sainfo specifications in
     racoon.conf, and policies in the kernel.

   Sainfo Specifications
     sainfo (source_id destination_id | anonymous) [from idtype [string]] {
             statements }
             defines the parameters of the IKE phase 2 (IPsec-SA
             establishment).  source_id and destination_id are constructed
             like:

             address address [/ prefix] [[port]] ul_proto

             or

             subnet address [/ prefix] [[port]] ul_proto

             or

             idtype string

             It means exactly the content of ID payload.  This is not like a
             filter rule.  For example, if you define 3ffe:501:4819::/48 as
             source_id.  3ffe:501:4819:1000:/64 will not match.

             In case of longest prefix (selecting single host) address
             instructs to send ID type of ADDRESS, while subnet instructs to
             send ID type of SUBNET.  Otherwise these instructions are
             identical.

             pfs_group group;
                     define the group of Diffie-Hellman exponentiations.  If
                     you do not require PFS then you can omit this directive.
                     Any proposal will be accepted if you do not specify one.
                     group is one of following: modp768, modp1024, modp1536,
                     modp2048, modp3072, modp4096, modp6144, modp8192.  Or you
                     can define 1, 2, 5, 14, 15, 16, 17, or 18 as the DH group
                     number.
             lifetime time number timeunit;
                     define how long an IPsec-SA will be used, in timeunits.
                     Any proposal will be accepted, and no attribute(s) will
                     be proposed to the peer if you do not specify it(them).
                     See the proposal_check directive.
             my_identifier idtype ...;
                     is obsolete.  It does not make sense to specify an
                     identifier in the phase 2.

             racoon(8) does not have a list of security protocols to be
             negotiated.  The list of security protocols are passed by SPD in
             the kernel.  Therefore you have to define all of the potential
             algorithms in the phase 2 proposals even if there are algorithms
             which will not be used.  These algorithms are define by using the
             following three directives, with a single comma as the separator.
             For algorithms that can take variable-length keys, algorithm
             names can be followed by a key length, like “blowfish 448”.
             racoon(8) will compute the actual phase 2 proposals by computing
             the permutation of the specified algorithms, and then combining
             them with the security protocol specified by the SPD.  For
             example, if des, 3des, hmac_md5, and hmac_sha1 are specified as
             algorithms, we have four combinations for use with ESP, and two
             for AH.  Then, based on the SPD settings, racoon(8) will
             construct the actual proposals.  If the SPD entry asks for ESP
             only, there will be 4 proposals.  If it asks for both AH and ESP,
             there will be 8 proposals.  Note that the kernel may not support
             the algorithm you have specified.
             encryption_algorithm algorithms;
                     des, 3des, des_iv64, des_iv32, rc5, rc4, idea, 3idea,
                     cast128, blowfish, null_enc, twofish, rijndael, aes (used
                     with ESP)
             authentication_algorithm algorithms;
                     des, 3des, des_iv64, des_iv32, hmac_md5, hmac_sha1,
                     hmac_sha256, hmac_sha384, hmac_sha512, non_auth (used
                     with ESP authentication and AH)
             compression_algorithm algorithms;
                     deflate (used with IPComp)

   Logging level
     log level;
             define logging level.  level is one of following: notify, debug,
             and debug2.  The default is notify.  If you set the logging level
             too high on slower machines, IKE negotiation can fail due to
             timing constraint changes.

   Specifying the way to pad
     padding { statements }
             specified padding format.  The following are valid statements:
             randomize (on | off);
                     enable using a randomized value for padding.  The default
                     is on.
             randomize_length (on | off);
                     the pad length is random.  The default is off.
             maximum_length number;
                     define a maximum padding length.  If randomize_length is
                     off, this is ignored.  The default is 20 bytes.
             exclusive_tail (on | off);
                     means to put the number of pad bytes minus one into the
                     last part of the padding.  The default is on.
             strict_check (on | off);
                     means to constrain the peer to set the number of pad
                     bytes.  The default is off.

   ISAKMP mode configuration settings
     mode_cfg { statements }
             Defines the information to return for remote hosts’ ISAKMP mode
             config requests.  Also defines the authentication source for
             remote peers authenticating through hybrid auth.

             The following are valid statements:
             auth_source (system | radius | pam);
                     Specify the source for authentication of users through
                     hybrid auth.  system means to use the Unix user database.
                     This is the default.  radius means to use a RADIUS
                     server.  It works only if racoon(8) was built with
                     libradius support, and the configuration is done in
                     radius.conf(5).  pam means to use PAM.  It works only if
                     racoon(8) was built with libpam support.
             conf_source (local | radius);
                     Specify the source for IP addresses and netmask allocated
                     through ISAKMP mode config.  local means to use the local
                     IP pool defined by the network4 and pool_size keywords.
                     This is the default.  radius means to use a RADIUS
                     server.  It works only if racoon(8) was built with
                     libradius support, and the configuration is done in
                     radius.conf(5).  RADIUS configuration requires RADIUS
                     authentication.
             accounting (none | radius | pam);
                     Enable or disable accounting for Xauth logins and
                     logouts.  Default is none, which disable accounting.
                     radius enable RADIUS accounting.  It works only if
                     racoon(8) was built with libradius support, and the
                     configuration is done in radius.conf(5).  RADIUS
                     accounting require RADIUS authentication.  pam enable PAM
                     accounting.  It works only if racoon(8) was built with
                     libpam support.  PAM accounting requires PAM
                     authentication.
             pool_size size
                     Specify the size of the IP address pool, either local or
                     allocated through RADIUS.  conf_source selects the local
                     pool or the RADIUS configuration, but in both
                     configurations, you cannot have more than size users
                     connected at the same time.  The default is 255.
             network4 address;
             netmask4 address;
                     The local IP pool base address and network mask from
                     which dynamically allocated IPv4 addresses should be
                     taken.  This is used if conf_source is set to local or if
                     the RADIUS server returned 255.255.255.254.  Default is
                     0.0.0.0/0.0.0.0.
             dns4 address;
                     The IPv4 address for a DNS server.
             nbns4 address;
                     The IPv4 address for a WINS server.
             banner path;
                     The path of a file displayed on the client at connection
                     time.  Default is /etc/motd.
             auth_throttle delay;
                     On each failed Xauth authentication attempt, refuse new
                     attempts for delay more seconds.  This is to avoid
                     dictionary attacks on Xauth passwords.  Default is one
                     second.  Set to zero to disable authentication delay.
             pfs_group group;
                     Sets the PFS group used in the client proposal (Cisco VPN
                     client only).  Default is 0.
             save_passwd (on | off);
                     Allow the client to save the Xauth password (Cisco VPN
                     client only).  Default is off.

   Special directives
     complex_bundle (on | off);
             defines the interpretation of proposal in the case of SA bundle.
             Normally “IP AH ESP IP payload” is proposed as “AH tunnel and ESP
             tunnel”.  The interpretation is more common to other IKE
             implementations, however, it allows very limited set of
             combinations for proposals.  With the option enabled, it will be
             proposed as “AH transport and ESP tunnel”.  The default value is
             off.

   Pre-shared key File
     The pre-shared key file defines pairs of identifiers and corresponding
     shared secret keys which are used in the pre-shared key authentication
     method in phase 1.  The pair in each line is separated by some number of
     blanks and/or tab characters like in the hosts(5) file.  Key can include
     blanks because everything after the first blanks is interpreted as the
     secret key.  Lines starting with ‘#’ are ignored.  Keys which start with
     ‘0x’ are interpreted as hexadecimal strings.  Note that the file must be
     owned by the user ID running racoon(8) (usually the privileged user), and
     must not be accessible by others.

EXAMPLES

     The following shows how the remote directive should be configured.

     path pre_shared_key "/etc/racoon/psk.txt" ;
     remote anonymous
     {
             exchange_mode aggressive,main,base;
             lifetime time 24 hour;
             proposal {
                     encryption_algorithm 3des;
                     hash_algorithm sha1;
                     authentication_method pre_shared_key;
                     dh_group 2;
             }
     }

     sainfo anonymous
     {
             pfs_group 2;
             lifetime time 12 hour ;
             encryption_algorithm 3des, blowfish 448, twofish, rijndael ;
             authentication_algorithm hmac_sha1, hmac_md5 ;
             compression_algorithm deflate ;
     }

     The following is a sample for the pre-shared key file.

     10.160.94.3     mekmitasdigoat
     172.16.1.133    0x12345678
     194.100.55.1    whatcertificatereally
     3ffe:501:410:ffff:200:86ff:fe05:80fa    mekmitasdigoat
     3ffe:501:410:ffff:210:4bff:fea2:8baa    mekmitasdigoat
     foo@kame.net    mekmitasdigoat
     foo.kame.net    hoge

SEE ALSO

     racoon(8), racoonctl(8), setkey(8)

HISTORY

     The racoon.conf configuration file first appeared in the “YIPS” Yokogawa
     IPsec implementation.

BUGS

     Some statements may not be handled by racoon(8) yet.

     Diffie-Hellman computation can take a very long time, and may cause
     unwanted timeouts, specifically when a large D-H group is used.

SECURITY CONSIDERATIONS

     The use of IKE phase 1 aggressive mode is not recommended, as described
     in http://www.kb.cert.org/vuls/id/886601.