| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377 | # Options for the charon IKE daemon.charon {    # Accept unencrypted ID and HASH payloads in IKEv1 Main Mode.    # accept_unencrypted_mainmode_messages = no    # Maximum number of half-open IKE_SAs for a single peer IP.    # block_threshold = 5    # Whether Certificate Revocation Lists (CRLs) fetched via HTTP or LDAP    # should be saved under a unique file name derived from the public key of    # the Certification Authority (CA) to /etc/ipsec.d/crls (stroke) or    # /etc/swanctl/x509crl (vici), respectively.    # cache_crls = no    # Whether relations in validated certificate chains should be cached in    # memory.    # cert_cache = yes    # Send Cisco Unity vendor ID payload (IKEv1 only).    # cisco_unity = no    # Close the IKE_SA if setup of the CHILD_SA along with IKE_AUTH failed.    # close_ike_on_child_failure = no    # Number of half-open IKE_SAs that activate the cookie mechanism.    # cookie_threshold = 10    # Delete CHILD_SAs right after they got successfully rekeyed (IKEv1 only).    # delete_rekeyed = no    # Delay in seconds until inbound IPsec SAs are deleted after rekeyings    # (IKEv2 only).    # delete_rekeyed_delay = 5    # Use ANSI X9.42 DH exponent size or optimum size matched to cryptographic    # strength.    # dh_exponent_ansi_x9_42 = yes    # Use RTLD_NOW with dlopen when loading plugins and IMV/IMCs to reveal    # missing symbols immediately.    # dlopen_use_rtld_now = no    # DNS server assigned to peer via configuration payload (CP).    # dns1 =    # DNS server assigned to peer via configuration payload (CP).    # dns2 =    # Enable Denial of Service protection using cookies and aggressiveness    # checks.    # dos_protection = yes    # Compliance with the errata for RFC 4753.    # ecp_x_coordinate_only = yes    # Free objects during authentication (might conflict with plugins).    # flush_auth_cfg = no    # Whether to follow IKEv2 redirects (RFC 5685).    # follow_redirects = yes    # Maximum size (complete IP datagram size in bytes) of a sent IKE fragment    # when using proprietary IKEv1 or standardized IKEv2 fragmentation, defaults    # to 1280 (use 0 for address family specific default values, which uses a    # lower value for IPv4).  If specified this limit is used for both IPv4 and    # IPv6.    # fragment_size = 1280    # Name of the group the daemon changes to after startup.    # group =    # Timeout in seconds for connecting IKE_SAs (also see IKE_SA_INIT DROPPING).    # half_open_timeout = 30    # Enable hash and URL support.    # hash_and_url = no    # Allow IKEv1 Aggressive Mode with pre-shared keys as responder.    # i_dont_care_about_security_and_use_aggressive_mode_psk = no    # Whether to ignore the traffic selectors from the kernel's acquire events    # for IKEv2 connections (they are not used for IKEv1).    # ignore_acquire_ts = no    # A space-separated list of routing tables to be excluded from route    # lookups.    # ignore_routing_tables =    # Maximum number of IKE_SAs that can be established at the same time before    # new connection attempts are blocked.    # ikesa_limit = 0    # Number of exclusively locked segments in the hash table.    # ikesa_table_segments = 1    # Size of the IKE_SA hash table.    # ikesa_table_size = 1    # Whether to close IKE_SA if the only CHILD_SA closed due to inactivity.    # inactivity_close_ike = no    # Limit new connections based on the current number of half open IKE_SAs,    # see IKE_SA_INIT DROPPING in strongswan.conf(5).    # init_limit_half_open = 0    # Limit new connections based on the number of queued jobs.    # init_limit_job_load = 0    # Causes charon daemon to ignore IKE initiation requests.    # initiator_only = no    # Install routes into a separate routing table for established IPsec    # tunnels.    # install_routes = yes    # Install virtual IP addresses.    # install_virtual_ip = yes    # The name of the interface on which virtual IP addresses should be    # installed.    # install_virtual_ip_on =    # Check daemon, libstrongswan and plugin integrity at startup.    # integrity_test = no    # A comma-separated list of network interfaces that should be ignored, if    # interfaces_use is specified this option has no effect.    # interfaces_ignore =    # A comma-separated list of network interfaces that should be used by    # charon. All other interfaces are ignored.    # interfaces_use =    # NAT keep alive interval.    # keep_alive = 20s    # Plugins to load in the IKE daemon charon.    # load =    # Determine plugins to load via each plugin's load option.    # load_modular = no    # Initiate IKEv2 reauthentication with a make-before-break scheme.    # make_before_break = no    # Maximum number of IKEv1 phase 2 exchanges per IKE_SA to keep state about    # and track concurrently.    # max_ikev1_exchanges = 3    # Maximum packet size accepted by charon.    # max_packet = 10000    # Enable multiple authentication exchanges (RFC 4739).    # multiple_authentication = yes    # WINS servers assigned to peer via configuration payload (CP).    # nbns1 =    # WINS servers assigned to peer via configuration payload (CP).    # nbns2 =    # UDP port used locally. If set to 0 a random port will be allocated.    # port = 500    # UDP port used locally in case of NAT-T. If set to 0 a random port will be    # allocated.  Has to be different from charon.port, otherwise a random port    # will be allocated.    # port_nat_t = 4500    # Whether to prefer updating SAs to the path with the best route.    # prefer_best_path = no    # Prefer locally configured proposals for IKE/IPsec over supplied ones as    # responder (disabling this can avoid keying retries due to    # INVALID_KE_PAYLOAD notifies).    # prefer_configured_proposals = yes    # By default public IPv6 addresses are preferred over temporary ones (RFC    # 4941), to make connections more stable. Enable this option to reverse    # this.    # prefer_temporary_addrs = no    # Process RTM_NEWROUTE and RTM_DELROUTE events.    # process_route = yes    # How RDNs in subject DNs of certificates are matched against configured    # identities (strict, reordered, or relaxed).    # rdn_matching = strict    # Delay in ms for receiving packets, to simulate larger RTT.    # receive_delay = 0    # Delay request messages.    # receive_delay_request = yes    # Delay response messages.    # receive_delay_response = yes    # Specific IKEv2 message type to delay, 0 for any.    # receive_delay_type = 0    # Size of the AH/ESP replay window, in packets.    # replay_window = 32    # Base to use for calculating exponential back off, see IKEv2 RETRANSMISSION    # in strongswan.conf(5).    # retransmit_base = 1.8    # Maximum jitter in percent to apply randomly to calculated retransmission    # timeout (0 to disable).    # retransmit_jitter = 0    # Upper limit in seconds for calculated retransmission timeout (0 to    # disable).    # retransmit_limit = 0    # Timeout in seconds before sending first retransmit.    # retransmit_timeout = 4.0    # Number of times to retransmit a packet before giving up.    # retransmit_tries = 5    # Interval in seconds to use when retrying to initiate an IKE_SA (e.g. if    # DNS resolution failed), 0 to disable retries.    # retry_initiate_interval = 0    # Initiate CHILD_SA within existing IKE_SAs (always enabled for IKEv1).    # reuse_ikesa = yes    # Numerical routing table to install routes to.    # routing_table =    # Priority of the routing table.    # routing_table_prio =    # Whether to use RSA with PSS padding instead of PKCS#1 padding by default.    # rsa_pss = no    # Delay in ms for sending packets, to simulate larger RTT.    # send_delay = 0    # Delay request messages.    # send_delay_request = yes    # Delay response messages.    # send_delay_response = yes    # Specific IKEv2 message type to delay, 0 for any.    # send_delay_type = 0    # Send strongSwan vendor ID payload    # send_vendor_id = no    # Whether to enable Signature Authentication as per RFC 7427.    # signature_authentication = yes    # Whether to enable constraints against IKEv2 signature schemes.    # signature_authentication_constraints = yes    # Value mixed into the local IKE SPIs after applying spi_mask.    # spi_label = 0x0000000000000000    # Mask applied to local IKE SPIs before mixing in spi_label (bits set will    # be replaced with spi_label).    # spi_mask = 0x0000000000000000    # The upper limit for SPIs requested from the kernel for IPsec SAs.    # spi_max = 0xcfffffff    # The lower limit for SPIs requested from the kernel for IPsec SAs.    # spi_min = 0xc0000000    # Number of worker threads in charon.    # threads = 16    # Name of the user the daemon changes to after startup.    # user =    crypto_test {        # Benchmark crypto algorithms and order them by efficiency.        # bench = no        # Buffer size used for crypto benchmark.        # bench_size = 1024        # Time in ms during which crypto algorithm performance is measured.        # bench_time = 50        # Test crypto algorithms during registration (requires test vectors        # provided by the test-vectors plugin).        # on_add = no        # Test crypto algorithms on each crypto primitive instantiation.        # on_create = no        # Strictly require at least one test vector to enable an algorithm.        # required = no        # Whether to test RNG with TRUE quality; requires a lot of entropy.        # rng_true = no    }    host_resolver {        # Maximum number of concurrent resolver threads (they are terminated if        # unused).        # max_threads = 3        # Minimum number of resolver threads to keep around.        # min_threads = 0    }    leak_detective {        # Includes source file names and line numbers in leak detective output.        # detailed = yes        # Threshold in bytes for leaks to be reported (0 to report all).        # usage_threshold = 10240        # Threshold in number of allocations for leaks to be reported (0 to        # report all).        # usage_threshold_count = 0    }    processor {        # Section to configure the number of reserved threads per priority class        # see JOB PRIORITY MANAGEMENT in strongswan.conf(5).        priority_threads {        }    }    # Section containing a list of scripts (name = path) that are executed when    # the daemon is started.    start-scripts {    }    # Section containing a list of scripts (name = path) that are executed when    # the daemon is terminated.    stop-scripts {    }    tls {        # List of TLS encryption ciphers.        # cipher =        # List of TLS key exchange methods.        # key_exchange =        # List of TLS MAC algorithms.        # mac =        # List of TLS cipher suites.        # suites =    }    x509 {        # Discard certificates with unsupported or unknown critical extensions.        # enforce_critical = yes    }}
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