# User authentication method. Could be set multiple times and in that case # all should succeed. # Options: certificate, pam. #auth = "certificate" #auth = "plain[./sample.passwd]" auth = "pam" # A banner to be displayed on clients #banner = "Welcome" # Use listen-host to limit to specific IPs or to the IPs of a provided hostname. #listen-host = [IP|HOSTNAME] # Limit the number of clients. Unset or set to zero for unlimited. #max-clients = 1024 max-clients = 16 # Limit the number of client connections to one every X milliseconds # (X is the provided value). Set to zero for no limit. #rate-limit-ms = 100 # Limit the number of identical clients (i.e., users connecting multiple times) # Unset or set to zero for unlimited. max-same-clients = 2 # TCP and UDP port number tcp-port = 4443 udp-port = 4443 # Keepalive in seconds keepalive = 32400 # Rekey time in seconds rekey-time 172800 # Dead peer detection in seconds dpd = 60 # MTU discovery (DPD must be enabled) try-mtu-discovery = false # The key and the certificates of the server # The key may be a file, or any URL supported by GnuTLS (e.g., # tpmkey:uuid=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx;storage=user # or pkcs11:object=my-vpn-key;object-type=private) # # There may be multiple certificate and key pairs and each key # should correspond to the preceding certificate. server-cert = /etc/pki/ocserv/public/server.crt server-key = /etc/pki/ocserv/private/server.key # Diffie-Hellman parameters. Only needed if you require support # for the DHE ciphersuites (by default this server supports ECDHE). # Can be generated using: # certtool --generate-dh-params --outfile /path/to/dh.pem #dh-params = /path/to/dh.pem # If you have a certificate from a CA that provides an OCSP # service you may provide a fresh OCSP status response within # the TLS handshake. That will prevent the client from connecting # independently on the OCSP server. # You can update this response periodically using: # ocsptool --ask --load-cert=your_cert --load-issuer=your_ca --outfile response # Make sure that you replace the following file in an atomic way. #ocsp-response = /path/to/ocsp.der # In case PKCS #11 or TPM keys are used the PINs should be available # in files. The srk-pin-file is applicable to TPM keys only (It's the storage # root key). #pin-file = /path/to/pin.txt #srk-pin-file = /path/to/srkpin.txt # The Certificate Authority that will be used # to verify clients if certificate authentication # is set. ca-cert = /etc/pki/ocserv/cacerts/ca.crt # The object identifier that will be used to read the user ID in the client certificate. # The object identifier should be part of the certificate's DN # Useful OIDs are: # CN = 2.5.4.3, UID = 0.9.2342.19200300.100.1.1 #cert-user-oid = 0.9.2342.19200300.100.1.1 # The object identifier that will be used to read the user group in the client # certificate. The object identifier should be part of the certificate's DN # Useful OIDs are: # OU (organizational unit) = 2.5.4.11 #cert-group-oid = 2.5.4.11 # A revocation list of ca-cert is set #crl = /path/to/crl.pem # GnuTLS priority string tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT" # To enforce perfect forward secrecy (PFS) on the main channel. #tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT:-RSA" # The time (in seconds) that a client is allowed to stay connected prior # to authentication auth-timeout = 40 # The time (in seconds) that a client is not allowed to reconnect after # a failed authentication attempt. min-reauth-time = 2 # Cookie validity time (in seconds) # Once a client is authenticated he's provided a cookie with # which he can reconnect. This option sets the maximum lifetime # of that cookie. cookie-validity = 172800 # Script to call when a client connects and obtains an IP # Parameters are passed on the environment. # REASON, USERNAME, GROUPNAME, HOSTNAME (the hostname selected by client), # DEVICE, IP_REAL (the real IP of the client), IP_LOCAL (the local IP # in the P-t-P connection), IP_REMOTE (the VPN IP of the client). REASON # may be "connect" or "disconnect". #connect-script = /usr/bin/myscript #disconnect-script = /usr/bin/myscript # D-BUS usage. If disabled occtl tool cannot be used. If enabled # then ocserv must have access to register org.infradead.ocserv # D-BUS service. See doc/dbus/org.infradead.ocserv.conf use-dbus = true # UTMP use-utmp = true # PID file #pid-file = /var/run/ocserv.pid # The default server directory. Does not require any devices present. chroot-dir = /var/lib/ocserv/ # socket file used for IPC, will be appended with .PID # It must be accessible within the chroot environment (if any) socket-file = ocserv.sock # The user the worker processes will be run as. It should be # unique (no other services run as this user). run-as-user = ocserv run-as-group = ocserv # Set the protocol-defined priority (SO_PRIORITY) for packets to # be sent. That is a number from 0 to 6 with 0 being the lowest # priority. Alternatively this can be used to set the IP Type- # Of-Service, by setting it to a hexadecimal number (e.g., 0x20). # This can be set per user/group or globally. #net-priority = 3 # Set the VPN worker process into a specific cgroup. This is Linux # specific and can be set per user/group or globally. #cgroup = "cpuset,cpu:test" # Network settings device = vpns # The default domain to be advertised #default-domain = example.com #ipv4-network = 192.168.1.0 #ipv4-netmask = 255.255.255.0 #dns = 192.168.2.1 # The NBNS server (if any) #nbns = 192.168.2.3 # The IPv6 subnet #ipv6-network = #ipv6-prefix = #dns = # Prior to leasing any IP from the pool ping it to verify that # it is not in use by another (unrelated to this server) host. ping-leases = false # Leave empty to assign the default MTU of the device # mtu = # Unset to enable bandwidth restrictions (in bytes/sec). The # setting here is global, but can also be set per user or per group. #rx-data-per-sec = 40960 #tx-data-per-sec = 40960 # The number of packets (of MTU size) that are available in # the output buffer. The default is low to improve latency. # Setting it higher will improve throughput. output-buffer = 100 #route = 192.168.1.0/255.255.255.0 #route = 192.168.5.0/255.255.255.0 # Configuration files that will be applied per user connection or # per group. Each file name on these directories must match the username # or the groupname. # The options allowed in the configuration files are dns, nbns, # ipv?-network, ipv4-netmask, ipv6-prefix, iroute and route. # # Note that the 'iroute' option allows to add routes on the server # based on a user or group. The syntax depends on the input accepted # by the commands route-add-cmd and route-del-cmd (see below). #config-per-user = /etc/ocserv/config-per-user/ #config-per-group = /etc/ocserv/config-per-group/ # The system command to use to setup a route. %R will be replaced with the # route/mask and %D with the (tun) device. # # The following example is from linux systems. %R should be something # like 192.168.2.0/24 (so iroute in this system has different syntax than route) route-add-cmd = "ip route add %R dev %D" route-del-cmd = "ip route delete %R dev %D" # # The following options are for (experimental) AnyConnect client # compatibility. # Client profile xml. A sample file exists in doc/profile.xml. # This file must be accessible from inside the worker's chroot. # The profile is ignored by the openconnect client. user-profile = profile.xml # Unless set to false it is required for clients to present their # certificate even if they are authenticating via a previously granted # cookie. Legacy CISCO clients do not do that, and thus this option # should be set for them. cisco-client-compat = true