# User authentication method. Could be set multiple times and in that case # all should succeed. # Options: certificate, pam. #auth = "certificate" #auth = "pam" # The plain option requires specifying a password file which contains # entries of the following format. # "username:groupname:encoded-password" # One entry must be listed per line, and 'ocpasswd' can be used # to generate password entries. auth = "plain[passwd=/usr/local/etc/ocserv/passwd]" # A banner to be displayed on clients banner = "Welcome to OpenConnect VPN" # 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 = 8 # 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 # Dead peer detection in seconds. dpd = 120 # Dead peer detection for mobile clients. The needs to # be much higher to prevent such clients being awaken too # often by the DPD messages, and save battery. # (clients that send the X-AnyConnect-Identifier-DeviceType) #mobile-dpd = 1800 # 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 = /usr/local/etc/ocserv/pub.pem server-key = /usr/local/etc/ocserv/key.pem # 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, and is 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 # client certificates (public keys) if certificate authentication # is set. #ca-cert = /usr/local/etc/ocserv/ca.pem # 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 # The revocation list of the certificates issued by the 'ca-cert' above. #crl = /usr/local/etc/ocserv/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 allowed to stay idle (no traffic) # before being disconnected. Unset to disable. #idle-timeout = 1200 # The time (in seconds) that a mobile client is allowed to stay idle (no # traffic) before being disconnected. Unset to disable. #mobile-idle-timeout = 2400 # 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 = 86400 # ReKey time (in seconds) # ocserv will ask the client to refresh keys periodically once # this amount of seconds is elapsed. Set to zero to disable. rekey-time = 172800 # ReKey method # Valid options: ssl, new-tunnel # ssl: Will perform an efficient rehandshake on the channel allowing # a seamless connection during rekey. # new-tunnel: Will instruct the client to discard and re-establish the channel. # Use this option only if the connecting clients have issues with the ssl # option. rekey-method = ssl # 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), # ID (a unique numeric ID); REASON may be "connect" or "disconnect". #connect-script = /scripts/ocserv-script #disconnect-script = /scripts/ocserv-script # UTMP use-utmp = false # OCCTL use-occtl = true # PID file. It can be overriden in the command line. pid-file = /var/run/ocserv/pid # The default server directory. Does not require any devices present. chroot-dir = /var/run/ocserv # socket file used for IPC, will be appended with .PID # It must be accessible within the chroot environment (if any) socket-file = socket # 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 # # The name of the tun device device = vpns # The default domain to be advertised default-domain = example.com # The pool of addresses that leases will be given from. ipv4-network = 192.168.1.0 ipv4-netmask = 255.255.255.0 # The advertized DNS server. Use multiple lines for # multiple servers. # dns = fc00::4be0 dns = 192.168.1.2 # The NBNS server (if any) #nbns = 192.168.1.3 # The IPv6 subnet that leases will be given from. #ipv6-network = fc00:: #ipv6-prefix = 16 # The domains over which the provided DNS should be used. Use # multiple lines for multiple domains. #split-dns = example.com # 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 # Unset 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 = 40000 #tx-data-per-sec = 40000 # 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 = 10 # Routes to be forwarded to the client. If you need the # client to forward routes to the server, you may use the # config-per-user/group or even connect and disconnect scripts. # # To set the server as the default gateway for the client just # comment out all routes from the server. route = 192.168.1.0/255.255.255.0 route = 192.168.5.0/255.255.255.0 #route = fef4:db8:1000:1001::/64 # 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, rx/tx-per-sec, iroute, route, # net-priority and cgroup. # # 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 = /usr/local/etc/ocserv/config-per-user/ #config-per-group = /usr/local/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 #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. # It is not used by the openconnect client. #user-profile = profile.xml # Binary files that may be downloaded by the CISCO client. Must # be within any chroot environment. #binary-files = /path/to/binaries # Unless set to false it is required for clients to present their # certificate even if they are authenticating via a previously granted # cookie and complete their authentication in the same TCP connection. # Legacy CISCO clients do not do that, and thus this option should be # set for them. cisco-client-compat = true #Advanced options # Option to allow sending arbitrary custom headers to the client after # authentication and prior to VPN tunnel establishment. #custom-header = "X-My-Header: hi there"