# TCP and UDP port number
tcp-port = 999
#udp-port = 1999

# Accept connections using a socket file. It accepts HTTP
# connections (i.e., without SSL/TLS unlike its TCP counterpart),
# and uses it as the primary channel. That option cannot be
# combined with certificate authentication.
#listen-clear-file = /var/run/ocserv-conn.socket

# The user the worker processes will be run as. It should be
# unique (no other services run as this user).
run-as-user = nobody
run-as-group = nogroup

# socket file used for IPC with occtl. You only need to set that,
# if you use more than a single servers.
#occtl-socket-file = /var/run/occtl.socket

# socket file used for server IPC (worker-main), will be appended with .PID
# It must be accessible within the chroot environment (if any), so it is best
# specified relatively to the chroot directory.
socket-file = /var/run/ocserv-socket

# The default server directory. Does not require any devices present.
#chroot-dir = /path/to/chroot


### All configuration options below this line are reloaded on a SIGHUP.
### The options above, will remain unchanged.

# Whether to enable seccomp/Linux namespaces worker isolation. That restricts the number of
# system calls allowed to a worker process, in order to reduce damage from a
# bug in the worker process. It is available on Linux systems at a performance cost.
# The performance cost is roughly 2% overhead at transfer time (tested on a Linux 3.17.8).
isolate-workers = false

# A banner to be displayed on clients
#banner = "Welcome"

# Limit the number of clients. Unset or set to zero for unlimited.
#max-clients = 1024
max-clients = 160

# Limit the number of identical clients (i.e., users connecting
# multiple times). Unset or set to zero for unlimited.
max-same-clients = 0

# When the server has a dynamic DNS address (that may change),
# should set that to true to ask the client to resolve again on
# reconnects.
#listen-host-is-dyndns = true

# 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

# Stats report time. The number of seconds after which each
# worker process will report its usage statistics (number of
# bytes transferred etc). This is useful when accounting like
# radius is in use.
#stats-report-time = 360

# Keepalive in seconds
keepalive = 32400

# Dead peer detection in seconds.
# Note that when the client is behind a NAT this value
# needs to be short enough to prevent the NAT disassociating
# his UDP session from the port number. Otherwise the client
# could have his UDP connection stalled, for several minutes.
dpd = 120

# Dead peer detection for mobile clients. That needs to
# be higher to prevent such clients being awaken too
# often by the DPD messages, and save battery.
# The mobile clients are distinguished from the header
# 'X-AnyConnect-Identifier-DeviceType'.
mobile-dpd = 1200

# MTU discovery (DPD must be enabled)
try-mtu-discovery = true

# 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)
#
# The server-cert file may contain a single certificate, or
# a sorted certificate chain.
#
# There may be multiple server-cert and server-key directives,
# but each key should correspond to the preceding certificate.
server-cert = /etc/ocserv/server-cert.pem
server-key = /etc/ocserv/server-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 = /etc/ocserv/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 = /etc/ocserv/ca-cert.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 = 2.5.4.3

# 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.
# See the manual to generate an empty CRL initially.
crl = /etc/ocserv/crl.pem

# Uncomment this to enable compression negotiation (LZS, LZ4).
# compression = true

# Set the minimum size under which a packet will not be compressed.
# That is to allow low-latency for VoIP packets. The default size
# is 256 bytes. Modify it if the clients typically use compression
# as well of VoIP with codecs that exceed the default value.
#no-compress-limit = 256

# GnuTLS priority string; note that SSL 3.0 is disabled by default
# as there are no openconnect (and possibly anyconnect clients) using
# that protocol. The string below does not enforce perfect forward
# secrecy, in order to be compatible with legacy clients.
#
# Note that the most performant ciphersuites are the moment are the ones
# involving AES-GCM. These are very fast in x86 and x86-64 hardware, and
# in addition require no padding, thus taking full advantage of the MTU.
# For that to be taken advantage of, the openconnect client must be
# used, and the server must be compiled against GnuTLS 3.2.7 or later.
# Use "gnutls-cli --benchmark-tls-ciphers", to see the performance
# difference with AES_128_CBC_SHA1 (the default for anyconnect clients)
# in your system.

tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT:-VERS-SSL3.0"

# More combinations in priority strings are available, check
# http://gnutls.org/manual/html_node/Priority-Strings.html
# E.g., the string below enforces perfect forward secrecy (PFS)
# on the main channel.
#tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT:-RSA:-VERS-SSL3.0:-ARCFOUR-128"

# 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 = 300

# Banning clients in ocserv works with a point system. IP addresses
# that get a score over that configured number are banned for
# min-reauth-time seconds. By default a wrong password attempt is 10 points,
# a KKDCP POST is 1 point, and a connection is 1 point. Note that
# due to difference processes being involved the count of points
# will not be real-time precise.
#
# Score banning cannot be reliably used when receiving proxied connections
# locally from an HTTP server (i.e., when listen-clear-file is used).
#
# Set to zero to disable.
#max-ban-score = 50

# The time (in seconds) that all score kept for a client is reset.
#ban-reset-time = 300

# In case you'd like to change the default points.
#ban-points-wrong-password = 10
#ban-points-connection = 1
#ban-points-kkdcp = 1

# Cookie timeout (in seconds)
# Once a client is authenticated he's provided a cookie with
# which he can reconnect. That cookie will be invalided if not
# used within this timeout value. On a user disconnection, that
# cookie will also be active for this time amount prior to be
# invalid. That should allow a reasonable amount of time for roaming
# between different networks.
cookie-timeout = 86400

# Whether roaming is allowed, i.e., if true a cookie is
# restricted to a single IP address and cannot be re-used
# from a different IP.
deny-roaming = false

# 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.
# The following 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),
# IPV6_LOCAL (the IPv6 local address if there are both IPv4 and IPv6
# assigned), IPV6_REMOVE (the IPv6 remote address), and
# ID (a unique numeric ID); REASON may be "connect" or "disconnect".