#
# silcd.conf
#
# Example configuration file.  Note that this attempts to present various
# configuration possibilities and may not actually give any sensible
# configuration.  For real life example see the examples/ directory.
#
# Most of the settings in this file are optional.  If some setting is
# mandatory it is mentioned separately.  If some setting is omitted it means
# that its builtin default value will be used.  Boolean values, that is
# setting something on or off, is done by setting either "true" or "false"
# value, respectively.
#
# The ServerInfo section is mandatory section.  Other sections are optional.
# However, if General section is defined it must be defined before the
# ConnectionParams sections.  On the other hand, the ConnectionParams section
# must be defined before Client, ServerConnection or RouterConnection
# sections.  Other sections can be in free order.
#

#
# Include global algorithms from the "silcalgs.conf" file.  This file defines
# ciphers, hash functions, HMACs and PKCS algorithms that can be used.
#
Include "/etc/silcalgs.conf";

#
# General configuration options
#
# These defines the default behaviour of the server.  Most of these values
# can be overridden with ConnectionParams, which can be defined independently
# for different connections.
#
General {
	# This is the default path where to search modules.  If omitted
	# built-in modules will be used.  Built-in modules will also be
	# used if a module file cannot be located.
	module_path = "/usr/local/modules";

	# If both passphrase and public key authentication is set for a
	# connection the public key authentication is the preferred one
	# to use.  Set this to `true' to prefer passphrase authentication
	# over public key authentication in these cases.
	#prefer_passphrase_auth = true;

	# Set this to true if the server should require fully qualified
	# domain names (FQDN) for incoming connections.  If true, a host
	# without FQDN cannot connect to the server.
	#require_reverse_lookup = true;

	# Maximum number of incoming connections allowed to this server.
	# If more attempt to connect they will be refused.
	connections_max = 1000;

	# Maximum number of incoming connections allowed per single host.
	# For example, if this is one (1) it means a host can link only
	# once to the server.  Attempting to connect more than once would
	# be refused.  This can be overridden with ConnectionParams.
	#connections_max_per_host = 10;

	# Required version of the remote side.  If these are specified then
	# the remote must be of at least this version, or newer.  If older
	# then the connection will not be allowed.
	#
	# version_protocol         - SILC protocol version ("major.minor")
	# version_software         - software version ("major.minor")
	# version_software_vendor  - vendor specific version extension
	#
	# The version_software_vendor may be for example a string or a build
	# number of the software.  The string can be a regex string to match
	# more widely.  Usually the vendor version checking is not necessary
	# and can be omitted.  These can be overridden with ConnectionParams.
	#version_protocol = "1.1";
	#version_software = "1.3";
	#version_software_vendor = "SomeVendor";

	# Default keepalive frequency (seconds).  This can be overridden with
	# with ConnectionParams.
	keepalive_secs = 300;

	# Default reconnection parameters defines how the server reconnect
	# to the remote if the connection was lost.  The reconnection phase
	# use so called exponential backoff algorithm;  The reconnect
	# interval grows when reconnect count grows.  Next example will
	# attempt to reconnect after 10 seconds of disconnect, and the
	# interval grows up to 600 seconds or until 7 times was attempted
	# to reconnect.  These settings has effect only when connecting
	# as initiator.
	#
	# reconnect_count        - how many times reconnect is attempted
	# reconnect_interval	 - how often reconnect it performed (seconds)
	# reconnect_interval_max - maximum interval for reconnect, the
	#                          server never waits longer than this to
	#                          reconnect (seconds).
	# reconnect_keep_trying  - whether to keep trying even after
	#                          reconnect_count is reached (the interval
	#                          will be reconnect_interval_max).
	#
	# These can be overridden with ConnectionParams.
	reconnect_count = 7;
	reconnect_interval = 10;
	reconnect_interval_max = 600;
	reconnect_keep_trying = true;

	# Key exchange protocol rekey interval (seconds).  How often to
	# regenerate the session key with the remote.  Initiator will perform
	# the rekey and this setting affects only when connecting as initiator.
	# This can be overridden with ConnectionParams.
	#key_exchange_rekey = 3600;

	# Key exchange with Perfect Forward Secrecy (PFS).  This will perform
	# the rekey process with PFS, making the new key more secure since it
	# is not dependent in any way of the old key.  This will make the rekey
	# process somewhat slower, than without PFS.  This can be overridden
	# with ConnectionParams.
	#key_exchange_pfs = true;

	# Key exchange timeout (seconds).  If the key exchange protocol is not
	# finished in this time period the remote connection will be closed.
	#key_exchange_timeout = 60;

	# Connection authentication timeout (seconds).  If the connection
	# authentication protocol is not finished in this time period the
	# remote connection will be closed.
	#conn_auth_timeout = 60;

	# Channel key rekey interval (seconds).  How often channel key is
	# regenerated.  Note that channel key is regenerated also always when
	# someone joins or leaves the channel.
	#channel_rekey_secs = 3600;

	# SILC session detachment disabling and limiting.  By default clients
	# can detach their sessions from server.  If you set detach_disabled
	# to true the DETACH command cannot be used by clients.  If you want
	# to limit for how long the server keeps detached sessions you can
	# set the time (minutes) in detach_timeout.  After that timeout the
	# detached session is closed if it is not resumed.  By default
	# sessions are persistent as long as server is running.
	#detach_disabled = true;
	#detach_timeout = 1440;

	# Quality of Service (QoS) settings.  The QoS can be used to handle
	# the incoming data and limit its handling rate to avoid flooding.
	# By default QoS is disabled and can be enabled by setting "qos" to
	# true value.  The "qos_rate_limit" is the data reads per second,
	# and if more frequently is read due to for example data flooding,
	# QoS is applied to the data.  The "qos_bytes_limit" is maximum bytes
	# allowed for incoming data.  If more is received at once the QoS
	# is applied to the data.  The "qos_limit_sec" and "qos_limit_usec"
	# is the timeout used to delay the data handling, seconds and
	# microseconds, respectively.  NOTE: If you enable QoS in General
	# section it applies to server connections as well.  Server
	# connections SHOULD NOT use QoS.  This can be overridden with
	# ConnectionParams.
	#qos = true;
	#qos_rate_limit = 10;
	#qos_bytes_limit = 2048;
	#qos_limit_sec = 0;
	#qos_limit_usec = 500000;

	# Debug string.  Debug string can be set to print debugging from
	# the running server.  The debug is redirected to stderr.
	# debug_string = "";
};

#
# Server information
#
ServerInfo {
	#
	# Server name (FQDN)
	#
	hostname = "lassi.kuo.fi.ssh.com";

	#
	# Primary listener.  Specify the IP address and the port to bind
	# the server.
	#
	Primary {
		ip = "10.2.1.6";
		port = 706;
	};

	#
	# Secondary listener(s).  If you need to bind your server into
	# several interfaces use the Secondary to specify the listener(s).
	#
	#Secondary { ip = "10.2.1.60"; port = 706; };
	#Secondary { ip = "10.2.1.160"; port = 706; };

	#
	# ServerType field specifies the purpose of this server
	# This is only a descriptive field.
	#
	ServerType = "Test Server";

	#
	# Geographic location
	#
	Location = "Kuopio, Finland";

	#
	# Full admin name
	#
	Admin = "Foo T. Bar";

	#
	# Admin's email address
	#
	AdminEmail = "foo-admin@bar.com";

	#
	# Run SILC server as specific user and group.  The server must be
	# initially run as root.
	#
	User = "nobody";
	Group = "nobody";

	#
	# Public and private keys
	#
	PublicKey = "/etc/silcd.pub";
	PrivateKey = "/etc/silcd.prv";

	#
	# Motd file
	#
	# Specifies the text file displayed on client connection
	#
	#MotdFile = "/etc/motd.txt";

	#
	# Pid file
	#
	PidFile = "/usr/local/var/silcd.pid";
};

#
# Log files.
#
# This section is used to set various logging files, their paths, maximum
# sizes and logging options.
#
# There are only four defined channels allowed for defining (see below).
# The log channels have an importance value, and most important channels
# are redirected on the less important ones, thus setting a valid logging
# file for "Info" will ensure logging for all channels, while setting
# logging file for "Errors" will ensure logging for channels "Errors"
# and "Fatals".  If only, for example, "Info" is set then all logs go to
# that file (like in example below).
#
Logging {
	# Use timestamp in the logging files? (Usually it is a good idea,
	# but you may want to disable this if you run silcd under some
	# daemontool).
	Timestamp = true;

	# If QuickLogs is true, then the logging files will be updated
	# real-time.  This causes a bit more CPU and HDD activity, but
	# reduces memory usage.  By default it is false and log files are
	# written with FlushDelay timeout.
	#
	#QuickLogs = true;

	# FlushDelay tells log files update delay (seconds) in case you
	# have chosen buffering output.  This setting has effect only if
	# the QuickLogs is false.
	#
	FlushDelay = 180;

	# Informational messages
	Info {
		File = "/usr/local/logs/silcd.log";
		Size = "100k";
	};

	# Warning messages
	#Warnings {
	#	File = "/usr/local/logs/silcd_warnings.log";
	#	Size = "50k";
	#};

	# Error messages
	#Errors {
	#	File = "/usr/local/logs/silcd_errors.log";
	#	Size = "50k";
	#};

	# Fatal messages
	#Fatals {
	#	File = "/usr/local/logs/silcd_fatals.log";
	#	Size = "50k";
	#};
};

#
# Connection Parameters
#
# This section defined connection parameters.  It is possible to use
# specific parameters in different connections, and to define different
# parameters to different connections.  The parameters can define how the
# connection is handled and how the session is managed.  If connection
# parameters are not used in connections the default values will apply
# (or values defined in General section).  You can have multiple
# ConnectionParams blocks defined.
#
ConnectionParams {
	# unique name.  The name is used to reference to this parameter
	# block from the connections.  This field is mandatory.
	name = "normal";

	# Maximum number of connections allowed.  More connections will be
	# refused.  This can be used for example to limit number of clients.
	# Note that this never can be larger than the connections_max
	# specified in General section.
	connections_max = 200;

	# Maximum number of connections allowed per host.  For example, if
	# this is one (1) it means a host can link only once to the server.
	# Attempting to link more than once would be refused.
	#
	# If this connection parameters block is used with incoming server
	# connections it is recommended that this value is set to one (1).
	connections_max_per_host = 10;

	# Required version of the remote side.  If these are specified then
	# the remote must be of at least this version, or newer.  If older
	# then the connection will not be allowed.
	#
	# version_protocol         - SILC protocol version ("major.minor")
	# version_software         - software version ("major.minor")
	# version_software_vendor  - vendor specific version extension
	#
	# The version_software_vendor may be for example a string or a build
	# number of the software.  The string can be a regex string to match
	# more widely.  Usually the vendor version checking is not necessary
	# and can be omitted.  These can be overridden with ConnectionParams.
	#version_protocol = "1.1";
	#version_software = "1.3";
	#version_software_vendor = "SomeVendor";

	# Keepalive frequency (seconds).
	keepalive_secs = 300;

	# Reconnection parameters defines how the server reconnects to
	# the remote if the connection was lost.  The reconnection phase
	# use so called exponential backoff algorithm;  The reconnect
	# interval grows when reconnect count grows.  Next example will
	# attempt to reconnect after 10 seconds of disconnect, and the
	# interval grows up to 600 seconds or until 7 times was attempted
	# to reconnect.  These settings has effect only when connecting
	# as initiator.
	#
	# reconnect_count        - how many times reconnect is attempted
	# reconnect_interval	 - how often reconnect it performed (seconds)
	# reconnect_interval_max - maximum interval for reconnect, the
	#                          server never waits longer than this to
	#                          reconnect (seconds).
	# reconnect_keep_trying  - whether to keep trying even after
	#                          reconnect_count is reached (the interval
	#                          will be reconnect_interval_max).
	reconnect_count = 7;
	reconnect_interval = 10;
	reconnect_interval_max = 600;
	reconnect_keep_trying = true;

	# Key exchange protocol rekey interval (seconds).  How often to
	# regenerate the session key with the remote.  Initiator will perform
	# the rekey and this setting affects only when connecting as initiator.
	#key_exchange_rekey = 3600;

	# Key exchange with Perfect Forward Secrecy (PFS). This will perform
	# the rekey process with PFS, making the new key more secure since it
	# is not dependent in any way of the old key. This will make the rekey
	# process somewhat slower, than without PFS.
	#key_exchange_pfs = true;

	# Anonymous connection.  This setting has effect only when this
	# this is used with client connections.  If set to true then clients
	# using this connection parameter will be anonymous connections.
	# This means that the client's username and hostname information
	# is scrambled and anonymous mode is set for the user.
	#anonymous = true;

	# Quality of Service (QoS) settings.  The QoS can be used to handle
	# the incoming data and limit its handling rate to avoid flooding.
	# By default QoS is disabled and can be enabled by setting "qos" to
	# true value.  The "qos_rate_limit" is the incmoing data reading
	# per second, and if more frequently than the set limit is read the
	# QoS is applied to the data.  The "qos_bytes_limit" is maximum bytes
	# allowed for incoming data.  If more is received at once the QoS
	# is applied to the data.  The "qos_limit_sec" and "qos_limit_usec"
	# is the timeout used to delay the data handling, seconds and
	# microseconds, respectively.  For server connections QoS SHOULD NOT
	# be set.
	#qos = true;
	#qos_rate_limit = 10;
	#qos_bytes_limit = 2048;
	#qos_limit_sec = 0;
	#qos_limit_usec = 500000;
};

#
# Configured client connections.
#
# The "Host" defines the incoming IP address or hostname of the client.
# If it is omitted all hosts will match this client connection.  The
# "Params" is optional and can be used to set specific connection parameters
# for this connection.
#
# The authentication data is specified by Passphrase and/or PublicKey.
# If both are provided then both password and public key based authentication
# is allowed.  The "PublicKey" includes the single key contained in the
# specified file, while "PublicKeyDir" includes all files in the specified
# directory, which must all be valid public keys with ".pub" suffix.
#
# Next example connection will match to all incoming client connections,
# and no authentication is required.
#
Client {
	#Host = "10.1.*";
	#Passphrase = "secret";
	#PublicKey = "/path/to/the/user_my.pub";
	#PublicKey = "/path/to/the/user_221.pub";
	#PublicKey = "/path/to/the/user_313.pub";
	#PublicKeyDir = "/path/to/keys/dir/";
	Params = "normal";
};

#
# Configured server administrator connections
#
# The fields "Host", "User", and "Nick", are optional but you are encouraged
# in using them to better identify your admins.
#
# The authentication data is specified by Passphrase and/or PublicKey.
# If both are provided then both password and public key based authentication
# is allowed.  If the PublicKey is used it includes the file path to the
# public key file.  If none of them is provided then authentication is not
# required.
#
Admin {
	Host = "10.2.1.199";
	User = "priikone";
	Nick = "pekka";
	Passphrase = "verysecret";
	# PublicKey = "/path/to/the/public.pub";
};

#
# Configured server connections.
#
# If server connections are configured it means that this server is
# router server.  Normal servers must not configure server connections.
# Thus, if this server is not router do not configure this section.  If
# your server is router, this must be configured.  The Host (mandatory)
# specifies the remote server.
#
# The authentication data is specified by Passphrase and/or PublicKey.
# If both are provided then both password and public key based authentication
# is allowed.  If the PublicKey is used it includes the file path to the
# public key file.  If none of them is provided then authentication is not
# required.
#
# If the connection is backup connection then set the "Backup" option
# to true.  For normal connections set it false.  If it is set to true then
# your server will be backup router.
#
ServerConnection {
	Host = "10.2.1.7";
	Passphrase = "verysecret";
	#PublicKey = "/path/to/the/public.pub";
	Params = "normal";
	Backup = false;
};

#
# Configured router connections
#
# For normal servers only one entry maybe configured to this section.  It
# must be the router this server will be connected to.  For router servers,
# this section includes all configured router connections.  The first
# configured connection is the primary route.  The Host (mandatory) specifies
# the remote hostname or IP address.  The Port specifies the remote port
# to connect when Initiator is true.  When Initiator is false the Port
# specifies the local port (listener port).
#
# The authentication data is specified by Passphrase and/or PublicKey.
# If both are provided then both password and public key based authentication
# is allowed.  If the PublicKey is used it includes the file path to the
# public key file.  If none of them is provided then authentication is not
# required.
#
# If you are the initiator of the connection then set the "Initiator"
# option to true.  If you are the responder of the connection (waiting for
# incoming connection) then set it to false.
#
# If the connection is backup router connection then set the "BackupHost"
# option to the IP address of the router that the backup router will
# replace if it becomes unavailable.  Set also the router's port to the
# "BackupPort" option.  For normal connection leave both commented.  If this
# backup router is in our cell then set the "BackupLocal" option to true.
# If the backup router is in other cell then set it to false.
#
RouterConnection {
	Host = "10.2.1.100";
	Port = 706;
	Passphrase = "verysecret";
	#PublicKey = "/path/to/the/public.pub";
	Params = "normal";
	Initiator = true;
	#BackupHost = "10.2.1.6";
	#BackupPort = 706;
	#BackupLocal = true;
};

#
# Denied connections
#
# These connections are denied to connect to our server.
#
# The "Reason" field is mandatory, while the "Host" field can be omitted to
# match everything.
#
#Deny {
#	Host = "10.2.1.99";
#	Reason = "Go away spammer";
#};
#Deny {
#	Host = "10.3.*";
#	Reason = "You are not welcome.";
#};
