4 # Example configuration file. Note that this attempts to present various
5 # configuration possibilities and may not actually give any sensible
6 # configuration. For real life example see the examples/ directory.
8 # Most of the settings in this file are optional. If some setting is
9 # mandatory it is mentioned separately. If some setting is omitted it means
10 # that its builtin default value will be used. Boolean values, that is
11 # setting something on or off, is done by setting either "true" or "false"
12 # value, respectively.
14 # The ServerInfo section is mandatory section. Other sections are optional.
15 # However, if General section is defined it must be defined before the
16 # ConnectionParams sections. On the other hand, the ConnectionParams section
17 # must be defined before Client, ServerConnection or RouterConnection
18 # sections. Other sections can be in free order.
22 # Include global algorithms from the "silcalgs.conf" file. This file defines
23 # ciphers, hash functions, HMACs and PKCS algorithms that can be used.
25 Include "@ETCDIR@/silcalgs.conf";
28 # General configuration options
30 # These defines the default behaviour of the server. Most of these values
31 # can be overridden with ConnectionParams, which can be defined independently
32 # for different connections.
35 # This is the default path where to search modules. If omitted
36 # built-in modules will be used. Built-in modules will also be
37 # used if a module file cannot be located.
38 module_path = "@MODULESDIR@";
40 # If both passphrase and public key authentication is set for a
41 # connection the public key authentication is the preferred one
42 # to use. Set this to `true' to prefer passphrase authentication
43 # over public key authentication in these cases.
44 #prefer_passphrase_auth = true;
46 # Set this to true if the server should require fully qualified
47 # domain names (FQDN) for incoming connections. If true, a host
48 # without FQDN cannot connect to the server.
49 #require_reverse_lookup = true;
51 # Maximum number of incoming connections allowed to this server.
52 # If more attempt to connect they will be refused.
53 connections_max = 1000;
55 # Maximum number of incoming connections allowed per single host.
56 # For example, if this is one (1) it means a host can link only
57 # once to the server. Attempting to connect more than once would
58 # be refused. This can be overridden with ConnectionParams.
59 #connections_max_per_host = 10;
61 # Required version of the remote side. If these are specified then
62 # the remote must be of at least this version, or newer. If older
63 # then the connection will not be allowed.
65 # version_protocol - SILC protocol version ("major.minor")
66 # version_software - software version ("major.minor")
67 # version_software_vendor - vendor specific version extension
69 # The version_software_vendor may be for example a string or a build
70 # number of the software. The string can be a regex string to match
71 # more widely. Usually the vendor version checking is not necessary
72 # and can be omitted. These can be overridden with ConnectionParams.
73 #version_protocol = "1.1";
74 #version_software = "1.3";
75 #version_software_vendor = "SomeVendor";
77 # Default keepalive frequency (seconds). This can be overridden with
78 # with ConnectionParams.
81 # Default reconnection parameters defines how the server reconnect
82 # to the remote if the connection was lost. The reconnection phase
83 # use so called exponential backoff algorithm; The reconnect
84 # interval grows when reconnect count grows. Next example will
85 # attempt to reconnect after 10 seconds of disconnect, and the
86 # interval grows up to 600 seconds or until 7 times was attempted
87 # to reconnect. These settings has effect only when connecting
90 # reconnect_count - how many times reconnect is attempted
91 # reconnect_interval - how often reconnect it performed (seconds)
92 # reconnect_interval_max - maximum interval for reconnect, the
93 # server never waits longer than this to
94 # reconnect (seconds).
95 # reconnect_keep_trying - whether to keep trying even after
96 # reconnect_count is reached (the interval
97 # will be reconnect_interval_max).
99 # These can be overridden with ConnectionParams.
101 reconnect_interval = 10;
102 reconnect_interval_max = 600;
103 reconnect_keep_trying = true;
105 # Key exchange protocol rekey interval (seconds). How often to
106 # regenerate the session key with the remote. Initiator will perform
107 # the rekey and this setting affects only when connecting as initiator.
108 # This can be overridden with ConnectionParams.
109 #key_exchange_rekey = 3600;
111 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
112 # the rekey process with PFS, making the new key more secure since it
113 # is not dependent in any way of the old key. This will make the rekey
114 # process somewhat slower, than without PFS. This can be overridden
115 # with ConnectionParams.
116 #key_exchange_pfs = true;
118 # Key exchange timeout (seconds). If the key exchange protocol is not
119 # finished in this time period the remote connection will be closed.
120 #key_exchange_timeout = 60;
122 # Connection authentication timeout (seconds). If the connection
123 # authentication protocol is not finished in this time period the
124 # remote connection will be closed.
125 #conn_auth_timeout = 60;
127 # Channel key rekey interval (seconds). How often channel key is
128 # regenerated. Note that channel key is regenerated also always when
129 # someone joins or leaves the channel.
130 #channel_rekey_secs = 3600;
132 # SILC session detachment disabling and limiting. By default clients
133 # can detach their sessions from server. If you set detach_disabled
134 # to true the DETACH command cannot be used by clients. If you want
135 # to limit for how long the server keeps detached sessions you can
136 # set the time (minutes) in detach_timeout. After that timeout the
137 # detached session is closed if it is not resumed. By default
138 # sessions are persistent as long as server is running.
139 #detach_disabled = true;
140 #detach_timeout = 1440;
142 # Quality of Service (QoS) settings. The QoS can be used to handle
143 # the incoming data and limit its handling rate to avoid flooding.
144 # By default QoS is disabled and can be enabled by setting "qos" to
145 # true value. The "qos_rate_limit" is the data reads per second,
146 # and if more frequently is read due to for example data flooding,
147 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
148 # allowed for incoming data. If more is received at once the QoS
149 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
150 # is the timeout used to delay the data handling, seconds and
151 # microseconds, respectively. NOTE: If you enable QoS in General
152 # section it applies to server connections as well. Server
153 # connections SHOULD NOT use QoS. This can be overridden with
156 #qos_rate_limit = 10;
157 #qos_bytes_limit = 2048;
159 #qos_limit_usec = 500000;
161 # Debug string. Debug string can be set to print debugging from
162 # the running server. The debug is redirected to stderr.
173 hostname = "lassi.kuo.fi.ssh.com";
176 # Primary listener. Specify the IP address and the port to bind
185 # Secondary listener(s). If you need to bind your server into
186 # several interfaces use the Secondary to specify the listener(s).
188 #Secondary { ip = "10.2.1.60"; port = 706; };
189 #Secondary { ip = "10.2.1.160"; port = 706; };
192 # ServerType field specifies the purpose of this server
193 # This is only a descriptive field.
195 ServerType = "Test Server";
198 # Geographic location
200 Location = "Kuopio, Finland";
205 Admin = "Foo T. Bar";
208 # Admin's email address
210 AdminEmail = "foo-admin@bar.com";
213 # Run SILC server as specific user and group. The server must be
214 # initially run as root.
220 # Public and private keys
222 PublicKey = "@ETCDIR@/silcd.pub";
223 PrivateKey = "@ETCDIR@/silcd.prv";
228 # Specifies the text file displayed on client connection
230 #MotdFile = "@ETCDIR@/motd.txt";
235 PidFile = "@PIDFILE@";
241 # This section is used to set various logging files, their paths, maximum
242 # sizes and logging options.
244 # There are only four defined channels allowed for defining (see below).
245 # The log channels have an importance value, and most important channels
246 # are redirected on the less important ones, thus setting a valid logging
247 # file for "Info" will ensure logging for all channels, while setting
248 # logging file for "Errors" will ensure logging for channels "Errors"
249 # and "Fatals". If only, for example, "Info" is set then all logs go to
250 # that file (like in example below).
253 # Use timestamp in the logging files? (Usually it is a good idea,
254 # but you may want to disable this if you run silcd under some
258 # If QuickLogs is true, then the logging files will be updated
259 # real-time. This causes a bit more CPU and HDD activity, but
260 # reduces memory usage. By default it is false and log files are
261 # written with FlushDelay timeout.
265 # FlushDelay tells log files update delay (seconds) in case you
266 # have chosen buffering output. This setting has effect only if
267 # the QuickLogs is false.
271 # Informational messages
273 File = "@LOGSDIR@/silcd.log";
279 # File = "@LOGSDIR@/silcd_warnings.log";
285 # File = "@LOGSDIR@/silcd_errors.log";
291 # File = "@LOGSDIR@/silcd_fatals.log";
297 # Connection Parameters
299 # This section defined connection parameters. It is possible to use
300 # specific parameters in different connections, and to define different
301 # parameters to different connections. The parameters can define how the
302 # connection is handled and how the session is managed. If connection
303 # parameters are not used in connections the default values will apply
304 # (or values defined in General section). You can have multiple
305 # ConnectionParams blocks defined.
308 # unique name. The name is used to reference to this parameter
309 # block from the connections. This field is mandatory.
312 # Maximum number of connections allowed. More connections will be
313 # refused. This can be used for example to limit number of clients.
314 # Note that this never can be larger than the connections_max
315 # specified in General section.
316 connections_max = 200;
318 # Maximum number of connections allowed per host. For example, if
319 # this is one (1) it means a host can link only once to the server.
320 # Attempting to link more than once would be refused.
322 # If this connection parameters block is used with incoming server
323 # connections it is recommended that this value is set to one (1).
324 connections_max_per_host = 10;
326 # Required version of the remote side. If these are specified then
327 # the remote must be of at least this version, or newer. If older
328 # then the connection will not be allowed.
330 # version_protocol - SILC protocol version ("major.minor")
331 # version_software - software version ("major.minor")
332 # version_software_vendor - vendor specific version extension
334 # The version_software_vendor may be for example a string or a build
335 # number of the software. The string can be a regex string to match
336 # more widely. Usually the vendor version checking is not necessary
337 # and can be omitted. These can be overridden with ConnectionParams.
338 #version_protocol = "1.1";
339 #version_software = "1.3";
340 #version_software_vendor = "SomeVendor";
342 # Keepalive frequency (seconds).
343 keepalive_secs = 300;
345 # Reconnection parameters defines how the server reconnects to
346 # the remote if the connection was lost. The reconnection phase
347 # use so called exponential backoff algorithm; The reconnect
348 # interval grows when reconnect count grows. Next example will
349 # attempt to reconnect after 10 seconds of disconnect, and the
350 # interval grows up to 600 seconds or until 7 times was attempted
351 # to reconnect. These settings has effect only when connecting
354 # reconnect_count - how many times reconnect is attempted
355 # reconnect_interval - how often reconnect it performed (seconds)
356 # reconnect_interval_max - maximum interval for reconnect, the
357 # server never waits longer than this to
358 # reconnect (seconds).
359 # reconnect_keep_trying - whether to keep trying even after
360 # reconnect_count is reached (the interval
361 # will be reconnect_interval_max).
363 reconnect_interval = 10;
364 reconnect_interval_max = 600;
365 reconnect_keep_trying = true;
367 # Key exchange protocol rekey interval (seconds). How often to
368 # regenerate the session key with the remote. Initiator will perform
369 # the rekey and this setting affects only when connecting as initiator.
370 #key_exchange_rekey = 3600;
372 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
373 # the rekey process with PFS, making the new key more secure since it
374 # is not dependent in any way of the old key. This will make the rekey
375 # process somewhat slower, than without PFS.
376 #key_exchange_pfs = true;
378 # Anonymous connection. This setting has effect only when this
379 # this is used with client connections. If set to true then clients
380 # using this connection parameter will be anonymous connections.
381 # This means that the client's username and hostname information
382 # is scrambled and anonymous mode is set for the user.
385 # Quality of Service (QoS) settings. The QoS can be used to handle
386 # the incoming data and limit its handling rate to avoid flooding.
387 # By default QoS is disabled and can be enabled by setting "qos" to
388 # true value. The "qos_rate_limit" is the incmoing data reading
389 # per second, and if more frequently than the set limit is read the
390 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
391 # allowed for incoming data. If more is received at once the QoS
392 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
393 # is the timeout used to delay the data handling, seconds and
394 # microseconds, respectively. For server connections QoS SHOULD NOT
397 #qos_rate_limit = 10;
398 #qos_bytes_limit = 2048;
400 #qos_limit_usec = 500000;
404 # Configured client connections.
406 # The "Host" defines the incoming IP address or hostname of the client.
407 # If it is omitted all hosts will match this client connection. The
408 # "Params" is optional and can be used to set specific connection parameters
409 # for this connection.
411 # The authentication data is specified by Passphrase and/or PublicKey.
412 # If both are provided then both password and public key based authentication
413 # is allowed. The "PublicKey" includes the single key contained in the
414 # specified file, while "PublicKeyDir" includes all files in the specified
415 # directory, which must all be valid public keys with ".pub" suffix.
417 # Next example connection will match to all incoming client connections,
418 # and no authentication is required.
422 #Passphrase = "secret";
423 #PublicKey = "/path/to/the/user_my.pub";
424 #PublicKey = "/path/to/the/user_221.pub";
425 #PublicKey = "/path/to/the/user_313.pub";
426 #PublicKeyDir = "/path/to/keys/dir/";
431 # Configured server administrator connections
433 # The fields "Host", "User", and "Nick", are optional but you are encouraged
434 # in using them to better identify your admins.
436 # The authentication data is specified by Passphrase and/or PublicKey.
437 # If both are provided then both password and public key based authentication
438 # is allowed. If the PublicKey is used it includes the file path to the
439 # public key file. If none of them is provided then authentication is not
446 Passphrase = "verysecret";
447 # PublicKey = "/path/to/the/public.pub";
451 # Configured server connections.
453 # If server connections are configured it means that this server is
454 # router server. Normal servers must not configure server connections.
455 # Thus, if this server is not router do not configure this section. If
456 # your server is router, this must be configured. The Host (mandatory)
457 # specifies the remote server.
459 # The authentication data is specified by Passphrase and/or PublicKey.
460 # If both are provided then both password and public key based authentication
461 # is allowed. If the PublicKey is used it includes the file path to the
462 # public key file. If none of them is provided then authentication is not
465 # If the connection is backup connection then set the "Backup" option
466 # to true. For normal connections set it false. If it is set to true then
467 # your server will be backup router.
471 Passphrase = "verysecret";
472 #PublicKey = "/path/to/the/public.pub";
478 # Configured router connections
480 # For normal servers only one entry maybe configured to this section. It
481 # must be the router this server will be connected to. For router servers,
482 # this section includes all configured router connections. The first
483 # configured connection is the primary route. The Host (mandatory) specifies
484 # the remote hostname or IP address. The Port specifies the remote port
485 # to connect when Initiator is true. When Initiator is false the Port
486 # specifies the local port (listener port).
488 # The authentication data is specified by Passphrase and/or PublicKey.
489 # If both are provided then both password and public key based authentication
490 # is allowed. If the PublicKey is used it includes the file path to the
491 # public key file. If none of them is provided then authentication is not
494 # If you are the initiator of the connection then set the "Initiator"
495 # option to true. If you are the responder of the connection (waiting for
496 # incoming connection) then set it to false.
498 # If the connection is backup router connection then set the "BackupHost"
499 # option to the IP address of the router that the backup router will
500 # replace if it becomes unavailable. Set also the router's port to the
501 # "BackupPort" option. For normal connection leave both commented. If this
502 # backup router is in our cell then set the "BackupLocal" option to true.
503 # If the backup router is in other cell then set it to false.
508 Passphrase = "verysecret";
509 #PublicKey = "/path/to/the/public.pub";
512 #BackupHost = "10.2.1.6";
520 # These connections are denied to connect to our server.
522 # The "Reason" field is mandatory, while the "Host" field can be omitted to
526 # Host = "10.2.1.99";
527 # Reason = "Go away spammer";
531 # Reason = "You are not welcome.";