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 connections server can handle. If you want
52 # to limit the number of incoming connections, define the
53 # connections_max in the ConnectionParams.
54 connections_max = 1000;
56 # Maximum number of incoming connections allowed per single host.
57 # For example, if this is one (1) it means a host can link only
58 # once to the server. Attempting to connect more than once would
59 # be refused. This can be overridden with ConnectionParams.
60 #connections_max_per_host = 10;
62 # Required version of the remote side. If these are specified then
63 # the remote must be of at least this version, or newer. If older
64 # then the connection will not be allowed.
66 # version_protocol - SILC protocol version ("major.minor")
67 # version_software - software version ("major.minor")
68 # version_software_vendor - vendor specific version extension
70 # The version_software_vendor may be for example a string or a build
71 # number of the software. The string can be a regex string to match
72 # more widely. Usually the vendor version checking is not necessary
73 # and can be omitted. These can be overridden with ConnectionParams.
74 #version_protocol = "1.1";
75 #version_software = "1.3";
76 #version_software_vendor = "SomeVendor";
78 # Default keepalive frequency (seconds). This can be overridden with
79 # with ConnectionParams.
82 # Default reconnection parameters defines how the server reconnect
83 # to the remote if the connection was lost. The reconnection phase
84 # use so called exponential backoff algorithm; The reconnect
85 # interval grows when reconnect count grows. Next example will
86 # attempt to reconnect after 10 seconds of disconnect, and the
87 # interval grows up to 600 seconds or until 7 times was attempted
88 # to reconnect. These settings has effect only when connecting
91 # reconnect_count - how many times reconnect is attempted
92 # reconnect_interval - how often reconnect it performed (seconds)
93 # reconnect_interval_max - maximum interval for reconnect, the
94 # server never waits longer than this to
95 # reconnect (seconds).
96 # reconnect_keep_trying - whether to keep trying even after
97 # reconnect_count is reached (the interval
98 # will be reconnect_interval_max).
100 # These can be overridden with ConnectionParams.
102 reconnect_interval = 10;
103 reconnect_interval_max = 600;
104 reconnect_keep_trying = true;
106 # Key exchange protocol rekey interval (seconds). How often to
107 # regenerate the session key with the remote. Initiator will perform
108 # the rekey and this setting affects only when connecting as initiator.
109 # This can be overridden with ConnectionParams.
110 #key_exchange_rekey = 3600;
112 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
113 # the rekey process with PFS, making the new key more secure since it
114 # is not dependent in any way of the old key. This will make the rekey
115 # process somewhat slower, than without PFS. This can be overridden
116 # with ConnectionParams.
117 #key_exchange_pfs = true;
119 # Key exchange timeout (seconds). If the key exchange protocol is not
120 # finished in this time period the remote connection will be closed.
121 #key_exchange_timeout = 60;
123 # Connection authentication timeout (seconds). If the connection
124 # authentication protocol is not finished in this time period the
125 # remote connection will be closed.
126 #conn_auth_timeout = 60;
128 # Channel key rekey interval (seconds). How often channel key is
129 # regenerated. Note that channel key is regenerated also always when
130 # someone joins or leaves the channel.
131 #channel_rekey_secs = 3600;
133 # SILC session detachment disabling and limiting. By default clients
134 # can detach their sessions from server. If you set detach_disabled
135 # to true the DETACH command cannot be used by clients. If you want
136 # to limit for how long the server keeps detached sessions you can
137 # set the time (minutes) in detach_timeout. After that timeout the
138 # detached session is closed if it is not resumed. By default
139 # sessions are persistent as long as server is running.
140 #detach_disabled = true;
141 #detach_timeout = 1440;
143 # Quality of Service (QoS) settings. The QoS can be used to handle
144 # the incoming data and limit its handling rate to avoid flooding.
145 # By default QoS is disabled and can be enabled by setting "qos" to
146 # true value. The "qos_rate_limit" is the data reads per second,
147 # and if more frequently is read due to for example data flooding,
148 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
149 # allowed for incoming data. If more is received at once the QoS
150 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
151 # is the timeout used to delay the data handling, seconds and
152 # microseconds, respectively. NOTE: If you enable QoS in General
153 # section it applies to server connections as well. Server
154 # connections SHOULD NOT use QoS. This can be overridden with
157 #qos_rate_limit = 10;
158 #qos_bytes_limit = 2048;
160 #qos_limit_usec = 500000;
162 # Limit on how many channels one client can join. Default is 50.
163 #channel_join_limit = 100;
165 # Debug string. Debug string can be set to print debugging from
166 # the running server. The debug is redirected to stderr.
177 hostname = "lassi.kuo.fi.ssh.com";
180 # Primary listener. Specify the IP address and the port to bind
189 # Secondary listener(s). If you need to bind your server into
190 # several interfaces use the Secondary to specify the listener(s).
192 #Secondary { ip = "10.2.1.60"; port = 706; };
193 #Secondary { ip = "10.2.1.160"; port = 706; };
196 # ServerType field specifies the purpose of this server
197 # This is only a descriptive field.
199 ServerType = "Test Server";
202 # Geographic location
204 Location = "Kuopio, Finland";
209 Admin = "Foo T. Bar";
212 # Admin's email address
214 AdminEmail = "foo-admin@bar.com";
217 # Run SILC server as specific user and group. The server must be
218 # initially run as root.
224 # Public and private keys
226 PublicKey = "@ETCDIR@/silcd.pub";
227 PrivateKey = "@ETCDIR@/silcd.prv";
232 # Specifies the text file displayed on client connection
234 #MotdFile = "@ETCDIR@/motd.txt";
239 PidFile = "@PIDFILE@";
245 # This section is used to set various logging files, their paths, maximum
246 # sizes and logging options.
248 # There are only four defined channels allowed for defining (see below).
249 # The log channels have an importance value, and most important channels
250 # are redirected on the less important ones, thus setting a valid logging
251 # file for "Info" will ensure logging for all channels, while setting
252 # logging file for "Errors" will ensure logging for channels "Errors"
253 # and "Fatals". If only, for example, "Info" is set then all logs go to
254 # that file (like in example below).
257 # Use timestamp in the logging files? (Usually it is a good idea,
258 # but you may want to disable this if you run silcd under some
262 # If QuickLogs is true, then the logging files will be updated
263 # real-time. This causes a bit more CPU and HDD activity, but
264 # reduces memory usage. By default it is false and log files are
265 # written with FlushDelay timeout.
269 # FlushDelay tells log files update delay (seconds) in case you
270 # have chosen buffering output. This setting has effect only if
271 # the QuickLogs is false.
275 # Informational messages
277 File = "@LOGSDIR@/silcd.log";
283 # File = "@LOGSDIR@/silcd_warnings.log";
289 # File = "@LOGSDIR@/silcd_errors.log";
295 # File = "@LOGSDIR@/silcd_fatals.log";
301 # Connection Parameters
303 # This section defined connection parameters. It is possible to use
304 # specific parameters in different connections, and to define different
305 # parameters to different connections. The parameters can define how the
306 # connection is handled and how the session is managed. If connection
307 # parameters are not used in connections the default values will apply
308 # (or values defined in General section). You can have multiple
309 # ConnectionParams blocks defined.
312 # unique name. The name is used to reference to this parameter
313 # block from the connections. This field is mandatory.
316 # Maximum number of connections allowed. More connections will be
317 # refused. This can be used for example to limit number of clients.
318 # Note that this never can be larger than the connections_max
319 # specified in General section.
320 connections_max = 200;
322 # Maximum number of connections allowed per host. For example, if
323 # this is one (1) it means a host can link only once to the server.
324 # Attempting to link more than once would be refused.
326 # If this connection parameters block is used with incoming server
327 # connections it is recommended that this value is set to one (1).
328 connections_max_per_host = 10;
330 # Required version of the remote side. If these are specified then
331 # the remote must be of at least this version, or newer. If older
332 # then the connection will not be allowed.
334 # version_protocol - SILC protocol version ("major.minor")
335 # version_software - software version ("major.minor")
336 # version_software_vendor - vendor specific version extension
338 # The version_software_vendor may be for example a string or a build
339 # number of the software. The string can be a regex string to match
340 # more widely. Usually the vendor version checking is not necessary
341 # and can be omitted. These can be overridden with ConnectionParams.
342 #version_protocol = "1.1";
343 #version_software = "1.3";
344 #version_software_vendor = "SomeVendor";
346 # Keepalive frequency (seconds).
347 keepalive_secs = 300;
349 # Reconnection parameters defines how the server reconnects to
350 # the remote if the connection was lost. The reconnection phase
351 # use so called exponential backoff algorithm; The reconnect
352 # interval grows when reconnect count grows. Next example will
353 # attempt to reconnect after 10 seconds of disconnect, and the
354 # interval grows up to 600 seconds or until 7 times was attempted
355 # to reconnect. These settings has effect only when connecting
358 # reconnect_count - how many times reconnect is attempted
359 # reconnect_interval - how often reconnect it performed (seconds)
360 # reconnect_interval_max - maximum interval for reconnect, the
361 # server never waits longer than this to
362 # reconnect (seconds).
363 # reconnect_keep_trying - whether to keep trying even after
364 # reconnect_count is reached (the interval
365 # will be reconnect_interval_max).
367 reconnect_interval = 10;
368 reconnect_interval_max = 600;
369 reconnect_keep_trying = true;
371 # Key exchange protocol rekey interval (seconds). How often to
372 # regenerate the session key with the remote. Initiator will perform
373 # the rekey and this setting affects only when connecting as initiator.
374 #key_exchange_rekey = 3600;
376 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
377 # the rekey process with PFS, making the new key more secure since it
378 # is not dependent in any way of the old key. This will make the rekey
379 # process somewhat slower, than without PFS.
380 #key_exchange_pfs = true;
382 # Anonymous connection. This setting has effect only when this
383 # this is used with client connections. If set to true then clients
384 # using this connection parameter will be anonymous connections.
385 # This means that the client's username and hostname information
386 # is scrambled and anonymous mode is set for the user.
389 # Quality of Service (QoS) settings. The QoS can be used to handle
390 # the incoming data and limit its handling rate to avoid flooding.
391 # By default QoS is disabled and can be enabled by setting "qos" to
392 # true value. The "qos_rate_limit" is the incmoing data reading
393 # per second, and if more frequently than the set limit is read the
394 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
395 # allowed for incoming data. If more is received at once the QoS
396 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
397 # is the timeout used to delay the data handling, seconds and
398 # microseconds, respectively. For server connections QoS SHOULD NOT
401 #qos_rate_limit = 10;
402 #qos_bytes_limit = 2048;
404 #qos_limit_usec = 500000;
408 # Configured client connections.
410 # The "Host" defines the incoming IP address or hostname of the client.
411 # If it is omitted all hosts will match this client connection. The
412 # "Params" is optional and can be used to set specific connection parameters
413 # for this connection.
415 # The authentication data is specified by Passphrase and/or PublicKey.
416 # If both are provided then both password and public key based authentication
417 # is allowed. The "PublicKey" includes the single key contained in the
418 # specified file, while "PublicKeyDir" includes all files in the specified
419 # directory, which must all be valid public keys with ".pub" suffix.
421 # Next example connection will match to all incoming client connections,
422 # and no authentication is required.
426 #Passphrase = "secret";
427 #PublicKey = "/path/to/the/user_my.pub";
428 #PublicKey = "/path/to/the/user_221.pub";
429 #PublicKey = "/path/to/the/user_313.pub";
430 #PublicKeyDir = "/path/to/keys/dir/";
435 # Configured server administrator connections
437 # The fields "Host", "User", and "Nick", are optional but you are encouraged
438 # in using them to better identify your admins.
440 # The authentication data is specified by Passphrase and/or PublicKey.
441 # If both are provided then both password and public key based authentication
442 # is allowed. If the PublicKey is used it includes the file path to the
443 # public key file. If none of them is provided then authentication is not
450 Passphrase = "verysecret";
451 # PublicKey = "/path/to/the/public.pub";
455 # Configured server connections.
457 # If server connections are configured it means that this server is
458 # router server. Normal servers must not configure server connections.
459 # Thus, if this server is not router do not configure this section. If
460 # your server is router, this must be configured. The Host (mandatory)
461 # specifies the remote server.
463 # The authentication data is specified by Passphrase and/or PublicKey.
464 # If both are provided then both password and public key based authentication
465 # is allowed. If the PublicKey is used it includes the file path to the
466 # public key file. If none of them is provided then authentication is not
469 # If the connection is backup connection then set the "Backup" option
470 # to true. For normal connections set it false. If it is set to true then
471 # your server will be backup router.
475 Passphrase = "verysecret";
476 #PublicKey = "/path/to/the/public.pub";
482 # Configured router connections
484 # For normal servers only one entry maybe configured to this section. It
485 # must be the router this server will be connected to. For router servers,
486 # this section includes all configured router connections. The first
487 # configured connection is the primary route. The Host (mandatory) specifies
488 # the remote hostname or IP address. The Port specifies the remote port
489 # to connect when Initiator is true. When Initiator is false the Port
490 # specifies the local port (listener port).
492 # The authentication data is specified by Passphrase and/or PublicKey.
493 # If both are provided then both password and public key based authentication
494 # is allowed. If the PublicKey is used it includes the file path to the
495 # public key file. If none of them is provided then authentication is not
498 # If you are the initiator of the connection then set the "Initiator"
499 # option to true. If you are the responder of the connection (waiting for
500 # incoming connection) then set it to false.
502 # If the connection is backup router connection then set the "BackupHost"
503 # option to the IP address of the router that the backup router will
504 # replace if it becomes unavailable. Set also the router's port to the
505 # "BackupPort" option. For normal connection leave both commented. If this
506 # backup router is in our cell then set the "BackupLocal" option to true.
507 # If the backup router is in other cell then set it to false.
512 Passphrase = "verysecret";
513 #PublicKey = "/path/to/the/public.pub";
516 #BackupHost = "10.2.1.6";
524 # These connections are denied to connect to our server.
526 # The "Reason" field is mandatory, while the "Host" field can be omitted to
530 # Host = "10.2.1.99";
531 # Reason = "Go away spammer";
535 # Reason = "You are not welcome.";