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 # Debug string. Debug string can be set to print debugging from
163 # the running server. The debug is redirected to stderr.
174 hostname = "lassi.kuo.fi.ssh.com";
177 # Primary listener. Specify the IP address and the port to bind
186 # Secondary listener(s). If you need to bind your server into
187 # several interfaces use the Secondary to specify the listener(s).
189 #Secondary { ip = "10.2.1.60"; port = 706; };
190 #Secondary { ip = "10.2.1.160"; port = 706; };
193 # ServerType field specifies the purpose of this server
194 # This is only a descriptive field.
196 ServerType = "Test Server";
199 # Geographic location
201 Location = "Kuopio, Finland";
206 Admin = "Foo T. Bar";
209 # Admin's email address
211 AdminEmail = "foo-admin@bar.com";
214 # Run SILC server as specific user and group. The server must be
215 # initially run as root.
221 # Public and private keys
223 PublicKey = "@ETCDIR@/silcd.pub";
224 PrivateKey = "@ETCDIR@/silcd.prv";
229 # Specifies the text file displayed on client connection
231 #MotdFile = "@ETCDIR@/motd.txt";
236 PidFile = "@PIDFILE@";
242 # This section is used to set various logging files, their paths, maximum
243 # sizes and logging options.
245 # There are only four defined channels allowed for defining (see below).
246 # The log channels have an importance value, and most important channels
247 # are redirected on the less important ones, thus setting a valid logging
248 # file for "Info" will ensure logging for all channels, while setting
249 # logging file for "Errors" will ensure logging for channels "Errors"
250 # and "Fatals". If only, for example, "Info" is set then all logs go to
251 # that file (like in example below).
254 # Use timestamp in the logging files? (Usually it is a good idea,
255 # but you may want to disable this if you run silcd under some
259 # If QuickLogs is true, then the logging files will be updated
260 # real-time. This causes a bit more CPU and HDD activity, but
261 # reduces memory usage. By default it is false and log files are
262 # written with FlushDelay timeout.
266 # FlushDelay tells log files update delay (seconds) in case you
267 # have chosen buffering output. This setting has effect only if
268 # the QuickLogs is false.
272 # Informational messages
274 File = "@LOGSDIR@/silcd.log";
280 # File = "@LOGSDIR@/silcd_warnings.log";
286 # File = "@LOGSDIR@/silcd_errors.log";
292 # File = "@LOGSDIR@/silcd_fatals.log";
298 # Connection Parameters
300 # This section defined connection parameters. It is possible to use
301 # specific parameters in different connections, and to define different
302 # parameters to different connections. The parameters can define how the
303 # connection is handled and how the session is managed. If connection
304 # parameters are not used in connections the default values will apply
305 # (or values defined in General section). You can have multiple
306 # ConnectionParams blocks defined.
309 # unique name. The name is used to reference to this parameter
310 # block from the connections. This field is mandatory.
313 # Maximum number of connections allowed. More connections will be
314 # refused. This can be used for example to limit number of clients.
315 # Note that this never can be larger than the connections_max
316 # specified in General section.
317 connections_max = 200;
319 # Maximum number of connections allowed per host. For example, if
320 # this is one (1) it means a host can link only once to the server.
321 # Attempting to link more than once would be refused.
323 # If this connection parameters block is used with incoming server
324 # connections it is recommended that this value is set to one (1).
325 connections_max_per_host = 10;
327 # Required version of the remote side. If these are specified then
328 # the remote must be of at least this version, or newer. If older
329 # then the connection will not be allowed.
331 # version_protocol - SILC protocol version ("major.minor")
332 # version_software - software version ("major.minor")
333 # version_software_vendor - vendor specific version extension
335 # The version_software_vendor may be for example a string or a build
336 # number of the software. The string can be a regex string to match
337 # more widely. Usually the vendor version checking is not necessary
338 # and can be omitted. These can be overridden with ConnectionParams.
339 #version_protocol = "1.1";
340 #version_software = "1.3";
341 #version_software_vendor = "SomeVendor";
343 # Keepalive frequency (seconds).
344 keepalive_secs = 300;
346 # Reconnection parameters defines how the server reconnects to
347 # the remote if the connection was lost. The reconnection phase
348 # use so called exponential backoff algorithm; The reconnect
349 # interval grows when reconnect count grows. Next example will
350 # attempt to reconnect after 10 seconds of disconnect, and the
351 # interval grows up to 600 seconds or until 7 times was attempted
352 # to reconnect. These settings has effect only when connecting
355 # reconnect_count - how many times reconnect is attempted
356 # reconnect_interval - how often reconnect it performed (seconds)
357 # reconnect_interval_max - maximum interval for reconnect, the
358 # server never waits longer than this to
359 # reconnect (seconds).
360 # reconnect_keep_trying - whether to keep trying even after
361 # reconnect_count is reached (the interval
362 # will be reconnect_interval_max).
364 reconnect_interval = 10;
365 reconnect_interval_max = 600;
366 reconnect_keep_trying = true;
368 # Key exchange protocol rekey interval (seconds). How often to
369 # regenerate the session key with the remote. Initiator will perform
370 # the rekey and this setting affects only when connecting as initiator.
371 #key_exchange_rekey = 3600;
373 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
374 # the rekey process with PFS, making the new key more secure since it
375 # is not dependent in any way of the old key. This will make the rekey
376 # process somewhat slower, than without PFS.
377 #key_exchange_pfs = true;
379 # Anonymous connection. This setting has effect only when this
380 # this is used with client connections. If set to true then clients
381 # using this connection parameter will be anonymous connections.
382 # This means that the client's username and hostname information
383 # is scrambled and anonymous mode is set for the user.
386 # Quality of Service (QoS) settings. The QoS can be used to handle
387 # the incoming data and limit its handling rate to avoid flooding.
388 # By default QoS is disabled and can be enabled by setting "qos" to
389 # true value. The "qos_rate_limit" is the incmoing data reading
390 # per second, and if more frequently than the set limit is read the
391 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
392 # allowed for incoming data. If more is received at once the QoS
393 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
394 # is the timeout used to delay the data handling, seconds and
395 # microseconds, respectively. For server connections QoS SHOULD NOT
398 #qos_rate_limit = 10;
399 #qos_bytes_limit = 2048;
401 #qos_limit_usec = 500000;
405 # Configured client connections.
407 # The "Host" defines the incoming IP address or hostname of the client.
408 # If it is omitted all hosts will match this client connection. The
409 # "Params" is optional and can be used to set specific connection parameters
410 # for this connection.
412 # The authentication data is specified by Passphrase and/or PublicKey.
413 # If both are provided then both password and public key based authentication
414 # is allowed. The "PublicKey" includes the single key contained in the
415 # specified file, while "PublicKeyDir" includes all files in the specified
416 # directory, which must all be valid public keys with ".pub" suffix.
418 # Next example connection will match to all incoming client connections,
419 # and no authentication is required.
423 #Passphrase = "secret";
424 #PublicKey = "/path/to/the/user_my.pub";
425 #PublicKey = "/path/to/the/user_221.pub";
426 #PublicKey = "/path/to/the/user_313.pub";
427 #PublicKeyDir = "/path/to/keys/dir/";
432 # Configured server administrator connections
434 # The fields "Host", "User", and "Nick", are optional but you are encouraged
435 # in using them to better identify your admins.
437 # The authentication data is specified by Passphrase and/or PublicKey.
438 # If both are provided then both password and public key based authentication
439 # is allowed. If the PublicKey is used it includes the file path to the
440 # public key file. If none of them is provided then authentication is not
447 Passphrase = "verysecret";
448 # PublicKey = "/path/to/the/public.pub";
452 # Configured server connections.
454 # If server connections are configured it means that this server is
455 # router server. Normal servers must not configure server connections.
456 # Thus, if this server is not router do not configure this section. If
457 # your server is router, this must be configured. The Host (mandatory)
458 # specifies the remote server.
460 # The authentication data is specified by Passphrase and/or PublicKey.
461 # If both are provided then both password and public key based authentication
462 # is allowed. If the PublicKey is used it includes the file path to the
463 # public key file. If none of them is provided then authentication is not
466 # If the connection is backup connection then set the "Backup" option
467 # to true. For normal connections set it false. If it is set to true then
468 # your server will be backup router.
472 Passphrase = "verysecret";
473 #PublicKey = "/path/to/the/public.pub";
479 # Configured router connections
481 # For normal servers only one entry maybe configured to this section. It
482 # must be the router this server will be connected to. For router servers,
483 # this section includes all configured router connections. The first
484 # configured connection is the primary route. The Host (mandatory) specifies
485 # the remote hostname or IP address. The Port specifies the remote port
486 # to connect when Initiator is true. When Initiator is false the Port
487 # specifies the local port (listener port).
489 # The authentication data is specified by Passphrase and/or PublicKey.
490 # If both are provided then both password and public key based authentication
491 # is allowed. If the PublicKey is used it includes the file path to the
492 # public key file. If none of them is provided then authentication is not
495 # If you are the initiator of the connection then set the "Initiator"
496 # option to true. If you are the responder of the connection (waiting for
497 # incoming connection) then set it to false.
499 # If the connection is backup router connection then set the "BackupHost"
500 # option to the IP address of the router that the backup router will
501 # replace if it becomes unavailable. Set also the router's port to the
502 # "BackupPort" option. For normal connection leave both commented. If this
503 # backup router is in our cell then set the "BackupLocal" option to true.
504 # If the backup router is in other cell then set it to false.
509 Passphrase = "verysecret";
510 #PublicKey = "/path/to/the/public.pub";
513 #BackupHost = "10.2.1.6";
521 # These connections are denied to connect to our server.
523 # The "Reason" field is mandatory, while the "Host" field can be omitted to
527 # Host = "10.2.1.99";
528 # Reason = "Go away spammer";
532 # Reason = "You are not welcome.";