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 = "1.3";
75 #version_software = "2.0";
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 # HTTP server access to the server for retrieving server statistics
166 # with a web browser. This is disabled by default.
168 #http_server_ip = "127.0.0.1";
169 #http_server_port = 5000;
171 # Debug string. Debug string can be set to print debugging from
172 # the running server. The debug is redirected to stderr.
183 hostname = "lassi.kuo.fi.ssh.com";
186 # Primary listener. Specify the IP address and the port to bind
195 # Secondary listener(s). If you need to bind your server into
196 # several interfaces use the Secondary to specify the listener(s).
198 #Secondary { ip = "10.2.1.60"; port = 706; };
199 #Secondary { ip = "10.2.1.160"; port = 706; };
202 # ServerType field specifies the purpose of this server
203 # This is only a descriptive field.
205 ServerType = "Test Server";
208 # Geographic location
210 Location = "Kuopio, Finland";
215 Admin = "Foo T. Bar";
218 # Admin's email address
220 AdminEmail = "foo-admin@bar.com";
223 # Run SILC server as specific user and group. The server must be
224 # initially run as root.
230 # Public and private keys
232 PublicKey = "@ETCDIR@/silcd.pub";
233 PrivateKey = "@ETCDIR@/silcd.prv";
238 # Specifies the text file displayed on client connection
240 #MotdFile = "@ETCDIR@/motd.txt";
245 PidFile = "@PIDFILE@";
251 # This section is used to set various logging files, their paths, maximum
252 # sizes and logging options.
254 # There are only four defined channels allowed for defining (see below).
255 # The log channels have an importance value, and most important channels
256 # are redirected on the less important ones, thus setting a valid logging
257 # file for "Info" will ensure logging for all channels, while setting
258 # logging file for "Errors" will ensure logging for channels "Errors"
259 # and "Fatals". If only, for example, "Info" is set then all logs go to
260 # that file (like in example below).
263 # Use timestamp in the logging files? (Usually it is a good idea,
264 # but you may want to disable this if you run silcd under some
268 # If QuickLogs is true, then the logging files will be updated
269 # real-time. This causes a bit more CPU and HDD activity, but
270 # reduces memory usage. By default it is false and log files are
271 # written with FlushDelay timeout.
275 # FlushDelay tells log files update delay (seconds) in case you
276 # have chosen buffering output. This setting has effect only if
277 # the QuickLogs is false.
281 # Informational messages
283 File = "@LOGSDIR@/silcd.log";
289 # File = "@LOGSDIR@/silcd_warnings.log";
295 # File = "@LOGSDIR@/silcd_errors.log";
301 # File = "@LOGSDIR@/silcd_fatals.log";
307 # Connection Parameters
309 # This section defined connection parameters. It is possible to use
310 # specific parameters in different connections, and to define different
311 # parameters to different connections. The parameters can define how the
312 # connection is handled and how the session is managed. If connection
313 # parameters are not used in connections the default values will apply
314 # (or values defined in General section). You can have multiple
315 # ConnectionParams blocks defined.
318 # unique name. The name is used to reference to this parameter
319 # block from the connections. This field is mandatory.
322 # Maximum number of connections allowed. More connections will be
323 # refused. This can be used for example to limit number of clients.
324 # Note that this never can be larger than the connections_max
325 # specified in General section.
326 connections_max = 200;
328 # Maximum number of connections allowed per host. For example, if
329 # this is one (1) it means a host can link only once to the server.
330 # Attempting to link more than once would be refused.
332 # If this connection parameters block is used with incoming server
333 # connections it is recommended that this value is set to one (1).
334 connections_max_per_host = 10;
336 # Required version of the remote side. If these are specified then
337 # the remote must be of at least this version, or newer. If older
338 # then the connection will not be allowed.
340 # version_protocol - SILC protocol version ("major.minor")
341 # version_software - software version ("major.minor")
342 # version_software_vendor - vendor specific version extension
344 # The version_software_vendor may be for example a string or a build
345 # number of the software. The string can be a regex string to match
346 # more widely. Usually the vendor version checking is not necessary
347 # and can be omitted. These can be overridden with ConnectionParams.
348 #version_protocol = "1.1";
349 #version_software = "1.3";
350 #version_software_vendor = "SomeVendor";
352 # Keepalive frequency (seconds).
353 keepalive_secs = 300;
355 # Reconnection parameters defines how the server reconnects to
356 # the remote if the connection was lost. The reconnection phase
357 # use so called exponential backoff algorithm; The reconnect
358 # interval grows when reconnect count grows. Next example will
359 # attempt to reconnect after 10 seconds of disconnect, and the
360 # interval grows up to 600 seconds or until 7 times was attempted
361 # to reconnect. These settings has effect only when connecting
364 # reconnect_count - how many times reconnect is attempted
365 # reconnect_interval - how often reconnect it performed (seconds)
366 # reconnect_interval_max - maximum interval for reconnect, the
367 # server never waits longer than this to
368 # reconnect (seconds).
369 # reconnect_keep_trying - whether to keep trying even after
370 # reconnect_count is reached (the interval
371 # will be reconnect_interval_max).
373 reconnect_interval = 10;
374 reconnect_interval_max = 600;
375 reconnect_keep_trying = true;
377 # Key exchange protocol rekey interval (seconds). How often to
378 # regenerate the session key with the remote. Initiator will perform
379 # the rekey and this setting affects only when connecting as initiator.
380 #key_exchange_rekey = 3600;
382 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
383 # the rekey process with PFS, making the new key more secure since it
384 # is not dependent in any way of the old key. This will make the rekey
385 # process somewhat slower, than without PFS.
386 #key_exchange_pfs = true;
388 # Anonymous connection. This setting has effect only when this
389 # this is used with client connections. If set to true then clients
390 # using this connection parameter will be anonymous connections.
391 # This means that the client's username and hostname information
392 # is scrambled and anonymous mode is set for the user.
395 # Quality of Service (QoS) settings. The QoS can be used to handle
396 # the incoming data and limit its handling rate to avoid flooding.
397 # By default QoS is disabled and can be enabled by setting "qos" to
398 # true value. The "qos_rate_limit" is the incmoing data reading
399 # per second, and if more frequently than the set limit is read the
400 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
401 # allowed for incoming data. If more is received at once the QoS
402 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
403 # is the timeout used to delay the data handling, seconds and
404 # microseconds, respectively. For server connections QoS SHOULD NOT
407 #qos_rate_limit = 10;
408 #qos_bytes_limit = 2048;
410 #qos_limit_usec = 500000;
414 # Configured client connections.
416 # The "Host" defines the incoming IP address or hostname of the client.
417 # If it is omitted all hosts will match this client connection. The
418 # "Params" is optional and can be used to set specific connection parameters
419 # for this connection.
421 # The authentication data is specified by Passphrase and/or PublicKey.
422 # If both are provided then both password and public key based authentication
423 # is allowed. The "PublicKey" includes the single key contained in the
424 # specified file, while "PublicKeyDir" includes all files in the specified
425 # directory, which must all be valid public keys with ".pub" suffix.
427 # Next example connection will match to all incoming client connections,
428 # and no authentication is required.
432 #Passphrase = "secret";
433 #PublicKey = "/path/to/the/user_my.pub";
434 #PublicKey = "/path/to/the/user_221.pub";
435 #PublicKey = "/path/to/the/user_313.pub";
436 #PublicKeyDir = "/path/to/keys/dir/";
441 # Configured server administrator connections
443 # The fields "Host", "User", and "Nick", are optional but you are encouraged
444 # in using them to better identify your admins.
446 # The authentication data is specified by Passphrase and/or PublicKey.
447 # If both are provided then both password and public key based authentication
448 # is allowed. If the PublicKey is used it includes the file path to the
449 # public key file. If none of them is provided then authentication is not
456 Passphrase = "verysecret";
457 # PublicKey = "/path/to/the/public.pub";
461 # Configured server connections.
463 # If server connections are configured it means that this server is
464 # router server. Normal servers must not configure server connections.
465 # Thus, if this server is not router do not configure this section. If
466 # your server is router, this must be configured. The Host (mandatory)
467 # specifies the remote server.
469 # The authentication data is specified by Passphrase and/or PublicKey.
470 # If both are provided then both password and public key based authentication
471 # is allowed. If the PublicKey is used it includes the file path to the
472 # public key file. If none of them is provided then authentication is not
475 # If the connection is backup connection then set the "Backup" option
476 # to true. For normal connections set it false. If it is set to true then
477 # your server will be backup router.
481 Passphrase = "verysecret";
482 #PublicKey = "/path/to/the/public.pub";
488 # Configured router connections
490 # For normal servers only one entry maybe configured to this section. It
491 # must be the router this server will be connected to. For router servers,
492 # this section includes all configured router connections. The first
493 # configured connection is the primary route. The Host (mandatory) specifies
494 # the remote hostname or IP address. The Port specifies the remote port
495 # to connect when Initiator is true. When Initiator is false the Port
496 # specifies the local port (listener port).
498 # The authentication data is specified by Passphrase and/or PublicKey.
499 # If both are provided then both password and public key based authentication
500 # is allowed. If the PublicKey is used it includes the file path to the
501 # public key file. If none of them is provided then authentication is not
504 # If you are the initiator of the connection then set the "Initiator"
505 # option to true. If you are the responder of the connection (waiting for
506 # incoming connection) then set it to false.
508 # If the connection is backup router connection then set the "BackupHost"
509 # option to the IP address of the router that the backup router will
510 # replace if it becomes unavailable. Set also the router's port to the
511 # "BackupPort" option. For normal connection leave both commented. If this
512 # backup router is in our cell then set the "BackupLocal" option to true.
513 # If the backup router is in other cell then set it to false.
518 Passphrase = "verysecret";
519 #PublicKey = "/path/to/the/public.pub";
522 #BackupHost = "10.2.1.6";
530 # These connections are denied to connect to our server.
532 # The "Reason" field is mandatory, while the "Host" field can be omitted to
536 # Host = "10.2.1.99";
537 # Reason = "Go away spammer";
541 # Reason = "You are not welcome.";