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 # If both passphrase and public key authentication is set for a
36 # connection the public key authentication is the preferred one
37 # to use. Set this to `true' to prefer passphrase authentication
38 # over public key authentication in these cases.
39 #prefer_passphrase_auth = true;
41 # Set this to true if the server should require fully qualified
42 # domain names (FQDN) for incoming connections. If true, a host
43 # without FQDN cannot connect to the server.
44 #require_reverse_lookup = true;
46 # Maximum number of connections server can handle. If you want
47 # to limit the number of incoming connections, define the
48 # connections_max in the ConnectionParams.
49 connections_max = 1000;
51 # Maximum number of incoming connections allowed per single host.
52 # For example, if this is one (1) it means a host can link only
53 # once to the server. Attempting to connect more than once would
54 # be refused. This can be overridden with ConnectionParams.
55 #connections_max_per_host = 10;
57 # Required version of the remote side. If these are specified then
58 # the remote must be of at least this version, or newer. If older
59 # then the connection will not be allowed.
61 # version_protocol - SILC protocol version ("major.minor")
62 # version_software - software version ("major.minor")
63 # version_software_vendor - vendor specific version extension
65 # The version_software_vendor may be for example a string or a build
66 # number of the software. The string can be a regex string to match
67 # more widely. Usually the vendor version checking is not necessary
68 # and can be omitted. These can be overridden with ConnectionParams.
69 #version_protocol = "1.3";
70 #version_software = "2.0";
71 #version_software_vendor = "SomeVendor";
73 # Default keepalive frequency (seconds). This can be overridden with
74 # with ConnectionParams.
77 # Dynamic router connections. If this is set for normal SILC server
78 # the connection to primary router is not created untill it is actually
79 # needed. Giving for example /WHOIS foobar@silcnet.org would then
80 # create connection to the primary router to resolve user foobar.
81 # On the other hand giving /WHOIS foobar would try to search the
82 # user foobar locally, without creating the connection. Note that
83 # giving /JOIN foobar will also created the connection as current
84 # SILC Server version supports only global channels (all JOINs require
85 # connection to router, if one is configured).
86 #dynamic_server = true;
88 # Default reconnection parameters defines how the server reconnect
89 # to the remote if the connection was lost. The reconnection phase
90 # use so called exponential backoff algorithm; The reconnect
91 # interval grows when reconnect count grows. Next example will
92 # attempt to reconnect after 10 seconds of disconnect, and the
93 # interval grows up to 600 seconds or until 7 times was attempted
94 # to reconnect. These settings has effect only when connecting
97 # reconnect_count - how many times reconnect is attempted
98 # reconnect_interval - how often reconnect it performed (seconds)
99 # reconnect_interval_max - maximum interval for reconnect, the
100 # server never waits longer than this to
101 # reconnect (seconds).
102 # reconnect_keep_trying - whether to keep trying even after
103 # reconnect_count is reached (the interval
104 # will be reconnect_interval_max).
106 # These can be overridden with ConnectionParams.
108 reconnect_interval = 10;
109 reconnect_interval_max = 600;
110 reconnect_keep_trying = true;
112 # Key exchange protocol rekey interval (seconds). How often to
113 # regenerate the session key with the remote. Initiator will perform
114 # the rekey and this setting affects only when connecting as initiator.
115 # This can be overridden with ConnectionParams.
116 #key_exchange_rekey = 3600;
118 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
119 # the rekey process with PFS, making the new key more secure since it
120 # is not dependent in any way of the old key. This will make the rekey
121 # process somewhat slower, than without PFS. This can be overridden
122 # with ConnectionParams.
123 #key_exchange_pfs = true;
125 # Key exchange timeout (seconds). If the key exchange protocol is not
126 # finished in this time period the remote connection will be closed.
127 #key_exchange_timeout = 60;
129 # Connection authentication timeout (seconds). If the connection
130 # authentication protocol is not finished in this time period the
131 # remote connection will be closed.
132 #conn_auth_timeout = 60;
134 # Channel key rekey interval (seconds). How often channel key is
135 # regenerated. Note that channel key is regenerated also always when
136 # someone joins or leaves the channel.
137 #channel_rekey_secs = 3600;
139 # SILC session detachment disabling and limiting. By default clients
140 # can detach their sessions from server. If you set detach_disabled
141 # to true the DETACH command cannot be used by clients. If you want
142 # to limit for how long the server keeps detached sessions you can
143 # set the time (minutes) in detach_timeout. After that timeout the
144 # detached session is closed if it is not resumed. By default
145 # sessions are persistent as long as server is running.
146 #detach_disabled = true;
147 #detach_timeout = 1440;
149 # Quality of Service (QoS) settings. The QoS can be used to handle
150 # the incoming data and limit its handling rate to avoid flooding.
151 # By default QoS is disabled and can be enabled by setting "qos" to
152 # true value. The "qos_rate_limit" is the data reads per second,
153 # and if more frequently is read due to for example data flooding,
154 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
155 # allowed for incoming data. If more is received at once the QoS
156 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
157 # is the timeout used to delay the data handling, seconds and
158 # microseconds, respectively. NOTE: If you enable QoS in General
159 # section it applies to server connections as well. Server
160 # connections SHOULD NOT use QoS. This can be overridden with
163 #qos_rate_limit = 10;
164 #qos_bytes_limit = 2048;
166 #qos_limit_usec = 500000;
168 # Limit on how many channels one client can join. Default is 50.
169 #channel_join_limit = 100;
171 # HTTP server access to the server for retrieving server statistics
172 # with a web browser. This is disabled by default.
174 #http_server_ip = "127.0.0.1";
175 #http_server_port = 5000;
177 # Debug string. Debug string can be set to print debugging from
178 # the running server. The debug is redirected to stderr.
189 hostname = "lassi.kuo.fi.ssh.com";
192 # Primary listener. Specify the IP address and the port to bind
193 # the server. The public_ip can be used to specify the public IP
194 # if the server is behind NAT.
198 # public_ip = "11.1.1.1";
203 # Secondary listener(s). If you need to bind your server into
204 # several interfaces use the Secondary to specify the listener(s).
206 #Secondary { ip = "10.2.1.60"; port = 706; };
207 #Secondary { ip = "10.2.1.160"; port = 706; };
210 # ServerType field specifies the purpose of this server
211 # This is only a descriptive field.
213 ServerType = "Test Server";
216 # Geographic location
218 Location = "Kuopio, Finland";
223 Admin = "Foo T. Bar";
226 # Admin's email address
228 AdminEmail = "foo-admin@bar.com";
231 # Run SILC server as specific user and group. The server must be
232 # initially run as root.
238 # Public and private keys
240 PublicKey = "@ETCDIR@/silcd.pub";
241 PrivateKey = "@ETCDIR@/silcd.prv";
246 # Specifies the text file displayed on client connection
248 #MotdFile = "@ETCDIR@/motd.txt";
253 PidFile = "@PIDFILE@";
259 # This section is used to set various logging files, their paths, maximum
260 # sizes and logging options.
262 # There are only four defined channels allowed for defining (see below).
263 # The log channels have an importance value, and most important channels
264 # are redirected on the less important ones, thus setting a valid logging
265 # file for "Info" will ensure logging for all channels, while setting
266 # logging file for "Errors" will ensure logging for channels "Errors"
267 # and "Fatals". If only, for example, "Info" is set then all logs go to
268 # that file (like in example below).
271 # Use timestamp in the logging files? (Usually it is a good idea,
272 # but you may want to disable this if you run silcd under some
276 # If QuickLogs is true, then the logging files will be updated
277 # real-time. This causes a bit more CPU and HDD activity, but
278 # reduces memory usage. By default it is false and log files are
279 # written with FlushDelay timeout.
283 # FlushDelay tells log files update delay (seconds) in case you
284 # have chosen buffering output. This setting has effect only if
285 # the QuickLogs is false.
289 # Informational messages
291 File = "@LOGSDIR@/silcd.log";
297 # File = "@LOGSDIR@/silcd_warnings.log";
303 # File = "@LOGSDIR@/silcd_errors.log";
309 # File = "@LOGSDIR@/silcd_fatals.log";
315 # Connection Parameters
317 # This section defined connection parameters. It is possible to use
318 # specific parameters in different connections, and to define different
319 # parameters to different connections. The parameters can define how the
320 # connection is handled and how the session is managed. If connection
321 # parameters are not used in connections the default values will apply
322 # (or values defined in General section). You can have multiple
323 # ConnectionParams blocks defined.
326 # unique name. The name is used to reference to this parameter
327 # block from the connections. This field is mandatory.
330 # Maximum number of connections allowed. More connections will be
331 # refused. This can be used for example to limit number of clients.
332 # Note that this never can be larger than the connections_max
333 # specified in General section.
334 connections_max = 200;
336 # Maximum number of connections allowed per host. For example, if
337 # this is one (1) it means a host can link only once to the server.
338 # Attempting to link more than once would be refused.
340 # If this connection parameters block is used with incoming server
341 # connections it is recommended that this value is set to one (1).
342 connections_max_per_host = 10;
344 # Required version of the remote side. If these are specified then
345 # the remote must be of at least this version, or newer. If older
346 # then the connection will not be allowed.
348 # version_protocol - SILC protocol version ("major.minor")
349 # version_software - software version ("major.minor")
350 # version_software_vendor - vendor specific version extension
352 # The version_software_vendor may be for example a string or a build
353 # number of the software. The string can be a regex string to match
354 # more widely. Usually the vendor version checking is not necessary
355 # and can be omitted. These can be overridden with ConnectionParams.
356 #version_protocol = "1.1";
357 #version_software = "1.3";
358 #version_software_vendor = "SomeVendor";
360 # Keepalive frequency (seconds).
361 keepalive_secs = 300;
363 # Reconnection parameters defines how the server reconnects to
364 # the remote if the connection was lost. The reconnection phase
365 # use so called exponential backoff algorithm; The reconnect
366 # interval grows when reconnect count grows. Next example will
367 # attempt to reconnect after 10 seconds of disconnect, and the
368 # interval grows up to 600 seconds or until 7 times was attempted
369 # to reconnect. These settings has effect only when connecting
372 # reconnect_count - how many times reconnect is attempted
373 # reconnect_interval - how often reconnect it performed (seconds)
374 # reconnect_interval_max - maximum interval for reconnect, the
375 # server never waits longer than this to
376 # reconnect (seconds).
377 # reconnect_keep_trying - whether to keep trying even after
378 # reconnect_count is reached (the interval
379 # will be reconnect_interval_max).
381 reconnect_interval = 10;
382 reconnect_interval_max = 600;
383 reconnect_keep_trying = true;
385 # Key exchange protocol rekey interval (seconds). How often to
386 # regenerate the session key with the remote. Initiator will perform
387 # the rekey and this setting affects only when connecting as initiator.
388 #key_exchange_rekey = 3600;
390 # Key exchange with Perfect Forward Secrecy (PFS). This will perform
391 # the rekey process with PFS, making the new key more secure since it
392 # is not dependent in any way of the old key. This will make the rekey
393 # process somewhat slower, than without PFS.
394 #key_exchange_pfs = true;
396 # Anonymous connection. This setting has effect only when this
397 # this is used with client connections. If set to true then clients
398 # using this connection parameter will be anonymous connections.
399 # This means that the client's username and hostname information
400 # is scrambled and anonymous mode is set for the user.
403 # Quality of Service (QoS) settings. The QoS can be used to handle
404 # the incoming data and limit its handling rate to avoid flooding.
405 # By default QoS is disabled and can be enabled by setting "qos" to
406 # true value. The "qos_rate_limit" is the incmoing data reading
407 # per second, and if more frequently than the set limit is read the
408 # QoS is applied to the data. The "qos_bytes_limit" is maximum bytes
409 # allowed for incoming data. If more is received at once the QoS
410 # is applied to the data. The "qos_limit_sec" and "qos_limit_usec"
411 # is the timeout used to delay the data handling, seconds and
412 # microseconds, respectively. For server connections QoS SHOULD NOT
415 #qos_rate_limit = 10;
416 #qos_bytes_limit = 2048;
418 #qos_limit_usec = 500000;
422 # Configured client connections.
424 # The "Host" defines the incoming IP address or hostname of the client.
425 # If it is omitted all hosts will match this client connection. The
426 # "Params" is optional and can be used to set specific connection parameters
427 # for this connection.
429 # The authentication data is specified by Passphrase and/or PublicKey.
430 # If both are provided then both password and public key based authentication
431 # is allowed. The "PublicKey" includes the single key contained in the
432 # specified file, while "PublicKeyDir" includes all files in the specified
433 # directory, which must all be valid public keys with ".pub" suffix.
435 # Next example connection will match to all incoming client connections,
436 # and no authentication is required.
440 #Passphrase = "secret";
441 #PublicKey = "/path/to/the/user_my.pub";
442 #PublicKey = "/path/to/the/user_221.pub";
443 #PublicKey = "/path/to/the/user_313.pub";
444 #PublicKeyDir = "/path/to/keys/dir/";
449 # Configured server administrator connections
451 # The fields "Host", "User", and "Nick", are optional but you are encouraged
452 # in using them to better identify your admins.
454 # The authentication data is specified by Passphrase and/or PublicKey.
455 # If both are provided then both password and public key based authentication
456 # is allowed. If the PublicKey is used it includes the file path to the
457 # public key file. If none of them is provided then authentication is not
464 Passphrase = "verysecret";
465 # PublicKey = "/path/to/the/public.pub";
469 # Configured server connections.
471 # If server connections are configured it means that this server is
472 # router server. Normal servers must not configure server connections.
473 # Thus, if this server is not router do not configure this section. If
474 # your server is router, this must be configured. The Host (mandatory)
475 # specifies the remote server.
477 # The authentication data is specified by Passphrase and/or PublicKey.
478 # If both are provided then both password and public key based authentication
479 # is allowed. If the PublicKey is used it includes the file path to the
480 # public key file. If none of them is provided then authentication is not
483 # If the connection is backup connection then set the "Backup" option
484 # to true. For normal connections set it false. If it is set to true then
485 # your server will be backup router.
489 Passphrase = "verysecret";
490 #PublicKey = "/path/to/the/public.pub";
496 # Configured router connections
498 # For normal servers only one entry maybe configured to this section. It
499 # must be the router this server will be connected to. For router servers,
500 # this section includes all configured router connections. The first
501 # configured connection is the primary route. The Host (mandatory) specifies
502 # the remote hostname or IP address. The Port specifies the remote port
503 # to connect when Initiator is true. When Initiator is false the Port
504 # specifies the local port (listener port).
506 # The authentication data is specified by Passphrase and/or PublicKey.
507 # If both are provided then both password and public key based authentication
508 # is allowed. If the PublicKey is used it includes the file path to the
509 # public key file. If none of them is provided then authentication is not
512 # If you are the initiator of the connection then set the "Initiator"
513 # option to true. If you are the responder of the connection (waiting for
514 # incoming connection) then set it to false.
516 # If the connection is backup router connection then set the "BackupHost"
517 # option to the IP address of the router that the backup router will
518 # replace if it becomes unavailable. Set also the router's port to the
519 # "BackupPort" option. For normal connection leave both commented. If this
520 # backup router is in our cell then set the "BackupLocal" option to true.
521 # If the backup router is in other cell then set it to false.
526 Passphrase = "verysecret";
527 #PublicKey = "/path/to/the/public.pub";
530 #BackupHost = "10.2.1.6";
538 # These connections are denied to connect to our server.
540 # The "Reason" field is mandatory, while the "Host" field can be omitted to
544 # Host = "10.2.1.99";
545 # Reason = "Go away spammer";
549 # Reason = "You are not welcome.";