AFPD.CONF(5) | Netatalk 2.2 | AFPD.CONF(5) |
NAME¶
afpd.conf - Configuration file used by afpd(8) to determine the setup of its file sharing servicesDESCRIPTION¶
/etc/netatalk/afpd.conf is the configuration file used by afpd to determine the behavior and configuration of the different virtual file servers that it provides. Any line not prefixed with # is interpreted. The configuration lines are composed like: server name [ options ] If a - is used instead of a server name, the default server is specified. Server names must be quoted if they contain spaces. They must not contain ":" or "@". The path name must be a fully qualified path name, or a path name using either the ~ shell shorthand or any of the substitution variables, which are listed below.APPLEVOLUMES FILES¶
-defaultvol [path]Specifies path to AppleVolumes.default file
(default is /etc/netatalk/AppleVolumes.default).
-systemvol [path]
Specifies path to AppleVolumes.system file
(default is /etc/netatalk/AppleVolumes.system).
-[no]uservol
Enables or disables reading of the users´
individual volumes file entirely.
-[no]uservolfirst
Enables or disables reading of the users´
individual volumes file before processing the global AppleVolumes.default
file.
AUTHENTICATION METHODS¶
-uamlist [uams list]Comma separated list of UAMs. (The default is
uams_dhx.so,uams_dhx2.so).
The most commonly used UAMs are:
uams_guest.so
-uampath [path]
allows guest logins
uams_clrtxt.so
(uams_pam.so or uams_passwd.so) Allow logins
with passwords transmitted in the clear. (legacy)
uams_randum.so
allows Random Number and Two-Way Random Number
Exchange for authentication (requires a separate file containing the
passwords, either /etc/netatalk/afppasswd file or the one specified via
-passwdfile. See afppasswd(1) for details. (legacy)
uams_dhx.so
(uams_dhx_pam.so or uams_dhx_passwd.so) Allow
Diffie-Hellman eXchange (DHX) for authentication.
uams_dhx2.so
(uams_dhx2_pam.so or uams_dhx2_passwd.so)
Allow Diffie-Hellman eXchange 2 (DHX2) for authentication.
uam_gss.so
Allow Kerberos V for authentication
(optional)
Sets the default path for UAMs for this server
(default is /etc/netatalk/uams).
-k5keytab [path], -k5service [service], -k5realm [realm]
These are required if the server supports the
Kerberos 5 authentication UAM.
-ntdomain, -ntseparator
Use for eg. winbind authentication, prepends
both strings before the username from login and then tries to authenticate
with the result through the availabel and active UAM authentication
modules.
-adminauthuser
Specifying eg -adminauthuser root
whenever a normal user login fails, afpd will try to authenticate as the
specified adminauthuser. If this succeeds, a normal session is created
for the original connecting user. Said differently: if you know the password
of adminauthuser, you can authenticate as any other user.
CODEPAGE OPTIONS¶
With OS X Apple introduced the AFP3 protocol. One of the big changes was, that AFP3 uses Unicode names encoded as Decomposed UTF-8 (UTF8-MAC). Previous AFP/OS versions used codepages like MacRoman, MacCentralEurope, etc. To be able to serve AFP3 and older clients at the same time, afpd needs to be able to convert between UTF-8 and Mac codepages. Even OS X clients partly still rely on codepages. As there´s no way, afpd can detect the codepage a pre AFP3 client uses, you have to specify it using the -maccodepage option. The default is MacRoman, which should be fine for most western users. As afpd needs to interact with unix operating system as well, it need´s to be able to convert from UTF8-MAC/MacCodepage to the unix codepage. By default afpd uses the systems LOCALE, or ASCII if your system doesn´t support locales. You can set the unix codepage using the -unixcodepage option. If you´re using extended characters in the configuration files for afpd, make sure your terminal matches the -unixcodepage. -unixcodepage [ CODEPAGE]Specifies the servers unix codepage, e.g.
"ISO-8859-15" or "UTF8". This is used to convert strings
to/from the systems locale, e.g. for authenthication, server messages and
volume names. Defaults to LOCALE if your system supports it, otherwise ASCII
will be used.
-maccodepage [ CODEPAGE]
Specifies the mac clients codepage, e.g.
"MAC_ROMAN". This is used to convert strings and filenames to the
clients codepage for OS9 and Classic, i.e. for authentication and AFP messages
(SIGUSR2 messaging). This will also be the default for the volumes maccharset.
Defaults to MAC_ROMAN.
PASSWORD OPTIONS¶
-loginmaxfail [ number]Sets the maximum number of failed logins, if
supported by the UAM (currently none)
-passwdfile [ path]
Sets the path to the Randnum UAM passwd file
for this server (default is /etc/netatalk/afppasswd).
-passwdminlen [ number]
Sets the minimum password length, if supported
by the UAM
-[no]savepassword
Enables or disables the ability of clients to
save passwords locally
-[no]setpassword
Enables or disables the ability of clients to
change their passwords via chooser or the "connect to server"
dialog
TRANSPORT PROTOCOLS¶
-[no]ddpEnables or disables AFP-over-Appletalk. If
-proxy is specified, you must instead use -uamlist ""
to prevent DDP connections from working. (default is -noddp)
-[no]tcp
Enables or disables AFP-over-TCP (default is
-tcp)
-transall
Make both available
TRANSPORT OPTIONS¶
-advertise_sshAllows Mac OS X clients (10.3.3-10.4) to
automagically establish a tunneled AFP connection through SSH. If this option
is set, the server´s answers to client´s FPGetSrvrInfo requests
contain an additional entry. It depends on both client´s settings and a
correctly configured and running sshd(8) on the server to let things
work.
Note
Setting this option is not recommended since globally encrypting AFP connections
via SSH will increase the server´s load significantly. On the other hand,
Apple´s client side implementation of this feature in MacOS X versions
prior to 10.3.4 contained a security flaw.
-ddpaddr [ddp address]
Specifies the DDP address of the server. The
default is to auto-assign an address (0.0). This is only useful if you are
running AppleTalk on more than one interface.
-fqdn [name:port]
Specifies a fully-qualified domain name, with
an optional port. This is discarded if the server cannot resolve it. This
option is not honored by AppleShare clients <= 3.8.3. This option is
disabled by default. Use with caution as this will involve a second name
resolution step on the client side. Also note that afpd will advertise this
name:port combination but not automatically listen to it.
-hostname [name]
Use this instead of the result from calling
hostname for dertermening which IP address to advertise, therfore the hostname
is resolved to an IP which is the advertised. This is NOT used for listening
and it is also overwritten by -ipaddr.
-ipaddr [ip address]
Specifies the IP address that the server
should advertise and listens to. The default is advertise the first IP
address of the system, but to listen for any incoming request. The network
address may be specified either in dotted-decimal format for IPv4 or in
hexadecimal format for IPv6. This option also allows to use one machine to
advertise the AFP-over-TCP/IP settings of another machine via NBP when used
together with the -proxy option.
Example. afpd.conf onfiguration line
Result
(UTF8) Server name: fluxxus, Listening and advertised network address:
192.168.0.1, Advertised network address: www.example.com, hostname is not
used.
-port [port number]
fluxxus -hostname afp.example.org -ipaddr 192.168.0.1 -fqdn www.example.com
Allows a different TCP port to be used for
AFP-over-TCP. The default is 548.
-proxy
Runs an AppleTalk proxy server for the
specified AFP-over-TCP server. If the address and port aren´t given, then
the first IP address of the system and port 548 will be used. If you
don´t want the proxy server to act as a DDP server as well, set
-uamlist "".
-server_quantum [number]
This specifies the DSI server quantum. The
default value is 303840. The maximum value is 0xFFFFFFFFF, the minimum is
32000. If you specify a value that is out of range, the default value will be
set. Do not change this value unless you´re absolutely sure, what
you´re doing
-dsireadbuf [number]
Scale factor that determines the size of the
DSI/TCP readahead buffer, default is 12. This is multiplies with the DSI
server quantum (default ~300k) to give the size of the buffer. Increasing this
value might increase throughput in fast local networks for volume to volume
copies. Note: This buffer is allocated per afpd child process, so
specifying large values will eat up large amount of memory (buffer size *
number of clients).
-tcprcvbuf [number]
Try to set TCP receive buffer using
setsockpt(). Often OSes impose restrictions on the applications ability to set
this value.
-tcpsndbuf [number]
Try to set TCP send buffer using setsockpt().
Often OSes impose restrictions on the applications ability to set this
value.
-nozeroconf
Disable automatic Zeroconf service
registration if support was compiled in.
-slp
Register this server using the Service
Location Protocol (if SLP support was compiled in).
MISCELLANEOUS OPTIONS¶
-admingroup [group]Allows users of a certain group to be seen as
the superuser when they log in. This option is disabled by default.
-authprintdir [path]
Specifies the path to be used (per server) to
store the files required to do CAP-style print authentication which papd will
examine to determine if a print job should be allowed. These files are created
at login and if they are to be properly removed, this directory probably needs
to be umode 1777.
Note
-authprintdir will only work for clients connecting via DDP. Almost all
modern Clients will use TCP.
-client_polling
With this switch enabled, afpd won´t
advertise that it is capable of server notifications, so that connected
clients poll the server every 10 seconds to detect changes in opened server
windows. Note: Depending on the number of simultaneously connected
clients and the network´s speed, this can lead to a significant higher
load on your network!
Note
Do not use this option any longer as Netatalk 2.x correctly supports server
notifications, allowing connected clients to update folder listings in case
another client changed the contents.
-closevol
Immediately unmount volumes removed from
AppleVolumes files on SIGHUP sent to the afp master process.
-cnidserver [ipaddress:port]
Specifies the IP address and port of a
cnid_metad server, required for CNID dbd backend. Defaults to localhost:4700.
The network address may be specified either in dotted-decimal format for IPv4
or in hexadecimal format for IPv6.-
-dircachesize entries
Maximum possible entries in the directory
cache. The cache stores directories and files. It is used to cache the full
path to directories and CNIDs which considerably speeds up directory
enumeration.
Default size is 8192, maximum size is 131072. Given value is rounded up to
nearest power of 2. Each entry takes about 100 bytes, which is not much, but
remember that every afpd child process for every connected user has its
cache.
-fcelistener host[:port]
Enables sending FCE events to the specified
host, default port is 12250 if not specified. Specifying
mutliple listeners is done by having this option once for each of them.
-fceevents fmod,fdel,ddel,fcre,dcre,tmsz
Speficies which FCE events are active, default
is fmod,fdel,ddel,fcre,dcre.
-fcecoalesce all|delete|create
Coalesce FCE events.
-fceholdfmod seconds
This determines the time delay in seconds
which is always waited if another file modification for the same file is done
by a client before sending an FCE file modification event (fmod). For example
saving a file in Photoshop would generate multiple events by itself because
the application is opening, modifying and closing a file mutliple times for
every "save". Defautl: 60 seconds.
-guestname [name]
Specifies the user that guests should use
(default is "nobody"). The name should be quoted.
-[no]icon
[Don´t] Use the platform-specific icon.
Recent Mac OS don´t display it any longer.
-keepsessions
Enable "Continuous AFP Service".
This means the ability to stop the master afpd process with a SIGQUIT signal,
possibly install an afpd update and start the afpd process. Existing AFP
sessions afpd processes will remain unaffected. Technically they will be
notified of the master afpd shutdown, sleep 15-20 seconds and then try to
reconnect their IPC channel to the master afpd process. If this reconnect
fails, the sessions are in an undefined state. Therefor it´s absolutely
critical to restart the master process in time!
-loginmesg [message]
Sets a message to be displayed when clients
logon to the server. The message should be in unixcodepage and should
be quoted. Extended characters are allowed.
-mimicmodel model
Specifies the icon model that appears on
clients. Defaults to off. Examples: RackMac (same as Xserve), PowerBook,
PowerMac, Macmini, iMac, MacBook, MacBookPro, MacBookAir, MacPro, AppleTV1,1,
AirPort.
-noacl2maccess
Don´t map filesystem ACLs to effective
permissions.
-nodebug
Disables debugging.
-sleep [number]
AFP 3.x waits number hours before
disconnecting clients in sleep mode. Default is 10 hours.
-signature { user:<text> | auto }
Specify a server signature. This option is
useful while running multiple independent instances of afpd on one machine
(eg. in clustered environments, to provide fault isolation etc.). Default is
"auto". "auto" signature type allows afpd generating
signature and saving it to /etc/netatalk/afp_signature.conf automatically
(based on random number). "host" signature type switches back to
"auto" because it is obsoleted. "user" signature type
allows administrator to set up a signature string manually. The maximum length
is 16 characters.
Example. Three server definitions using 2 different server
signatures
First two servers will appear as one logical AFP service to the clients - if
user logs in to first one and then connects to second one, session will be
automatically redirected to the first one. But if client connects to first and
then to third, will be asked for password twice and will see resources of both
servers. Traditional method of signature generation causes two independent
afpd instances to have the same signature and thus cause clients to be
redirected automatically to server (s)he logged in first.
-volnamelen [number]
first -signature user:USERS second -signature user:USERS third -signature user:ADMINS
Max length of UTF8-MAC volume name for Mac OS
X. Note that Hangul is especially sensitive to this.
Mac OS 9 and earlier are not influenced by this, because Maccharset volume name
is always limitted to 27 bytes.
73: limit of Mac OS X 10.1 80: limit for Mac OS X 10.4/10.5 (default) 255: limit of spec
LOGGING OPTIONS¶
-setuplog " <logtype> <loglevel> [<filename>]"Specify that any message of a loglevel up to
the given loglevel should be logged to the given file. If the filename
is ommited the loglevel applies to messages passed to syslog.
By default (no explicit -setuplog and no buildtime configure flag
--with-logfile) afpd logs to syslog with a default logging setup
equivalent to "-setuplog default log_info".
If build with --with-logfile (default logfile
/var/log/netatalk.log) or --with-logfile=somefile afpd defaults
to a setup that is equivalent to " -setuplog default log_info
[ netatalk.log|somefile]".
logtypes: Default, AFPDaemon, Logger, UAMSDaemon
loglevels: LOG_SEVERE, LOG_ERROR, LOG_WARN, LOG_NOTE, LOG_INFO, LOG_DEBUG,
LOG_DEBUG6, LOG_DEBUG7, LOG_DEBUG8, LOG_DEBUG9, LOG_MAXDEBUG
Note
The config is case-ignoring
Example. Useful default config
Example. Debugging config
Example. afpd logging to different files
-unsetuplog " <logtype> [<filename>]"
- -setuplog "default log_info /var/log/afpd.log"
- -setuplog "default log_maxdebug /var/log/afpd.log"
- -setuplog "default log_info /var/log/afpd.log" \ -setuplog "UAMSDaemon log_maxdebug /var/log/uams.log"
Note that for unsetuplog specifying any
string as filename is sufficient for the config parser to distinguish between
requests to disable syslog logging or file-logging.
Example. Disable afpd logging set at build-time from configure
- -unsetuplog "default -"
DEBUG OPTIONS¶
These options are useful for debugging only. -tickleval [number]Sets the tickle timeout interval (in seconds).
Defaults to 30.
-timeout [number]
Specify the number of tickles to send before
timing out a connection. The default is 4, therefore a connection will timeout
after 2 minutes.
EXAMPLES¶
Example. afpd.conf default configuration- -tcp -noddp -uamlist uams_dhx.so,uams_dhx2.so -nosavepassword
- -maccodepage mac_cyrillic -unixcodepage utf8
- -uamlist uams_dhx.so,uams_dhx2.so,uams_guest.so,uams_gss.so \ -k5service afpserver -k5keytab /path/to/afpserver.keytab \ -k5realm YOUR.REALM -fqdn your.fqdn.namel:548
"Guest Server" -uamlist uams_guest.so -loginmesg "Welcome guest!" "User Server" -uamlist uams_dhx2.so -port 12000 "special" -ddp -notcp -defaultvol <path> -systemvol <path>
SEE ALSO¶
afpd(8), afppasswd(1), AppleVolumes.default(5), afp_signature.conf(5), cnid_metad(8)15 Aug 2011 | Netatalk 2.2 |