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# libsdp.conf - configuration file for libsdp
#
# $Id$
#
# Comments are starts with # and cause the entire line after it to be ignored.
# Any beginning whitespace is skipped. Any line that is empty is also skipped.
#
# There are 2 main types of statements supported by this configuration file:
# - "use" - which defines the address family to be used for the sockets that
# match the line
# - "log" - for setting logging related configuration. As the log settings
# takes immidiate effect we define these at the beggining of the file.
#
##############################################################################
# DEAFUALT SETTINGS:
# Please do not forget to comment if you want to change these.
# (the rest of this file explains the syntax and give examples)
#
# Get errors printed into the files /tmp/libsdp.log.<uid>/log
# or /var/log/<path> for root
log min-level 9 destination file libsdp.log
#
# By default we let all servers and client try SDP first.
# to exclude SDP add "use tcp" rules before these defaults.
use both server * *:*
use both client * *:*
#
#
##############################################################################
#
# LOG CONFIGURATION:
# ------------------
# The log directive allows the user to specify which and where debug and error
# messages get sent. The log statement format is:
# log [destination stderr|syslog|file <path>] [min-level <1-9>]
#
# destination - defines the destination of the log messages:
# stderr - messages will be forwarded to the stderr
# syslog - messages sent to the syslog service
# file <path> - messages will be written to the file /var/log/<path> for root.
# for regular user, if full path is requsted <path>.<uid>/log
# or /tmp/<path>.<uid>/log if no path is requested
# Due to security reasons, <path> must not be:
# 1. a soft link
# 2. owned by other user.
# 3. Other permissions except User permissions.
#
# min-level - defines the verbosity of the log:
# 9 - only errors are printed
# 8 - warnings
# 7 - connect and listen summary (useful for tracking SDP usage)
# 4 - positive match summary (useful for config file debug)
# 3 - negative match summary (useful for config file debug)
# 2 - function calls and return values
# 1 - debug messages
#
# Examples:
#
# Get SDP usage per connect and listen into stderr
# log min-level 7 destination stderr
#
# Send errors only into syslog
# log min-level 9 destination syslog
#
##############################################################################
#
# SOCKET ADDRESS FAMILY CONTROL:
# ------------------------------
# The socket control statements allows the user to specify when libsdp will
# replace AF_INET/SOCK_STREAM sockets with AF_SDP/SOCK_STREAM
# sockets. Each control statement specifies a matching rule that all its
# subexpressions must evaluate as true (logical and) to apply.
#
# The statements that control which type of sockets to open are made
# of the following:
# use <address-family> <role> <program name> <address|*>:<port range|*>
#
# <address-family> can be one of:
# "sdp" - for specifying when an SDP should be used
# "tcp" - for specifying when SDP socket should not be matched
# "both" - for specifying when both SDP and AF_INET sockets should be used.
#
# Note: that "both" semantics is different between "server" and "client" roles:
# For a "server" is means that the server will be listening on both sdp and tcp
# For a "client" the connect will prefer using sdp but will silently
# fall back to tcp if the sdp connection failed.
#
# <role> can be one of:
# "server" or "listen" - for defining the listening port address family
# "client" or "connect" - for defining the connected port address family
#
# <program-name|*> field:
# Defines the program name (not including the path) the rule applies to.
# Wildcards with same semantics as "ls" are supported (* and ?).
# So db2* would match on any program with a name starting with db2.
# t?cp would match on ttcp, etc.
# If not provided (default) the statement matches all programs.
#
# <address|*> means:
# Either the local address the server is bind to or the remote server
# address the client connects to. Syntax for address matching is:
# <IPv4 address>[/<prefix_length>]|*
# IPv4 address = [0-9]+\.[0-9]+\.[0-9]+\.[0-9]+ each sub number < 255
# prefix_length = [0-9]+ and with value <= 32. A prefix_length of 24
# matches the subnet mask 255.255.255.0 . A prefix_length of 32
# requires matching of the exact IP.
#
# <port range> is:
# start-port[-end-port] where port numbers are >0 and < 65536
#
# Rules are evaluated in order of definition. So the first match wins.
# If no match is made libsdp will default to "both".
#
# Examples:
#
# Use SDP by clients connecting to machines that belongs to subnet 192.168.1.*
# family role program address:port[-range]
# use sdp connect * 192.168.1.0/24:*
#
# Use SDP by ttcp when it connects to port 5001 of any machine
# family role program address:port[-range]
# use sdp listen ttcp *:5001
#
# Use TCP for any program with name starting with ttcp* serving ports 22 to 25
# family role program address:port[-range]
# use tcp server ttcp* *:22-25
#
# Listen on both TCP and SDP by any server that listen on port 8080
# family role program address:port[-range]
# use both server * *:8080
#
# Connect ssh through SDP and fallback to TCP to hosts on 11.4.8.* port 22
# family role program address:port[-range]
# use both connect * 11.4.8.0/24:22
#
# NOTE: If all "use" rules are commented SDP will take "simple SDP"
# mode and use SDP for all connections
#
##############################################################################
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