[syslog-ng] Problem sending logs to central log server..

Patrick H. syslogng at feystorm.net
Mon Sep 19 20:26:53 CEST 2011


In your server config, the only listener you have on udp port 514 is 
defined in src_eventdb, and all src_eventdb entries are commented out.

-Patrick


Sent: Mon Sep 19 2011 11:40:15 GMT-0600 (MST)
From: rek2 <rek2gnulinux at gmail.com>
To: syslog-ng at lists.balabit.hu
Subject: [syslog-ng] Problem sending logs to central log server..
> Hello, I'm trying to sent all my logs from one openbsd server with 
> syslog-ng to a linux ubuntu central log server also with syslog-ng of 
> course but only the syslog-ng logs are been logged..
> also when I do a "logger test" for example it gets log locally but not 
> remotely to the log server...
> here are my configs:
>
> for the log server is basically the defaul of ubuntu with my addtions 
> at the end.. you will see
> some commented is me trying to fix this issue.
>
>
> cat syslog-ng/syslog-ng.conf
> #
> # Configuration file for syslog-ng under Debian
> #
> # attempts at reproducing default syslog behavior
>
> # the standard syslog levels are (in descending order of priority):
> # emerg alert crit err warning notice info debug
> # the aliases "error", "panic", and "warn" are deprecated
> # the "none" priority found in the original syslogd configuration is
> # only used in internal messages created by syslogd
>
>
> ######
> # options
>
> options {
>         # disable the chained hostname format in logs
>         # (default is enabled)
>         chain_hostnames(0);
>
>         # the time to wait before a died connection is re-established
>         # (default is 60)
>         time_reopen(10);
>
>         # the time to wait before an idle destination file is closed
>         # (default is 60)
>         time_reap(360);
>
>         # the number of lines buffered before written to file
>         # you might want to increase this if your disk isn't catching with
>         # all the log messages you get or if you want less disk activity
>         # (say on a laptop)
>         # (default is 0)
>         #sync(0);
>
>         # the number of lines fitting in the output queue
>         log_fifo_size(2048);
>
>         # enable or disable directory creation for destination files
>         create_dirs(yes);
>
>         # default owner, group, and permissions for log files
>         # (defaults are 0, 0, 0600)
>         #owner(root);
>         group(adm);
>         perm(0640);
>
>         # default owner, group, and permissions for created directories
>         # (defaults are 0, 0, 0700)
>         #dir_owner(root);
>         #dir_group(root);
>         dir_perm(0755);
>
>         # enable or disable DNS usage
>         # syslog-ng blocks on DNS queries, so enabling DNS may lead to
>         # a Denial of Service attack
>         # (default is yes)
>         use_dns(yes);
>
>         # maximum length of message in bytes
>         # this is only limited by the program listening on the 
> /dev/log Unix
>         # socket, glibc can handle arbitrary length log messages, but 
> -- for
>         # example -- syslogd accepts only 1024 bytes
>         # (default is 2048)
>         #log_msg_size(2048);
>
>         #Disable statistic log messages.
>         stats_freq(0);
>
>         # Some program send log messages through a private implementation.
>         # and sometimes that implementation is bad. If this happen 
> syslog-ng
>         # may recognise the program name as hostname. Whit this option
>         # we tell the syslog-ng that if a hostname match this regexp 
> than that
>         # is not a real hostname.
>         bad_hostname("^gconfd$");
>         keep_hostname (yes);
>
> };
>
>
> ######
> # sources
>
> # all known message sources
> source s_all {
>         # message generated by Syslog-NG
>         internal();
>         # standard Linux log source (this is the default place for the 
> syslog()
>         # function to send logs to)
>         unix-stream("/dev/log");
>         # messages from the kernel
>         file("/proc/kmsg" log_prefix("kernel: "));
>         # use the following line if you want to receive remote UDP 
> logging messages
>         # (this is equivalent to the "-r" syslogd flag)
>         # udp();
> };
>
>
> ######
> # destinations
>
> # some standard log files
> destination df_auth { file("/var/log/auth.log"); };
> destination df_syslog { file("/var/log/syslog"); };
> destination df_cron { file("/var/log/cron.log"); };
> destination df_daemon { file("/var/log/daemon.log"); };
> destination df_kern { file("/var/log/kern.log"); };
> destination df_lpr { file("/var/log/lpr.log"); };
> destination df_mail { file("/var/log/mail.log"); };
> destination df_user { file("/var/log/user.log"); };
> destination df_uucp { file("/var/log/uucp.log"); };
>
> # these files are meant for the mail system log files
> # and provide re-usable destinations for {mail,cron,...}.info,
> # {mail,cron,...}.notice, etc.
> destination df_facility_dot_info { file("/var/log/$FACILITY.info"); };
> destination df_facility_dot_notice { file("/var/log/$FACILITY.notice"); };
> destination df_facility_dot_warn { file("/var/log/$FACILITY.warn"); };
> destination df_facility_dot_err { file("/var/log/$FACILITY.err"); };
> destination df_facility_dot_crit { file("/var/log/$FACILITY.crit"); };
>
> # these files are meant for the news system, and are kept separated
> # because they should be owned by "news" instead of "root"
> destination df_news_dot_notice { file("/var/log/news/news.notice" 
> owner("news")); };
> destination df_news_dot_err { file("/var/log/news/news.err" 
> owner("news")); };
> destination df_news_dot_crit { file("/var/log/news/news.crit" 
> owner("news")); };
>
> # some more classical and useful files found in standard syslog 
> configurations
> destination df_debug { file("/var/log/debug"); };
> destination df_messages { file("/var/log/messages"); };
>
> # pipes
> # a console to view log messages under X
> destination dp_xconsole { pipe("/dev/xconsole"); };
>
> # consoles
> # this will send messages to everyone logged in
> destination du_all { usertty("*"); };
>
>
> ######
> # filters
>
> # all messages from the auth and authpriv facilities
> filter f_auth { facility(auth, authpriv); };
>
> # all messages except from the auth and authpriv facilities
> filter f_syslog { not facility(auth, authpriv); };
>
> # respectively: messages from the cron, daemon, kern, lpr, mail, news, 
> user,
> # and uucp facilities
> filter f_cron { facility(cron); };
> filter f_daemon { facility(daemon); };
> filter f_kern { facility(kern); };
> filter f_lpr { facility(lpr); };
> filter f_mail { facility(mail); };
> filter f_news { facility(news); };
> filter f_user { facility(user); };
> filter f_uucp { facility(uucp); };
>
> # some filters to select messages of priority greater or equal to 
> info, warn,
> # and err
> # (equivalents of syslogd's *.info, *.warn, and *.err)
> filter f_at_least_info { level(info..emerg); };
> filter f_at_least_notice { level(notice..emerg); };
> filter f_at_least_warn { level(warn..emerg); };
> filter f_at_least_err { level(err..emerg); };
> filter f_at_least_crit { level(crit..emerg); };
>
> # all messages of priority debug not coming from the auth, authpriv, 
> news, and
> # mail facilities
> filter f_debug { level(debug) and not facility(auth, authpriv, news, 
> mail); };
>
> # all messages of info, notice, or warn priority not coming form the auth,
> # authpriv, cron, daemon, mail, and news facilities
> filter f_messages {
>         level(info,notice,warn)
>             and not facility(auth,authpriv,cron,daemon,mail,news);
> };
>
> # messages with priority emerg
> filter f_emerg { level(emerg); };
>
> # complex filter for messages usually sent to the xconsole
> filter f_xconsole {
>     facility(daemon,mail)
>         or level(debug,info,notice,warn)
>         or (facility(news)
>                 and level(crit,err,notice));
> };
>
>
> ######
> # logs
> # order matters if you use "flags(final);" to mark the end of 
> processing in a
> # "log" statement
>
> # these rules provide the same behavior as the commented original 
> syslogd rules
>
> # auth,authpriv.*                 /var/log/auth.log
> log {
>         source(s_all);
>         filter(f_auth);
>         destination(df_auth);
> };
>
> # *.*;auth,authpriv.none          -/var/log/syslog
> log {
>         source(s_all);
>         filter(f_syslog);
>         destination(df_syslog);
> };
>
> # this is commented out in the default syslog.conf
> # cron.*                         /var/log/cron.log
> #log {
> #        source(s_all);
> #        filter(f_cron);
> #        destination(df_cron);
> #};
>
> # daemon.*                        -/var/log/daemon.log
> log {
>         source(s_all);
>         filter(f_daemon);
>         destination(df_daemon);
> };
>
> # kern.*                          -/var/log/kern.log
> log {
>         source(s_all);
>         filter(f_kern);
>         destination(df_kern);
> };
>
> # lpr.*                           -/var/log/lpr.log
> log {
>         source(s_all);
>         filter(f_lpr);
>         destination(df_lpr);
> };
>
> # mail.*                          -/var/log/mail.log
> log {
>         source(s_all);
>         filter(f_mail);
>         destination(df_mail);
> };
>
> # user.*                          -/var/log/user.log
> log {
>         source(s_all);
>         filter(f_user);
>         destination(df_user);
> };
>
> # uucp.*                          /var/log/uucp.log
> log {
>         source(s_all);
>         filter(f_uucp);
>         destination(df_uucp);
> };
>
> # mail.info <http://mail.info>                       
> -/var/log/mail.info <http://mail.info>
> log {
>         source(s_all);
>         filter(f_mail);
>         filter(f_at_least_info);
>         destination(df_facility_dot_info);
> };
>
> # mail.warn                       -/var/log/mail.warn
> log {
>         source(s_all);
>         filter(f_mail);
>         filter(f_at_least_warn);
>         destination(df_facility_dot_warn);
> };
>
> # mail.err                        /var/log/mail.err
> log {
>         source(s_all);
>         filter(f_mail);
>         filter(f_at_least_err);
>         destination(df_facility_dot_err);
> };
>
> # news.crit                       /var/log/news/news.crit
> log {
>         source(s_all);
>         filter(f_news);
>         filter(f_at_least_crit);
>         destination(df_news_dot_crit);
> };
>
> # news.err                        /var/log/news/news.err
> log {
>         source(s_all);
>         filter(f_news);
>         filter(f_at_least_err);
>         destination(df_news_dot_err);
> };
>
> # news.notice                     /var/log/news/news.notice
> log {
>         source(s_all);
>         filter(f_news);
>         filter(f_at_least_notice);
>         destination(df_news_dot_notice);
> };
>
>
> # *.=debug;\
> #         auth,authpriv.none;\
> #         news.none;mail.none     -/var/log/debug
> log {
>         source(s_all);
>         filter(f_debug);
>         destination(df_debug);
> };
>
>
> # *.=info;*.=notice;*.=warn;\
> #         auth,authpriv.none;\
> #         cron,daemon.none;\
> #         mail,news.none          -/var/log/messages
> log {
>         source(s_all);
>         filter(f_messages);
>         destination(d_eventdb);
> };
>
> # *.emerg                         *
> log {
>         source(s_all);
>         filter(f_emerg);
>         destination(du_all);
> };
>
>
> # daemon.*;mail.*;\
> #         news.crit;news.err;news.notice;\
> #         *.=debug;*.=info;\
> #         *.=notice;*.=warn       |/dev/xconsole
> log {
>         source(s_all);
>         filter(f_xconsole);
>         destination(dp_xconsole);
> };
> #syslog-ng2mysql destinations
>
> source src_eventdb {
>     unix-stream("/dev/log");
>     udp(ip(0.0.0.0) port(514));
> };
>
> destination d_eventdb {
>     pipe(
>         "/usr/local/icinga/var/rw/syslog-ng.pipe",
>         
> template("$HOST\t$SOURCEIP\t$PRI\t$YEAR-$MONTH-$DAY\t$HOUR:$MIN:$SEC\t$PROGRAM\t$MSG\n")
>         template_escape(no)
>     );
> };
>
> filter f_at_least_warn {
> #    level(warn..emerg);
>      level(notice..emerg);
> };
>
> log {
> #    source(src_eventdb);
>     filter(f_at_least_warn);
> #     filter(f_syslog);
>     destination(d_eventdb);
> };
>
> #log {
> #        source(src_eventdb);
> #        filter(f_auth);
> #        destination(d_eventdb);
> #};
>
>
>
> HERE FOR THE BSD/CLIENT SIDE: same here is the default with openbsd 
> syslog-ng install
> with my additions at the end.
>
> cat /etc/syslog-ng.conf
> #
> # Syslog-ng example configuration for for Debian GNU/Linux
> #
> # Copyright (c) 1999 anonymous
> # Copyright (c) 1999 Balazs Scheidler
> # $Id: syslog-ng.conf.sample,v 1.3 2003/05/20 08:57:27 asd Exp $
> #
> # Syslog-ng configuration file, compatible with default Debian syslogd
> # installation.
> #
>
> options { long_hostnames(off); sync(0); keep_hostname(yes); 
> use_dns(yes); stats (3600); };
>
> #source src { unix-stream("/dev/log"); internal(); };
> source src { unix-dgram("/dev/log"); internal(); };
> source net { udp(); };
>
> destination authlog { file("/var/log/auth.log"); };
> destination syslog { file("/var/log/syslog"); };
> destination cron { file("/var/log/cron.log"); };
> destination daemon { file("/var/log/daemon.log"); };
> destination kern { file("/var/log/kern.log"); };
> destination lpr { file("/var/log/lpr.log"); };
> destination user { file("/var/log/user.log"); };
> destination uucp { file("/var/log/uucp.log"); };
> destination ppp { file("/var/log/ppp.log"); };
> destination mail { file("/var/log/mail.log"); };
>
> destination mailinfo { file("/var/log/mail.info <http://mail.info>"); };
> destination mailwarn { file("/var/log/mail.warn"); };
> destination mailerr { file("/var/log/mail.err"); };
>
> destination newscrit { file("/var/log/news/news.crit"); };
> destination newserr { file("/var/log/news/news.err"); };
> destination newsnotice { file("/var/log/news/news.notice"); };
>
> destination debug { file("/var/log/debug"); };
> destination messages { file("/var/log/messages"); };
> destination console { usertty("root"); };
> destination console_all { file("/dev/tty12"); };
> #destination loghost { udp("loghost" port(999)); };
>
>
> destination xconsole { pipe("/dev/xconsole"); };
>
>
> #ssh filter
> filter f_sshderr    { match('^sshd\[[0-9]+\]: error:'); };
> filter f_sshd       { match('^sshd\[[0-9]+\]:'); };
> #
> filter f_auth { facility(auth); };
> filter f_authpriv { facility(auth, authpriv); };
> filter f_syslog { not facility(authpriv, mail); };
> filter f_cron { facility(cron); };
> filter f_daemon { facility(daemon); };
> filter f_kern { facility(kern); };
> filter f_lpr { facility(lpr); };
> filter f_mail { facility(mail); };
> filter f_user { facility(user); };
> filter f_uucp { facility(cron); };
> filter f_ppp { facility(local2); };
> filter f_news { facility(news); };
> filter f_debug { not facility(auth, authpriv, news, mail); };
> filter f_messages { level(info..warn)
>         and not facility(auth, authpriv, mail, news); };
> filter f_emergency { level(emerg); };
>
> filter f_info { level(info); };
> filter f_notice { level(notice); };
> filter f_warn { level(warn); };
> filter f_crit { level(crit); };
> filter f_err { level(err); };
>
> log { source(src); filter(f_authpriv); destination(authlog); };
> log { source(src); filter(f_syslog); destination(syslog); };
> log { source(src); filter(f_cron); destination(cron); };
> log { source(src); filter(f_daemon); destination(daemon); };
> log { source(src); filter(f_kern); destination(kern); };
> log { source(src); filter(f_lpr); destination(lpr); };
> log { source(src); filter(f_mail); destination(mail); };
> log { source(src); filter(f_user); destination(user); };
> log { source(src); filter(f_uucp); destination(uucp); };
> log { source(src); filter(f_mail); filter(f_info); 
> destination(mailinfo); };
> log { source(src); filter(f_mail); filter(f_warn); 
> destination(mailwarn); };
> log { source(src); filter(f_mail); filter(f_err); destination(mailerr); };
> log { source(src); filter(f_news); filter(f_crit); 
> destination(newscrit); };
> log { source(src); filter(f_news); filter(f_err); destination(newserr); };
> log { source(src); filter(f_news); filter(f_notice); 
> destination(newsnotice); };
> log { source(src); filter(f_debug); destination(debug); };
> log { source(src); filter(f_messages); destination(messages); };
> log { source(src); filter(f_emergency); destination(console); };
> log { source(src); filter(f_ppp); destination(ppp); };
> log { source(src); destination(console_all); };
>
> #sent to our central log server running eventdb
> destination loghost { udp("192.168.xxx.xxx" port(514)); };
> log { source(src); filter(f_info); destination(loghost); };
> log { source(src); filter(f_syslog); destination(loghost); };
> log { source(src); filter(f_authpriv); destination(loghost); };
> log { source(src); filter(f_user); destination(loghost); };
> log { source(src); filter(f_emergency); destination(loghost); };
> log { source(src); filter(f_sshd); destination(loghost); };
> log { source(src); filter(f_sshderr); destination(loghost); };
> log { source(src); filter(f_kern); destination(loghost); };
>
>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation: http://www.balabit.com/support/documentation/?product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
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