[syslog-ng] syslog-ng won't log to syslog server

[Geller, Sandor (IT)]

Hi,

> #
> # This sample configuration file is essentially equilivent to
> the stock
> # FreeBSD /etc/syslog.conf file.
> #
>
> #
> # options
> #
> options { long_hostnames(off); sync(0); };
>
> #
> # sources
> #
> source src { unix-dgram("/var/run/log");
>              unix-dgram("/var/run/logpriv" perm(0600));
>          udp(); internal(); file("/dev/klog"); };

You have a single source definition having multiple sources. As
syslog-ng can't differentiate between these sources later, all
logs arriving from any of the sources above would give a match.
So I'd recomment moving at least the udp() source to a separate
source definition, like

source src {
        unix-dgram("/var/run/log");
        unix-dgram("/var/run/logpriv" perm(0600));
        internal();
        file("/dev/klog");
};

source s_remote {
        udp();
        tcp();
};

And use these sources in the log sections. This way syslog-ng can
distinguish between the locally- and the remotely-generated logs.

> #
> # destinations
> #
> #destination local0.info {
> #file("/var/log/remote/servers/$HOST/$YEAR/$MONTH/$DAY/pflogd/
pflogd.log"
> #owner(root) group(root) perm(0600) dir_perm(0700) create_dirs(yes)
> #);
> #};
>
>
> destination messages { file("/var/log/remote/messages"); };
> destination localhost { file("/var/log/remote/syslog-ng.all"); };
> destination security { file("/var/log/remote/security"); };
> destination authlog { file("/var/log/remote/auth.log"); };
> destination maillog { file("/var/log/remote/maillog"); };
> destination lpd-errs { file("/var/log/remote/lpd-errs"); };
> destination xferlog { file("/var/log/remote/xferlog"); };
> destination cron { file("/var/log/remote/cron"); };
> destination debuglog { file("/var/log/remote/debug.log"); };
> destination consolelog { file("/var/log/remote/console.log"); };
> destination all { file("/var/log/remote/all.log"); };
> 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 slip { file("/var/log/remote/slip.log"); };
> destination ppp { file("/var/log/remote/ppp.log"); };
> destination console { file("/dev/console"); };
> destination allusers { usertty("*"); };
> #destination loghost { udp("loghost" port(514)); };
> #destination local0 { file("/var/log/remote/pflog.txt"); };
> destination local0 { file("/var/log/remote/local0.log"); };
> #destination local1 { file("/var/log/remote/alert"); };
> destination local1 { file("/var/log/remote/local1.log"); };
>
> #log {
> #         source(tcp); source(internal); source(udp); source(unix);
> #         source(s_tcp); source(s_internal); source(s_udp);
> source(s_unix);
> #         filter(f_local0); filter(f_local1);
> #         destination(df_local1);
> # };

In this commented part you have two filters which mutually exclude
each other. As syslog-ng uses logical and operation this log section
won't work.


> #
> # log facility filters
> #
> filter f_auth { facility(auth); };
> filter f_authpriv { facility(authpriv); };
> filter f_not_authpriv { not facility(authpriv); };
> filter f_console { facility(console); };
> filter f_cron { facility(cron); };
> filter f_daemon { facility(daemon); };
> filter f_ftp { facility(ftp); };
> filter f_kern { facility(kern); };
> filter f_lpr { facility(lpr); };
> filter f_mail { facility(mail); };
> filter f_news { facility(news); };
> filter f_security { facility(security); };

You should remove security. It's just an alias to auth

> filter f_user { facility(user); };
> filter f_uucp { facility(uucp); };
> #filter f_local0 { facility(local0); };
> #filter f_local00 { facility(local0); };
> #filter f_local1 { facility(local1); };
> #filter f_local01 { facility(local1) or facility(local1); };
> filter f_local2 { facility(local2); };
> filter f_local3 { facility(local3); };
> filter f_local4 { facility(local4); };
> filter f_local5 { facility(local5); };
> filter f_local6 { facility(local6); };
> filter f_local7 { facility(local7); };
>
> #
> # log level filters
> #
> filter f_emerg { level(emerg); };
> filter f_alert { level(alert..emerg); };
> filter f_crit { level(crit..emerg); };
> filter f_err { level(err..emerg); };
> filter f_warning { level(warning..emerg); };
> filter f_notice { level(notice..emerg); };
> filter f_info { level(info..emerg); };
> filter f_debug { level(debug..emerg); };
> filter f_is_debug { level(debug); };
>
> #
> # program filters
> #
> filter f_ppp { program("ppp"); };
> filter f_slip { program("startslip"); };

Better to use anchors to avoid false matches: program("^ppp$")

> #
> # *.err;kern.warning;auth.notice;mail.crit        /dev/console
> #
> log { source(src); filter(f_err); destination(console); };
> log { source(src); filter(f_kern); filter(f_warning);
> destination(console); };
> log { source(src); filter(f_auth); filter(f_notice);
> destination(console); };
> log { source(src); filter(f_mail); filter(f_crit);
> destination(console); };
>
> #
> #
> *.notice;authpriv.none;kern.debug;lpr.info;mail.crit;news.err
>    /var/log/messages
> #
> log { source(src); filter(f_notice); filter(f_not_authpriv);
> destination(messages); };
> log { source(src); filter(f_kern); filter(f_debug);
> destination(messages); };
> log { source(src); filter(f_lpr); filter(f_info);
> destination(messages); };
> log { source(src); filter(f_mail); filter(f_crit);
> destination(messages); };
> log { source(src); filter(f_news); filter(f_err);
> destination(messages); };
>
> #
> # security.*                        /var/log/security
> #
> log { source(src); filter(f_security); destination(security); };
>
> #
> # auth.info;authpriv.info                /var/log/auth.log
> log { source(src); filter(f_auth); filter(f_info);
> destination(authlog); };
> log { source(src); filter(f_authpriv); filter(f_info);
> destination(authlog); };
>
> #
> # mail.info                        /var/log/maillog
> #
> log { source(src); filter(f_mail); filter(f_info);
> destination(maillog); };
>
> #
> # lpr.info                        /var/log/lpd-errs
> #
> log { source(src); filter(f_lpr); filter(f_info);
> destination(lpd-errs); };
>
> #
> # ftp.info                        /var/log/xferlog
> #
> log { source(src); filter(f_ftp); filter(f_info);
> destination(xferlog); };
>
> #
> # cron.*                        /var/log/cron
> #
> log { source(src); filter(f_cron); destination(cron); };
>
> #
> # *.=debug                        /var/log/debug.log
> #
> log { source(src); filter(f_is_debug); destination(debuglog); };
>
> #
> # *.emerg                        *
> #
> log { source(src); filter(f_emerg); destination(allusers); };
>
> #
> # uncomment this to log all writes to /dev/console to
> /var/log/console.log
> # console.info                        /var/log/console.log
> #
> #log { source(src); filter(f_console); filter(f_info);
> destination(consolelog); };
>
> #
> # uncomment this to enable logging of all log messages to
> /var/log/all.log
> # touch /var/log/all.log and chmod it to mode 600 before it will work
> # *.*                            /var/log/all.log
> #
> #log { source(src); destination(all); };
>
> #
> # uncomment this to enable logging to a remote loghost named loghost
> # *.*                            @loghost
> #
> #log { source(src); destination(loghost); };
>
> #
> # uncomment these if you're running inn
> # news.crit                        /var/log/news/news.crit
> # news.err                        /var/log/news/news.err
> # news.notice                        /var/log/news/news.notice
> #
> #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); };
>
> #
> # !startslip
> # *.*                            /var/log/slip.log
> #
> log { source(src); filter(f_slip); destination(slip); };
>
> #
> # !ppp
> # *.*                            /var/log/ppp.log
> #
> log { source(src); filter(f_ppp); destination(ppp); };

As you're not logging local0 or local1, the config needs to be
extended. First uncomment the f_local0 and f_local1 filters
above, and add something like this to your config:

# local0.info

log {
        source(src);
        filter(f_local0);
        filter(f_info);
        destination(local0);
};

# local1.info

log {
        source(src);
        filter(f_local1);
        filter(f_info);
        destination(local1);
};

Before making any changes I'd think about whether I need to separate
the local and remote logs, and when yes then I'd update the log{}
sections to refer to the appropriate source definition.

Regards,

Sandor
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