LinuxForum.Fans
Тема

Логирование iptables через syslog-ng

Автор: mil612 11 сообщений 5973 просмотров
#233786

Собственно проблема заключается в следующем. Хочу сделать так, чтобы логи iptables поступали в отдельный файл iptables.log через syslog-ng, в скрипте фаерволла прописал следующее значение
[console]$IPT -A INPUT -m limit --limit 5/minute --limit-burst 5 -j LOG --log-level DEBUG --log-prefix "INPUT packet: "[/console]
по инету нашел некоторые статьи и попытался применить к себе, но без результативно, логи никуда не записываются. Помогите кто чем может, сам скрипт приведен ниже

Показать
#! /bin/sh
# Install some packages
installpkg ./eventlog-0.2.7-i486-1gufo.tgz
installpkg ./syslog-ng-3.0.2-i486-1gufo.tgz
# Getting IP on eth0
IP=`ifconfig | grep 'inet ' | cut -f 2 -d ":" | cut -f 1 -d " " |grep '' -m 1`;
# Generating /etc/syslog-ng/syslog-ng.conf
echo "options { long_hostnames(off); flush_lines(0); };" > /etc/syslog-ng/syslog-ng.conf
echo '''
source src { unix-stream("/dev/log"); internal(); };
source from_all { udp (ip('''$IP''') port(514)); };

destination to_all { file ( "/var/log/HOSTS/$HOST/$HOST.log" perm(0666) dir_perm(0755) create_dirs(yes) ); };
destination authlog { file("/var/log/auth.log"); };
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 debug { file("/var/log/debug"); };
destination messages { file("/var/log/messages"); };
destination iptables { file("/var/log/iptables.log"); };

destination console { usertty("root"); };
destination console_all { file("/dev/tty12"); };
#destination loghost { udp("loghost" port(999)); };
destination xconsole { pipe("/dev/xconsole"); };

filter f_auth { facility(auth); };
filter f_authpriv { facility(auth, authpriv); };
filter f_syslog { not facility(authpriv); };
filter f_cron { facility(cron); };
filter f_daemon { facility(daemon); };
filter f_kern { facility(kern); };
filter f_lpr { facility(lpr); };
filter f_user { facility(user); };
filter f_uucp { facility(cron); };
filter f_ppp { facility(local2); };
filter f_debug { not facility(auth, authpriv) and not filter(f_iptables); };
filter f_messages { level(info..warn)and not facility(auth, authpriv) and not filter(f_iptables); };
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); };
filter f_iptables { level(debug); };


log { source(from_all); destination(to_all); };
log { source(src); filter(f_authpriv); destination(authlog); };
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_user); destination(user); };
log { source(src); filter(f_uucp); destination(uucp); };
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); filter(f_iptables); destination(iptables); };
log { source(src); destination(console_all); };''' >> /etc/syslog-ng/syslog-ng.conf

#echo "source from_all { udp (ip(""$IP"") port(514)); };" >> /etc/syslog-ng/syslog-ng.conf
#echo 'source src { unix-stream("/dev/log"); internal(); };' >> /etc/syslog-ng/syslog-ng.conf
#echo 'destination to_all { file ( "/var/log/HOSTS/$HOST/$HOST.log" perm(0666) dir_perm(0755) create_dirs(yes) ); };' >> /etc/syslog-ng/syslog-ng.conf
#echo "log { source(from_all); destination(to_all); };" >> /etc/syslog-ng/syslog-ng.conf

cp ./rc.syslog-ng /etc/rc.d/rc.syslog-ng
chmod 755 /etc/rc.d/rc.syslog-ng
chmod 644 /etc/rc.d/rc.syslog
#cp ./rc.M /etc/rc.d/rc.M
echo "# Start the next generation system logger." >> /etc/rc.d/rc.M
echo "if [ -x /etc/rc.d/rc.syslog-ng ]; then" >> /etc/rc.d/rc.M
echo " . /etc/rc.d/rc.syslog-ng start " >> /etc/rc.d/rc.M
echo "fi" >> /etc/rc.d/rc.M
killall syslogd
killall syslog-ng
syslog-ng
#tar -zxvf ./Python-3.1.3.tgz
#cd ./Python-3.1.3
#./configure
#make
#make install
#233902

Буду дома отпишу. Так не помню.

#233972

Как то так

--log-prefix "Incoming80: "

text
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();
};
text
destination http { file("/var/log/firewall/http.log"); };
filter http { match (Incoming80:); };
log {
         source(s_all);
         filter(http);
         destination(http);
 };
#233989

Kettler,
не могли бы вы показать какой --log-level написан и полностью строку destination?

#233991

Я не использую уровень, зачем?
Я собираю данные из PREROUTING

#233995

сделал по аналогии
destination iptables { file("/var/log/iptables.log"); };
...
filter iptables { match (INPUT packet:); };
...
log { source(src); filter(iptables); destination(iptables); };
выдается ошибка
[console]syntax error in /etc/syslog-ng/syslog-ng.conf at line 43.[/console]
как раз в строке filter iptables { match (INPUT packet:); };

#233996

Покажи весь конфиг

#233998
text
@version:3.0
options { long_hostnames(off); flush_lines(0); };

source src { unix-stream("/dev/log"); internal(); }; source from_all { udp (ip(10.116.15.194) port(514)); };

destination to_all { file ( "/var/log/HOSTS/$HOST/$HOST.log" perm(0666) dir_perm(0755) create_dirs(yes) ); }; destination authlog { file("/var/log/auth.log"); }; 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 debug { file("/var/log/debug"); }; destination messages { file("/var/log/messages"); }; destination iptables { file("/var/log/iptables.log"); };

destination console { usertty("root"); }; destination console_all { file("/dev/tty12"); }; #destination loghost { udp("loghost" port(999)); }; destination xconsole { pipe("/dev/xconsole"); };

filter f_auth { facility(auth); }; filter f_authpriv { facility(auth, authpriv); }; filter f_syslog { not facility(authpriv); }; filter f_cron { facility(cron); }; filter f_daemon { facility(daemon); }; filter f_kern { facility(kern); }; filter f_lpr { facility(lpr); }; filter f_user { facility(user); }; filter f_uucp { facility(cron); }; filter f_ppp { facility(local2); }; filter f_debug { not facility(auth, authpriv); }; filter f_messages { level(info..warn)and not facility(auth, authpriv); }; 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); }; filter iptables { match(INPUT packet:); }; log { source(from_all); destination(to_all); }; log { source(src); filter(f_authpriv); destination(authlog); }; 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_user); destination(user); }; log { source(src); filter(f_uucp); destination(uucp); }; 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); filter(iptables); destination(iptables); }; log { source(src); destination(console_all); };

#234005

Буду дома гляну щас просто пока тружусь.

#234427

Мой

Показать
text
#
# 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(0755);

# 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(no);

# 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$"); };

###### # 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 #firewall destination ftp { file("/var/log/firewall/ftp.log"); }; destination http { file("/var/log/firewall/http.log"); }; destination https { file("/var/log/firewall/https.log"); }; destination ssh { file("/var/log/firewall/ssh.log"); }; destination mssh { file("/var/log/firewall/mssh.log"); }; destination myadmin { file("/var/log/firewall/phpmyadmin.log"); }; #firewall # 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); }; #firewall filter myadmin { match (Incoming90:); }; filter ftp20 { match (Incoming20:); }; filter ftp21 { match (Incoming21:); }; filter ftplocal20 { match (Incominglocal20:); }; filter ftplocal21 { match (Incominglocal21:); }; filter msssh { match (incoming465:); }; filter http { match (Incoming80:); }; filter httplocal { match (Incominglocal80:); }; filter https { match (Incoming443:); }; filter httpslocal { match (Incominglocal443:); }; filter ssh { match (Incoming22:); }; #firewall # 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 -/var/log/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(df_messages); };

# *.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); };

#firewall log { source(s_all); filter(ftp20); destination(ftp); }; log { source(s_all); filter(ftp21); destination(ftp); }; log { source(s_all); filter(ftplocal20); destination(ftp); }; log { source(s_all); filter(ftplocal21); destination(ftp); }; log { source(s_all); filter(msssh); destination(mssh); }; log { source(s_all); filter(http); destination(http); }; log { source(s_all); filter(httplocal); destination(http); }; log { source(s_all); filter(https); destination(http); }; log { source(s_all); filter(httpslocal); destination(http); }; log { source(s_all); filter(http); destination(http); }; log { source(s_all); filter(ssh); destination(ssh); }; log { source(s_all); filter(myadmin); destination(myadmin); };

#234452

Может у кого-то еще реальные примеры логирования iptables для slackware имеются?

Войдите или зарегистрируйтесь, чтобы ответить.