Re: [syslog-ng] Hosts Logging Into Multiple Destinations (files) Bad Filter???

18 Jan 2008

...
/var/log/ABCcorp/linksys-1000/linksys-1000.log
Evan Rempell said:
...
You have hostname chaining enabled. In this case, the $FULLHOST macro
expands to $HOST/$HOST for most directly logging hosts (no other relay syslogs).
Try using a $FULLHOST_FROM or $HOST
Agreed - vp, please try $HOST instead of $FULLHOST in your destinations.

________________________________

From: wiskbroom@hotmail.com
To: syslog-ng@lists.balabit.hu
Date: Fri, 18 Jan 2008 08:50:48 -0500
Subject: Re: [syslog-ng] Hosts Logging Into Multiple Destinations (files) Bad Filter???

Yikes, spoke too soon, apparently I do not have hostname chaining enabled.

options
  {
    chain_hostnames(no);
    create_dirs (yes);
    dir_perm(0755);
    use_dns (yes);
    dns_cache(yes);
    dns_cache_size(1000);
    dns_cache_expire(604800);
    keep_hostname(yes);
    log_fifo_size(10000);
    log_msg_size(8192);
    long_hostnames(on);
    perm(0644);
    stats(3600);
    sync(0);
#
# Change to 1?
#   time_reopen (1);
    time_reopen (10);
    use_dns(yes);
    use_fqdn(yes);
  };

.vp

________________________________

From: wiskbroom@hotmail.com
To: syslog-ng@lists.balabit.hu
Date: Fri, 18 Jan 2008 08:48:39 -0500
Subject: Re: [syslog-ng] Hosts Logging Into Multiple Destinations (files) Bad Filter???

Thank you Evan, does hostname chaining also force multiple logging?  If now, does anyone know why I am logging my data to two locations instead of just one?

By the way, any good references to writing a good .conf file for this would be greatly appreciated.

Thanks again.

.vp
...
Date: Thu, 17 Jan 2008 14:26:43 -0800
From: erempel@uvic.ca
To: syslog-ng@lists.balabit.hu
Subject: Re: [syslog-ng] Hosts Logging Into Multiple Destinations (files) Bad Filter???
You have hostname chaining enabled. In this case, the $FULLHOST macro expands to $HOST/$HOST for most
directly logging hosts (no other relay syslogs).
Try using a $FULLHOST_FROM or $HOST
Evan Rempel
wiskbroom@hotmail.com wrote:
...
Hello;
I thought that I had all of my hosts setup to log into /var/log/ABCcorp/$FULLHOST/$FULLHOST.log by default if not already defined by another filter, but I am seeing that they log to multiple destinations instead.
For instance, I have a host named linksys-1000, logs for this host get sent into:
/var/log/ABCcorp/accesspoints/linksys-1000/linksys-1000.log
as well as
/var/log/ABCcorp/linksys-1000/linksys-1000.log
Also, I do not understand how /var/log/ABCcorp/$FULLHOST/$FULLHOST.log gets created and used in the first place, there is no filter setup like this.
Thanks all,
.vp
Here is a sample of my config file:
###########
# Destinations #
##########
destination D_switch { file("/var/log/ABCcorp/switches/$FULLHOST.log"
perm(0644)); };
destination D_edge { file("/var/log/ABCcorp/edge_devices/$FULLHOST.log" perm(0644)); };
destination D_firewall { file("/var/log/ABCcorp/firewalls/$FULLHOST.log" perm(0644)); };
destination D_router { file("/var/log/ABCcorp/routers/$FULLHOST.log"
perm(0644)); };
destination D_accesspoints { file("/var/log/ABCcorp/accesspoints/$FULLHOST.log"
perm(0644)); };
destination D_udp { file("/var/log/ABCcorp/$FULLHOST.log"
perm(0644)); };
destination D_hosts { file("/var/log/ABCcorp/$HOST/$YEAR/$MONTH/$DAY/$FACILITY_$HOST_$YEAR_$MONTH_$DAY"
owner(root) group(root) perm(0600) dir_perm(0700) create_dirs(yes)); };
#######
# Filters #
#######
destination D_db_discard { file("/var/log/discard.log"); };
destination D_db_mysql {
pipe("/var/log/mysql.pipe"
template("INSERT INTO logs
(host, facility, priority, level, tag, datetime, program, msg)
VALUES ( '$HOST', '$FACILITY', '$PRIORITY', '$LEVEL', '$TAG', '$YEAR-$MONTH-$DAY $HOUR:$MIN:$SEC',
'$PROGRAM', '$MSG' );\n") template-escape(yes));
filter F_edge { host("edge*") or host("192.116.*"); };
filter F_router { host("gw*") or host("rtr") or host("router"); };
filter F_switch { host("sw*") or host("sw1") or host("sw2"); };
filter F_firewall { host("^fw*"); };
filter F_accesspoints { host("^linksys*"); };
filter F_InternetIP { host("192.116.19.*"); };
#######
# Logs #
#######
log { source(S_udp); filter(F_switch); destination(D_switch); };
log { source(S_udp); filter(F_router); destination(D_router); };
log { source(S_udp); filter(F_edge); destination(D_edge); };
log { source(S_udp); filter(F_firewall); destination(D_firewall); };
log { source(S_udp); filter(F_accesspoints); destination(D_accesspoints); };
log { source(S_udp); destination(D_udp);};
log { source(S_udp); destination(D_db_mysql); };
------------------------------------------------------------------------
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Re: [syslog-ng] Hosts Logging Into Multiple Destinations (files) Bad Filter???

Joe Fegan