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Today's Topics:
1. dhcpd with syslong (Surya Teja)
2. Re: dhcpd with syslong (Peter Rathlev)
----------------------------------------------------------------------
Message: 1
Date: Wed, 7 Aug 2019 11:56:41 +0530
From: Surya Teja <suryateja...@gmail.com>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: dhcpd with syslong
Message-ID:
<ca+0ac3xzti3kef6hiwpqewgnsszjh4vzhvnzr0wdmyuvptg...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi,
I am trying to integrate the syslog-ng with isc-dhcpd service on my local
machine(*Centos 7*)
In the dhcpd.conf I have updated the global section with
*dhcpd.conf*
authoritative ;
* log-facility local7;*
default-lease-time 3600;
In the *syslog-ng.conf* file at last I have updated like :
destination dhcp { file("/var/log/dhcp.log"); };
filter f_dhcp { facility(local7); };
log { source(s_sys); filter(f_dhcp); destination(dhcp); };
After updating the above files restarted the services and it worked. I can
see dhcp messages in
/var/log/dhcp.log file
---------------------------------------------------------
Now I am trying the various log-facility statements available for ISC
dhcpd, from public forums I get the list like: auth, authpriv, cron,
daemon, ftp, kern, local0 through local7, lpr, mail, mark, news, ntp,
security, syslog, user and uucp are supportable but
--->Getting the dhcpd syntax error while using the params(*ntp, mark,
security*)
[root@test tmp]# *dhcpd -t -cf dhcpdserver.conf*
dhcpdTemplate.conf line 2: unknown value
log-facility mark;
^
dhcpdTemplate.conf line 2: expecting a parameter or declaration
log-facility mark;
^
Configuration file errors encountered -- exiting
[root@ test tmp]#
*File data:*
[root@test tmp]#cat /tmp/ *dhcpdserver.conf*
authoritative ;
*log-facility mark ;*
default-lease-time 3600;
Do we have any exception cases with these parameters (*ntp, mark, security*)?or
any problem with syslog-ng ?
Any help can be appreciated.Thanks in advance
Thanks
Surya
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Message: 2
Date: Wed, 07 Aug 2019 13:49:47 +0200
From: Peter Rathlev <pe...@rathlev.dk>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: dhcpd with syslong
Message-ID:
<fb83e4a603cee3a16971c12f364ad170cf1e5842.ca...@rathlev.dk>
Content-Type: text/plain; charset="UTF-8"
On Wed, 2019-08-07 at 11:56 +0530, Surya Teja wrote:
> Now I am trying the various log-facility statements available for
> ISC dhcpd, from public forums I get the list like: auth, authpriv,
> cron, daemon, ftp, kern, local0 through local7, lpr, mail, mark,
> news, ntp, security, syslog, user and uucp are supportable but
>
> --->Getting the dhcpd syntax error while using the params(ntp, mark,
> security)
> [root@test tmp]# dhcpd -t -cf dhcpdserver.conf
> dhcpdTemplate.conf line 2: unknown value
> log-facility mark;
> ^
> dhcpdTemplate.conf line 2: expecting a parameter or declaration
> log-facility mark;
> ^
The facilities "ntp", "mark" and "security" are not valid syslog
facilities on a CentOS 7 server. As "dhcpd.conf" mentions: "Not all of
these facilities are available on all systems, and there may be other
facilities available on other systems.".
Take a look at "man syslog.h" to see the complete list of valid
facilities on your system.
Just use another one, for example one of local0 .. local7.
--
Peter
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