DNS PTR Question
by Dan Thurman
I am trying to get a handle on how to properly
assign DNS PTR records, given these conditions:
1) Single machine containing:
a) DNS Server
b) Sendmail Server
Forward zone contains:
======================
$TTL 172800
@ IN SOA ns1.domain.com. admin.domain.com. (
3818 ; serial
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
; ==========[Nameservers]=================
@ IN NS ns1.domain.com.
; ==========[Mail Exchangers]=============
@ IN MX 10 mx1.domain.com.
; ==========[Machines]====================
ns1 IN A 10.1.0.1
mx1 IN A 10.1.0.1
[...]
Reverse zone contains:
======================
$TTL 172800
@ IN SOA ns1.domain.com admin.domain.com (
3818 ; serial
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
;============ Top-Level =================
@ IN NS ns1.domain.com.
;============ PTRS ======================
1 IN PTR ns1.domain.com.
1 IN PTR mx1.domain.com.
[...]
The problem here is assigning the PTR, since
only ONE reverse IP address is allowed. In
the above case, which will it be, ns1.domain.com
or mx1.domain.com? Discovery led to the last
"scanned" entry, which is mx1.domain.com
Why is this a potential problem?
+ One that I can think of, is security verification
such as some programs do a reverse IP check to reduce
phishing/spamming?
How is this to be properly handled?
+ Separate out DNS and Sendmail services to it's
own machine as hinted in "example.org"?
Is it possible/sensible to have DNS and Sendmail on
the same machine?
Thanks!
Dan
14 years, 3 months
Booting F12 on Mactel
by Leon Stringer
Hi,
I posted this question a while ago and no one had any answers, but I've
got nowhere so I'm trying again.
I installed F12 on my Intel Mac (Core 2 Duo) but I don't see it in the
boot menu when I hold down the option key.
The F12 release notes have instructions for removing F12 from a Mac but
nothing on installing it.
Should this be straightforward? Is there some documentation I've missed?
Thanks in advance for any help,
Leon...
14 years, 3 months
Re: firefox lockups after update
by Vincent
> From: Patrick Bartek <bartek047(a)yahoo.com>
> Subject: Re: firefox lockups after update
> --- On Tue, 2/23/10, vinny <vonelli(a)optonline.net> wrote:
>
> > I submitted this problem before, I had one answer
> > requesting the output
> > of "yum info firefox" I submitted, If there was a
> > subsequent answer
> > maybe I missed. So here I have an HP laptop zv600 and a
> > desktop Dell
> > 8300. Dell works fine through out all the update, HP lockup
> > and after
> > several try uninstall and reinstall doesn't lock any longer
> > but it
> > doesn't load.
> > here are the yum info for both PC:
> >
> > Dell desktop
> > [vinny@localhost ~]$ yum info firefox
> > Loaded plugins: presto, refresh-packagekit
> > adobe-linux-i386
> > 17/17
> > Installed Packages
> > Name? ? ???: firefox
> > Arch? ? ???: i686
> > Version? ? : 3.5.8
> > Release? ? : 1.fc12
> > Size? ? ???: 17 M
> > Repo? ? ???: installed
> > >From repo? : updates
> > Summary? ? : Mozilla Firefox Web browser
> > URL? ? ? ? : http://www.mozilla.org/projects/firefox/
> > License? ? : MPLv1.1 or GPLv2+ or LGPLv2+
> > Description: Mozilla Firefox is an open-source web browser,
> > designed for
> > ? ? ? ? ???: standards
> > compliance, performance and portability.
> >
> > HP laptop
> > [vinny@laptop ~]$ yum info firefox
> > Loaded plugins: refresh-packagekit
> > Installed Packages
> > Name? ? ???: firefox
> > Arch? ? ???: i586
> > Version? ? : 3.5.8
> > Release? ? : 1.fc11
> > Size? ? ???: 17 M
> > Repo? ? ???: installed
> > >From repo? : updates
> > Summary? ? : Mozilla Firefox Web browser
> > URL? ? ? ? : http://www.mozilla.org/projects/firefox/
> > License? ? : MPLv1.1 or GPLv2+ or LGPLv2+
> > Description: Mozilla Firefox is an open-source web browser,
> > designed for
> > ? ? ? ? ???: standards
> > compliance, performance and portability.
> >
> > The only difference that I can see is that Dell has the
> > release 1.FC12
> > and HP has release 1.FC11, seeing that I reinstalled few
> > times but it
> > all the way install the same release.
> > is there any thing I can do to get firefox back??
>
> Are you running Fedora 12 on the Dell, and Fedora 11 on the HP?
> And what are the basic hardware specs on each.
> And did you do clean installs or upgrade installs?
> Are you dual/multi booting? And if so, what OSes?
>
> B
Both pc running F12 at least I thought, but since you questioning it I
start to check and I found that the kernel on HP is
Fedora(2.6.30.10-105.2.23.fc11.i686.PAE) I suppose that means HP is
runnung F11 I do not remember for sure, I thing that the difference is
that at Dell I made a clean installation and at HP I did upgrade,
however, both were working fine up to the update.
Dell dimension 8300 Intel Pentium 4, 2GB of memory Has 2 HD 120Gb for
windows XP and 350 GB for F12
HP zv6000 with AMD Athlon 64 3200+ 1.5GB of memory, use dual boot on
single HD 80GB partitioned at 40GB each with windows XP and what I
thought was f12.
I do not know how to get other hardware info, if it is needed please
give me direction on how to get them
14 years, 3 months
Current update destroys clamav-milter?
by Dan Thurman
Is there a problem with clamav-milter?
On reboot, clamav-milter says OK when it starts
however, I find this:
Feb 24 10:41:27 gold clamav-milter[7399]: +++ Started at Wed Feb 24
10:41:27 2010
Feb 24 10:41:27 gold clamav-milter[7400]: No ClamdSocket specified
Feb 24 10:41:27 gold clamav-milter[7400]: Failed to init the socket pool
This was supposedly running correctly until now.
Dan
14 years, 3 months
Problem with Cyrus-imap/sendmail
by Gijs
Hello List,
I'm trying to setup cyrus-imap with sendmail delivering the email to
cyrus through an lmtp socket. I finally got everything to work except
one issue. Whenever someone sends email to the server using
user(a)domain.com, it ends up in the correct inbox, however somewhere down
the line the "To" address is rewritten to user(a)mail.domain.com. I really
have no idea what's going on since. I must have tried everything and
googled for hours for a solution but I can't get it to work properly.
My imapd.conf:
-----------
configdirectory: /var/lib/imap
partition-default: /var/spool/imap
admins: cyrus
sievedir: /var/lib/imap/sieve
sendmail: /usr/sbin/sendmail
hashimapspool: true
sasl_pwcheck_method: saslauthd
sasl_mech_list: PLAIN LOGIN
tls_cert_file: /etc/pki/tls/certs/cyrus-imapd.pem
tls_key_file: /etc/pki/tls/certs/cyrus-imapd.pem
tls_ca_file: /etc/pki/tls/certs/ca-bundle.crt
virtdomains: yes
defaultdomain: domain.com
loginrealms: domain.com
allowanonymouslogin: no
lmtp_downcase_rcpt: true
servername: mail.domain.com
------------
The mail:
------------
Return-Path:<thesender(a)something.com>
Received: from mail.domain.com ([unix socket])
by mail.domain.com (Cyrus v2.3.7-Invoca-RPM-2.3.7-7.el5_4.3) with LMTPA;
Wed, 24 Feb 2010 12:20:22 -0400
X-Sieve: CMU Sieve 2.3
Received: from somehost (somehost [1.1.1.1] (may be forged))
(authenticated bits=0)
by mail.domain.com (8.13.8/8.13.8) with ESMTP id o1OGKE5O020540
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO)
for<user(a)domain.com>; Wed, 24 Feb 2010 12:20:17 -0400
Message-ID:<4B8551C3.8080707(a)something.com>
Date: Wed, 24 Feb 2010 17:20:19 +0100
From: Gijs<thesender(a)something.com>
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.8) Gecko/20100216 Thunderbird/3.0.2
MIME-Version: 1.0
To: user(a)mail.domain.com
Subject: test
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Spam-Status: No, score=7.9 required=8.0 tests=AWL,FH_DATE_PAST_20XX,
RCVD_IN_PBL,RCVD_IN_SORBS_DUL,RDNS_NONE,TVD_SPACE_RATIO autolearn=no
version=3.2.5
X-Spam-Level: *******
X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail.domain.com
test
------------
My cyrusv2.m4:
------------
_DEFIFNOT(`_DEF_CYRUSV2_MAILER_FLAGS', `lsDFMnqXz')
_DEFIFNOT(`CYRUSV2_MAILER_FLAGS', `A@/:|m')
ifdef(`CYRUSV2_MAILER_ARGS',, `define(`CYRUSV2_MAILER_ARGS', `FILE
/var/imap/socket/lmtp')')
define(`_CYRUSV2_QGRP', `ifelse(defn(`CYRUSV2_MAILER_QGRP'),`',`', `
Q=CYRUSV2_MAILER_QGRP,')')dnl
POPDIVERT
#########################################
### Cyrus V2 Mailer specification ###
#########################################
VERSIONID(`$Id: cyrusv2.m4,v 1.1 2002/06/01 21:14:57 ca Exp $')
Mcyrusv2, P=[IPC], F=_MODMF_(CONCAT(_DEF_CYRUSV2_MAILER_FLAGS,
CYRUSV2_MAILER_FLAGS), `CYRUSV2'),
S=EnvFromL/HdrFromL, R=EnvToL/HdrToL, E=\r\n,
_OPTINS(`CYRUSV2_MAILER_MAXMSGS', `m=', `,
')_OPTINS(`CYRUSV2_MAILER_MAXRCPTS', `r=', `,
')_OPTINS(`CYRUSV2_MAILER_CHARSET', `C=', `,
')T=DNS/RFC822/SMTP,_CYRUSV2_QGRP
A=CYRUSV2_MAILER_ARGS
------------
And finally my sendmail.mc:
------------
divert(-1)dnl
include(`/usr/share/sendmail-cf/m4/cf.m4')dnl
VERSIONID(`setup for linux')dnl
OSTYPE(`linux')dnl
define(`confDEF_USER_ID', ``8:12'')dnl
define(`confTO_CONNECT', `1m')dnl
define(`confTRY_NULL_MX_LIST', `True')dnl
define(`confDONT_PROBE_INTERFACES', `True')dnl
define(`PROCMAIL_MAILER_PATH', `/usr/bin/procmail')dnl
define(`ALIAS_FILE', `/etc/aliases,/etc/mail/aliases,/etc/mail/forward')dnl
define(`STATUS_FILE', `/var/log/mail/statistics')dnl
define(`UUCP_MAILER_MAX', `2000000')dnl
define(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnl
define(`confPRIVACY_FLAGS', `authwarnings,novrfy,noexpn,restrictqrun')dnl
define(`confAUTH_OPTIONS', `A')dnl
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN
PLAIN')dnl
define(`confCACERT_PATH', `/etc/pki/tls/certs')dnl
define(`confCACERT', `/etc/pki/tls/certs/ca-bundle.crt')dnl
define(`confSERVER_CERT', `/etc/pki/tls/certs/sendmail.pem')dnl
define(`confSERVER_KEY', `/etc/pki/tls/certs/sendmail.pem')dnl
define(`confTO_IDENT', `0')dnl
FEATURE(`no_default_msa', `dnl')dnl
FEATURE(`smrsh', `/usr/sbin/smrsh')dnl
FEATURE(`mailertable', `hash -o /etc/mail/mailertable.db')dnl
FEATURE(`virtusertable', `hash -o /etc/mail/virtusertable.db')dnl
FEATURE(redirect)dnl
FEATURE(always_add_domain)dnl
FEATURE(use_cw_file)dnl
FEATURE(use_ct_file)dnl
FEATURE(local_procmail, `', `procmail -t -Y -a $h -d $u')dnl
FEATURE(`access_db', `hash -T<TMPF> -o /etc/mail/access.db')dnl
FEATURE(`blacklist_recipients')dnl
EXPOSED_USER(`root')dnl
define(`confLOCAL_MAILER', `cyrusv2')dnl
define(`CYRUSV2_MAILER_ARGS', `FILE /var/lib/imap/socket/lmtp')dnl
DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl
DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnl
FEATURE(`accept_unresolvable_domains')dnl
LOCAL_DOMAIN(`localhost.localdomain')dnl
INPUT_MAIL_FILTER(`spamassassin',
`S=local:/var/run/spamass-milter/spamass-milter.sock,
F=,T=C:15m;S:4m;R:4m;E:10m')
MAILER(smtp)dnl
MAILER(procmail)dnl
MAILER(cyrusv2)dnl
---------
Hope someone can make heads or tails out of this, because I sure can't.
Regards, Gijs
14 years, 3 months
lvm2-monitor service is dead !!!!
by Jatin K
Dear list ,
I've seen that lvm2-monitor and openvpn services are dead .... why like
this ???
does anybody face this problem ???
--
°v°
/(_)\
^ ^ Jatin Khatri
Registerd Linux user No #501175
www.counter.li.org
No M$
14 years, 3 months
When PHP-5.3?
by Mike Wright
Hi all,
I'm working on a project where I'd like to use Doctrine 2.0 but it has a
requirement of PHP version 5.3 or better.
Does anybody know the expected time frame before it makes into Fedora?
tia, mike
... as I wait with bated breath ;D
14 years, 3 months