Date: Sun, 2 Jun 2002 12:43:17 -0500 From: rahermon@iastate.edu To: "'C J Michaels'" <cjm2@earthling.net> Cc: <freebsd-questions@FreeBSD.ORG> Subject: RE: Telnet localhost 25 Message-ID: <000001c20a5c$fa8e3d50$8404a8c0@TheGetto> In-Reply-To: <CDEJIONOMGKHCNHBALKPCENCCAAA.cjm2@earthling.net>
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Noted, corrected, and thank you. From now on
# ifconfig lo0 127.0.0.1/8
Regards,
Ramon
> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG] On Behalf Of C J Michaels
> Sent: Sunday, June 02, 2002 11:49 AM
> To: rahermon@iastate.edu
> Cc: freebsd-questions@FreeBSD.ORG
> Subject: RE: Telnet localhost 25
>
>
> FYI loopback is supposed to be 127.0.0.0/8. Although I doubt
> making it a /24 is going to cause you any real headaches, you
> know know.
>
> --Chris
>
> > -----Original Message-----
> > From: owner-freebsd-questions@FreeBSD.ORG
> > [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of
> > rahermon@iastate.edu
> > Sent: Saturday, June 01, 2002 11:02 AM
> > To: freebsd-questions@FreeBSD.ORG
> > Subject: RE: Telnet localhost 25
> >
> >
> >
> > After much headaches for some reason I decided to check the lo0
> > interface and to my surprise :-) # ifconfig lo0
> >
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> > inet6 ::1 prefixlen 128
> > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> >
> > then # ifconfig lo0 127.0.0.1 netmask 255.255.255.0 broadcast
> > 127.0.0.255
> >
> > Problem solved. Thanks. Only posted for the benefit of
> future searches
> > on similar problems.
> >
> > -----Original Message-----
> > From: owner-freebsd-questions@FreeBSD.ORG
> > [mailto:owner-freebsd-questions@FreeBSD.ORG] On Behalf Of
> > rahermon@iastate.edu
> > Sent: Thursday, May 30, 2002 7:20 AM
> > To: freebsd-questions@FreeBSD.ORG
> > Subject: Telnet localhost 25
> >
> > I was not sure where to send the question so when in doubt try this
> > list.
> >
> > FreeBSD FW 4.6-RC FreeBSD 4.6-RC #0: Mon May 27 23:46:22 CDT 2002
> > root@FW.rhbsd.dhs.org:/usr/obj/usr/src/sys/FW i386
> >
> > To make a log story short the above machine is my DNS, DHCP server,
> > and Firewall running NATD. Using ipfw and the rules that
> Dan O'Connor,
> > from Freebsd cheat sheets, suggests on Setting-up a Dual-Homed Host.
> >
> > The problem: Sendmail stopped working about 5 days ago. Let me
> > rephrase that, mail delivery stopped about 5 days ago.
> >
> >
> > inside interface ip: 192.168.4.1
> >
> > if {
> > telnet 192.168.4.1 25
> > }
> > Trying 192.168.4.1...
> > Connected to ns1.rhbsd.dhs.org.
> > Escape character is '^]'.
> > 220 ns1.rhbsd.dhs.org ESMTP Sendmail 8.12.3/8.12.3; Thu, 30
> May 2002
> > 07:38:24 -0500 (CDT)
> >
> > if {
> > telnet localhost 25
> > }
> > Trying ::1...
> > telnet: connect to address ::1: Connection refused
> > Trying 127.0.0.1...
> > telnet: connect to address 127.0.0.1: Operation timed out
> > telnet: Unable to connect to remote host
> >
> > funny thing is that telnet localhost 25 only looks as above if I
> > remove the following from my rules set: ${fwcmd} add 200
> deny all from
> > any to 127.0.0.0/8
> >
> > else {
> > telnet localhost 25
> > }
> > Trying ::1...
> > telnet: connect to address ::1: Connection refused
> > Trying 127.0.0.1...
> > telnet: connect to address 127.0.0.1: Permission denied
> > telnet: Unable to connect to remote host
> >
> > I can also do {
> > telnet 0 25
> > }
> > Trying 0.0.0.0...
> > Connected to 0.
> > Escape character is '^]'.
> > 220 ns1.rhbsd.dhs.org ESMTP Sendmail 8.12.3/8.12.3; Thu, 30
> May 2002
> > 07:53:27 -0500 (CDT)
> >
> > # tail -f /var/log/maillog
> > <snip>
> > May 30 07:45:36 FW sm-mta[5032]: g4UCcOuX005032: ns1.rhbsd.dhs.org
> > [192.168.4.1] did not issue MAIL/EXPN/VRFY/ETRN during
> connection to
> > MTA May 30 07:53:51 FW sm-mta[5052]: g4UCrRuX005052:
> ns1.rhbsd.dhs.org
> > [192.168.4.1] did not issue MAIL/EXPN/VRFY/ETRN during
> connection to
> > MTA
> >
> > I checked:
> > /etc/resolv.conf
> > /etc/hosts
> > /etc/hosts.allow
> >
> > I tried just telling sendmail to deliver mail somewhere else like
> > 192.168.4.1 where I was able to telnet to port 25 but seems
> like I am
> > to dense to do it.
> > # cd /etc/mail/
> > # make all
> > modified fw.mc (which was created after make all)
> > by adding LOCAL_RELAY and since it did not work MAIL_HUB
> > I also explicitly allow localhost and 127.0.0.1 on
> /etc/mail/access
> > Which make updated the access.db file.
> > # make cf
> > # make install
> > # make restart
> >
> > Finally, it follows some of the errors on my maillog file.
> > # tail -f /var/log/maillog
> >
> > <snip>
> > May 30 08:12:59 FW sm-msp-queue[5075]: g4Q84JOZ000943: to=root,
> > ctladdr=root (0/0), delay=4+05:08:40, xdelay=00:00:00,
> mailer=relay,
> > pri=16500053, relay=localhost.rhbsd.dhs.org., dsn=4.0.0,
> > stat=Deferred: Permission denied May 30 08:12:59 FW
> > sm-msp-queue[5075]: g4Q84H1Y000899: to=root, ctladdr=root (0/0),
> > delay=4+05:08:42, xdelay=00:00:00, mailer=relay, pri=16500056,
> > relay=localhost.rhbsd.dhs.org., dsn=4.0.0, stat=Deferred:
> Permission
> > denied May 30 08:12:59 FW sm-msp-queue[5075]:
> g4PDNvgF004004: to=root,
> > delay=4+23:49:02, xdelay=00:00:00, mailer=relay, pri=18751468,
> > relay=localhost.rhbsd.dhs.org., dsn=4.0.0, stat=Deferred: Permission
> > denied
> >
> >
> > After many days of reading and trying different things I don't know
> > where else to look some advice will be greatly appreciated.
> >
> >
> >
> >
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> >
> >
> >
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