Date: Wed, 19 Jan 2005 18:53:15 -0300 From: Mauricio Brunstein <mbrunstein@gmail.com> To: Hexren <me@hexren.net> Cc: freebsd-questions@freebsd.org Subject: =?iso-8859-1?q?Re=3A_Re=5B2=5D=3A_Can=B4t_access_a_box_remotely?= Message-ID: <5982296405011913535f848139@mail.gmail.com> In-Reply-To: <16421516128.20050119224404@hexren.net> References: <59822964050119131120fbb88c@mail.gmail.com> <17020225212.20050119222233@hexren.net> <598229640501191337b644520@mail.gmail.com> <16421516128.20050119224404@hexren.net>
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Hexren:
The pocess of PID 212 is ppp:
server:~ $ ps auxw|grep 212 =20
root 212 0.0 0.8 3240 2112 ?? Ss 5:53PM 0:00.43 ppp
-ddial default
mauro 687 0.0 0.4 1472 892 p0 S+ 6:48PM 0:00.00 grep 212
server:~ $
My rc.conf has references to tun0:
server:~ $ sudo cat /etc/rc.conf
# -- sysinstall generated deltas -- # Sun Nov 21 13:07:41 2004
# Created: Sun Nov 21 13:07:41 2004
# Enable network daemons for user convenience.
# Please make all changes to this file, not to /etc/defaults/rc.conf.
# This file now contains just the overrides from /etc/defaults/rc.conf.
#
##############################################################
hostname=3D"server.estudio"
netd_enable=3D"YES"
saver=3D"dragon"
scrnmap=3D"NO"
sshd_enable=3D"YES"
sshd_flags=3D"-4 -p 222"
usbd_enable=3D"YES"
network_interfaces=3D"lo0 rl0 fxp0 tun0"
#network_interfaces=3D"lo0 rl0 fxp0"
ifconfig_tun0=3D" "
ifconfig_rl0=3D"inet 192.168.2.1 netmask 255.255.255.0"
ifconfig_fxp0=3D"media 10baseT/UTP up"
ppp_enable=3D"YES"
ppp_mode=3D"ddial"
ppp_nat=3D"YES"
ppp_profile=3D"my_isp"
router_enable=3D"YES"
gateway_enable=3D"YES" # Set to YES if this host will be a gateway
pf_enable=3D"YES" # Enable PF (load module if required)
pf_rules=3D"/etc/pf.conf" # rules definition file for pf
pf_flags=3D"-d" # additional flags for pfctl startup
#pflog_enable=3D"YES" # start pflogd(8)
#pflog_logfile=3D"/var/log/pflog" # where pflogd should store the logfile
#pflog_flags=3D"" # additional flags for pflogd startup
inetd_enable=3D"YES" # Run the network daemon dispatcher (YES=
/NO).
inetd_program=3D"/usr/sbin/inetd" # path to inetd, if you want a different =
one.
inetd_flags=3D"-wW -C 60" # Optional flags to inetd
#nmbd_enable=3D"YES"
#smbd_enable=3D"YES"
#winbindd_enable=3D"YES"
named_enable=3D"YES" # Run named, the DNS server (or NO).
named_program=3D"/usr/sbin/named" # path to named, if you want a different =
one.
named_flags=3D"-u bind" # Flags for named
named_pidfile=3D"/var/run/named/pid" # Must set this in named.conf as well
named_chrootdir=3D"/var/named" # Chroot directory (or "" not to auto-chr=
oot it)
named_chroot_autoupdate=3D"YES" # Automatically install/update chrooted
# components of named. See /etc/rc.d/named.
named_symlink_enable=3D"YES" # Symlink the chrooted pid file
server:~ $
Thank you again,
Mauricio.
On Wed, 19 Jan 2005 22:44:04 +0100, Hexren <me@hexren.net> wrote:
> MB> Hexren:
>=20
> MB> Thank you for answer so quickly. I discovered that the problem is tha=
t
> MB> ppp is using tun1 in place of tun0 and I am usin a dyndns deamon that
> MB> is configured to update the ip address of tun0 (this is the interface
> MB> that I want to use). Why ppp is using tun0??? I gess that something
> MB> could be wrong in rc.conf. If I do and ssh to the ip address of tun1,
> MB> I can connect normally.
>=20
> MB> Here is the output of ifconfig:
>=20
> MB> server:~ $ ifconfig
> MB> rl0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> MB> options=3D8<VLAN_MTU>
> MB> inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
> MB> inet6 fe80::208:54ff:fe1d:8be5%rl0 prefixlen 64 scopeid 0x1
> MB> ether 00:08:54:1d:8b:e5
> MB> media: Ethernet autoselect (100baseTX <full-duplex>)
> MB> status: active
> MB> fxp0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> MB> options=3D8<VLAN_MTU>
> MB> inet6 fe80::211:11ff:fe85:efa8%fxp0 prefixlen 64 scopeid 0x2
> MB> ether 00:11:11:85:ef:a8
> MB> media: Ethernet 10baseT/UTP
> MB> status: active
> MB> plip0: flags=3D108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> MB> lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> MB> inet 127.0.0.1 netmask 0xff000000
> MB> inet6 ::1 prefixlen 128
> MB> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
> MB> tun0: flags=3D8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
> MB> Opened by PID 212
> MB> tun1: flags=3D8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
> MB> inet 200.127.126.73 --> 200.32.0.42 netmask 0xffffffff
> MB> Opened by PID 230
> MB> pflog0: flags=3D0<> mtu 33208
>=20
> MB> Thank you for all!!!
>=20
> MB> Mauricio
>=20
> MB> On Wed, 19 Jan 2005 22:22:33 +0100, Hexren <me@hexren.net> wrote:
> >> >Hi to all!
> >>
> >> >I can=B4t access to a box from the internet, using ssh.
> >>
> >> ---------------------------------------------
> >>
> >> Please specify your problem.
> >>
> >> Do you have IP connectivity ? (Do a "ping 216.136.204.117" from the
> >> machine of which you are showing logs here)
> >>
> >> Do you have DNS (Do a "ping www.freebsd.org" )
> >>
> >> Which error is given out when you try to ssh in from the internet. (tr=
y
> >> ssh -v or ssh -vv)
> >>
> >> Hexren
> >>
> >>
>=20
>=20
> ---------------------------------------------
>=20
> Wild guessing here:
> Maybe the interface tun0 gets created when it is first called by
> something refering to rc.conf. (It is in there isn't it ?). When ppp
> the fires up it creates its own tun device, taking the next "free"
> name which is tun1 as tun0 already exists and ppp can't know if it is
> used by something else.
> Try removing all references to tun0 from /etc/rc.conf
>=20
> Keep in mind that this is only a guess.
> Also look at what hides behind PID 212. You can see in th output you
> provided that tun0 was created by that PID.
>=20
> Hexren
>=20
>
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