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Date:      Sun, 30 Nov 2003 21:38:12 +0000
From:      Nuno Teixeira <nunotex@freeshell.org>
To:        freebsd-current@freebsd.org
Subject:   rpcbind not binding correctly with -h
Message-ID:  <20031130213812.GA16141@SDF.LONESTAR.ORG>

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Hello to all,

I'm having some problems with NFS on a FreeBSD 5.1 p11

NFS server is a gateway with an adsl alcatel USB modem and has the
following rc.conf:

rpcbind_enable="YES"
rpcbind_flags="-h 192.168.0.1"
nfs_server_enable="YES"
nfs_server_flags="-u -t -n 6 -h 192.168.0.1"
mountd_flags="-r"

PROBLEM:

The problem is unmounting NFS shares takes too much time on clients. It
usualy gives an error on rebooting or shuting down related to rc that
says that cannot execute rc.shutdown until the end.

I can avoid the problem by doing a `ifconfig rl0 down` on clients before
I reboot or shutdown.

I think I found the origin of this problem because it only happens when
the ADSL connetion is up on gateway:

ADSL down:

rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
        inet6 fe80::250:fcff:fec2:1816%rl0 prefixlen 64 scopeid 0x1 
        ether 00:50:fc:c2:18:16
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet6 ::1 prefixlen 128 
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2 
        inet 127.0.0.1 netmask 0xff000000 

NO problems at all. Unmounting, rebooting, etc.

ADSL up:

rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
        inet6 fe80::250:fcff:fec2:1816%rl0 prefixlen 64 scopeid 0x1 
        ether 00:50:fc:c2:18:16
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet6 ::1 prefixlen 128 
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2 
        inet 127.0.0.1 netmask 0xff000000 
tap0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2bd:daff:fe2d:0%tap0 prefixlen 64 scopeid 0x3 
        ether 00:bd:da:2d:00:00
        Opened by PID 527
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
        inet 213.13.234.240 --> 213.13.72.1 netmask 0xffffff00 
        Opened by PID 531

Problem discribed above.

===

Other thing that I noticed is that when I run nmap to ISP assigned ip
adress it shows that rpcbind is open.

111/tcp  open  rpcbind
1023/tcp open  netvenuechat

Can anyone knows what the problem is? Bindind related?

Thanks very much,

		Nuno Teixeira

-- 
nunotex@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org



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