Date: Fri, 8 Nov 2002 12:37:15 -0600 From: "David La Croix" <dlacroix@nospam.suddendeceleration.com> To: <freebsd-questions@freebsd.org> Cc: <david@lacroixs.net> Subject: Inetd "Forgets" about one of its services? (Amanda) Message-ID: <00db01c28755$dccf53a0$7d1a910a@dlacroix>
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Can somebody tell me why Inetd keeps dropping a UDP service?
Anybody know a workaround?
My specific problem:
I've got an Inetd process (amandad) that periodically just goes into space.
This is on a machine with public interfaces, in the DMZ. The nightly amanda
backups and checkups periodically fail with errors similar to:
WARNING: mildred: selfcheck request timed out. Host down?
When this happens -- inetd is no longer listening on port 10080.
What puzzles me: A sighup of the inetd service causes it to remember the
port -- normal operation resumes.
This was happening initially -- and I suspected outside influences, so I
moved to running a separate inetd process -- details below. This doesn't
seem to make any difference, the UDP port still gets dropped.
This feels like an Inetd problem ... but I'm not sure so I'll include the
amanda version info too.
Details:
mildred# ls -ald /var/db/pkg/amanda*
drwxr-xr-x 2 root wheel 512 May 31 2001
/var/db/pkg/amanda24-client-2.4.2p2_1
mildred# uname -a
FreeBSD mildred.xxxx.com 4.6.1-RELEASE-p10 FreeBSD 4.6.1-RELEASE-p10 #1: Tue
Aug 6 17:28:14 CDT 2002
dlacroix@mildred.xxxx.com:/tmp/obj/buroot/src/sys/MILDRED i386
sysctl -a |grep forwarding
net.inet.ip.forwarding: 0
net.inet.ip.fastforwarding: 0
mildred# ifconfig -a
xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=3<rxcsum,txcsum>
inet xxx.xxx.xxx.26 netmask 0xffffff00 broadcast xxx.xxx.xxx.255
inet xxx.xxx.xxx.27 netmask 0xffffffff broadcast xxx.xxx.xxx.27
inet xxx.xxx.xxx.29 netmask 0xffffffff broadcast xxx.xxx.xxx.29
inet xxx.xxx.xxx.30 netmask 0xffffffff broadcast xxx.xxx.xxx.30
inet xxx.xxx.xxx.2 netmask 0xffffffff broadcast xxx.xxx.xxx.2
ether 00:xx:xx:xx:xx:xx
media: Ethernet autoselect (100baseTX)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
faith0: flags=8002<BROADCAST,MULTICAST> mtu 1500
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
inet 10.168.5.2 --> 10.168.5.131 netmask 0xffffffff
Opened by PID 9015
I've got 2 instances of inetd -- (one for each interface)
on the "private" interface (actually a ppp over ssh tunnel) I've got the
following as the ONLY non-comment line in /etc/inetd_amanda
mildred# egrep -v '^#' /etc/inetd.10.conf
amanda dgram udp wait amanda /usr/local/libexec/amanda/amandad
amandad
This inetd is started from a script in /usr/local/etc/rc.d similar to this:
mildred# cat /usr/local/etc/inetd.sh
#!/bin/sh
if [ -x /usr/sbin/inetd -a -f /etc/inetd.10.conf ]; then
/usr/sbin/inetd -wW -a 10.168.5.2 -p /var/run/inetd_amanda
/etc/inetd.10.conf && echo -n ' local_inetd'
fi
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