Package: ddclient
Version: 3.7.3-4.2
Severity: important
I've been using ddclient(8) for about 1.5 years, and it's been working fine, to
the extent that I haven't had to pay it any attention.
Until 2 weeks ago.
I hadn't been able to connect to my internal network from the "outside world"
for over a week, and I finally found enough time to check into it tonight. The
problem is that my DynDns.org dynamic DNS hostname had not been updated to my
current IP address (on my DSL connection from BellSouth/AT&T), so connect
attempts at the "stale" address were, of course, failing.
I'm guessing that the connection to checkip.dyndns.org hung for some reason,
but ddclient appears that it never timed out.
System uptime:
# w
02:29:43 up 39 days, 4:00, 4 users, load average: 0.35, 0.09, 0.02
Current date/time:
# date
Wed Oct 13 02:34:03 EDT 2010
Timestamp on cache file:
# ls -ld /var/cache/ddclient/ddclient.cache
-rw------- 1 root root 274 Sep 29 05:23
/var/cache/ddclient/ddclient.cache
Status of process:
# ps ax | grep -i ddclient
2480 ? S 7:29 ddclient - reading from checkip.dyndns.org
port 80
Any attempt at network communication should have a time-out limit.
A failed/hung socket connection should NOT cause the daemon to hang
indefinitely. That's unacceptable behavior for a daemon process (all daemons
are pretty much presumed to be capable of running unattended, pretty much
indefinitely).
-- System Information:
Debian Release: 5.0.6
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-2-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to C)
Shell: /bin/sh linked to /bin/bash
Versions of packages ddclient depends on:
ii debconf [debconf-2.0] 1.5.24 Debian configuration management sy
ii initscripts 2.86.ds1-61 Scripts for initializing and shutt
ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip
ii perl [perl5] 5.10.0-19lenny2 Larry Wall's Practical Extraction
Versions of packages ddclient recommends:
ii libio-socket-ssl-perl 1.16-1+lenny1 Perl module implementing object or
ddclient suggests no packages.
-- debconf information:
* ddclient/run_daemon: true
* ddclient/interface: eth0
* ddclient/protocol: dyndns2
* ddclient/run_ipup: false
* ddclient/username: tgi
ddclient/newconfigfmt:
* ddclient/names: tgi.dyndns.org
ddclient/modifiedconfig:
* ddclient/server: members.dyndns.org
* ddclient/daemon_interval: 5m
* ddclient/service: www.dyndns.org
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