Hi everyone.
As the subject says, I've run into this issue where BackupPC believes the
connection is unsecure when it is not. I did some general debugging and info
collection...
####
#### ON BACKUPPC CLIENT
####
# cat /etc/hosts.allow
<empty>
# cat /etc/hosts.deny
<empty>
# /usr/bin/rsync --version
rsync version 2.6.8 protocol version 29
Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.
# cat /etc/rsyncd.conf
motd file = /etc/rsyncd/rsyncd.motd
log file = /var/log/rsyncd.log
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsyncd.lock
port = 873
syslog facility = local5
max connections = 4
use chroot = no
uid = root
gid = root
[web_backup]
comment = Backups & Restores
path = /websites
auth users = backuppc
secrets file = /etc/rsyncd/rsyncd.secrets
# cat /etc/rsyncd/rsyncd.secrets
backuppc:password
####
#### ON BACKUPPC SERVER
####
Software versions are:
- Red Hat Enterprise Linux Server release 5.3
- BackupPC: v3.1.0
- File-RsyncP: v0.68
$ id
uid=101(backuppc) gid=102(backuppc) groups=102(backuppc)
$ cat /etc/hosts
192.168.0.67 myserver
$ pwd
/var/lib/BackupPC/temp
$ ls -la
total 8
drwxr-xr-x 2 backuppc backuppc 4096 Mar 19 20:24 .
drwxr-x--- 8 backuppc root 4096 Mar 19 20:01 ..
$ rsync -qazrt --delete backu...@myserver::web_backup /var/lib/BackupPC/temp
Password: <entered password>
(a few seconds passed and then back to prompt)
$ ls -la
total 16
drwxr-xr-x 4 backuppc backuppc 4096 Mar 19 19:50 .
drwxr-x--- 8 backuppc root 4096 Mar 19 19:45 ..
drwxr-x--- 4 backuppc backuppc 4096 Mar 19 19:48 test_folder_1
drwsrws--- 4 backuppc backuppc 4096 Mar 19 19:48 www.mysite1.com
(Confirmed rsync was working and authentication was required)
$ ./BackupPC_dump -f -v myserver
cmdSystemOrEval: about to system /bin/ping -c 1 -w 3 myserver
cmdSystemOrEval: finished: got output PING myserver (192.168.0.67) 56(84) bytes
of data.
64 bytes from myserver (192.168.0.67): icmp_seq=1 ttl=64 time=0.101 ms
--- myserver ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.101/0.101/0.101/0.000 ms
cmdSystemOrEval: about to system /bin/ping -c 1 -w 3 myserver
cmdSystemOrEval: finished: got output PING myserver (192.168.0.67) 56(84) bytes
of data.
64 bytes from myserver (192.168.0.67): icmp_seq=1 ttl=64 time=0.081 ms
--- myserver ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.081/0.081/0.081/0.000 ms
CheckHostAlive: returning 0.081
full backup started for directory web_backup
started full dump, share=web_backup
Connected to myserver:873, remote version 29
Negotiated protocol version 28
Error connecting to module web_backup at myserver:873: auth required, but
service web_backup is open/insecure
Got fatal error during xfer (auth required, but service web_backup is
open/insecure)
cmdSystemOrEval: about to system /bin/ping -c 1 -w 3 myserver
cmdSystemOrEval: finished: got output PING myserver (192.168.0.67) 56(84) bytes
of data.
64 bytes from myserver (192.168.0.67): icmp_seq=1 ttl=64 time=0.095 ms
--- myserver ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.095/0.095/0.095/0.000 ms
cmdSystemOrEval: about to system /bin/ping -c 1 -w 3 myserver
cmdSystemOrEval: finished: got output PING myserver (192.168.0.67) 56(84) bytes
of data.
64 bytes from myserver (192.168.0.67): icmp_seq=1 ttl=64 time=0.082 ms
--- myserver ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.082/0.082/0.082/0.000 ms
CheckHostAlive: returning 0.082
Backup aborted (auth required, but service web_backup is open/insecure)
Not saving this as a partial backup since it has fewer files than the prior one
(got 0 and 0 files versus 0)
dump failed: auth required, but service web_backup is open/insecure
-bash-3.2$
Now, I changed this to not require authentication just for testing...
$Conf{RsyncdAuthRequired} = 0
... and I got this error (snipped only relevant info...)
$ ./BackupPC_dump -f -v myserver
...
full backup started for directory web_backup
started full dump, share=web_backup
Connected to myserver:873, remote version 29
Negotiated protocol version 28
Error connecting to module web_backup at myserver:873: unexpected response: ''
Got fatal error during xfer (unexpected response: '')
cmdSystemOrEval: about to system /bin/ping -c 1 -w 3 myserver
cmdSystemOrEval: finished: got output PING myserver (192.168.0.67) 56(84) bytes
of data.
64 bytes from myserver (192.168.0.67): icmp_seq=1 ttl=64 time=0.094 ms
....
So, I've confirmed everything is working on the outside of BackupPC. I found
this thread which touches on what may be the issue:
http://www.adsm.org/lists/html/BackupPC-users/2008-06/msg00295.html
However, this "patch" did not work for me.
Does anyone have a clue on what I could be doing wrong?
Thanks!
//Clint Alexander
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