Bug 84583 - vsftpd-1.1.3-7 vsftpd still holding sockets quite long in TIME WAIT
vsftpd-1.1.3-7 vsftpd still holding sockets quite long in TIME WAIT
Status: CLOSED RAWHIDE
Product: Red Hat Raw Hide
Classification: Retired
Component: vsftpd (Show other bugs)
1.0
All Linux
medium Severity medium
: ---
: ---
Assigned To: Radek Vokal
Mike McLean
:
Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2003-02-19 01:24 EST by R P Herrold
Modified: 2007-04-18 12:51 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Environment:
Last Closed: 2004-09-09 07:08:06 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)

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Description R P Herrold 2003-02-19 01:24:17 EST
vsftpd in non-daemon mode -- (current rawhide as of today)  FYI type report
presently

[root@ftp log]# netstat -an
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 0.0.0.0:32768           0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:32769           0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:788             0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:21              0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:6011          0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:6012          0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:6013          0.0.0.0:*               LISTEN
tcp        0      0 10.250.0.253:24805      10.250.0.113:43218      TIME_WAIT
tcp        0      0 10.250.0.253:36760      10.250.0.113:43197      TIME_WAIT
tcp        0      0 10.250.0.253:44159      10.250.0.113:43165      TIME_WAIT
tcp        0      0 10.250.0.253:5265       10.250.0.113:43172      TIME_WAIT
tcp        0      0 10.250.0.253:62037      10.250.0.113:43234      TIME_WAIT
tcp        0      0 10.250.0.253:6737       10.250.0.113:43181      TIME_WAIT
tcp        0      0 10.250.0.253:52362      10.250.0.113:43163      TIME_WAIT
tcp        0      0 10.250.0.253:32778      10.250.0.113:22         ESTABLISHED
tcp        0      0 10.250.0.253:47717      10.250.0.113:43212      TIME_WAIT
tcp        0      0 10.250.0.253:33199      10.250.0.113:43223      TIME_WAIT
tcp        0      0 10.250.0.253:20202      10.250.0.113:43195      TIME_WAIT
tcp        0      0 10.250.0.253:9169       10.250.0.113:43158      TIME_WAIT
tcp        0      0 10.250.0.253:30553      10.250.0.113:43170      TIME_WAIT
tcp        0      0 10.250.0.253:54970      10.250.0.113:43235      TIME_WAIT
tcp        0     19 10.250.0.253:21         10.250.0.113:42709      ESTABLISHED
tcp        0      0 10.250.0.253:44340      10.250.0.113:43161      TIME_WAIT
tcp        0      0 10.250.0.253:62238      10.250.0.113:43175      TIME_WAIT
tcp        0      0 10.250.0.253:41201      10.250.0.113:43156      TIME_WAIT
tcp        0      0 10.250.0.253:27378      10.250.0.113:43217      TIME_WAIT
tcp        0      0 10.250.0.253:60070      10.250.0.113:43185      TIME_WAIT
tcp        0      0 10.250.0.253:16901      10.250.0.113:43193      TIME_WAIT
tcp        0      0 10.250.0.253:12747      10.250.0.113:43211      TIME_WAIT
tcp        0      0 10.250.0.253:58790      10.250.0.113:43231      TIME_WAIT
tcp        0      0 10.250.0.253:39363      10.250.0.113:43203      TIME_WAIT
tcp        0      0 10.250.0.253:9986       10.250.0.113:43229      TIME_WAIT
tcp        0      0 10.250.0.253:39824      10.250.0.113:43201      TIME_WAIT
tcp        0      0 10.250.0.253:60785      10.250.0.113:43188      TIME_WAIT
tcp        0      0 10.250.0.253:59718      10.250.0.113:43184      TIME_WAIT
tcp        0      0 10.250.0.253:19265      10.250.0.113:43186      TIME_WAIT
tcp        0      0 10.250.0.253:29013      10.250.0.113:43209      TIME_WAIT
tcp        0      0 10.250.0.253:47362      10.250.0.113:43204      TIME_WAIT
tcp        0      0 10.250.0.253:8569       10.250.0.113:43228      TIME_WAIT
tcp        0      0 10.250.0.253:39914      10.250.0.113:43174      TIME_WAIT
tcp        0      0 10.250.0.253:50034      10.250.0.113:43199      TIME_WAIT
tcp        0      0 10.250.0.253:30621      10.250.0.113:43179      TIME_WAIT
tcp        0      0 10.250.0.253:48855      10.250.0.113:43202      TIME_WAIT
tcp        0      0 10.250.0.253:55727      10.250.0.113:43205      TIME_WAIT
tcp        0      0 10.250.0.253:22         10.250.0.111:3138       ESTABLISHED
tcp        0      0 10.250.0.253:34557      10.250.0.113:43194      TIME_WAIT
tcp        0      0 10.250.0.253:64312      10.250.0.113:43224      TIME_WAIT
tcp        0      0 10.250.0.253:17781      10.250.0.113:43206      TIME_WAIT
tcp        0      0 10.250.0.253:13971      10.250.0.113:43220      TIME_WAIT
tcp        0      0 10.250.0.253:60053      10.250.0.113:43208      TIME_WAIT
tcp        0      0 10.250.0.253:51389      10.250.0.113:43210      TIME_WAIT
tcp        0      0 10.250.0.253:53701      10.250.0.113:43155      TIME_WAIT
tcp        0      0 10.250.0.253:27953      10.250.0.113:43215      TIME_WAIT
tcp        0      0 10.250.0.253:39683      10.250.0.113:43226      TIME_WAIT
tcp        0      0 10.250.0.253:47837      10.250.0.113:43227      TIME_WAIT
tcp        0      0 10.250.0.253:44524      10.250.0.113:43180      TIME_WAIT
tcp        0      0 10.250.0.253:38261      10.250.0.113:43221      TIME_WAIT
tcp        0      0 10.250.0.253:51046      10.250.0.113:43207      TIME_WAIT
tcp        0      0 10.250.0.253:42286      10.250.0.113:43237      TIME_WAIT
tcp        0      0 10.250.0.253:34644      10.250.0.113:43200      TIME_WAIT
tcp        0      0 10.250.0.253:29363      10.250.0.113:43189      TIME_WAIT
tcp        0      0 10.250.0.253:60006      10.250.0.113:43213      TIME_WAIT
tcp        0      0 10.250.0.253:17577      10.250.0.113:43171      TIME_WAIT
tcp        0      0 10.250.0.253:57328      10.250.0.113:43160      TIME_WAIT
tcp        0      0 10.250.0.253:61729      10.250.0.113:43159      TIME_WAIT
tcp        0      0 10.250.0.253:31168      10.250.0.113:43164      TIME_WAIT
tcp        0      0 10.250.0.253:57802      10.250.0.113:43236      TIME_WAIT
tcp        0      0 10.250.0.253:40296      10.250.0.113:43225      TIME_WAIT
tcp        0      0 10.250.0.253:39708      10.250.0.113:43167      TIME_WAIT
tcp        0      0 10.250.0.253:60271      10.250.0.113:43168      TIME_WAIT
tcp        0      0 10.250.0.253:5379       10.250.0.113:43230      TIME_WAIT
tcp        0      0 10.250.0.253:45651      10.250.0.113:43192      TIME_WAIT
tcp        0      0 10.250.0.253:57551      10.250.0.113:43178      TIME_WAIT
tcp        0      0 10.250.0.253:40428      10.250.0.113:43191      TIME_WAIT
tcp        0      0 10.250.0.253:15046      10.250.0.113:43219      TIME_WAIT
tcp        0   2576 10.250.0.253:22         10.16.33.101:32918      ESTABLISHED
tcp        0      0 10.250.0.253:62999      10.250.0.113:43198      TIME_WAIT
tcp        0      0 10.250.0.253:10040      10.250.0.113:43183      TIME_WAIT
tcp        0      0 10.250.0.253:56980      10.250.0.113:43190      TIME_WAIT
tcp        0      0 10.250.0.253:60849      10.250.0.113:43173      TIME_WAIT
tcp        0      0 10.250.0.253:65260      10.250.0.113:43222      TIME_WAIT
tcp        0      0 10.250.0.253:37694      10.250.0.113:43196      TIME_WAIT
tcp        0      0 10.250.0.253:31250      10.250.0.113:43157      TIME_WAIT
tcp        0      0 10.250.0.253:11792      10.250.0.113:43233      TIME_WAIT
tcp        0      0 10.250.0.253:22         10.250.0.111:3120       ESTABLISHED
tcp        0      0 10.250.0.253:7705       10.250.0.113:43216      TIME_WAIT
tcp        0      0 10.250.0.253:44061      10.250.0.113:43169      TIME_WAIT
tcp        0      0 10.250.0.253:25746      10.250.0.113:43177      TIME_WAIT
tcp        0      0 10.250.0.253:38808      10.250.0.113:43162      TIME_WAIT
tcp        0      0 10.250.0.253:8872       10.250.0.113:43182      TIME_WAIT
tcp        0      0 10.250.0.253:29355      10.250.0.113:43166      TIME_WAIT
tcp        0      0 10.250.0.253:58006      10.250.0.113:43214      TIME_WAIT
tcp        0      0 10.250.0.253:58585      10.250.0.113:43176      TIME_WAIT
tcp        0      0 10.250.0.253:52461      10.250.0.113:43232      TIME_WAIT
tcp        0      0 10.250.0.253:24353      10.250.0.113:43187      TIME_WAIT
udp        0      0 0.0.0.0:32768           0.0.0.0:*
udp        0      0 0.0.0.0:2049            0.0.0.0:*
udp        0      0 0.0.0.0:32770           0.0.0.0:*
udp        0      0 0.0.0.0:32771           0.0.0.0:*
udp        0      0 0.0.0.0:785             0.0.0.0:*
udp        0      0 0.0.0.0:67              0.0.0.0:*
udp        0      0 0.0.0.0:69              0.0.0.0:*
udp        0      0 0.0.0.0:111             0.0.0.0:*
raw        0      0 0.0.0.0:1               0.0.0.0:*               7
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
unix  10     [ ]         DGRAM                    803    /dev/log
unix  2      [ ACC ]     STREAM     LISTENING     1322   /var/lib/mysql/mysql.sock
unix  2      [ ACC ]     STREAM     LISTENING     1377   /dev/gpmctl
unix  3      [ ]         STREAM     CONNECTED     54473
unix  3      [ ]         STREAM     CONNECTED     54472
unix  3      [ ]         DGRAM                    54376
unix  3      [ ]         DGRAM                    54375
unix  3      [ ]         STREAM     CONNECTED     52791
unix  3      [ ]         STREAM     CONNECTED     52790
unix  2      [ ]         DGRAM                    48888
unix  3      [ ]         STREAM     CONNECTED     45884
unix  3      [ ]         STREAM     CONNECTED     45883
unix  2      [ ]         DGRAM                    1442
unix  2      [ ]         DGRAM                    1406
unix  2      [ ]         DGRAM                    1347
unix  2      [ ]         DGRAM                    1329
unix  2      [ ]         DGRAM                    1211
unix  2      [ ]         DGRAM                    865
unix  2      [ ]         DGRAM                    823
I have moved to the current rawhide, in hopes of resolving observed FTP server
lock-ups under RHL 8.0. updated.

[root@ftp log]# rpm -q vsftpd xinetd
vsftpd-1.1.3-7
xinetd-2.3.10-4
[root@ftp log]#

(I show xinetd, even through vsftpd rens as a non-xinetd mediated process in the
Raw Hide variant.)

A single remote FTP based install is running, and it still seems not to be
releasing sockets soon enough:

  638 ?        S      0:00 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
27036 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
27038 ?        S      0:08  |   \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
27135 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
27137 ?        S      0:00      \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
  649 ?        S      0:00 /usr/sbin/dhcpd
Comment 1 R P Herrold 2003-02-19 01:25:23 EST
bug ws opened as a personal placeholder during testing -- closing pending an
affirmative request for response.
Comment 2 R P Herrold 2003-02-19 02:02:12 EST
Unfortunately, by loading it up with lots of transactions, I can get the lockups
at will ...note the locks at:  01:36:16  and    01:38:35   ... whcih hang for a
long time before a retry can get it going again.  All transactions in a local
network segment.


Wed Feb 19 01:29:08 2003 1 10.250.0.113 95519
/pub/install/ftpinstall/headers/header.info b _ o a root@winston.victim.lan ftp
0 * c
Wed Feb 19 01:33:04 2003 55 10.250.0.113 95519
/pub/install/ftpinstall/headers/header.info b _ o a root@winston.victim.lan ftp
0 * c
Wed Feb 19 01:35:57 2003 1 10.250.0.113 124076
/pub/install/ftpinstall/RedHat/RPMS/lokkit-0.50-20.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:35:57 2003 1 10.250.0.113 165906
/pub/install/ftpinstall/RedHat/RPMS/libgnomecanvas-2.2.0.1-1.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:35:57 2003 1 10.250.0.113 122427
/pub/install/ftpinstall/RedHat/RPMS/xinetd-2.3.10-4.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:35:58 2003 1 10.250.0.113 27926
/pub/install/ftpinstall/RedHat/RPMS/libao-0.8.3-3.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:35:58 2003 1 10.250.0.113 44462
/pub/install/ftpinstall/RedHat/RPMS/cdparanoia-alpha9.8-15.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:35:59 2003 1 10.250.0.113 906253
/pub/install/ftpinstall/RedHat/RPMS/splint-3.0.1.7-0.20030123.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:01 2003 2 10.250.0.113 1404666
/pub/install/ftpinstall/RedHat/RPMS/foomatic-2.0.2-15.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:02 2003 1 10.250.0.113 906293
/pub/install/ftpinstall/RedHat/RPMS/redhat-logos-1.1.9-1.noarch.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:03 2003 1 10.250.0.113 235089
/pub/install/ftpinstall/RedHat/RPMS/perl-Filter-1.29-3.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:11 2003 8 10.250.0.113 7275219
/pub/install/ftpinstall/RedHat/RPMS/emacs-el-21.2-32.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:13 2003 1 10.250.0.113 57076
/pub/install/ftpinstall/RedHat/RPMS/perl-XML-Grove-0.46alpha-25.noarch.rpm b _ o
a root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:15 2003 2 10.250.0.113 1595556
/pub/install/ftpinstall/RedHat/RPMS/watanabe-vf-1.0-11.noarch.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:15 2003 1 10.250.0.113 178841
/pub/install/ftpinstall/RedHat/RPMS/readline-4.3-5.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:15 2003 1 10.250.0.113 33282
/pub/install/ftpinstall/RedHat/RPMS/isdn4k-utils-devel-3.1-62.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:15 2003 1 10.250.0.113 6608
/pub/install/ftpinstall/RedHat/RPMS/libattr-2.2.0-1.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:16 2003 1 10.250.0.113 12589
/pub/install/ftpinstall/RedHat/RPMS/diffstat-1.31-2.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:16 2003 1 10.250.0.113 27616
/pub/install/ftpinstall/RedHat/RPMS/libao-devel-0.8.3-3.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:36:16 2003 1 10.250.0.113 13369
/pub/install/ftpinstall/RedHat/RPMS/lockdev-devel-1.0.0-23.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:15 2003 119 10.250.0.113 77765
/pub/install/ftpinstall/RedHat/RPMS/audiofile-devel-0.2.3-6.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:18 2003 3 10.250.0.113 2373779
/pub/install/ftpinstall/RedHat/RPMS/XFree86-libs-4.2.99.901-20030213.0.i386.rpm
b _ o a root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:19 2003 1 10.250.0.113 30966
/pub/install/ftpinstall/RedHat/RPMS/ypbind-1.11-4.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:20 2003 1 10.250.0.113 1171495
/pub/install/ftpinstall/RedHat/RPMS/a2ps-4.13b-28.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:21 2003 1 10.250.0.113 181130
/pub/install/ftpinstall/RedHat/RPMS/openssh-3.5p1-6.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:21 2003 1 10.250.0.113 126907
/pub/install/ftpinstall/RedHat/RPMS/rsync-2.5.5-4.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:24 2003 3 10.250.0.113 2201245
/pub/install/ftpinstall/RedHat/RPMS/sendmail-8.12.7-7.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:26 2003 2 10.250.0.113 1898122
/pub/install/ftpinstall/RedHat/RPMS/gcc-c++-3.2.1-7.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:27 2003 1 10.250.0.113 127567
/pub/install/ftpinstall/RedHat/RPMS/pyOpenSSL-0.5.1-5.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:27 2003 1 10.250.0.113 14764
/pub/install/ftpinstall/RedHat/RPMS/tmpwatch-2.8.4-5.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:28 2003 1 10.250.0.113 88152
/pub/install/ftpinstall/RedHat/RPMS/rpm-python-4.2-0.66.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:33 2003 5 10.250.0.113 3894367
/pub/install/ftpinstall/RedHat/RPMS/urw-fonts-2.0-29.noarch.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:34 2003 1 10.250.0.113 419386
/pub/install/ftpinstall/RedHat/RPMS/krb5-libs-1.2.7-7.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:34 2003 1 10.250.0.113 158281
/pub/install/ftpinstall/RedHat/RPMS/libvorbis-1.0-5.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:35 2003 1 10.250.0.113 63972
/pub/install/ftpinstall/RedHat/RPMS/ltrace-0.3.29-1.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:35 2003 1 10.250.0.113 49688
/pub/install/ftpinstall/RedHat/RPMS/gd-devel-1.8.4-11.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:35 2003 1 10.250.0.113 67026
/pub/install/ftpinstall/RedHat/RPMS/expat-1.95.5-2.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Wed Feb 19 01:38:35 2003 1 10.250.0.113 30338
/pub/install/ftpinstall/RedHat/RPMS/logrotate-3.6.8-1.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c

Wed Feb 19 01:43:35 2003 300 10.250.0.113 94582
/pub/install/ftpinstall/RedHat/RPMS/pam_krb5-1.60-1.i386.rpm b _ o a
root@winston.victim.lan ftp 0 * c
Comment 3 Radek Vokal 2004-08-25 05:25:00 EDT
Can you check if the bug appears in vsftpd-2.0.1? 
Comment 4 R P Herrold 2004-08-30 17:26:49 EDT
will check
Comment 5 R P Herrold 2004-08-31 14:39:10 EDT
I droppe the new vsftpd, build from the RawHide sources in place on a
host which is self tested every 5 minutes by Nagios -- The observed
stale (closed) connections hanging around seems similar to what was
observed previously.

That said, the issue is not disabling -- this ticket may be closed if
you wish.

Tnanks -- Russ Herrold

1118 ?        S      0:00 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
 1121 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
 1123 ?        S      0:03  |   \_ /usr/sbin/vsftpd
/etc/vsftpd/vsftpd.conf
 1130 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
 1132 ?        S      0:01  |   \_ /usr/sbin/vsftpd
/etc/vsftpd/vsftpd.conf
 1137 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
 1139 ?        S      0:02  |   \_ /usr/sbin/vsftpd
/etc/vsftpd/vsftpd.conf
 1149 ?        S      0:00  \_ /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
 1151 ?        S      0:02      \_ /usr/sbin/vsftpd
/etc/vsftpd/vsftpd.conf
24675 ?        S      0:00 /usr/bin/nagios -d /etc/nagios/nagios.cfg
24676 ?        S      0:00  \_ /usr/lib/nagios/plugins/check_ping -H
10.10.10.18
24677 ?        S      0:00      \_ /bin/ping -n -U -c 5 10.10.10.184

[root@squid grub]# rpm -q vsftpd
vsftpd-2.0.1-2

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