[Comm] ?:tftp/xinetd/cisco
Oleg K. Artemjev
=?iso-8859-1?q?olli_=CE=C1_rbauto=2Eru?=
Чт Авг 21 18:45:49 MSD 2003
Добрый вечер.
Как-то странно отваливается tftpd. Вопрос - это мне так повезло на нерабочую
опцию наткнуться или он в мастере 2.0 кривой от рождения? :? Или я таки сам
виноват и злобный буратина? ?-) Так все таки - what's the f***?
Вот что у меня имеется:
система: Alt Master 2.0:
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[root на ws002 root]# uname -a
Linux ws002.mo.sim 2.4.18-alt6master-up #1 Tue Apr 16 14:50:56 MSD 2002 i686 unknown
[root на ws002 root]#
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конфиги:
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[root на ws002 root]# cat /etc/xinetd.conf | grep -v ^\$| grep -v ^\#
defaults
{
log_type = SYSLOG authpriv
log_on_success = PID HOST USERID EXIT DURATION
log_on_failure = HOST RECORD USERID
instances = 25
per_source = 5
only_from = 127.0.0.1
}
includedir /etc/xinetd.d
[root на ws002 root]# cat /etc/xinetd.d/tftp| grep -v ^\$| grep -v ^\#
service tftp
{
disable = no
socket_type = dgram
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -v -c -u tftp -s /0tftpd-storedir
}
[root на ws002 root]#
[olli на ws002 tmp]$ cat /etc/hosts.allow | grep tftpd
in.tftpd: 62.141.68.169
in.tftpd: 127.0.0.1
in.tftpd: 62.118.145.167
in.tftpd: 172.16.11.1
in.tftpd: 192.168.100.241
in.tftpd: 192.168.200.241
in.tftpd: 192.168.100.244
in.tftpd: 192.168.100.246
in.tftpd: 192.168.100.249
in.tftpd: 192.168.200.249
[olli на ws002 tmp]$
[root на ws002 root]# /etc/rc.d/init.d/ipchains status
Chain input (policy ACCEPT):
Chain forward (policy ACCEPT):
Chain output (policy ACCEPT):
[root на ws002 root]#
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каталог:
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[olli на ws002 tmp]$ lsattr /0tftpd-storedir/
-------------- /0tftpd-storedir//startup-config
-------------- /0tftpd-storedir//running-config
[olli на ws002 tmp]$ lsattr -d /0tftpd-storedir/
-------------- /0tftpd-storedir/
[olli на ws002 tmp]$ ls -ld /0tftpd-storedir/
drwxrwxrwt 2 root root 1024 Авг 4 10:33 /0tftpd-storedir/
[olli на ws002 tmp]$ ls -l /0tftpd-storedir/
total 0
-rw-rw-rw- 1 root wheel 0 Янв 22 2003 running-config
-rw-rw-rw- 1 root wheel 0 Янв 22 2003 startup-config
[olli на ws002 tmp]$
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на киске:
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3550gbic на 4=cs241#copy run tftp
Source filename [running-config]?
Address or name of remote host []? 192.168.100.2
Destination filename [3550gbic на 4=cs241-confg]? 3550gbic на 4=cs241.running-config.20030821.17:45
.....
%Error opening tftp://192.168.100.2/3550gbic@4=cs241.running-config.20030821.17:45 (Timed out)
3550gbic на 4=cs241#ping 192.168.100.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
=3550gbic на 4=cs241#sh ru | in ess 192
ip address 192.168.100.241 255.255.255.0
ip address 192.168.200.241 255.255.255.0
3550gbic на 4=cs241#
И еще:
Password:
3550gbic на 4=cs241>en
Password:
3550gbic на 4=cs241#copy run tftp
Source filename [running-config]?
Address or name of remote host []? 192.168.100.2
Destination filename [3550gbic на 4=cs241-confg]? running-config
.....
%Error opening tftp://192.168.100.2/running-config (Timed out)
3550gbic на 4=cs241#
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в логах:
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Aug 21 14:58:05 ws002 xinetd[23522]: Started working: 3 available services
Aug 21 14:58:07 ws002 xinetd: xinetd startup succeeded
Aug 21 14:58:37 ws002 xinetd[23522]: START: tftp pid=23526 from=127.0.0.1
Aug 21 15:13:37 ws002 xinetd[23522]: EXIT: tftp status=0 pid=23526 duration=900(sec)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {general_handler} (24840) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24840]: {bad_signal} Received 10 signals in 1 seconds. Exiting...
Aug 21 17:46:50 ws002 xinetd[23522]: START: tftp pid=24840 from=192.168.100.241
Aug 21 17:46:50 ws002 xinetd[23522]: EXIT: tftp status=1 pid=24840 duration=0(sec)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24841]: {general_handler} (24841) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[23522]: START: tftp pid=24841 from=192.168.100.241
Aug 21 17:46:50 ws002 xinetd[24841]: {bad_signal} Received 10 signals in 1 seconds. Exiting...
Aug 21 17:46:50 ws002 xinetd[23522]: EXIT: tftp status=1 pid=24841 duration=0(sec)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[23522]: START: tftp pid=24842 from=192.168.100.241
Aug 21 17:46:50 ws002 xinetd[24842]: {general_handler} (24842) Unexpected signal: 11 (Segmentation fault)
Aug 21 17:46:50 ws002 xinetd[24842]: {bad_signal} Received 10 signals in 1 seconds. Exiting...
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в tcpdump:
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[root на ws002 root]# tcpdump -i eth0 -lenvvv '(ether src 00:05:5D:28:3C:AE or ether dst 00:05:5D:28:3C:AE)'| grep tftp
tcpdump: listening on eth0
18:35:30.730836 0:c:ce:d3:bc:0 0:5:5d:28:3c:ae ip 73: 192.168.100.241.53773 > 192.168.100.2.tftp: [udp sum ok] 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 0, len 59)
18:35:34.732060 0:c:ce:d3:bc:0 0:5:5d:28:3c:ae ip 73: 192.168.100.241.53773 > 192.168.100.2.tftp: [udp sum ok] 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 1, len 59)
18:35:34.732110 0:5:5d:28:3c:ae 0:c:ce:d3:bc:0 ip 101: 192.168.100.2 > 192.168.100.241: icmp: 192.168.100.2 udp port tftp unreachable for 192.168.100.241.53773 > 192.168.100.2.tftp: 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 1, len 59) [tos 0xc0] (ttl 255, id 48476, len 87)
18:35:39.732441 0:c:ce:d3:bc:0 0:5:5d:28:3c:ae ip 73: 192.168.100.241.53773 > 192.168.100.2.tftp: [udp sum ok] 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 2, len 59)
18:35:39.732468 0:5:5d:28:3c:ae 0:c:ce:d3:bc:0 ip 101: 192.168.100.2 > 192.168.100.241: icmp: 192.168.100.2 udp port tftp unreachable for 192.168.100.241.53773 > 192.168.100.2.tftp: 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 2, len 59) [tos 0xc0] (ttl 255, id 48477, len 87)
18:35:45.732882 0:c:ce:d3:bc:0 0:5:5d:28:3c:ae ip 73: 192.168.100.241.53773 > 192.168.100.2.tftp: [udp sum ok] 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 3, len 59)
18:35:52.733393 0:c:ce:d3:bc:0 0:5:5d:28:3c:ae ip 73: 192.168.100.241.53773 > 192.168.100.2.tftp: [udp sum ok] 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 4, len 59)
18:35:52.733422 0:5:5d:28:3c:ae 0:c:ce:d3:bc:0 ip 101: 192.168.100.2 > 192.168.100.241: icmp: 192.168.100.2 udp port tftp unreachable for 192.168.100.241.53773 > 192.168.100.2.tftp: 31 WRQ "3550gbic на 4=cs241-confg" (ttl 255, id 4, len 59) [tos 0xc0] (ttl 255, id 48478, len 87)
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--
Bye.Olli. http://olli.digger.org.ru
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