(no subject)
yiming
yiming at db-2.hazzptt.net.cn
Wed Feb 14 05:31:11 UTC 2001
somebody can help me ? sorry for this long question
i've install bind 8.2.3 (on sun enterprise 4500,sola
ris2.6,100M bandwidth)
but every time it startup for a few hours or few days, it refused any dns request,
and produced messages like below:
--
Feb 11 15:10:21 dns named[29505]: send_msg: sendto([1.2.3.4.91].63162): Resource temporarily unavailable
Feb 11 15:10:21 dns named[29505]: send_msg: sendto(1.2.3.35].4892): Resource temporarily unavailable
Feb 11 15:11:21 dns named[29505]: ns_req: sendto([1.2.3.30].4563): Resource temporarily unavailable
--
at this time i use "netstat -I hme0 2" to check the packets,
------
input hme0 output input (Total) output
packets errs packets errs colls packets errs packets errs colls
219300388 1 187418019 0 0 219424585 1 187615365 0 0
4261 0 2100 0 0 4261 0 2103 0 0
4082 0 2081 0 0 4082 0 2082 0 0
4146 0 2152 0 0 4146 0 2152 0 0
4072 1 1833 0 0 4074 1 1835 0 0
4348 0 2037 0 0 4348 0 2037 0 0
4425 0 1949 0 0 4425 0 1949 0 0
4031 0 1749 0 0 4031 0 1751 0 0
4013 0 1853 0 0 4013 0 1855 0 0
-------
and find the input packets was increased as much again(when named can resolve,the input packets is about 2000), is somebody Dos me ? or anything else?
i use ngrep to check the packets towards me,below are ngrep result of icmp,udp
ngrep "*" icmp
-------------
I 61.136.103.73 -> mydnsserver 3:3
....E..xS. at ....N.fàD=.gI.5.à.dr,
#
I 202.110.113.130 -> mydnsserver 8:0
....abcdefghijklmnopqrstuvwabcdefghi
#
I mydnsserver -> 202.110.113.130 0:0
....abcdefghijklmnopqrstuvwabcdefghi
#
I 61.158.250.24 -> mydnsserver 3:3
....E..... at ...àS.fàD=....5....}.
#
I 202.111.132.247 -> mydnsserver 8:0
....abcdefghijklmnopqrstuvwabcdefghi....
#
I mydnsserver -> 202.111.132.247 0:0
....abcdefghijklmnopqrstuvwabcdefghi....
#
I 202.97.10.185 -> mydnsserver 3:1
....E..|.. at ......fàD..d..5...hò9
#
I 61.136.99.223 -> mydnsserver 3:3
....E....u at ....F.fàD=.c..5.2...c
#
I 202.110.75.72 -> mydnsserver 3:3
....E...f(@...X..fàD.nKH.5......
#
I 202.104.143.26 -> 202.102.224.46 11:0
....E..9.)@....y.fà..hv....5.%c>
#
I 61.158.253.53 -> mydnsserver 4:0
....E....@@....x.fàD=..M.5"`...Q
#
I 202.97.10.185 -> mydnsserver 3:1
....E..<.. at ....m.fàD..d..5...(.u
#
I 61.158.131.3 -> mydnsserver 3:3
....E..r.c at ......fàD=....5. .^\.
ngrep "*" udp
U 211.100.1.2:53 -> 202.102.224.46:34770
.............yilan2.topcool.net.....
#
U 202.102.224.46:34770 -> 211.100.25.85:53
.............yilan2.topcool.net.....
#
U 61.168.7.216:3781 -> mydnsserver:53
.............www.cn129.org.....
#
U 61.158.160.215:1053 -> mydnsserver:53
.............sz5.tencent.com.....
#
U mydnsserver:53 -> 61.168.7.216:3781
.............www.cn129.org.............I....f..........I....dns1.cnmay
.com..;...........e..
#
U mydnsserver:53 -> 61.158.160.215:1053
.............sz5.tencent.com..............+...`...........*...imok.net
..=......2....g.(
#
U 61.163.135.44:1025 -> mydnsserver:53
.............www.oicp88.com.....
#
U mydnsserver:53 -> 61.163.135.44:1025
.............www.oicp88.com.............%..A.A.ROOT-SERVERS.NET..hostm
aster.nsiregistry.;wE)t..........:...Q.
#
U 202.110.108.100:1088 -> mydnsserver:53
.............sz2.tencent.com.....
#
U mydnsserver:53 -> 202.110.108.100:1088
.............sz2.tencent.com..............+...`...........*...imok.net
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