iptable笔记

2740阅读 0评论2014-03-14 deargentle
分类:网络与安全

tcpdump not port 22 
tcpdump ip host 172.31.0.222 and ! 172.31.0.223
  tcpdump host 110.34.211.18

 iptables -A INPUT -s 110.34.211.18 -j DROP
 iptables -A OUTPUT -d 110.34.211.18 -j DROP

iptable -I INPUT -p icmp  -j REJECT
 
[root@imrlocalweb ~]# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
DROP       all  --  110.34.211.18        anywhere            

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination         
DROP       all  --  anywhere             110.34.211.18   
--------------
[root@web ~]# ps -ef|grep jwswtr.rd
root     12752     1  0 Mar13 ?        00:00:00 /lib/jwswtr.rd
root     28804 12752  0 09:31 ?        00:00:00 /lib/jwswtr.rd
root     28841 28373  0 09:37 pts/3    00:00:00 grep jwswtr.rd
[root@web ~]# lsof -i:12752
[root@web ~]# lsof -p 12752
COMMAND     PID USER   FD   TYPE DEVICE SIZE/OFF     NODE NAME
jwswtr.rd 12752 root  cwd    DIR  253,0     4096 32834101 /jboss-4.0.5.GA/bin
jwswtr.rd 12752 root  rtd    DIR  253,0     4096        2 /
jwswtr.rd 12752 root  txt    REG  253,0  1105372 65602318 /lib/jwswtr.rd
jwswtr.rd 12752 root    0r  FIFO    0,6      0t0    45536 pipe
jwswtr.rd 12752 root    1w  FIFO    0,6      0t0    45537 pipe
jwswtr.rd 12752 root    2w  FIFO    0,6      0t0    45538 pipe
jwswtr.rd 12752 root    3r   REG  253,0        0 65602482 /lib/0 (deleted)
[root@web ~]# 
[root@web ~]# lsof -p 28804
COMMAND     PID USER   FD   TYPE DEVICE SIZE/OFF     NODE NAME
jwswtr.rd 28804 root  cwd    DIR  253,0     4096 32834101 /jboss-4.0.5.GA/bin
jwswtr.rd 28804 root  rtd    DIR  253,0     4096        2 /
jwswtr.rd 28804 root  txt    REG  253,0  1105372 65602318 /lib/jwswtr.rd
jwswtr.rd 28804 root    0r  FIFO    0,6      0t0    45536 pipe
jwswtr.rd 28804 root    1w  FIFO    0,6      0t0    45537 pipe
jwswtr.rd 28804 root    2w  FIFO    0,6      0t0    45538 pipe
jwswtr.rd 28804 root    3r   REG  253,0        0 65602482 /lib/0 (deleted)
jwswtr.rd 28804 root    4u  sock    0,5      0t0   141009 can't identify protocol
jwswtr.rd 28804 root    5u  IPv4 141012      0t0      TCP 110.38.61.51:29197->110.34.211.18:afs3-callback (ESTABLISHED)
jwswtr.rd 28804 root    6u   raw             0t0   141017 00000000:0011->00000000:0000 st=07
[root@web ~]# 
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