 

Web

 ,  HOWTO,  FAQ, patch-o-matic,  
 (netfilter.org).

  (www.faqs.org/docs/iptables).

    (www. linuxguruz. com/iptables).
 HOWTO

 KemelAnalysis-HOWTO.

 IP Masquerade HOWTO (  ).

 .Netfilter Extensions HOWTO (  netfilter. org 

www.iptables.org/documentation/HOWTO/netfilter-extensions-HOWTO.html).

. TCP Illustrated (TCP  ) .   (W. Richard Stevens),
Addison-Wesley, 1993.

 

  :

 iptables

   chkconfig   iptables   :

# /sbin/chkconfig iptables on

      (.  "-
 :     "  11)  -
    iptables       2-5, 
 0, 1  6        
  .



 iptables        -
 .       Linux    Apache, vsftpd  sshd 
 ,   ,   , iptables
    iptables,     -
 ,     .

           
  . -,    iptables   
      .     
 /etc/rc.d/rc.local.

-,  iptables      /etc/
sysconfig/iptables.     system-config-securitylevel (.
 " ,   system-config-securitylevel" 
  ),    Anaconda (.  "  Ana-
conda"  3),         -
  iptables   /etc/sysconfig/iptables.

760  V.     