

 . 25.1    iptables:

 25.1.   iptables
        

append (-)     (),  -,  
.    -,   -
 .

iptables -  - -jump 

delete (-D)       ,  - 
-.
iptables -D  - \ -

insert (-1)     (),  -   
   ,   -.  -
  ,     1     .

iptables -I  - - -jump 

-replace (-R)     -  -  .
 -      , 
 .

iptables -R  - I - -jump 

list (-L)         .    ,    
.       linenumbers.
iptables -L [] -

flush (-F)         .    ,  
   .

iptables -F []

zero (-2)        0          

 ,    .      -
      -L.

iptables -Z [-L] []

-delete-chain   ,  .   
(-X)             ,   ,  .  
,    .

iptables -X 

policy (-P)           .  -
   ,      .
    ,     .

iptables -P - -

rename-chain       .
(~)             iptables -E  

help (-h)           iptables.

iptables -h

  ,     ,  
   -h.      "
   "    .

764                            V.     