With is extended ACL mode we will get few more options for block or host pc to another server /pc .
Explanation details :-
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Router(config)#access-list ?
1-99 IP standard access list
100-199 IP extended access list
Router(config)#access-list 100 ?
deny Specify packets to reject
permit Specify packets to forward
remark Access list entry comment
Router(config)#access-list 100 deny ?
ahp Authentication Header Protocol
eigrp Cisco's EIGRP routing protocol
esp Encapsulation Security Payload
gre Cisco's GRE tunneling
icmp Internet Control Message Protocol
ip Any Internet Protocol
ospf OSPF routing protocol
tcp Transmission Control Protocol
udp User Datagram Protocol
Router(config)#access-list 100 deny ip ?
A.B.C.D Source address
any Any source host
host A single source host
Router(config)#access-list 100 deny ip 172.168.0.140 255.255.0.0 192.168.0.100 255.255.255.0
Router(config)#
Router(config)#access-list 100 permit any any
^
% Invalid input detected at '^' marker.
Router(config)#
Router(config)#int s0/0
Router(config-if)#ip access-group 100 out
Router(config-if)#int f0/0
Router(config-if)#ip access-group 100 in
-------------Please subscribe this channel-----------------------------
Негізгі бет ACL -(Extended access control list) 3rd part = MD SHAMRAT MIAH
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