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need to block few ip address

Sipl_24034
Level 1
Level 1

hello ,

our antivirus ask us to block few ips in network.those ip are from Internet.

 queries -

our Network structure is first come router-firewall-core.

where i can block infected ip address ?

on router or on firewall .

if in router then please provide us command for same

4 Replies 4

Tagir Temirgaliyev
Spotlight
Spotlight

please provide us router configuration exept passwords and ip

sh runn

Log file attached herewith


conf t
ip access-list extended FromWorld
deny ip any 192.168.0.0 0.0.255.255
deny ip any 172.16.0.0 0.15.255.255
deny ip any 10.0.0.0 0.255.255.255
!------------ add your lines here like ---- deny ip host a.b.c.d any
permit ip any any
!

interface GigabitEthernet0/0
description "LINK TO RAILTEL INTERNET"
ip access-group FromWorld in
exi
exi

wr

The firewall would be the typical place to enforce access-control which includes blocking communication with IPs on the internet. There are multiple ways to achieve that, and using ACLs is probably not the best when you are talking about "infected PC". But that depends on the equipment you have.

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