Difference between revisions of "IOS: Access List (ACLs)"
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| + | To apply ACLs: | ||
* <code>[[ip access-group]]</code> to apply an IPv4 access control list (ACL) to a Layer 3 interface | * <code>[[ip access-group]]</code> to apply an IPv4 access control list (ACL) to a Layer 3 interface | ||
Revision as of 09:06, 20 October 2020
Configuring IP Access Lists: https://www.cisco.com/c/en/us/support/docs/security/ios-firewall/23602-confaccesslists.html#acltypes
Types of ACLs:
- Standard ACLs
- Extended ACLs
- Lock and Key (Dynamic ACLs)
- IP Named ACLs, Reflexive ACLs, Time-Based ACLs Using Time Ranges, Commented IP ACL Entries, Context-Based Access Control, Authentication Proxy, Turbo ACLs, Distributed Time-Based ACLs, Receive ACLs, Infrastructure Protection ACLs, Transit ACLs.
Process: Define ACL + Apply ACL to interface
show access-listshow ip access-listrouter(config)#access-list 101 deny icmp any anyrouter(config)#access-list 101 permit ip any any
router(config)#ip access-list extended testrouter(config-ext-nacl)#permit ip host 2.2.2.2 host 3.3.3.3router(config-ext-nacl)#permit tcp host 1.1.1.1 host 5.5.5.5 eq wwwrouter(config-ext-nacl)#permit icmp any anyrouter(config-ext-nacl)#permit udp host 6.6.6.6 10.10.10.0 0.0.0.255 eq domain
To apply ACLs:
ip access-groupto apply an IPv4 access control list (ACL) to a Layer 3 interface
See also
- Cisco IOS: Cisco IOS XE, Config (mode), VLANs, Cisco IOS logging, VTP, ACLs,
show logging,show logging history,show interface status,debug,archive,show archive,conf t,int,ip http server,ip ssh,ip address, vty,show mac address-table,show access-list, Access-list,ip access-group,admin - ACL,
SubInACL.exe, Cisco ACLs,getfacl,setfacl,lsattr,chattr, xattr, NACLs
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