Specifications

Configuring Access Lists access-list (extended)
24-18 Security Configuration
To apply ACL restrictions to IP, UDP, or ICMP packets:
access-list access-list-number {deny | permit} protocol source [source-wildcard]
[operator [port]] destination [destination-wildcard] [operator [port]]
[tos-extensions][icmp-type [icmp-code] [log]
To apply ACL restrictions to TCP packets:
access-list access-list-number {deny | permit} protocol source [source-wildcard]
[operator [port]] destination [destination-wildcard] [operator [port]]
[tos-extensions][icmp-type [icmp-code] [established] [log]
no access-list access-list-number [entry]
Parameters
access‐list‐number Specifiesanextendedaccesslistnumber.Validvaluesarefrom100to
199.
insert|replaceentry (Optional)Insertsthisnewentrybeforeaspecifiedentryinanexisting
ACL,orreplacesaspecifiedentrywiththisnewentry.
log1‐5000|all EnablesyslogforACLentry
hits.Enablesyslogforsequentialnumbers
ofACLentriesorforallACLentries.
movedestination
source1source2
(Optional)Movesasequenceofaccesslistentriesbeforeanotherentry. 
Destinationisthenumberoftheexistingentrybeforewhichthisnew
entrywillbemoved.Source1isasingleentrynumberor
thefirstentry
numberintherangetobemoved.Source2(optional)isthelastentry
numberintherangetobemoved.Ifnotspecified,onlythesource1entry
willbemoved.
deny|permit Deniesorpermitsaccessifspecifiedconditionsaremet.
protocol SpecifiesanIPprotocolforwhich
todenyorpermitaccess.Validvalues
andtheircorrespondingprotocolsare:
•0–255‐AnyIPprotocolnumber,aslistedinhttp://www.iana.org/
assignments/protocol‐numbers
• ip‐AnyInternetprotocol
• icmp‐InternetControlMessageProtocol
• udp‐UserDatagramProtocol
• tcp‐TransmissionProtocol
• ah‐AuthenticationHeaderProtocol
• esp‐EncapsulationSecurityPayload
• gre
‐GenericRouterEncapsulationProtocol
source Specifiesthenetworkorhostfromwhichthepacketwillbesent.Valid
optionsforexpressingsourceare:
•IPaddressorrangeofaddresses(A.B.C.D)
• any‐Anysourcehost
• hostsource‐IPaddressofasinglesourcehost
source‐wildcard (Optional)Specifiesthebitstoignorein
thesourceaddress.