Wild Stuff

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# Wild Stuff - PowerPoint PPT Presentation

Wild Stuff. Extended ACL. General ACL. Standard ACL. Got the Right Number?. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Semester 3. ACL. JEOPARDY. Access Control List REVIEW.

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Presentation Transcript

Wild Stuff

Extended

ACL

General

ACL

Standard

ACL

Got the Right

Number?

100

100

100

100

100

200

200

200

200

200

300

300

300

300

300

400

400

400

400

400

500

500

500

500

500

### Semester 3

ACL

JEOPARDY

Access Control List REVIEW

Wild Stuff100

What a binary 1 means in a wildcard

A: What is Ignore that bit?

Wild Stuff300

Decimal value used when you want to match the first four digits but ignore the last four in an octet

A: What is 15 (00001111)?

Wild Stuff200

The number used to permit an entire class C network

A: What is 255 or 0.0.0.255?

Wild Stuff400

Another term used by Cisco for a Wildcard

A: What is an Inverse Mask?

Wild Stuff500

Wildcard mask required to block or permit an entire class B network

A: What is 0.0.255.255?

Extended ACL100

What gt means in an extended ACL

A: What is greater than?

Extended ACL200

Extended ACL should always be placed here.

A: Where is closest to the Source?

Extended ACL300

The command used to apply an IP extended ACL.

A: What is IP access-group 100 (thru199) in (or out)?

Extended ACL400

Extended ACLs can filter traffic based on four things

A: What is the source IP, destination IP, protocol and port#?

Extended ACL500

What the following ACL does:

access-list 125 permit TCP host 125.5.5.6

0.0.0.255 199.25.4.18 eq 23

A: What is permits telnet traffic from host 125.5.5.6 to any host on network 199.25.4.0 and denies all other traffic (remember the implicit deny all at the end of all ACLs)?

General ACL100

What ACL do to packets.

A: What is Filter?

General ACL200

The flow of packets through an interface can be controlled in two directions.

A: What is In and Out?

General ACL300

The last statement of every ACL

A: What is a an implicit deny all?

General ACL400

New lines added to an ACL will be placed here.

A: What is at the end of the ACL?

General ACL500

An ACL that is not referred to by number.

A: What is a named ACL?

Standard ACL100

Standard ACLs filter traffic based on this address.

A: What is the Source IP Address?

Standard ACL200

Standard ACL should always be placed on this router.

A: What is the router closest to the destination?

Standard ACL300

The word that can replace

0.0.0.0 255.255.255.255 in an ACL

A: What is Any?

Standard ACL400

What this ACL does

access-list 24 permit 0.0.0.0 205.12.6.95

A: What is permits host 205.12.6.95 access and denies all other traffic (remember the implicit deny all is the last statement. How the ACL is applied determines whether the traffic is filtered coming in our out of the router)?

Standard ACL500

What the following ACL does:

access-list 95 permit 0.0.0.31 215.2.3.128

A: What is permit the following range of IP addresses, 215.2.3.128 through 215.2.3.159, to be forwarded and denies all other traffic.?

Got the Right Number?100

An ACL that starts with:

Access-list 25...

A: What is a Standard Access List (1-99)?

Got the Right Number?200

The range of numbers used in Extended ACL lists.

A: What is 100-199?

Got the Right Number?300

Has an ACL with a number of 825.

A: What is a StandardIPX access-list?

Got the Right Number?400

The range of values that can be assigned to an Extended IPX access list.

A: What is 900-999?

Got the Right Number?500

The ACL number for an IPX SAP Filter

A: What is 1000-1099?