Term
Well known TCP Port numbers
FTP
Telnet
SMTP
HTTP
POP3
Secure HTTP |
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Definition
FTP - 21
Telnet - 23
SMTP - 25
HTTP - 80
POP3 - 110
Secure HTTP - 443 |
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Term
Well know UDP Port Numbers
TFTP
RIP |
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Definition
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Term
Well known TCP / UDP port numbers
DNS
SNMP |
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Definition
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Term
Port Ranges
Well known
Registered
Private / Dynamic |
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Definition
Well Known -- 0 to 1023
Registered -- 1024 to 49151
Private / dynamic -- 49152 to 65535 |
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Term
| What are the three P's of ACL's? |
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Definition
| One ACL Per protocol, Per direction, Per interface |
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Term
| A standard ACL allow you to filter on which criteria? |
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Definition
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Term
| Write an ACL which allows traffic from any address on 192.168.30.0/24 to any destination host port 80. |
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Definition
| R1(config)# access-list 103 permit tcp 192.168.30.0 0.0.0.255 any eq 80 |
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Term
Numbered ACL ranges
Standard
Extended |
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Definition
Standard 1 to 99 AND 1300 to 1999
Extended 100 to 199 and 2000 to 2699 |
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Term
| What is the biggest difference between numbered and named ACL's? |
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Definition
| Named ACL's can have entries added and removed. Numbered ACL's may only add entries to the end of a list. |
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Term
Wildcard Masks -- What is the associated IP address to
192.168.1.1 0.0.0.0 |
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Definition
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Term
Wildcard Masks -- What is the associated IP address to
192.168.1.1 255.255.255.255 |
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Definition
| 0.0.0.0 Everything will match with the mask of 255.255.255.255. |
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Term
Wildcard Masks -- What is the associated IP address range to
192.168.16.0 0.0.15.255 |
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Definition
| 192.168.16.0 to 192.168.31.0 |
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Term
| Define the Wildcard bitmask keywords --- host --- any |
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Definition
host = 0.0.0.0 = specific ip address
any = 255.255.255.255 = any ip address |
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Term
| What are the configuration commands which would apply access-list 1 out if fa0/0? |
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Definition
R1(config)# int fa0/0
R1(config-if)# ip access-group 1 out |
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Term
| Series of ACL commands to control VTY access to (0 4) |
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Definition
R1(config)# line vty 0 4
R1(config-line)# login
R1(config-line)# password secret
R1(config-line)# access-class 21 in |
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Term
| What function does the the ACL parameter "established" accomplish? |
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Definition
R1(config)# access-list 104 permit tcp any 192.168.10.0 0.0.0.255 established
This allows tcp traffic to enter the network if the traffic originated from inside the network. |
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Term
| Which two show commands will give information about ACL's? |
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Definition
show running-config
show access-lists |
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Term
| A lock-and-key ACL is also called a __________. |
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Definition
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