ACCESS CONTROL LIST CBT 1

Channel:
India Tech Dude
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Published on ● Video Link: https://www.youtube.com/watch?v=YiS6GxjILsY


Duration: 10:25
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1

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Earliest method of providing network security.
It provides layer 3 and layer 4 security.
Controls the flow of traffic from one network to another.
Filters Packets (Packet Filtering Firewall)
It provides
layer 3
layer 4 security
Controls
the flow
traffic from one
Filters Packets
Deny : Blocking a
network/subnet/host/service.
Permit
Allowing a
network
subnet
host
service.
Source Address
request starts
Destination address
request ends
Inbound :
Traffic coming
Outbound
Traffic going out
TCP
UDP
ICMP
Operators
Services
HTTP (80)
FTP (20
21)
TELNET (23)
DNS (53)
DHCP (67
68)
ACL statement.
0 indicates
1 indicates
range is 1 – 99
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Please watch: "Canon EOS 3000D 18MP Digital SLR Camera with 18-55mm is II Lens, 16GB Card and Carry Case"
https://www.youtube.com/watch?v=294E8E_L9m8
-~-~~-~~~-~~-~-



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Tags:
It provides
layer 3
layer 4 security
Controls
the flow
traffic from one
Filters Packets
Deny : Blocking a
network/subnet/host/service.
Permit
Allowing a
network
subnet
host
service.
Source Address
request starts
Destination address
request ends
Inbound :
Traffic coming
Outbound
Traffic going out
TCP
UDP
ICMP
Operators
Services
HTTP (80)
FTP (20
21)
TELNET (23)
DNS (53)
DHCP (67
68)
ACL statement.
0 indicates
1 indicates
range is 1 – 99.