Refer to page 119 of the textbook to answer this question. Modify the ACL in Fig
ID: 3871936 • Letter: R
Question
Refer to page 119 of the textbook to answer this question. Modify the ACL in Figure 3-23 to incorporate the following rules:
No connection for Simple Mail Transfer Protocol (SMTP) applications should be allowed.
Add access to a Simple Mail Transfer Protocol over TLS/SSL (SMTPS) server with IP
address 10.75.151.23.
Keep the existing rule for Web server access.
Add access to SSH services on the existing Web server.
Add access to a MySQL Server with IP address 10.57.215.32
Chapter 3. Network Security 119 Rule Destination IP Address or Range ALL 10.47.122.79 ALL Service 25 80 ALL Action Allow connection Allow connection Do not allow connection Note: ACLs are only applied to packets that attempt to open a connection. FIGURE 3-2 (ACL) for Attempts to Open a Connection 3 Access Control ListExplanation / Answer
Rule
Destination IP Address or Range
Service
Action
1
ALL
25
Do not allow connection.
2
10.75.151.23
25
Allow connection
3
10.47.122.79
80
Allow connection
4
10.47.122.79
22
Allow connection
5
10.57.215.32
3306
Allow connection
6
ALL
ALL
Do not allow connection.
Rule
Destination IP Address or Range
Service
Action
1
ALL
25
Do not allow connection.
2
10.75.151.23
25
Allow connection
3
10.47.122.79
80
Allow connection
4
10.47.122.79
22
Allow connection
5
10.57.215.32
3306
Allow connection
6
ALL
ALL
Do not allow connection.