Write a firewall rulebase that fulfills the following security requirements: a. Allow anyone to access a Web site on a server located at XXXXXXXXXXb. Allow internal users to access their mailboxes via...

Write a firewall rulebase that fulfills the following security requirements: a. Allow anyone to access a Web site on a server located at 129.71.12.8. b. Allow internal users to access their mailboxes via POP3 on the mail server located at 129.71.12.12. c. Allow internal users to send mail via SMTP on the mail server located at 129.71.12.12. d. Allow internal users to access any Web sites they wish except for that of a competitor located at 12.7.6.15. e. Allow anyone to send mail into the network via SMTP to the mail server located at 129.71.12.15.