Ann, a user, reports she is unable to access an application from her desktop. a security analyst verifies ann's access and checks the siem for any errors. the security analyst reviews the log file from ann's system and notices the following output: 2017--08-21 10: 48: 12 drop tcp 172.20. 89.232 239.255.255.255 443 1900 250 -receive 2017_-08-21 10: 48: 12 drop udp 192.168.72.205 239.255.255.255 443 1900 250 receive which of the following is most likely preventing ann from accessing the application from the desktop?
a. web application firewall
b. dlp
c. host-based firewall
d. utm
e. network-based firewall